



@article {3390,
	title = {Are coffee silverskin extracts safe for topical use? An in vitro and in vivo approach},
	journal = {Industrial Crops and Products},
	volume = {63},
	year = {2015},
	note = {Times Cited: 0},
	month = {2015},
	pages = {167-174},
	isbn = {0926-6690},
	url = {<Go to ISI>://WOS:000347499000025},
	author = {Rodrigues, F. and Pereira, C. and Pimentel, F. B. and Alves, R. C. and Ferreira, M. and Sarmento, B. and Helena Amaral, M. and Oliveira, M. Beatriz P. P.}
}
@article {3391,
	title = {Coffee silverskin: A possible valuable cosmetic ingredient},
	journal = {Pharmaceutical Biology},
	volume = {53},
	year = {2015},
	note = {Times Cited: 0},
	month = {2015},
	pages = {386-394},
	isbn = {1388-0209},
	url = {<Go to ISI>://WOS:000348831200011},
	author = {Rodrigues, Francisca and Palmeira-de-Oliveira, Ana and das Neves, Jose and Sarmento, Bruno and Helena Amaral, M. and Oliveira, M. Beatriz P. P.}
}
@article {3387,
	title = {Finite element analysis of pectus carinatum surgical correction via a minimally invasive approach},
	journal = {Computer Methods in Biomechanics and Biomedical Engineering},
	volume = {18},
	year = {2015},
	note = {Times Cited: 0Neves, Sara/A-5993-2015
Neves, Sara/0000-0001-6154-2821
},
	month = {2015},
	pages = {711-720},
	isbn = {1025-5842},
	url = {<Go to ISI>://WOS:000345141700003},
	author = {Neves, Sara C. and Pinho, A. C. M. and Fonseca, Jaime C. and Rodrigues, Nuno F. and Henriques-Coelho, Tiago and Correia-Pinto, Jorge and Vilaca, Joao L.}
}
@article {3389,
	title = {The role of the surface on microglia function: implications for central nervous system tissue engineering},
	journal = {Journal of the Royal Society, Interface / the Royal Society},
	volume = {12},
	year = {2015},
	month = {2015},
	url = {<Go to ISI>://MEDLINE:25540243},
	author = {Pires, Liliana R. and Rocha, Daniela N. and Ambrosio, Luigi and Pego, Ana Paula}
}
@article {3237,
	title = {Atomic force microscopy measurements reveal multiple bonds between Helicobacter pylori blood group antigen binding adhesin and Lewis b ligand},
	journal = {Journal of the Royal Society, Interface / the Royal Society},
	volume = {11},
	year = {2014},
	month = {2014},
	url = {<Go to ISI>://MEDLINE:25320070},
	author = {Parreira, P. and Shi, Q. and Magalhaes, A. and Reis, C.A. and Bugaytsova, J. and Boren, T. and Leckband, D. and Martins, M.C.L.}
}
@article {3415,
	title = {Bioactivity of surface tethered Osteogenic Growth Peptide motifs},
	journal = {Medchemcomm},
	volume = {5},
	year = {2014},
	note = {Times Cited: 0},
	month = {2014},
	pages = {899-903},
	isbn = {2040-2503},
	url = {<Go to ISI>://WOS:000338431500007},
	author = {Panseri, Silvia and Russo, Laura and Montesi, Monica and Taraballi, Francesca and Cunha, Carla and Marcacci, Maurilio and Cipolla, Laura}
}
@article {3246,
	title = {A biocomposite of collagen nanofibers and nanohydroxyapatite for bone regeneration},
	journal = {Biofabrication},
	volume = {6},
	year = {2014},
	month = {2014},
	url = {<Go to ISI>://WOS:000341823500015},
	author = {Ribeiro, Nilza and Sousa, Susana R. and van Blitterswijk, Clemens A. and Moroni, Lorenzo and Monteiro, Fernando J.}
}
@article {3284,
	title = {Building and repairing the heart: What can we learn from embryonic development?},
	journal = {BioMed Research International},
	volume = {2014},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	abstract = {Mammalian heart formation is a complex morphogenetic event that depends on the correct temporal and spatial contribution of distinct cell sources. During cardiac formation, cellular specification, differentiation, and rearrangement are tightly regulated by an intricate signaling network. Over the last years, many aspects of this network have been uncovered not only due to advances in cardiac development comprehension but also due to the use of embryonic stem cells (ESCs) in vitro model system. Additionally, several of these pathways have been shown to be functional or reactivated in the setting of cardiac disease. Knowledge withdrawn from studying heart development, ESCs differentiation, and cardiac pathophysiology may be helpful to envisage new strategies for improved cardiac repair/regeneration. In this review, we provide a comparative synopsis of the major signaling pathways required for cardiac lineage commitment in the embryo and murine ESCs. The involvement and possible reactivation of these pathways following heart injury and their role in tissue recovery will also be discussed. {\textcopyright} 2014 Ana G. Freire et al.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84900022530\&partnerID=40\&md5=892677562f6828017ad5a18fe9e97e83},
	author = {Freire, AG and Resende, TP and Pinto-Do-{\'O}, P.}
}
@article {3232,
	title = {Co-association of methotrexate and SPIONs into anti-CD64 antibody-conjugated PLGA nanoparticles for theranostic application},
	journal = {International Journal of Nanomedicine},
	volume = {9},
	year = {2014},
	month = {2014},
	pages = {4911-4922},
	url = {<Go to ISI>://WOS:000343406300001},
	author = {Moura, Catarina Costa and Segundo, Marcela A. and das Neves, Jose and Reis, Salette and Sarmento, Bruno}
}
@article {3278,
	title = {Dysregulation of T cell receptor N-glycosylation: A molecular mechanism involved in ulcerative colitis},
	journal = {Human Molecular Genetics},
	volume = {23},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {2416 - 2427},
	abstract = {The incidence of inflammatory bowel disease is increasing worldwide and the underlying molecular mechanisms are far from being fully elucidated. Herein, we evaluated the role of N-glycosylation dysregulation in T cells as a key mechanism in the ulcerative colitis (UC) pathogenesis. The evaluation of the branched N-glycosylation levelsandprofile of intestinalTcell receptor (TCR)wereassessedin colonic biopsies fromUCpatientsand healthy controls. Expression alterations of the glycosyltransferase gene MGAT5 were also evaluated. We demonstrated thatUCpatients exhibit a dysregulation ofTCRbranchedN-glycosylationonlamina propriaTlymphocytes. Patients with severe UC showed the most pronounced defect on N-glycan branching in T cells. Moreover, UC patients showed a significant reduction of MGAT5 gene transcription in T lymphocytes. In this study, we disclose for the first time that a deficiency in branched N-glycosylation on TCR due to a reduced MGAT5 gene expression is a new molecular mechanism underlying UC pathogenesis, being a potential novel biomarker with promising clinical and therapeutic applications. {\textcopyright} The Author 2013. Published by Oxford University Press. All rights reserved.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84897565140\&partnerID=40\&md5=4ee6b5b3f85e16eba322ceb8e0d69dd3},
	author = {Dias, A.M. and Dourado, J. and Lago, P. and Cabral, J. and Marcos-Pinto, R. and Salgueiro, P. and Almeida, C.R. and Carvalho, S. and Fonseca, S. and Lima, M. and Vilanova, M. and Dinis-Ribeiro, M. and Reis, C.A. and Pinho, S.S.}
}
@article {3294,
	title = {Eradication of Helicobacter pylori: Past, present and future},
	journal = {Journal of Controlled Release},
	volume = {189},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {169 - 186},
	abstract = {Helicobacter pylori is the major cause of chronic gastritis and peptic ulcers. Since the classification as a group 1 carcinogenic by International Agency for Research on Cancer, the importance of the complete H. pylori eradication has obtained a novel meaning. Hence, several studies have been made in order to deepen the knowledge in therapy strategies. However, the current therapy presents unsatisfactory eradication rates due to the lack of therapeutic compliance, antibiotic resistance, the degradation of antibiotics at gastric pH and their insufficient residence time in the stomach. Novel approaches have been made in order to overcome these limitations. The purpose of this review is to provide an overview about the current therapy and its limitations, while highlighting the possibility of using micro- and nanotechnology to develop gastric drug delivery systems, overcoming these difficulties in the future. {\textcopyright} 2014 Elsevier B.V.},
	keywords = {Drug delivery, Helicobacter pylori, Microparticles, nanoparticles, Treatment},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84904904149\&partnerID=40\&md5=96cfe2d7f96a7c7a16bb7eb733c2b71c},
	author = {Lopes, D. and Nunes, C. and Martins, M.C.L. and Sarmento, B. and Reis, S.}
}
@article {3395,
	title = {Fetal QRS detection and heart rate estimation: a wavelet-based approach},
	journal = {Physiological Measurement},
	volume = {35},
	year = {2014},
	month = {2014},
	pages = {1723-1735},
	url = {<Go to ISI>://WOS:000343765300014},
	author = {Almeida, Rute and Goncalves, Hernani and Bernardes, Joao and Rocha, Ana Paula}
}
@article {3249,
	title = {HA/TCP Scaffolds Obtained by Sucrose Crystal Leaching Method: Preliminary in vitro Evaluation},
	journal = {Materials Research-Ibero-American Journal of Materials},
	volume = {17},
	year = {2014},
	month = {2014},
	pages = {811-816},
	url = {<Go to ISI>://WOS:000342348700003},
	author = {Rodrigues, Leonardo Ribeiro and Laranjeira, Marta de Sousa and Fernandes, Maria Helena and Monteiro, Fernando Jorge and de Carvalho Zavaglia, Cecilia Amelia}
}
@article {3303,
	title = {Hippo pathway effectors control cardiac progenitor cell fate by acting as dynamic sensors of substrate mechanics and nanostructure},
	journal = {ACS Nano},
	volume = {8},
	year = {2014},
	note = {Cited By (since 1996):4Export Date: 21 November 2014},
	month = {2014},
	pages = {2033 - 2047},
	abstract = {Stem cell responsiveness to extracellular matrix (ECM) composition and mechanical cues has been the subject of a number of investigations so far, yet the molecular mechanisms underlying stem cell mechano-biology still need full clarification. Here we demonstrate that the paralog proteins YAP and TAZ exert a crucial role in adult cardiac progenitor cell mechano-sensing and fate decision. Cardiac progenitors respond to dynamic modifications in substrate rigidity and nanopattern by promptly changing YAP/TAZ intracellular localization. We identify a novel activity of YAP and TAZ in the regulation of tubulogenesis in 3D environments and highlight a role for YAP/TAZ in cardiac progenitor proliferation and differentiation. Furthermore, we show that YAP/TAZ expression is triggered in the heart cells located at the infarct border zone. Our results suggest a fundamental role for the YAP/TAZ axis in the response of resident progenitor cells to the modifications in microenvironment nanostructure and mechanics, thereby contributing to the maintenance of myocardial homeostasis in the adult heart. These proteins are indicated as potential targets to control cardiac progenitor cell fate by materials design. {\textcopyright} 2014 American Chemical Society.},
	keywords = {adult cardiac progenitor cell, cardiac differentiation, mechano- transduction, substrate nanotopography, YAP/TAZ},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84896911335\&partnerID=40\&md5=c15ea687a167227f6d91e71dcc812590},
	author = {Mosqueira, D. and Pagliari, S. and Uto, K and Ebara, M and Romanazzo, S. and Escobedo-Lucea, C and Nakanishi, J and Taniguchi, A and Franzese, O and Di Nardo, P. and Goumans, MJ and Traversa, E and Pinto-Do-{\'O}, P. and Aoyagi, T. and Forte, G.}
}
@article {3305,
	title = {Human umbilical cord tissue-derived mesenchymal stromal cells attenuate remodeling after myocardial infarction by proangiogenic, antiapoptotic, and endogenous cell-activation mechanisms},
	journal = {Stem Cell Research and Therapy},
	volume = {5},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	abstract = {Introduction. Among the plethora of cells under investigation to restore a functional myocardium, mesenchymal stromal cells (MSCs) have been granted considerable interest. However, whereas the beneficial effects of bone marrow MSCs (BM-MSCs) in the context of the diseased heart are widely reported, data are still scarce on MSCs from the umbilical cord matrix (UCM-MSCs). Herein we report on the effect of UCM-MSC transplantation to the infarcted murine heart, seconded by the dissection of the molecular mechanisms at play. Methods. Human umbilical cord tissue-derived MSCs (UCX{\textregistered}), obtained by using a proprietary technology developed by ECBio, were delivered via intramyocardial injection to C57BL/6 females subjected to permanent ligation of the left descending coronary artery. Moreover, medium produced by cultured UCX{\textregistered} preconditioned under normoxia (CM) or hypoxia (CMH) was collected for subsequent in vitro assays. Results: Evaluation of the effects upon intramyocardial transplantation shows that UCX{\textregistered} preserved cardiac function and attenuated cardiac remodeling subsequent to myocardial infarction (MI). UCX{\textregistered} further led to increased capillary density and decreased apoptosis in the injured tissue. In vitro, UCX{\textregistered}-conditioned medium displayed (a) proangiogenic activity by promoting the formation of capillary-like structures by human umbilical vein endothelial cells (HUVECs), and (b) antiapoptotic activity in HL-1 cardiomyocytes subjected to hypoxia. Moreover, in adult murine cardiac Sca- 1{\textsection}ssup{\textsection}+{\textsection}esup{\textsection} progenitor cells (CPCs), conditioned medium enhanced mitogenic activity while activating a gene program characteristic of cardiomyogenic differentiation. Conclusions: UCX{\textregistered} preserve cardiac function after intramyocardial transplantation in a MI murine model. The cardioprotective effects of UCX{\textregistered} were attributed to paracrine mechanisms that appear to enhance angiogenesis, limit the extent of the apoptosis, augment proliferation, and activate a pool of resident CPCs. Overall, these results suggest that UCX{\textregistered} should be considered an alternative cell source when designing new therapeutic approaches to treat MI. {\textcopyright} 2014 Nascimento et al.; licensee BioMed Central Ltd.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84896713037\&partnerID=40\&md5=22fdca81d834ec78c8196552c3d250ae},
	author = {Nascimento, D.S. and Mosqueira, D. and Sousa, L.M. and Teixeira, M. and Filipe, M. and Resende, TP and Ara{\'u}jo, A.F. and Valente, M. and Almeida, J. and Martins, J.P. and Santos, J.M. and B{\'a}rcia, R.N. and Cruz, P. and Cruz, H. and Pinto-Do-{\'O}, P.}
}
@article {3270,
	title = {Macrophages stimulate gastric and colorectal cancer invasion through EGFR Y 1086, c-Src, Erk1/2 and Akt phosphorylation and smallGTPase activity},
	journal = {Oncogene},
	volume = {33},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	pages = {2123 - 2133},
	abstract = {The interactions between cancer cells and their microenvironment are crucial for malignant progression, as they modulate invasion-related activities. Tumor-associated macrophages are generally considered allies in the process of tumor progression in several types of cancer, although their role on gastric and colorectal carcinomas is still poorly understood. In this report, we studied the influence of primary human macrophages on gastric and colorectal cancer cells, considering invasion, motility/migration, proteolysis and activated intracellular signaling pathways. We demonstrated that macrophages stimulate cancer cell invasion, motility and migration, and that these effects depend on matrix metalloproteinase (MMP) activity and on the activation of epidermal growth factor receptor (EGFR) (at the residue Y 1086), PLC-γ (phospholipase C-gamma) and Gab1 (GRB2-associated binding protein-1), as evidenced by siRNA (small interference RNA) experiments. Epidermal growth factor (EGF)-immunodepletion impaired macrophage-mediated cancer cell invasion and motility, suggesting that EGF is the pro-invasive and pro-motile factor produced by macrophages. Macrophages also induced gastric and colorectal cancer cell phosphorylation of Akt, c-Src and ERK1/2, and led to an increase of RhoA and Cdc42 activity. Interestingly, whereas macrophage-mediated cancer cell c-Src and ERK1/2 phosphorylation occurred downstream EGFR activation, Akt phosphorylation seems to be a parallel event, taking place in an EGFR-independent manner. The involvement of EGF, EGFR-downstream signaling partners and MMPs in macrophage-mediated invasion provides novel insights into the molecular crosstalk established between cancer cells and macrophages, opening new perspectives for the design of new and more efficient therapeutic strategies to counteract cancer cell invasion. {\textcopyright} 2014 Macmillan Publishers Limited.},
	keywords = {cancer cell invasion, colon cancer, Gastric cancer, invasion-related signaling pathways, Macrophages, tumor microenvironment},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84899425243\&partnerID=40\&md5=beff5192ff42940c75fef8b48ebd3ae7},
	author = {Cardoso, A.P. and Pinto, M.L. and Pinto, A.T. and Oliveira, M.I. and Pinto, M.T. and Gon{\c c}alves, R. and Relvas, J.B. and Figueiredo, C. and Seruca, R. and Mantovani, A. and Mareel, M. and Barbosa, M.A. and Oliveira, M.J.}
}
@article {3297,
	title = {Matrix-driven formation of mesenchymal stem cell-extracellular matrix microtissues on soft alginate hydrogels},
	journal = {Acta Biomaterialia},
	volume = {10},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	pages = {3197 - 3208},
	abstract = {Mesenchymal stem cells (MSCs) can be made to rearrange into microtissues in response to specific matrix cues, a process that depends on a balance between cell-matrix and cell-cell interactions. The effect of such cues, and especially their interplay, is still not fully understood, particularly in three-dimensional (3-D) systems. Here, the behaviour of human MSCs cultured within hydrogel matrices with tailored stiffness and composition was evaluated. MSC aggregation occurred only in more compliant matrices (G' <= 120 Pa), when compared to stiffer ones, both in the presence and in the absence of matrix-bound arginine-glycine-aspartic acid cell-adhesion ligands (RGD; 0, 100 and 200 μM). Fibronectin assembly stabilized cell-cell contacts within aggregates, even in non-adhesive matrices. However, MSCs were able to substantially contract the artificial matrix only when RGD was present. Moreover, compliant matrices facilitated cell proliferation and provided an environment conducive for MSC osteogenic differentiation, even without RGD. Cell interactions with the original matrix became less important as time progressed, while the de novo-produced extracellular matrix became a more critical determinant of cell fate. These data provide further insights into the mechanisms by which MSCs sense their microenvironment to organize into tissues, and provide new clues to the design of cell-instructive 3-D matrices. {\textcopyright} 2014 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.},
	keywords = {cell aggregation, Cell traction, Cell-matrix interactions, Hydrogels, Viscoelastic properties},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84901785690\&partnerID=40\&md5=3d3a11adce17a7f1be2a2bb5d4e51089},
	author = {Maia, F.R. and Fonseca, K.B. and Rodrigues, G. and Granja, P.L. and Barrias, C.C.}
}
@article {3321,
	title = {Natriuretic peptide system modulation in uninephrectomized rats},
	journal = {Experimental and Clinical Cardiology},
	volume = {20},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {2368 - 2387},
	abstract = {BACKGROUND: Cardiac activation of the natriuretic peptide (NP) system plays a major role in the renal adaptations to volume, expansion (VE). However, its role after uninephrectomy (Unx) remains to be elucidated. In the present study, we evaluated cardiac hemodynamics, plasma NP-Type B (BNP) levels nd NP receptor A (NPR-A) and C (NPR-C) expression in the renal cortex (RC) and medulla (RM) of Sham and Unx rats. METHODS: Male Wistar-Han rats (n=42) were randomly assigned to Unx or Sham surgery. Non-invasive blood pressure (BP), invasive left ventricular (LV) hemodynamics and natriuretic response to VE were performed and plasma was collected for BNP determination, 2, 10 and 26 weeks after surgery. In addition, samples from RC and RM were obtained for NPR-A and -C quantification (RT-PCR and western-blot). RESULTS: In Unx, blood pressure elevation and reduced natriuretic response to VE were observed. Although plasma BNP levels increased overtime, no LV dysfunction or myocardial BNP gene activation was observed in Unx. NPR-A mRNA in RC and RM were significantly increased in Unx at 26 weeks. This was accompanied by decreased NPR-C mRNA in the RM in Unx at 10 and 26 weeks, with no differences detected in the RC. CONCLUSIONS: In our experimentalmodel of Unx, progressive BP elevation and reduced natriuretic response to VE were accompanied by modulation of NPR-A and -C expression, in both the RC and RM, in the absence of cardiac activation of the NP system. Our results suggest a local renal modulation of the NP system after Unx. {\textcopyright} 2013 et al.; licensee Cardiology Academic Press.},
	keywords = {BNP, Hypertension, Natriuretic peptide receptor, Uninephrectomy},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84905968553\&partnerID=40\&md5=54369af569474ee0bfddfa5aeac3237a},
	author = {Santos-Ara{\'u}jo, C. and Roncon-Albuquerque Jr., R. and Moreira-Rodrigues, M. and Henriques-Coelho, T. and Quelhas-Santos, J. and Faria, B. and Sampaio-Maia, B. and Leite-Moreira, A.F. and Pestana, M.}
}
@article {3418,
	title = {A PEX7-Centered Perspective on the Peroxisomal Targeting Signal Type 2-Mediated Protein Import Pathway},
	journal = {Molecular and Cellular Biology},
	volume = {34},
	year = {2014},
	note = {Times Cited: 1Brites, Pedro/K-4231-2013; Azevedo, Jorge/A-4113-2008; Francisco, Tania/K-5545-2013; Rodrigues, Tony/K-1141-2014
Brites, Pedro/0000-0003-1754-1543; Azevedo, Jorge/0000-0001-7714-5302; Francisco, Tania/0000-0003-3571-5164; Rodrigues, Tony/0000-0003-2311-8258
},
	month = {2014},
	pages = {2917-2928},
	isbn = {0270-7306},
	url = {<Go to ISI>://WOS:000338874700012},
	author = {Rodrigues, Tony A. and Alencastre, Ines S. and Francisco, Tania and Brites, Pedro and Fransen, Marc and Grou, Claudia P. and Azevedo, Jorge E.}
}
@article {3316,
	title = {Poly(trimethylene carbonate-co-ε-caprolactone) promotes axonal growth},
	journal = {PLoS ONE},
	volume = {9},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	abstract = {Mammalian central nervous system (CNS) neurons do not regenerate after injury due to the inhibitory environment formed by the glial scar, largely constituted by myelin debris. The use of biomaterials to bridge the lesion area and the creation of an environment favoring axonal regeneration is an appealing approach, currently under investigation. This work aimed at assessing the suitability of three candidate polymers - poly(ε-caprolactone), poly(trimethylene carbonate-co-ε-caprolactone) (P(TMC-CL)) (11:89 mol\%) and poly(trimethylene carbonate) - with the final goal of using these materials in the development of conduits to promote spinal cord regeneration. Poly(L-lysine) (PLL) coated polymeric films were tested for neuronal cell adhesion and neurite outgrowth. At similar PLL film area coverage conditions, neuronal polarization and axonal elongation was significantly higher on P(TMC-CL) films. Furthermore, cortical neurons cultured on P(TMC-CL) were able to extend neurites even when seeded onto myelin. This effect was found to be mediated by the glycogen synthase kinase 3β (GSK3β) signaling pathway with impact on the collapsin response mediator protein 4 (CRMP4), suggesting that besides surface topography, nanomechanical properties were implicated in this process. The obtained results indicate P(TMC-CL) as a promising material for CNS regenerative applications as it promotes axonal growth, overcoming myelin inhibition. {\textcopyright} 2014 Rocha et al.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84896121626\&partnerID=40\&md5=8f29642bf67ec86cf774379d7d92e7b0},
	author = {Rocha, D.N. and Brites, P. and Fonseca, C. and P{\^e}go, A.P.}
}
@article {3408,
	title = {Prolonged saltatory fetal heart rate pattern leading to newborn metabolic acidosis},
	journal = {Clinical and Experimental Obstetrics \& Gynecology},
	volume = {41},
	year = {2014},
	month = {2014},
	pages = {507-511},
	url = {<Go to ISI>://WOS:000343961800003},
	author = {Nunes, I. and Ayres-de-Campos, D. and Kwee, A. and Rosen, K. G.}
}
@article {3127,
	title = {Quality by Design: Discussing and Assessing the Solid Dispersions Risk},
	journal = {Current Drug Delivery},
	volume = {11},
	year = {2014},
	note = {Times Cited: 0},
	month = {2014},
	pages = {253-269},
	isbn = {1567-2018; 1875-5704},
	url = {<Go to ISI>://WOS:000336085800010},
	author = {Chaves, Luise L. and Vieira, Alexandre C. C. and Reis, Salette and Sarmento, Bruno and Ferreira, Domingos C.}
}
@article {3315,
	title = {Role of sparc in bone remodeling and cancer-related bone metastasis},
	journal = {Journal of Cellular Biochemistry},
	volume = {115},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {17 - 26},
	abstract = {There is a growing socioeconomic recognition that clinical bone diseases such as bone infections, bone tumors and osteoporotic bone loss mainly associated with ageing, are major issues in today{\textquoteright}s society. SPARC (secreted protein, acidic and rich in cysteine), a matricellular glycoprotein, may be a promising therapeutic target for preventing or treating bone-related diseases. In fact, SPARC is associated with tissue remodeling, repair, development, cell turnover, bone mineralization and may also participate in growth and progression of tumors, namely cancer-related bone metastasis. Yet, the function of SPARC in such biological processes is poorly understood and controversial. The main objective of this work is to review the current knowledge related to the activity of SPARC in bone remodeling, tumorigenesis, and bone metastasis. Progress in understanding SPARC biology may provide novel strategies for bone regeneration and the development of anti-angiogenic, anti-proliferative, or counter-adhesive treatments specifically against bone metastasis. {\textcopyright} 2013 Wiley Periodicals, Inc. {\textcopyright} 2013 Wiley Periodicals, Inc.},
	keywords = {BONE METASTASIS, bone remodeling, SPARC, TUMORIGENESIS},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84887856025\&partnerID=40\&md5=bcb4dc43db0bb9be75051f4493c74d3d},
	author = {Ribeiro, N. and Sousa, S.R. and Brekken, R.A. and Monteiro, F.J.}
}
@article {3306,
	title = {Sensory neurons and osteoblasts: Close partners in a microfluidic platform},
	journal = {Integrative Biology (United Kingdom)},
	volume = {6},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	pages = {586 - 595},
	abstract = {Innervation has proven to be critical in bone homeostasis/regeneration due to the effect of soluble factors, produced by nerve fibers, associated with changes in the activity of bone cells. Thus, in this study, we have established and characterized a coculture system comprising sensory neurons and osteoblasts to mimic the in vivo scenario where nerve fibers can be found in a bone microenvironment. Embryonic or adult primary dorsal root ganglion (DRG) and MC3T3-E1 osteoblastic cells were cocultured in compartmentalized microfluidic platforms and morphological and functional tests were performed. The time of adhesion and readout of axonal outgrowth were improved by the alignment of DRG with the axis of microgrooves, which showed to be a crucial step for the designed experiments. Cocultures of entire DRG from adult origin with osteoblasts were performed, showing extended DRG projections towards the axonal compartment, reaching osteoblastic cells. Immunocytochemistry showed that the neurites present within the osteoblastic compartment were immunoreactive to synapsin and calcitonin gene-related peptide suggesting the presence of specialized structures involved in this crosstalk. This evidence was further confirmed by electron microscopy where varicosities were detected as well as electron dense structures in neurite membranes. Aiming to mimic the properties of tissue extracellular matrices, MC3T3-E1 cells were seeded in the axonal side upon laminin, collagen or within 3D functionalized alginate matrices and axonal outgrowth was clearly observed. In order to analyze and quantify data with reproducible image analysis, a semi-automated algorithm was also developed. The collagen and laminin substrates displayed a higher amount of axons reaching the axonal side. Overall, the established method revealed to be a suitable tool to study the interaction between the peripheral nervous system and bone cells in different contexts mimicking the in vivo scenario. {\textcopyright} 2014 the Partner Organisations 2014.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84901624359\&partnerID=40\&md5=0ca57755478aaa339ef3b3cc61479fc3},
	author = {Neto, E. and Alves, C.J. and Sousa, D.M. and Alencastre, I.S. and Louren{\c c}o, A.H. and Leit{\~a}o, L. and Ryu, H.R. and Jeon, N.L. and Fernandes, R. and Aguiar, P. and Almeida, R.D. and Lamghari, M.}
}
@article {3398,
	title = {Splice-correcting oligonucleotides restore BTK function in X-linked agammaglobulinemia model},
	journal = {Journal of Clinical Investigation},
	volume = {124},
	year = {2014},
	note = {Bestas, Burcu Moreno, Pedro M. D. Blomberg, K. Emelie M. Mohammad, Dara K. Saleh, Amer F. Sutlu, Tolga Nordin, Joel Z. Guterstam, Peter Gustafsson, Manuela O. Kharazi, Shabnam Piatosa, Barbara Roberts, Thomas C. Behlke, Mark A. Wood, Matthew J. A. Gait, Michael J. Lundin, Karin E. El Andaloussi, Samir Mansson, Robert Berglof, Anna Wengel, Jesper Smith, C. I. Edvard},
	month = {2014},
	pages = {4067-4081},
	isbn = {0021-9738},
	url = {<Go to ISI>://WOS:000341168100038},
	author = {Bestas, B. and Moreno, P.M.D. and Blomberg, K. E. M. and Mohammad, D. K. and Saleh, A. F. and Sutlu, T. and Nordin, J. Z. and Guterstam, P. and Gustafsson, M. O. and Kharazi, S. and Piatosa, B. and Roberts, T. C. and Behlke, M. A. and Wood, M. J. A. and Gait, M. J. and Lundin, K.E. and El Andaloussi, S. and Mansson, R. and Berglof, A. and Wengel, J. and Smith, C.I.E.}
}
@article {3281,
	title = {Stability study perspective of the effect of freeze-drying using cryoprotectants on the structure of insulin loaded into PLGA nanoparticles},
	journal = {Biomacromolecules},
	volume = {15},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {3753 - 3765},
	abstract = {This work aimed to evaluate the influence of a freeze-drying process using different cryoprotectants on the structure of insulin loaded into poly(lactic-co-glycolic acid) (PLGA) nanoparticles and to assess the stability of these nanoparticles upon 6 months of storage following ICH guidelines. Insulin-loaded PLGA nanoparticles with a size around 450 nm were dehydrated using a standard freeze-drying cycle, using trehalose, glucose, sucrose, fructose, and sorbitol at 10\% (w/v) as cryoprotectants. All formulations, except those nonadded of cryoprotectant and added with trehalose, collapsed after freeze-drying. The addition of cryoprotectants increased the nanoparticles stability upon storage. FTIR results showed that insulin maintained its structure after encapsulation in about 88\%, decreasing to 71\% after freeze-drying. The addition of cryoprotectants prior to freeze-drying increased insulin structural stability an average of up to 79\%. Formulations collapsed after freeze-drying showed better protein stabilization upon storage, in special sorbitol added formulation, preserving 76, 80, and 78\% of insulin structure at 4 {\textdegree}C, 25 {\textdegree}C/60\% RH, and 40 {\textdegree}C/75\% RH, respectively. Principal component analysis also showed that the sorbitol-added formulation showed the most similar insulin structural modifications among the tested storage conditions. These findings suggested that regarding nanoparticles stability, cryoprotectants are versatile to be used in a standard freeze-drying, however they present different performances on the stabilization of the loaded protein. Thus, on the freeze-drying of the nanoparticles field, this work gives rise to the importance of the process of optimization, searching for a balance between a good obtainable cake with an optimal structural stabilization of the loaded protein.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84907968489\&partnerID=40\&md5=15b0a74cf97f04ed887f86b7ad1c45a2},
	author = {Fonte, P. and Soares, S. and Sousa, F. and Costa, A. and Seabra, V. and Reis, S. and Sarmento, B.}
}
@article {3283,
	title = {Stable phenotype and function of immortalized Lin-Sca-1 + cardiac progenitor cells in long-term culture: A step closer to standardization},
	journal = {Stem Cells and Development},
	volume = {23},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	pages = {1012 - 1026},
	abstract = {Putative cardiac progenitor cells (CPCs) have been identified in the myocardium and are regarded as promising candidates for cardiac cell-based therapies. Although two distinct populations of CPCs reached the clinical setting, more detailed studies are required to portray the optimal cell type and therapeutic setting to drive robust cell engraftment and cardiomyogenesis after injury. Owing to the scarcity of the CPCs and the need for reproducibility, the generation of faithful cellular models would facilitate this scrutiny. Here, we evaluate whether immortalized Lin-Sca-1+ CPCs (iCPC Sca-1) represent their native-cell counterpart, thereby constituting a robust in vitro model system for standardized investigation in the cardiac field. iCPCSca-1 were established in vitro as plastic adherent cells endowed with robust self-renewal capacity while preserving a stable phenotype in long-term culture. iCPCSca-1 differentiated into cardiomyocytic-, endothelial-, and smooth muscle-like cells when subjected to appropriate stimuli. The cell line consistently displayed features of Lin -Sca-1+ CPCs in vitro, as well as in vivo after intramyocardial delivery in the onset of myocardial infarction (MI). Transplanted iCPCSca-1 significantly attenuated the functional and anatomical alterations caused by MI while promoting neovascularization. iCPCSca-1 are further shown to engraft, establish functional connections, and differentiate in loco into cardiomyocyte- and vasculature-like cells. These data validate iCPCSca-1 as an in vitro model system for Lin-Sca-1+ progenitors and for systematic dissection of mechanisms underlying CPC subsets engraftment/differentiation in vivo. Moreover, iCPCSca-1 can be regarded as a ready-to-use CPCs source for pre-clinical bioengineering studies toward the development of novel strategies for restoration of the damaged myocardium. {\textcopyright} Copyright 2014, Mary Ann Liebert, Inc. 2014.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84896901797\&partnerID=40\&md5=35b7014573b8734d5c21f2089cdc038d},
	author = {Freire, AG and Nascimento, D.S. and Forte, G. and Valente, M. and Resende, TP and Pagliari, S. and Abreu, C and Carvalho, I and Nardo, P.D. and Pinto-Do-{\'O}, P.}
}
@article {3317,
	title = {Study of the isoflavone content of different extracts of Medicago spp. as potential active ingredient},
	journal = {Industrial Crops and Products},
	volume = {57},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {110 - 115},
	abstract = {This study focuses on the isoflavones composition of different extracts of Medicago species (M. minima, M. tornata, M. truncatula, M. rigidula, M. scutelata, M. segitalis and M. sativa), a leguminous crop used as animal feeding. There are some research studies on the isoflavones composition of Medicago sativa, but no comprehensive profile of isoflavones has been reported for these other six species. In this work, two glycosides (daidzin and genistin) and six aglycones (daidzein, glycitein, genistein, formononetin, prunetin and biochanin A) were determined by high performance liquid chromatography (HPLC/DAD) in three different extracts of these species: aqueous, hydroalcoholic and alcoholic. In all samples genistin, daidzein and genistein were the most abundant isoflavone compounds. The highest concentration of genistin was observed in the extracts of M. scutelata (5.2 and 9.6. mg/kg. db, respectively, for hydroalcoholic and alcoholic extract), in amounts 2-4.5-fold higher than the other samples evaluated. Daidzein is also present in high amounts in M. scutelata (19.2. mg/kg. db, alcoholic extract). Genistein is detected in several species at concentrations ranging from 0.7 (aqueous extract of M. tornata) to 16.1. mg/kg. db (alcoholic extract of M. scutelata). In terms of total isoflavones content per species, results showed significant differences between M. rigidula and M. sativa, considering all type of solvents, being the highest and the lowest one, respectively. In a general way, the extractability of compounds significantly increased from aqueous to alcoholic extracts. The study demonstrates that some Medicago species possess an excellent potential as a source of these health promoting bioactive compounds. {\textcopyright} 2014 Elsevier B.V.},
	keywords = {By-product, Daidzein, Genistein, Genistin, Isoflavones, Medicago},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84898621595\&partnerID=40\&md5=a2c78b9a016fd634ffb0ef4dbedcde5f},
	author = {Rodrigues, F. and Almeida, I. and Sarmento, B. and Amaral, M.H. and Oliveira, M.B.P.P.}
}
@article {3314,
	title = {Timing embryo segmentation: Dynamics and regulatory mechanisms of the vertebrate segmentation clock},
	journal = {BioMed Research International},
	volume = {2014},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	abstract = {All vertebrate species present a segmented body, easily observed in the vertebrate column and its associated components, which provides a high degree of motility to the adult body and efficient protection of the internal organs. The sequential formation of the segmented precursors of the vertebral column during embryonic development, the somites, is governed by an oscillating genetic network, the somitogenesis molecular clock. Herein, we provide an overview of the molecular clock operating during somite formation and its underlying molecular regulatory mechanisms. Human congenital vertebral malformations have been associated with perturbations in these oscillatory mechanisms. Thus, a better comprehension of the molecular mechanisms regulating somite formation is required in order to fully understand the origin of human skeletal malformations. {\textcopyright} 2014 Tatiana P. Resende et al.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84901789504\&partnerID=40\&md5=48f7f79bd522d9e2cdd9568df8453874},
	author = {Resende, TP and Andrade, R.P. and Palmeirim, I.}
}
@article {3417,
	title = {Tools for address georeferencing - limitations and opportunities every public health professional should be aware of},
	journal = {PloS one},
	volume = {9},
	year = {2014},
	month = {2014},
	pages = {e114130-e114130},
	url = {<Go to ISI>://MEDLINE:25469514},
	author = {Ribeiro, Ana Isabel and Olhero, Andreia and Teixeira, Hugo and Magalhaes, Alexandre and Pina, Maria Fatima}
}
@article {2759,
	title = {Adsorbed fibrinogen leads to improved bone regeneration and correlates with differences in the systemic immune response},
	journal = {Acta Biomaterialia},
	volume = {9},
	year = {2013},
	note = {Export Date: 23 May 2013Source: ScopusArticle in Press},
	month = {07/2013},
	pages = {7209-7217},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84876834487\&partnerID=40\&md5=2d00f0bc55f461c9c979548276f0e53d},
	author = {Santos, S.G. and Lamghari, M. and Almeida, C.R. and Oliveira, M.I. and Neves, N. and Ribeiro, A.C. and Barbosa, J.N. and Barros, R. and Maciel, J. and Martins, M.C.L. and Gon{\c c}alves, R.M. and Barbosa, M.A.}
}
@article {2849,
	title = {Adult stem cells and biocompatible scaffolds as smart drug delivery tools for cardiac tissue repair},
	journal = {Current Medicinal Chemistry},
	volume = {20},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {3429 - 3447},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84883267656\&partnerID=40\&md5=b03789229cfac322e56bb69b4fc644ea},
	author = {Pagliari, S. and Romanazzo, S. and Mosqueira, D. and Pinto-Do-{\'O}, P. and Aoyagi, T. and Forte, G.}
}
@booklet {2829,
	title = {Bacterial-binding chitosan microspheres for gastric infection treatment and prevention},
	howpublished = {Acta Biomaterialia},
	volume = {9},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {9370 - 9378},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84887160912\&partnerID=40\&md5=dd414f3b1e57bee7c37bc37a44983d27},
	author = {Gon{\c c}alves, I.C. and Magalh{\~a}es, A. and Fernandes, M. and Rodrigues, I.V. and Reis, C.A. and Martins, M.C.L.}
}
@article {2835,
	title = {Bioengineered surfaces promote specific protein-glycan mediated binding of the gastric pathogen Helicobacter pylori},
	journal = {Acta Biomaterialia},
	volume = {9},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {8885 - 8893},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84885052038\&partnerID=40\&md5=0d17eb0f95d76eb18ea20ef7f33c8192},
	author = {Parreira, P. and Magalh{\~a}es, A. and Reis, C.A. and Bor{\'e}n, T. and Leckband, D. and Martins, M.C.L.}
}
@article {2836,
	title = {Brain targeting effect of camptothecin-loaded solid lipid nanoparticles in rat after intravenous administration},
	journal = {European Journal of Pharmaceutics and Biopharmaceutics},
	volume = {85},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {488 - 502},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84888387689\&partnerID=40\&md5=e40e0a0c4221bfbc77f793ace6e47dcd},
	author = {Martins, S.M. and Sarmento, B. and Nunes, C. and L{\'u}cio, M. and Reis, S. and Ferreira, D.C.}
}
@article {2888,
	title = {Characterization of human NLZ1/ZNF703 identifies conserved domains essential for proper subcellular localization and transcriptional repression},
	journal = {Journal of Cellular Biochemistry},
	volume = {114},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {120 - 133},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84869412286\&partnerID=40\&md5=e48a26e94d7ce0eddb65d8067fdc056c},
	author = {Pereira-Castro, I. and Costa, {\^A}.M.S. and Oliveira, M.J. and Barbosa, I. and Rocha, A.S. and Azevedo, L. and Da Costa, L.T.}
}
@article {2833,
	title = {Co-expression network analysis and genetic algorithms for gene prioritization in preeclampsia},
	journal = {BMC Medical Genomics},
	volume = {6},
	year = {2013},
	note = {Export Date: 12 December 2013Source: ScopusArt. No.: 51},
	month = {2013///},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84887314151\&partnerID=40\&md5=3daae7034430deb7d1e057fa432b236d},
	author = {Tejera, E. and Bernardes, J. and Rebelo, I.}
}
@article {2868,
	title = {Comparison of different methods of heart rate entropy analysis during acute anoxia superimposed on a chronic rat model of pulmonary hypertension},
	journal = {Medical Engineering and Physics},
	volume = {35},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {559 - 568},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84877632838\&partnerID=40\&md5=05c9ef6d6fea4a96d6a63f1749251066},
	author = {Gon{\c c}alves, H. and Henriques-Coelho, T. and Rocha, A.P. and Louren{\c c}o, A.P. and Leite-Moreira, A. and Bernardes, J.}
}
@article {2860,
	title = {Comparison of real beat-to-beat signals with commercially available 4 Hz sampling on the evaluation of foetal heart rate variability},
	journal = {Medical and Biological Engineering and Computing},
	volume = {51},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {665 - 676},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84877784836\&partnerID=40\&md5=cfdde94007fba73e03e51da6af74b995},
	author = {Gon{\c c}alves, H. and Costa, A. and Ayres-de-Campos, D. and Costa-Santos, C. and Rocha, A.P. and Bernardes, J.}
}
@article {2884,
	title = {Could moderate earthquakes also trigger cardiac events?},
	journal = {European Journal of Epidemiology},
	volume = {28},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {199 - 202},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84879501488\&partnerID=40\&md5=8ce97eb2baa2cb47b981c25b5f8fb023},
	author = {Ribeiro, A.I. and De F{\'a}tima De Pina, M.}
}
@article {2878,
	title = {Development of bis-locked nucleic acid (bisLNA) oligonucleotides for efficient invasion of supercoiled duplex DNA},
	journal = {Nucleic Acids Research},
	volume = {41},
	year = {2013},
	note = {Cited By (since 1996):2Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {3257 - 3273},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84876401355\&partnerID=40\&md5=96078ee73fe175f8f962db91c20a8724},
	author = {Moreno, P.M.D. and Geny, S. and Pabon, Y.V. and Bergquist, H. and Zaghloul, E.M. and Rocha, C.S.J. and Oprea, I.I. and Bestas, B. and Andaloussi, S.E. and J{\o}rgensen, P.T. and Pedersen, E.B. and Lundin, K.E. and Zain, R. and Wengel, J. and Smith, C.I.E.}
}
@article {2834,
	title = {Development of PLGA-mannosamine nanoparticles as oral protein carriers},
	journal = {Biomacromolecules},
	volume = {14},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {4046 - 4052},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84887602933\&partnerID=40\&md5=ee1468ca288d3ca59120be3637a51b41},
	author = {Alonso-Sande, M. and Des Rieux, A. and Fievez, V. and Sarmento, B. and Delgado, A. and Evora, C. and Remu{\~n}{\'a}n-L{\'o}pez, C. and Pr{\'e}at, V. and Alonso, M.J.}
}
@article {2879,
	title = {E-cadherin and adherens-junctions stability in gastric carcinoma: Functional implications of glycosyltransferases involving N-glycan branching biosynthesis, N-acetylglucosaminyltransferases III and v},
	journal = {Biochimica et Biophysica Acta - General Subjects},
	volume = {1830},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {2690 - 2700},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84873589547\&partnerID=40\&md5=ea238ee2045a2bbfb910b24526aac863},
	author = {Pinho, S.S. and Figueiredo, J. and Cabral, J. and Carvalho, S. and Dourado, J. and Magalh{\~a}es, A. and G{\"a}rtner, F. and Mendon{\c c}a, A.M. and Isaji, T. and Gu, J. and Carneiro, F. and Seruca, R. and Taniguchi, N. and Reis, C.A.}
}
@article {2845,
	title = {Effect of freeze-drying, cryoprotectants and storage conditions on the stability of secondary structure of insulin-loaded solid lipid nanoparticles},
	journal = {International Journal of Pharmaceutics},
	volume = {456},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {370 - 381},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84886730036\&partnerID=40\&md5=2214d57803df6679f944d2ebba4fa477},
	author = {Soares, S. and Fonte, P. and Costa, A. and Andrade, J. and Seabra, V. and Ferreira, D. and Reis, S. and Sarmento, B.}
}
@article {2859,
	title = {Expression of ST3GAL4 Leads to SLex Expression and Induces c-Met Activation and an Invasive Phenotype in Gastric Carcinoma Cells},
	journal = {PLoS ONE},
	volume = {8},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: ScopusArt. No.: e66737},
	month = {2013///},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84879165131\&partnerID=40\&md5=58617c0600b708de7a68556b87336112},
	author = {Gomes, C. and Os{\'o}rio, H. and Pinto, M.T. and Campos, D. and Oliveira, M.J. and Reis, C.A.}
}
@article {2889,
	title = {Loss of WNK2 expression by promoter gene methylation occurs in adult gliomas and triggers Rac1-mediated tumour cell invasiveness},
	journal = {Human Molecular Genetics},
	volume = {22},
	year = {2013},
	note = {Cited By (since 1996):2Export Date: 12 December 2013Source: ScopusArt. No.: dds405},
	month = {2013///},
	pages = {84 - 95},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84871200220\&partnerID=40\&md5=b2bfd70fb2a8a4e517e4ad698a2461cc},
	author = {Moniz, S. and Martinho, O. and Pinto, F. and Sousa, B. and Loureiro, C. and Oliveira, M.J. and Moita, L.F. and Honavar, M. and Pinheiro, C. and Pires, M. and Lopes, J.M. and Jones, C. and Costello, J.F. and Paredes, J. and Reis, R.M. and Jordan, P.}
}
@booklet {2867,
	title = {Macrophages stimulate gastric and colorectal cancer invasion through EGFR Y1086, c-Src, Erk1/2 and Akt phosphorylation and smallGTPase activity},
	howpublished = {Oncogene},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: ScopusArticle in Press},
	month = {2013///},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84876908646\&partnerID=40\&md5=bcc2929bb93817db3dc0e3421c420722},
	author = {Cardoso, A.P. and Pinto, M.L. and Pinto, A.T. and Oliveira, M.I. and Pinto, M.T. and Gon{\c c}alves, R. and Relvas, J.B. and Figueiredo, C. and Seruca, R. and Mantovani, A. and Mareel, M. and Barbosa, M.A. and Oliveira, M.J.}
}
@article {2853,
	title = {Medicago spp. extracts as promising ingredients for skin care products},
	journal = {Industrial Crops and Products},
	volume = {49},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {634 - 644},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84880378375\&partnerID=40\&md5=1b60aaf1efb444f653b44800529f5ae3},
	author = {Rodrigues, F. and Palmeira-de-Oliveira, A. and Das Neves, J. and Sarmento, B. and Amaral, M.H. and Oliveira, M.B.}
}
@article {2851,
	title = {Nanotechnology and pulmonary delivery to overcome resistance in infectious diseases},
	journal = {Advanced Drug Delivery Reviews},
	volume = {65},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {1816 - 1827},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84888198111\&partnerID=40\&md5=52e53a72fbb5f199ac2416a061eeb409},
	author = {Andrade, F. and Rafael, D. and Videira, M. and Ferreira, D. and Sosnik, A. and Sarmento, B.}
}
@article {2886,
	title = {Novel resveratrol nanodelivery systems based on lipid nanoparticles to enhance its oral bioavailability},
	journal = {International Journal of Nanomedicine},
	volume = {8},
	year = {2013},
	note = {Cited By (since 1996):3Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {177 - 187},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84872351206\&partnerID=40\&md5=fc5d64a3ada5d6918b225c107d60049e},
	author = {Neves, A.R. and L{\'u}cio, M. and Martins, S. and Lima, J.L.C. and Reis, S.}
}
@article {2874,
	title = {Osteoporotic hip fractures: Bisphosphonates sales and observed turning point in trend. A population-based retrospective study},
	journal = {Bone},
	volume = {53},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {430 - 436},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84873288549\&partnerID=40\&md5=da493b87546091513eb8b54c3748cda6},
	author = {Alves, S.M. and Economou, T. and Oliveira, C. and Ribeiro, A.I. and Neves, N. and Gom{\'e}z-Barrena, E. and Pina, M.F.}
}
@article {2865,
	title = {Overexpression of tumour-associated carbohydrate antigen sialyl-Tn in advanced bladder tumours},
	journal = {Molecular Oncology},
	volume = {7},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {719 - 731},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84878107131\&partnerID=40\&md5=52c1f1e8bc83224d947840df0f3dd539},
	author = {Ferreira, J.A. and Videira, P.A. and Lima, L. and Pereira, S. and Silva, M. and Carrascal, M. and Severino, P.F. and Fernandes, E. and Almeida, A. and Costa, C. and Vitorino, R. and Amaro, T. and Oliveira, M.J. and Reis, C.A. and Dall{\textquoteright}Olio, F. and Amado, F. and Santos, L.L.}
}
@article {2840,
	title = {Physical activity-friendly neighbourhood among older adults from a medium size urban setting in Southern Europe},
	journal = {Preventive Medicine},
	volume = {57},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {664 - 670},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84885858460\&partnerID=40\&md5=758283ae99e1a87106c231876949b707},
	author = {Ribeiro, A.I. and Mitchell, R. and Carvalho, M.S. and De Pina, M.D.F.}
}
@article {2875,
	title = {Preparation and characterization of collagen-nanohydroxyapatite biocomposite scaffolds by cryogelation method for bone tissue engineering applications},
	journal = {Journal of Biomedical Materials Research - Part A},
	volume = {101 A},
	year = {2013},
	note = {Cited By (since 1996):1Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {1080 - 1094},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84876183449\&partnerID=40\&md5=2f1dd0c83479a986914ef33f66141939},
	author = {Rodrigues, S.C. and Salgado, C.L. and Sahu, A. and Garcia, M.P. and Fernandes, M.H. and Monteiro, F.J.}
}
@article {2844,
	title = {Protective effects of Lavandula viridis L{\textquoteright}H{\'e}r extracts and rosmarinic acid against H2O2-induced oxidative damage in A172 human astrocyte cell line},
	journal = {Industrial Crops and Products},
	volume = {50},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {361 - 365},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84883032293\&partnerID=40\&md5=cd7f6ece6d2d39d998d9b9a7fa0f5d97},
	author = {Costa, P. and Sarmento, B. and Gon{\c c}alves, S. and Romano, A.}
}
@article {2832,
	title = {The smart connective tissue of echinoderms: A materializing promise for biotech applications},
	journal = {Cahiers de Biologie Marine},
	volume = {54},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {713 - 720},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84888251812\&partnerID=40\&md5=da72fa98c41a55cd98f71fdaec4b8424},
	author = {Barbaglio, A. and Tricarico, S. and Di Benedetto, C. and Fassini, D. and Lima, A.P. and Ribeiro, A.R. and Ribeiro, C.C. and Sugni, M. and Bonasoro, F. and Wilkie, L. and Barbosa, M. and Candia Carnevali, M.D.}
}
@article {2900,
	title = {Stable phenotype and function of immortalized Lin-Sca-1+ cardiac progenitor cells in long-term culture: a step closer to standardization.},
	journal = {Stem Cells Dev},
	volume = {Epub ahead of print},
	year = {2013},
	month = {12-2013},
	isbn = {PMID: 24367889 },
	url = {http://www.ncbi.nlm.nih.gov/pubmed/24367889},
	author = {Freire, AG and Nascimento, D.S. and Forte, G. and Valente, M. and Resende, TP and Pagliari, S. and Abreu, C and Carvalho, I and Di Nardo, P. and Pinto-Do-{\'O}, P.}
}
@book {2201,
	title = {Automatic assessment of Leishmania infection indexes on in vitro macrophage cell cultures},
	series = {Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)Lect. Notes Comput. Sci.},
	volume = {7325 LNCS},
	year = {2012},
	note = {Conference code: 91199Export Date: 21 November 2012Source: Scopusdoi: 10.1007/978-3-642-31298-4_51Language of Original Document: EnglishCorrespondence Address: Leal, P.; Universidade Do Porto, Faculdade de Engenharia, Departamento de Engenharia Qu{\'\i}micaPortugalReferences: Castro, H., Sousa, C., Santos, M., Cordeiro-da-Silva, A., Floh{\'e}, L., Tom{\'a}s, A., Complementary antioxidant defence by cytoplasmic and mitochondrial peroxiredoxins in Leishmania infantum (2002) Free Radical Biology and Medicine, 33, pp. 1552-1562;Chen, X., Zhou, X., Wong, S., Automated segmentation, classification, and tracking of cancer cell nuclei in time-lapse microscopy IEEE Trans. on Biomedical Engineering, 53 (4), pp. 762-766; 
Marcuzzo, M., Quelhas, P., Campilho, A., Maria Mendon{\c c}a, A., Campilho, A., Automated arabidopsis plant root cell segmentation based on svm classification and region merging (2009) Computers in Biology and Medicine, 39 (9); 
Chen, Y., Ladi, E., Herzmark, P., Robey, E., Roysam, B., Automated 5-d analysis of cell migration and interaction in the thymic cortex from time-lapse sequences of 3-d multi-channel multi-photon images (2009) J. Immunol. Methods, 340 (1), pp. 65-80; 
Esteves, T., Quelhas, P., Mendon{\c c}a, A.M., Campilho, A., Gradient convergence filters and a phase congruency approach for in vivo cell nuclei detection Machine Vision and Applications, , in press; 
Schmitt, O., Hasse, M., Morphologic multiscale decomposition of connected regions with emphasis on cell clusters (2009) CVIU, 113 (2), pp. 188-201; 
Usaj, M., Torkar, D., Kanduser, M., Miklavcic, D., Cell counting tool parameters optimization approach for electroporation efficiency determination of attached cells in phase contrast image (2010) Journal of Microscopy, 241 (3), pp. 303-314; 
Sezgin, M., Sankur, B., Survey over image thresholding techniques and quantitative performance evaluation (2003) Journal of Electronic Imaging, 13 (1), pp. 146-165; 
Lowe, D., Distinctive Image Features from Scale-Invariant Keypoints (2004) International Journal of Computer Vision; 
Lindberg, T., Scale-space theory: A basic tool for analysing structures at different scales (1994) Journal of Applied Statistics, pp. 11-24; 
Yan, P., Zhou, X., Shah, M., Wong, S.T.C., Automatic segmentation of high-throughput RNAi fluorescent cellular images (2008) IEEE Trans. Inf. Technol. Biomed., 12 (1), pp. 109-117; 
CellNote: Plataforma para An?alise Assistida de Imagens, Bruno Afonso Da Cruz Lopes, , Master Thesis, Faculty of Sciences of the University of Porto
},
	month = {2012///},
	pages = {432 - 439},
	address = {Aveiro},
	abstract = {Evaluation of parasite infection indexes on in vitro cell cultures is a practice commonly employed by biomedical researchers to address biological questions or to test the efficacy of novel anti-parasitic compounds. In the particular case of Leishmania infantum, a unicellular parasite that parasitizes macrophages, infection indexes are usually determined either by visual inspection of cells directly under the microscope or by counting digital images using appropriate software. In either case assessment of infection indexes is time consuming, thus motivating the creation of automatic image analysis approaches that allow large scale studies of Leishmania-infected macrophage cultures. We propose a fully automated method for automatic evaluation of parasite infection indexes through the segmentation of individual macrophages nucleus and cytoplasm, as well as the segmentation and co-localization of the parasites in the image. To perform such analysis with robustness and increased performance we propose the use of local image filters tuned to the specific size of the objects to detect, in conjunction with image segmentation approaches. The objects size estimation is then improved through a learning feedback loop. Cytoplasm is detected by seeded watershed segmentation. Our approach obtains, for 86 images from 4 experiments, an average parasite infection index evaluation error of 2.3\%. {\textcopyright} 2012 Springer-Verlag.},
	keywords = {Automated methods, Automatic assessment, Automatic evaluation, Automatic image analysis, Cell culture, Cell nuclei detection, cell nucleus, Colocalization, Digital image, Enzyme inhibition, Feed-back loop, Image analysis, Image filters, Image segmentation, In-vitro, Leishmania, Leishmania infantum, Macrophage cells, Macrophage culture, Macrophages, microscopy image segmentation, Microscopy images, Parasite infection, Parasite-, Size estimation, Visual inspection, Watershed segmentation},
	isbn = {03029743 (ISSN); 9783642312977 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864131020\&partnerID=40\&md5=71523f4ff6de3e6ecc717c2fce28284a},
	author = {Leal, P. and Ferro, L. and Marques, M. and Rom{\~a}o, S. and Cruz, T. and Tom{\'a}, A.M. and Castro, H. and Quelhas, P.}
}
@booklet {2176,
	title = {Brain delivery of camptothecin by means of solid lipid nanoparticles: Formulation design, in vitro and in vivo studies},
	howpublished = {International Journal of PharmaceuticsInt. J. Pharm.},
	volume = {439},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusArticle in PressCODEN: IJPHDdoi: 10.1016/j.ijpharm.2012.09.054Language of Original Document: EnglishCorrespondence Address: Martins, S.; Laboratory of Pharmaceutical Technology/Centre of Research in Pharmaceutical Sciences (LTF/CICF), Faemail: susana.martins@ff.up.pt},
	month = {2012///},
	pages = {49 - 62},
	abstract = {For the purpose of brain delivery upon intravenous injection, formulations of camptothecin-loaded solid lipid nanoparticles (SLN), prepared by hot high pressure homogenisation, were designed. Incorporation of camptothecin in the hydrophobic and acidic environment of SLN matrix was chosen to stabilise the lactone ring, which is essential for its antitumour activity, and for avoiding premature loss of drug on the way to target camptothecin to the brain.A multivariate approach was used to assess the influence of the qualitative and quantitative composition on the physicochemical properties of camptothecin-loaded SLN in comparison to plain SLN. Mean particle sizes of <=200. nm, homogenous size distributions and high encapsulation efficiencies (>90\%) were achieved for the most suitable formulations. In vitro release studies in plasma, showed a prolonged release profile of camptothecin from SLN, confirming the physical stability of the particles under physiological pH. A higher affinity of the SLN to the porcine brain capillary endothelial cells (BCEC) was shown in comparison to macrophages. MTT studies in BCEC revealed a moderate decrease in the cell viability of camptothecin, when incorporated in SLN compared to free camptothecin in solution. In vivo studies in rats showed that fluorescently labelled SLN were detected in the brain after i.v. administration. This study indicates that the camptothecin-loaded SLN are a promising drug brain delivery system worth to explore further for brain tumour therapy. {\textcopyright} 2012 Elsevier B.V.},
	keywords = {Brain capillary endothelial cells (BCEC), Brain delivery, Camptothecin, Multivariate analysis, Solid lipid nanoparticles (SLN), Surfactants},
	isbn = {03785173 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84867836553\&partnerID=40\&md5=74d025ee54b5f6569263167e0e4bcfd0},
	author = {Martins, S. and Tho, I. and Reimold, I. and Fricker, G. and Souto, E. and Ferreira, D. and Brandl, M.}
}
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	title = {Cell-based in vitro models for predicting drug permeability},
	journal = {Expert Opinion on Drug Metabolism and ToxicologyExpert Opin. Drug Metab. Toxicol.},
	volume = {8},
	year = {2012},
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},
	month = {2012///},
	pages = {607 - 621},
	abstract = {In vitro cell models have been used to predict drug permeation in early stages of drug development, since they represent an easy and reproducible method, allowing the tracking of drug absorption rate and mechanism, with an advantageous costbenefit ratio. Such cell-based models are mainly composed of immortalized cells with an intrinsic ability to grow in a monolayer when seeded in permeable supports, maintaining their physiologic characteristics regarding epithelium cell physiology and functionality. Areas covered: This review summarizes the most important intestinal, pulmonary, nasal, vaginal, rectal, ocular and skin cell-based in vitro models for predicting the permeability of drugs. Moreover, the similitude between in vitro cell models and in vivo conditions are discussed, providing evidence that each model may provisionally resemble different drug absorption route. Expert opinion: Despite the widespread use of in vitro cell models for drug permeability and absorption evaluation purposes, a detailed study on the properties of these models and their in vitroin vivo correlation compared with human data are required to further use in order to consider a future drug discovery optimization and clinical development. {\textcopyright} 2012 Informa UK, Ltd.},
	keywords = {Animals, Caco-2 Cells, carcinoma cell, cell differentiation, cell growth, Cell Line, Cell Membrane Permeability, cell models, cell proliferation, cell strain CACO 2, cell type, Cells, conjunctiva, drug absorption, drug bioavailability, drug delivery system, drug penetration, drug screening, drug transport, epithelium cell, Eye, human, Humans, in vitro models, in vitro study, in vitroin vivo correlation, Intestinal Absorption, intestinal mucosa, intestine cell, Intestines, Lung, lung alveolus cell, Models, Biological, molecular weight, nasal cell, nonhuman, ocular cell, permeability, Pharmaceutical Preparations, rectal cell, review, Skin, skin cell, vaginal cell},
	isbn = {17425255 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84859967380\&partnerID=40\&md5=f531a0a6e96c96e8daf71a6b36dbec8a},
	author = {Sarmento, B. and Andrade, F. and Da Silva, S.B. and Rodrigues, F. and Das Neves, J. and Ferreira, D.}
}
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	volume = {33},
	year = {2012},
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},
	month = {2012///},
	pages = {7677 - 7685},
	abstract = {Albumin-scavenging surfaces decorated with n-alkyl chains represent an established strategy for blood-contacting applications. To evaluate this concept, a set of poly (2-hydroxyethyl methacrylate) (pHEMA) films modified with different amounts of octadecyl isocyanate (C18) was investigated in an in vitro hemocompatibility assay using freshly drawn human whole blood. In addition, the hydrogel materials were thoroughly characterized with respect to changes in wettability and elasticity, which accompanied the gradual chemical modification of pHEMA. An increase of the surface C18 content induced enhanced hydrophobicity and stiffness. Immobilization of C18 chains was found to substantially reduce the coagulation activation and the complement activation by the pHEMA films. Platelet adhesion and degranulation (PF4 release) were similar on the modified and the unmodified pHEMA. Platelet adhesion to pHEMA hydrogels was lower than the polytetrafluoroethylene reference. We conclude that the immobilization of octadecyl chains improved the hemocompatibility of pHEMA materials under conditions that might be encountered in low shear blood flow. {\textcopyright} 2012 Elsevier Ltd.},
	keywords = {Adhesion, Albumin, article, Biological materials, Biomaterials, Blood, Blood flow, Chemical modification, Coagulation, controlled study, Degranulation, Elasticity, Haemocompatibility, Hemocompatibility, human, hydrogel, in vitro study, In-vitro, isocyanate, Octadecyl, octadecyl isocyanate, PHEMA, Platelet adhesion, Platelets, Poly(2-hydroxyethyl methacrylate), PolyHEMA, polymacon, priority journal, Protein adsorption, thrombocyte adhesion, unclassified drug, wettability, Whole blood},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84865188580\&partnerID=40\&md5=81a8750115106c3d6e9fa2de862d9f70},
	author = {Fischer, M. and Baptista, C.P. and Gon{\c c}alves, I.C. and Ratner, B.D. and Sperling, C. and Werner, C. and Martins, C.L. and Barbosa, M.A.}
}
@article {2177,
	title = {Epithelial E- and P-cadherins: Role and clinical significance in cancer},
	journal = {Biochimica et Biophysica Acta - Reviews on CancerBiochim. Biophys. Acta Rev. Cancer},
	volume = {1826},
	year = {2012},
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},
	month = {2012///},
	pages = {297 - 311},
	abstract = {E-cadherin and P-cadherin are major contributors to cell-cell adhesion in epithelial tissues, playing pivotal roles in important morphogenetic and differentiation processes during development, and in maintaining integrity and homeostasis in adult tissues. It is now generally accepted that alterations in these two molecules are observed during tumour progression of most carcinomas. Genetic or epigenetic alterations in E- and P-cadherin-encoding genes (CDH1 and CDH3, respectively), or alterations in their proteins expression, often result in tissue disorder, cellular de-differentiation, increased invasiveness of tumour cells and ultimately in metastasis. In this review, we will discuss the major properties of E- and P-cadherin molecules, its regulation in normal tissue, and their alterations and role in cancer, with a specific focus on gastric and breast cancer models. {\textcopyright} 2012 Elsevier B.V.},
	keywords = {antineoplastic activity, antineoplastic agent, Breast, breast cancer, Cancer, cancer chemotherapy, cancer model, cancer survival, drug effect, E-cadherin, Gastric, gene expression regulation, gene function, gene location, gene overexpression, gene structure, genetic association, genetic code, Helicobacter infection, Hereditary diffuse gastric cancer, human, in vivo study, loss of function mutation, lymph node metastasis, malignant neoplastic disease, molecular dynamics, molecular pathology, molecularly targeted therapy, nonhuman, P cadherin, P cadherin gene, P-cadherin, pf 03732010, priority journal, protein expression, protein function, protein inhibitor, protein processing, review, signal transduction, stomach cancer, transcription regulation, tumor gene, unclassified drug, uvomorulin, uvomorulin gene, vasculotropin inhibitor},
	isbn = {0304419X (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84861800037\&partnerID=40\&md5=2d52be63f4168a561b1bda1315e1f429},
	author = {Paredes, J. and Figueiredo, J. and Albergaria, A. and Oliveira, P. and Carvalho, J. and Ribeiro, A.S. and Caldeira, J. and Costa, A.M. and Sim{\~o}es-Correia, J. and Oliveira, M.J. and Pinheiro, H. and Pinho, S.S. and Mateus, R. and Reis, C.A. and Leite, M. and Fernandes, M.S. and Schmitt, F. and Carneiro, F. and Figueiredo, C. and Oliveira, C. and Seruca, R.}
}
@book {2213,
	title = {FTIR analysis and cytotoxicity test of titanium dioxide nanoparticles},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {493-494},
	year = {2012},
	note = {Conference code: 87411Export Date: 21 November 2012Source: ScopusCODEN: KEMAEdoi: 10.4028/www.scientific.net/KEM.493-494.768Language of Original Document: EnglishCorrespondence Address: Rodrigues, L.R.; Department of Materials Engineering, Faculty of Mechanical Engineering, State University of Campinas, Campinas, S{\~a}o Paulo, Brazil; email: leo5002@fem.unicamp.brReferences: Pavlova, A., Barloti, J., Teters, V., Locs, J., Berzina-Cimdina, L., (2009) Processing and Application of Ceramics, 3 (4), pp. 187-190;Naldoni, A., Minguzzi, A., Vertova, A., Santo, V.D., Borgesec, L., Bianchi, C.L., (2010) J. Mater. Chem., 21, pp. 400-407; 
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},
	month = {2012///},
	pages = {768 - 774},
	address = {Istanbul},
	abstract = {Titanium dioxide is a material widely used in electronics industry and little explored in the biomedical area, which is the objective of this work. Nowadays one can find surgical instruments coated with thin films that have bactericidal properties when they are activated in the presence of ultraviolet light. For crystalline phase control TiO                        2 was calcinated at 500{\textdegree}C. The crystallite mean size for sample calcinated at 500{\textdegree}C was 27nm. With the results of cytotoxicity it is possible to say that biomedical applications are possible. Electron microscopy images showed nanoparticles obtained by sol-gel process and the compounds were identified by FTIR analysis. Raman spectroscopy confirmed the existence of anatase titania phase and X-ray diffraction showed this material to be composed of a crystalline phase. X-ray fluorescence identified chemical contaminants. {\textcopyright} (2012) Trans Tech Publications.
},
	keywords = {Anatase titania, Bactericidal properties, Bioceramics, Biomedical applications, Chemical contaminants, Crystalline materials, Crystalline phase, Crystallite size, Cytotoxicity, Cytotoxicity test, Electron microscopy images, Electronics industry, FTIR, FTIR analysis, Gels, Mean size, Medical applications, nanoparticles, Nanotechnology, Oxides, Raman spectroscopy, Scherrer equation, Scherrer equations, Sol-gel process, Sol-gel with sucrose, Sol-gels, Sols, Sugar (sucrose), Surgical equipment, Surgical instrument, TiO, Titanium, Titanium dioxide, Titanium dioxide nanoparticles, Ultra-violet light, Ultraviolet radiation, X ray diffraction, X ray fluorescence},
	isbn = {10139826 (ISSN); 9783037852552 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-81555221106\&partnerID=40\&md5=6e76ec1290c649a4d981ebf5e2fbf4b3},
	author = {Rodrigues, L.R. and Dias, C.G.B.T. and Ceragioli, H.J. and Rodas, A.C.D. and Monteiro, F.J.M. and Zavaglia, C.A.C.}
}
@article {2191,
	title = {(Gd,Yb,Tb)PO                    4 up-conversion nanocrystals for bimodal luminescence-MR imaging
},
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	volume = {4},
	year = {2012},
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},
	month = {2012///},
	pages = {5154 - 5162},
	abstract = {Up-conversion (Gd,Yb,Tb)PO                        4 materials and their potential for bimodal imaging have received little attention in the literature. Herein, we report the first study on the up-conversion emission of (Gd,Yb,Tb)PO 
                        4 nanocrystals synthesized via a hydrothermal method at 150{\textdegree}C. These materials exhibit ultraviolet, blue and green up-conversion emissions upon excitation with a 980 nm continuous wave laser diode. The intensity of the blue-emission band at 479 nm, ascribed to the cooperative up-conversion emission of a pair of excited Yb 
                        3+ ions, depends on the Yb 
                        3+/Tb 
                        3+ concentration ratio, calcination temperature and particle size. Strong green up-conversion emission of Tb 
                        3+ is observed at 543 nm for the 
                        5D 
                        4 {\textrightarrow} 
                        7F 
                        5 transition. Relaxometry measurements reveal that the nanocrystals are efficient T 
                        2-weighted (negative) contrast agents which, combined with visible-light emission generated by infrared excitation, affords them considerable potential for being used in bimodal, photoluminescence-magnetic resonance, imaging. {\textcopyright} 2012 The Royal Society of Chemistry.
},
	keywords = {Blue-emission, Calcination, Calcination temperature, Concentration ratio, Continuous wave lasers, Contrast agent, Gadolinium, Hydrothermal methods, Infrared excitation, Magnetic resonance, Magnetic resonance imaging, Nanocrystals, Relaxometry, Up-conversion, Up-conversion emission, Visible light, Ytterbium},
	isbn = {20403364 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864473419\&partnerID=40\&md5=c7f84b016cee67b4bf5fc3781f6b9861},
	author = {Debasu, M.L. and Ananias, D. and Pinho, S.L.C. and Geraldes, C.F.G.C. and Carlos, L.D. and Rocha, J.}
}
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	volume = {9},
	year = {2012},
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},
	month = {2012///},
	pages = {3347 - 3356},
	abstract = {The interaction with cervicovaginal mucus presents the potential to impact the performance of drug nanocarriers. These systems must migrate through this biological fluid in order to deliver their drug payload to the underlying mucosal surface. We studied the ability of dapivirine-loaded polycaprolactone (PCL)-based nanoparticles (NPs) to interact with a simulated vaginal fluid (SVF) incorporating mucin. Different surface modifiers were used to produce NPs with either negative (poloxamer 338 NF and sodium lauryl sulfate) or positive (cetyltrimethylammonium bromide) surface charge. Studies were performed using the mucin particle method, rheological measurements, and real-time multiple particle tracking. Results showed that SVF presented rheological properties similar to those of human cervicovaginal mucus. Analysis of NP transport indicated mild interactions with mucin and low adhesive potential. In general, negatively charged NPs underwent subdiffusive transport in SVF, i.e., hindered as compared to their diffusion in water, but faster than for positively charged NPs. These differences were increased when the pH of SVF was changed from 4.2 to 7.0. Diffusivity was 50- and 172-fold lower in SVF at pH 4.2 than in water for negatively charged and positively charged NPs, respectively. At pH 7.0, this decrease was around 20- and 385-fold, respectively. The estimated times required to cross a layer of SVF were equal to or lower than 1.7 h for negatively charged NPs, while for positively charged NPs these values were equal to or higher than 7 h. Overall, our results suggest that negatively charged PCL NPs may be suitable to be used as carriers in order to deliver dapivirine and potentially other antiretroviral drugs to the cervicovaginal mucosal lining. Also, they further reinforce the importance in characterizing the interactions of nanosystems with mucus fluids or surrogates when considering mucosal drug delivery. {\textcopyright} 2012 American Chemical Society.},
	keywords = {microbicides, mucin, mucoadhesion, mucosal drug delivery, particle tracking, rheology},
	isbn = {15438384 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84868526145\&partnerID=40\&md5=bd161f1b2ce30fba31c7a482dbe60b86},
	author = {Das Neves, J. and Rocha, C.M.R. and Gon{\c c}alves, M.P. and Carrier, R.L. and Amiji, M. and Bahia, M.F. and Sarmento, B.}
}
@article {2797,
	title = {Osteoporotic hip fractures: Bisphosphonates sales and observed turning point in trend. A population-based retrospective study},
	year = {2012},
	month = {2012},
	publisher = {Elsevier},
	author = {Alves, Sandra Maria and Economou, Theodoros and Oliveira, Carla and Ribeiro, Ana Isabel and Neves, Nuno and Gom{\'e}z-Barrena, Enrique and de Pina, Maria de F{\'a}tima}
}
@booklet {2188,
	title = {Preparation and characterization of collagen-nanohydroxyapatite biocomposite scaffolds by cryogelation method for bone tissue engineering applications},
	howpublished = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusArticle in PressCODEN: JBMRCdoi: 10.1002/jbm.a.34394Language of Original Document: EnglishCorrespondence Address: Rodrigues, S.C.; INEB - Instituto de Engenharia Biom{\'e}dica, Universidade do Porto, Rua do Campo Alegre, 823, 41email: sandra88rodrigues@gmail.com},
	month = {2012///},
	abstract = {Recent efforts of bone repair focus on development of porous scaffolds for cell adhesion and proliferation. Collagen-nanohydroxyapatite (HA) scaffolds (70:30; 50:50; and 30:70 mass percentage) were produced by cryogelation technique using 1-ethyl-3-(3-dimethyl aminopropyl) carbodiimide hydrochloride/N-hydroxysuccinimide as crosslinking agents. A pure collagen scaffold was used as control. Morphology analysis revealed that all cryogels had highly porous structure with interconnective porosity and the nanoHA aggregates were randomly dispersed throughout the scaffold structure. Chemical analysis showed the presence of all major peaks related to collagen and HA in the biocomposites and indicated possible interaction between nanoHA aggregates and collagen molecules. Porosity analysis revealed an enhancement in the surface area as the nanoHA percentage increased in the collagen structure. The biocomposites showed improved mechanical properties as the nanoHA content increased in the scaffold. As expected, the swelling capacity decreased with the increase of nanoHA content. In vitro studies with osteoblasts cells showed that they were able to attach and spread in all cryogels surfaces. The presence of collagen-nanoHA biocomposites resulted in higher overall cellular proliferation compared to pure collagen scaffold. A statistically significant difference between collagen and collagen-nanoHA cryogels was observed after 21 day of cell culture. These innovative collagen-nanoHA cryogels could have potentially appealing application as scaffolds for bone regeneration. {\textcopyright} 2012 Wiley Periodicals, Inc.},
	keywords = {Biomaterials, Bone tissue engineering, Collagen, Cryogels, Nanohydroxyapatite},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84866486969\&partnerID=40\&md5=d00fe7ac9a8d6e95364631aa27ffa074},
	author = {Rodrigues, S.C. and Salgado, C.L. and Sahu, A. and Garcia, M.P. and Fernandes, M.H. and Monteiro, F.J.}
}
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	volume = {7},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusArt. No.: 045010doi: 10.1088/1748-6041/7/4/045010Language of Original Document: EnglishCorrespondence Address: Ribeiro, M.; INEB-Instituto de Engenharia Biom{\'e}dica, Universidade Do Porto, Rua Campo Alegre, 823, 4150-180 Porto, Portugal; email: ribeiro_marta88@hotmail.comChemicals/CAS: fibronectin, 86088-83-7; human serum albumin, 9048-49-1; hydroxyapatite, 1306-06-5, 51198-94-8References: Darley, E.S.R., MacGowan, A.P., Antibiotic treatment of Gram-positive bone and joint infections (2004) Journal of Antimicrobial Chemotherapy, 53 (6), pp. 928-935. , DOI 10.1093/jac/dkh191;Lidgren, L., Knutson, K., Stef{\'a}nsd{\'o}ttir, A., Infection of prosthetic joints (2003) Best Pract. Res. Clin. Rheumatol., 17, pp. 209-218; 
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},
	month = {2012///},
	abstract = {Bacterial infections can have adverse effects on the efficacy, lifetime, and safety of an implanted device. The aim of this study was to investigate the initial adhesion of several strains, namely S. aureus and S. epidermidis, on two distinct types of nanohydroxyapatite (nanoHA), sintered at 725{\textdegree}C and 1000{\textdegree}C. A comparison was also made with nanohydroxyapatite having adsorbed fetal bovine serum (FBS), human fibronectin (FN) and human serum albumin (HSA). Adhered bacterial cells were examined by scanning electron microscopy and quantified as colony forming units after being released by sonication. The wettability of the sample surface with and without adsorbed protein was assessed by contact-angle measurements. NanoHA sintered at 1000{\textdegree}C showed lower bacterial adhesion than this heat-treated at 725{\textdegree}C. Adsorption of FBS onto the nanoHA surface caused a decrease in the adhesion of all strains on both materials. The bacterial adhesion patterns in the presence of FN were different for both nanoHA substrates; the adherence of the bacterial strains, except for the clinical strain of S.epidermidis, was significantly higher on nanoHA 1000 in comparison to nanoHA 1000 without protein and the bacterial adhesion on the FN-coated nanoHA 725 was lower in comparison to the bare nanoHA 725. The effect of HSA on bacterial adhesion was concentration and bacterial strain dependent. {\textcopyright} 2012 IOP Publishing Ltd.},
	keywords = {Adhesion, Adsorption, Adverse effect, article, Bacteria, Bacterial adhesion, bacterial cell, Bacterial cells, Bacterial infections, bacterial strain, Bacterial strains, bacterium adherence, Clinical strains, colony forming unit, Colony forming units, Contact angle, Contact-angle measurements, controlled study, Enzyme inhibition, Epidermidis, Fetal bovine serum, Fibronectin, heating, Human fibronectin, human serum albumin, Human serum albumins, hydroxyapatite, Implanted device, materials testing, Model proteins, Nano-HA, Nano-hydroxyapatite, Nanohydroxyapatite, nanoparticle, nonhuman, Proteins, S. aureus, Sample surface, Scanning electron microscopy, serum, Sintering, Staphylococcus aureus, Staphylococcus epidermidis, surface property, ultrasound, unclassified drug, wettability},
	isbn = {17486041 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864391456\&partnerID=40\&md5=9170b87ade5223df5146d21981d073ef},
	author = {Ribeiro, M. and Monteiro, F.J. and Ferraz, M.P.}
}
@book {2199,
	title = {Supervised content based image retrieval using radiology reports},
	series = {Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)Lect. Notes Comput. Sci.},
	volume = {7325 LNCS},
	year = {2012},
	note = {Conference code: 91199Export Date: 21 November 2012Source: Scopusdoi: 10.1007/978-3-642-31298-4_30Language of Original Document: EnglishCorrespondence Address: Ramos, J.; INEB - Instituto de Engenharia Biom{\'e}dica, Faculdade de Engenharia, Universidade Do PortoPortugalReferences: Aisen, A.M., Broderick, L.S., Winer-Muram, H., Brodley, C.E., Kak, A.C., Pavlopoulou, C., Dy, J., Marchiori, A., Automated storage and retrieval of thin-section CT images to assist diagnosis: System description and preliminary assessment (2003) Radiology, 228 (1), pp. 265-270;Akgul, C.B., Rubin, D.L., Napel, S., Beaulieu, C.F., Greenspan, H., Acar, B., Content-Based image retrieval in radiology: Current status and future directions (2010) Journal of Digital Imaging, 24 (2), pp. 208-222; 
Dreyer, K.J., Kalra, M.K., Maher, M.M., Hurier, A.M., Asfaw, B.A., Schultz, T., Halpern, E.F., Thrall, J.H., Application of recently developed computer algorithm for automatic classification of unstructured radiology reports: Validation study1 (2005) Radiology, 234 (2), pp. 323-329; 
Hersh, W.R., M{\"u}lller, H., Jensen, J.R., Yang, J., Gorman, P.N., Ruch, P., Advancing biomedical image retrieval: Development and analysis of a test collection (2006) Journal of the American Medical Informatics Association: JAMIA, 13 (5), pp. 488-496; 
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Kockelkorn, T.T.J.P., De Jong, P.A., Gietema, H.A., Grutters, J.C., Prokop, M., Van Ginneken, B., Interactive annotation of textures in thoracic CT scans (2010) Proceedings of SPIE, 7624 (1), pp. 76240X-76240X-8. , March; 
Li, Q., Li, F., Shiraishi, J., Katsuragawa, S., Sone, S., Doi, K., Investigation of new psychophysical measures for evaluation of similar images on thoracic computed tomography for distinction between benign and malignant nodules (2003) Medical Physics, 30 (10), pp. 2584-2593; 
Van Rikxoort, E.M., De Hoop, B., Van De Vorst, S., Prokop, M., Van Ginneken, B., Automatic segmentation of pulmonary segments from volumetric chest CT scans (2009) IEEE Transactions on Medical Imaging, 28 (4), pp. 621-630; 
Sammon, J.W., A nonlinear mapping for data structure analysis (1969) IEEE Transactions on Computers, C-18 (5), pp. 401-409; 
Slaney, M., Weinberger, K., White, W., Learning a metric for music similarity (2008) Procedings of the 9th International Society for Music Information Retrieval Conference, pp. 313-318; 
Sluimer, I.C., Prokop, M., Hartmann, I., Van Ginneken, B., Automated classification of hyperlucency, fibrosis, ground glass, solid, and focal lesions in high-resolution CT of the lung (2006) Medical Physics, 33 (7), p. 2610; 
Yang, L., Jin, R., Mummert, L., Sukthankar, R., Goode, A., Zheng, B., Hoi, S.C., Satyanarayanan, M., A boosting framework for Visuality-Preserving distance metric learning and its application to medical image retrieval (2010) IEEE Transactions on Pattern Analysis and Machine Intelligence, 32 (1), pp. 30-44
},
	month = {2012///},
	pages = {249 - 258},
	address = {Aveiro},
	abstract = {Content based image retrieval (CBIR) is employed in medicine to improve radiologists{\textquoteright} diagnostic performance. Today effective medical CBIR systems are limited to specific applications, as to reduce the amount of medical knowledge to model. Although supervised approaches could ease the incorporation of medical expertise, its application is not common due to the scarce number of available user annotations. This paper introduces the application of radiology reports to supervise CBIR systems. The concept is to make use of the textual distances between reports to build a transformation in image space through a manifold learning algorithm. A comparison was made between the presented approach and non-supervised CBIR systems, using a Leave-One-Patient-Out evaluation in a database of computer tomography scans of interstitial lung diseases. Supervised CBIR augmented the mean average precision consistently with an increase between 3 to 8 points, which suggests supervision by radiology reports increases CBIR performance. {\textcopyright} 2012 Springer-Verlag.},
	keywords = {CBIR system, Computer tomography, Content based retrieval, Content-Based Image Retrieval, Diagnostic performance, Image analysis, Image space, Interstitial lung disease, Learning algorithms, Manifold learning algorithm, Medical computing, Medical knowledge, Radiation, Radiology, Radiology reports, User annotations},
	isbn = {03029743 (ISSN); 9783642312977 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864135039\&partnerID=40\&md5=1aafa2e679e79b57baf3cdb50c5e4c97},
	author = {Ramos, J. and Kockelkorn, T. and Van Ginneken, B. and Viergever, M.A. and Ramos, R. and Campilho, A.}
}
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},
	month = {2012///},
	pages = {233 - 240},
	abstract = {Background/Aims: The microenvironment produces important factors that are crucial to prostate cancer (PCa) progression. However, the extent to which the cancer cells stimulate periprostatic adipose tissue (PPAT) to produce these proteins is largely unknown. Our purpose was to determine whether PCa cell-derived factors influence PPAT metabolic activity. Methods: Primary cultures of human PPAT samples from PCa patients (adipose tissue organotypic explants and primary stromal vascular fraction, SVF) were stimulated with conditioned medium (CM) collected from prostate carcinoma (PC3) cells. Cultures without CM were used as control. We used multiplex analysis and ELISA for protein quantification, qPCR to determine mitochondrial DNA (mtDNA) copy number and zymography for matrix metalloproteinase activity, in order to evaluate the response of adipose tissue explants and SVFs to PC3 CM. Results: Stimulation of PPAT explants with PCa PC3 CM induced adipokines associated with cancer progression (osteopontin, tumoral necrosis factor alpha and interleukin-6) and reduced the expression of the protective adipokine adiponectin. Notably, osteopontin protein expression was 13-fold upregulated. Matrix metalloproteinase 9 activity and mitochondrial DNA copy number were higher after stimulation with cancer CM. Stromovascular cells from PPAT in culture were not influenced by tumor-derived factors. Conclusion: The modulation of adipokine expression by tumor CM indicates the pervasive extent to which tumor cells command PPAT to produce factors favorable to their aggressiveness. {\textcopyright} 2012 S. Karger AG, Basel.},
	keywords = {Adipokines, adiponectin, adipose tissue, adult, article, cancer cell, cancer growth, Cells, Cultured, clinical article, controlled study, Culture Media, Conditioned, culture medium, Cytokines, DNA, Mitochondrial, enzyme activity, enzyme linked immunosorbent assay, explant, gelatinase B, human, human cell, human tissue, Humans, interleukin 6, Interleukin-6, male, Matrix Metalloproteinase 2, Matrix Metalloproteinase 9, Middle Aged, mitochondrial DNA, Osteopontin, Periprostatic adipose tissue, priority journal, Prostate cancer, Prostatic Neoplasms, protein expression, protein induction, protein secretion, quantitative analysis, stroma cell, tissue metabolism, tumor necrosis factor alpha, Tumor Necrosis Factor-alpha},
	isbn = {10158987 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84859829669\&partnerID=40\&md5=a76be7e5c0037e77140c1fc9aca48a5a},
	author = {Ribeiro, R.J.T. and Monteiro, C.P.D. and Cunha, V.F.P.M. and Azevedo, A.S.M. and Oliveira, M.J. and Monteiro, R. and Fraga, A.M. and Pr{\'\i}ncipe, P. and Lobato, C. and Lobo, F. and Morais, A. and Silva, V. and Sanches-Magalh{\~a}es, J. and Oliveira, J. and Guimar{\~a}es, J.T. and Lopes, C.M.S. and Medeiros, R.M.}
}
@article {2241,
	title = {The Arabidopsis D-Type Cyclin CYCD2;1 and the Inhibitor ICK2/KRP2 Modulate Auxin-Induced Lateral Root Formation},
	journal = {Plant CellPlant Cell},
	volume = {23},
	year = {2011},
	note = {Cited By (since 1996): 14Export Date: 21 November 2012Source: ScopusCODEN: PLCEEdoi: 10.1105/tpc.110.080002PubMed ID: 21357490Language of Original Document: EnglishCorrespondence Address: Murray, J. A. H.; Cardiff School of Biosciences, Cardiff University, CF10 3AX Cardiff, United Kingdom; email: murrayja1@cardiff.ac.ukChemicals/CAS: proteasome, 140879-24-9; ATP dependent 26S protease, 3.4.99.-; Arabidopsis Proteins; Cell Cycle Proteins; CycD2 protein, Arabidopsis; Cyclins; ICK2 protein, Arabidopsis; Indoleacetic Acids; Proteasome Endopeptidase Complex, 3.4.25.1References: Achard, P., Gusti, A., Cheminant, S., Alioua, M., Dhondt, S., Coppens, F., Beemster, G.T., Genschik, P., Gibberellin signaling controls cell proliferation rate in Arabidopsis (2009) Curr. Biol., 19, pp. 1188-1193;Alonso, J.M., Genome-wide insertional mutagenesis of Arabidopsis thaliana (2003) Science, 301, pp. 653-657; 
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},
	month = {2011///},
	pages = {641 - 660},
	abstract = {The integration of cell division in root growth and development requires mediation of developmental and physiological signals through regulation of cyclin-dependent kinase activity. Cells within the pericycle form de novo lateral root meristems, and D-type cyclins (CYCD), as regulators of the G                        1-to-S phase cell cycle transition, are anticipated to play a role. Here, we show that the D-type cyclin protein CYCD2;1 is nuclear in Arabidopsis thaliana root cells, with the highest concentration in apical and lateral meristems. Loss of CYCD2;1 has a marginal effect on unstimulated lateral root density, but CYCD2;1 is rate-limiting for the response to low levels of exogenous auxin. However, while CYCD2;1 expression requires sucrose, it does not respond to auxin. The protein Inhibitor-Interactor of CDK/Kip Related Protein2 (ICK2/KRP2), which interacts with CYCD2;1, inhibits lateral root formation, and ick2/krp2 mutants show increased lateral root density. ICK2/ KRP2 can modulate the nuclear levels of CYCD2;1, and since auxin reduces ICK2/KRP2 protein levels, it affects both activity and cellular distribution of CYCD2;1. Hence, as ICK2/KRP2 levels decrease, the increase in lateral root density depends on CYCD2;1, irrespective of ICK2/CYCD2;1 nuclear localization. We propose that ICK2/KRP2 restrains root ramification by maintaining CYCD2;1 inactive and that this modulates pericycle responses to auxin fluctuations. {\textcopyright} 2011 American Society of Plant Biologists.
},
	keywords = {Arabidopsis, Arabidopsis protein, Arabidopsis Proteins, Arabidopsis thaliana, article, ATP dependent 26S protease, cell cycle, cell cycle protein, Cell Cycle Proteins, cell nucleus, CycD2 protein, Arabidopsis, cycline, Cyclins, gene expression regulation, Gene Expression Regulation, Plant, genetics, growth, development and aging, ICK2 protein, Arabidopsis, indoleacetic acid derivative, Indoleacetic Acids, metabolism, mutation, plant root, Plant roots, proteasome, Proteasome Endopeptidase Complex},
	isbn = {10404651 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79953123085\&partnerID=40\&md5=f1355f64db2bcf9f2d881104f23005eb},
	author = {Sanz, L. and Dewitte, W. and Forzani, C. and Patell, F. and Nieuwland, J. and Wen, B. and Quelhas, P. and de Jager, S. and Titmus, C. and Campilho, A. and Ren, H. and Estelle, M. and Wang, H. and Murray, J.A.H.}
}
@article {2234,
	title = {Bone marrow-derived endothelial progenitors expressing delta-like 4 (Dll4) regulate tumor angiogenesis},
	journal = {PLoS ONEPLoS ONE},
	volume = {6},
	year = {2011},
	note = {Cited By (since 1996): 8Export Date: 21 November 2012Source: ScopusArt. No.: e18323doi: 10.1371/journal.pone.0018323Language of Original Document: EnglishCorrespondence Address: Dias, S.; Angiogenesis Laboratory, CIPM/Portuguese Institute of Oncology, Lisbon, Portugal; email: sergidias@ipolisboa.min-saude.ptChemicals/CAS: fibronectin, 86088-83-7; vasculotropin, 127464-60-2; DLL4 protein, mouse; Intracellular Signaling Peptides and Proteins; Membrane ProteinsReferences: Asahara, T., Masuda, H., Takahashi, T., Kalka, C., Pastore, C., Bone marrow origin of endothelial progenitor cells responsible for postnatal vasculogenesis in physiological and pathological neovascularization (1999) Circ Res, 85, pp. 221-228;Rafii, S., Lyden, D., Benezra, R., Hattori, K., Heissig, B., Vascular and haematopoietic stem cells: Novel targets for anti-angiogenesis therapy? (2002) Nat Rev Cancer, 2, pp. 826-835. , Review; 
Lyden, D., Hattori, K., Dias, S., Costa, C., Blaikie, P., Impaired recruitment of bone-marrow-derived endothelial and hematopoietic precursor cells blocks tumor angiogenesis and growth (2001) Nat Med, 7, pp. 1194-1201; 
Larrivee, B., Niessen, K., Pollet, I., Corbel, S.Y., Long, M., Minimal contribution of marrow-derived endothelial precursors to tumor vasculature (2005) J Immunol, 175, pp. 2890-2899; 
Peters, B.A., Diaz, L.A., Polyak, K., Meszler, L., Romans, K., Contribution of bone marrow-derived endothelial cells to human tumor vasculature (2005) Nat Med, 11, pp. 261-262; 
Pasquier, E., Dias, S., Endothelial progenitor cells: Hope beyond controversy (2010) Curr Cancer Drug Targets, 10 (8), pp. 914-921; 
Dudley, A.C., Udagawa, T., Melero-Martin, J.M., Shih, S.C., Curatolo, A., Bone marrow is a reservoir for proangiogenic myelomonocytic cells but not endothelial cells in spontaneous tumors (2010) Blood, 116 (17), pp. 2267-2271; 
Krebs, L.T., Xue, Y., Norton, C.R., Shutter, J.R., Maguire, M., Notch signaling is essential for vascular morphogenesis in mice (2000) Genes Dev, 14, pp. 1343-1352; 
Uyttendaele, H., Ho, J., Rossant, J., Kitajewski, J., Vascular patterning defects associated with expression of activated Notch4 in embryonic endothelium (2001) Proc Natl Acad Sci U S A, 98, pp. 5643-5648; 
Duarte, A., Hirashima, M., Benedito, R., Trindade, A., Diniz, P., Dosage-sensitive requirement for mouse Dll4 in artery development (2004) Genes Dev, 18, pp. 2474-2478; 
Gale, N.W., Dominguez, M.G., Noguera, I., Pan, L., Hughes, V., Haploinsufficiency of delta-like 4 ligand results in embryonic lethality due to major defects in arterial and vascular development (2004) Proc Natl Acad Sci U S A, 101, pp. 15949-15954; 
Carmeliet, P., Ferreira, V., Breier, G., Pollefeyt, S., Kieckens, L., Abnormal blood vessel development and lethality in embryos lacking a single VEGF allele (1996) Nature, 380, pp. 435-439; 
Mailhos, C., Modlich, U., Lewis, J., Harris, A., Bicknell, R., Delta4, an endothelial specific notch ligand expressed at sites of physiological and tumor angiogenesis (2001) Differentiation, 69, pp. 135-144; 
Oliner, J., Min, H., Leal, J., Yu, D., Rao, S., Suppression of angiogenesis and tumor growth by selective inhibition of angiopoietin-2 (2004) Cancer Cell, 6, pp. 507-516; 
Patel, N.S., Li, J.L., Generali, D., Poulsom, R., Cranston, D.W., Up-regulation of delta-like 4 ligand in human tumor vasculature and the role of basal expression in endothelial cell function (2005) Cancer Res, 65, pp. 8690-8697; 
Williams, C.K., Li, J.L., Murga, M., Harris, A.L., Tosato, G., Up-regulation of the Notch ligand Delta-like 4 inhibits VEGF-induced endothelial cell function (2006) Blood, 107, pp. 931-939; 
Caiado, F., Real, C., Carvalho, T., Dias, S., Notch pathway modulation on bone marrow-derived vascular precursor cells regulates their angiogenic and wound healing potential (2008) PLoS One, 3, pp. e3752; 
Escudier, B., Eisen, T., Stadler, W.M., Szczylik, C., Oudard, S., Sorafenib in advanced clear-cell renal-cell carcinoma (2007) N Engl J Med, 356, pp. 125-134; 
Llovet, J.M., Ricci, S., Mazzaferro, V., Hilgard, P., Gane, E., Sorafenib in advanced hepatocellular carcinoma (2008) N Engl J Med, 359, pp. 378-390; 
Motzer, R.J., Bukowski, R.M., Targeted therapy for metastatic renal cell carcinoma (2006) J Clin Oncol, 24, pp. 5601-5608; 
Bergers, G., Hanahan, D., Modes of resistance to anti-angiogenic therapy (2008) Nat Rev Cancer, 8, pp. 592-603; 
Verheul, H.M., Pinedo, H.M., Possible molecular mechanisms involved in the toxicity of angiogenesis inhibition (2007) Nat Rev Cancer, 7, pp. 475-485; 
Noguera-Troise, I., Daly, C., Papadopoulos, N.J., Coetzee, S., Boland, P., Blockade of Dll4 inhibits tumour growth by promoting non-productive angiogenesis (2006) Nature, 444, pp. 1032-1037; 
Ridgway, J., Zhang, G., Wu, Y., Stawicki, S., Liang, W.C., Inhibition of Dll4 signalling inhibits tumour growth by deregulating angiogenesis (2006) Nature, 444, pp. 1083-1087; 
Moore, M.A., Hattori, K., Heissig, B., Shieh, J.H., Dias, S., Mobilization of endothelial and hematopoietic stem and progenitor cells by adenovector-mediated elevation of serum levels of SDF-1, VEGF, and angiopoietin-1 (2001) Ann N Y Acad Sci, 938, pp. 36-45. , discussion 45-37; 
Yamaguchi, J., Kusano, K.F., Masuo, O., Kawamoto, A., Silver, M., Stromal cell-derived factor-1 effects on ex vivo expanded endothelial progenitor cell recruitment for ischemic neovascularization (2003) Circulation, 107, pp. 1322-1328; 
Leslie, J.D., Ariza-McNaughton, L., Bermange, A.L., McAdow, R., Johnson, S.L., Endothelial signalling by the Notch ligand Delta-like 4 restricts angiogenesis (2007) Development, 134, pp. 839-844; 
Trindade, A., Kumar, S.R., Scehnet, J.S., Lopes-da-Costa, L., Becker, J., Overexpression of delta-like 4 induces arterialization and attenuates vessel formation in developing mouse embryos (2008) Blood, 112, pp. 1720-1729; 
Huang, M.T., Mason, J.C., Birdsey, G.M., Amsellem, V., Gerwin, N., Endothelial intercellular adhesion molecule (ICAM)-2 regulates angiogenesis (2005) Blood, 106, pp. 1636-1643; 
Deutsch, U., Schlaeger, T.M., Dehouck, B., Doring, A., Tauber, S., Inducible endothelial cell-specific gene expression in transgenic mouse embryos and adult mice (2008) Exp Cell Res, 314, pp. 1202-1216; 
Dias, S., Thomas, H., Balkwill, F., Multiple molecular and cellular changes associated with tumour stasis and regression during IL-12 therapy of a murine breast cancer model (1998) Int J Cancer, 75 (1), pp. 151-157; 
Scott, K.A., Holdsworth, H., Balkwill, F.R., Dias, S., Exploiting changes in the tumour microenvironment with sequential cytokine and matrix metalloprotease inhibitor treatment in a murine breast cancer model (2000) Br J Cancer, 83 (11), pp. 1538-1543
},
	month = {2011///},
	abstract = {Neo-blood vessel growth (angiogenesis), which may involve the activation of pre-existing endothelial cells (EC) and/or the recruitment of bone marrow-derived vascular precursor cells (BM-VPC), is essential for tumor growth. Molecularly, besides the well established roles for Vascular endothelial growth factor (VEGF), recent findings show the Notch signalling pathway, in particular the ligand Delta-like 4 (Dll4), is also essential for adequate tumor angiogenesis; Dll4 inhibition results in impaired, non-functional, angiogenesis and reduced tumor growth. However, the role of BM-VPC in the setting of Notch pathway modulation was not addressed and is the subject of the present report. Here we show that SDF-1 and VEGF, which are produced by tumors, increase Dll4 expression on recruited BM-VPC. Mechanistically, BM-VPC activated, in a Dll4-dependent manner, a transcriptional program on mature EC suggestive of EC activation and stabilization. BM-VPC induced ICAM-2 and Fibronectin expression on EC, an effect that was blocked by a Dll4-specific neutralizing antibody. In vivo, transplantation of BM-VPC with decreased Dll4 into tumor-bearing mice resulted in the formation of microvessels with decreased pericyte coverage and reduced fibronectin expression. Consequently, transplantation of BM-VPC with decreased Dll4 resulted in impaired tumor angiogenesis, increased tumor hypoxia and apoptosis, and decreased tumor growth. Taken together, our data suggests that Dll4 expression by BM-VPC affects their communication with tumor vessel endothelial cells, thereby modulating tumor angiogenesis by affecting vascular stability. {\textcopyright} 2011 Real et al.},
	keywords = {angiogenesis, animal, animal cell, animal tissue, Animals, apoptosis, article, blood vessel, Blood Vessels, bone marrow, bone marrow cell, Bone Marrow Cells, cell activation, Cell Line, Tumor, cell proliferation, controlled study, cytology, delta like 4 protein, DLL4 protein, mouse, Endothelial Cells, endothelium cell, Female, Fibronectin, gene expression, gene expression regulation, genetics, human, human cell, Humans, hypoxia, in vitro study, in vivo study, intercellular adhesion molecule 2, Intracellular Signaling Peptides and Proteins, membrane protein, Membrane Proteins, metabolism, Mice, mouse, Mus, neoplasm, Neoplasms, neovascularization (pathology), Neovascularization, Pathologic, neutralizing antibody, nonhuman, Notch receptor, Pathology, pericyte, protein expression, signal peptide, solid tumor, stem cell, stem cell transplantation, Stem cells, stromal cell derived factor 1, tumor cell line, tumor growth, unclassified drug, vascularization, vasculotropin},
	isbn = {19326203 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79953685607\&partnerID=40\&md5=60a33b7d91c1502050bc560303255881},
	author = {Real, C. and Rem{\'e}dio, L. and Caiado, F. and Igreja, C. and Borges, C. and Trindade, A. and Pinto-Do-{\'O}, P. and Yagita, H. and Duarte, A. and Dias, S.}
}
@article {2233,
	title = {The effect of slurry preparation methods on biaxial flexural strength of dental porcelain},
	journal = {Journal of Prosthetic DentistryJ. Prosthet. Dent.},
	volume = {105},
	year = {2011},
	note = {Export Date: 21 November 2012Source: ScopusCODEN: JPDEAdoi: 10.1016/S0022-3913(11)60058-9PubMed ID: 21530756Language of Original Document: EnglishCorrespondence Address: Pelaez-Vargas, A.; Institute of Biomedical Engineering, Rua do Campo Alegre, 283, 4150-180 Porto, Portugal; email: alejopv@ineb.up.ptChemicals/CAS: Complex Mixtures; Dental Porcelain, 12001-21-7References: The Glossary of Prosthodontic Terms (2005) J Prosthet Dent, 94, pp. 10-92;(2008) Dentistry - Ceramic Materials, , ISO 6872 Geneva, Switzerland: International Organization for Standards; 
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Messer, R.L., Lockwood, P.E., Wataha, J.C., Lewis, J.B., Norris, S., Bouillaguet, S., In vitro cytotoxicity of traditional versus contemporary dental ceramics (2003) J Prosthet Dent, 90, pp. 452-458; 
Oh, W.-S., DeLong, R., Anusavice, K.J., Factors affecting enamel and ceramic wear: A literature review (2002) Journal of Prosthetic Dentistry, 87 (4), pp. 451-459. , DOI 10.1067/mpr.2002.123851; 
Schuh, C., Kinast, E.J., Mezzomo, E., Kapczinski, M.P., Effect of glazed and polished surface finishes on the friction coefficient of two low-fusing ceramics (2005) Journal of Prosthetic Dentistry, 93 (3), pp. 245-252. , DOI 10.1016/j.prosdent.2004.12.010; 
Anusavice, K.J., Degradability of dental ceramics (1992) Adv Dent Res, 6, pp. 82-89; 
Kelly, J.R., Nishimura, I., Campbell, S.D., Ceramics in dentistry: Historical roots and current perspectives (1996) Journal of Prosthetic Dentistry, 75 (1), pp. 18-32; 
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Cesar, P.F., Yoshimura, H.N., Miranda Jr., W.G., Okada, C.Y., Correlation between fracture toughness and leucite content in dental porcelains (2005) Journal of Dentistry, 33 (9), pp. 721-729. , DOI 10.1016/j.jdent.2005.02.001, PII S0300571205000503; 
Griggs, J.A., Kishen, A., Le, K.N., Mechanism of strength increase for a hydrothermal porcelain (2003) Dent Mater, 19, pp. 625-631; 
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Sinmazisik, G., Ove{\c c}oglu, M.L., Physical properties and microstructural characterization of dental porcelains mixed with distilled water and modeling liquid (2006) Dent Mater, 22, pp. 735-745; 
Zhang, Y., Griggs, J.A., Benham, A.W., Influence of powder/liquid mixing ratio on porosity and translucency of dental porcelains (2004) Journal of Prosthetic Dentistry, 91 (2), pp. 128-135. , DOI 10.1016/j.prosdent.2003.10.014; 
Griggs, J.A., Thompson, J.Y., Anusavice, K.J., Effects of flaw size and auto-glaze treatment on porcelain strength (1996) Journal of Dental Research, 75 (6), pp. 1414-1417; 
Dos Santos, J.G., Fonseca, R.G., Adabo, G.L., Dos Santos Cruz, C.A., Shear bond strength of metal-ceramic repair systems (2006) J Prosthet Dent, 96, pp. 165-173; 
Galiatsatos, A.A., An indirect repair technique for fractured metal-ceramic restorations: A clinical report (2005) Journal of Prosthetic Dentistry, 93 (4), pp. 321-323. , DOI 10.1016/j.prosdent.2004.12.018; 
Fleming, G.J., Shaini, F.J., Marquis, P.M., An assessment of the influence of mixing induced variability on the bi-axial flexure strength of dentine porcelain discs and the implications for laboratory testing of porcelain specimens (2000) Dent Mater, 16, pp. 114-119; 
Palin, W.M., Fleming, G.J.P., Marquis, P.M., An evaluation of the technique sensitivity of a hydrothermal low-fusing dental ceramic (2001) Journal of Dentistry, 29 (6), pp. 443-449. , DOI 10.1016/S0300-5712(01)00039-2, PII S0300571201000392; 
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},
	month = {2011///},
	pages = {308 - 314},
	abstract = {Statement of problem. One-step and incremental mixing procedures are currently used to produce dental ceramic pastes. In the ceramic industry, high quality is obtained using one-step mixing, but in dentistry, the best method has not been yet determined. Purpose. The purpose of this study is to evaluate the effects of 2 mixing techniques on the biaxial flexural strength and microstructure of dental porcelain. Material and methods. Feldspathic porcelain discs (2 {\texttimes} 15 mm in diameter) were produced and divided according to the ceramic paste preparation method, powder-liquid incremental mixing group (n=50) or one-step mixing, as a control group (n=50). Specimens were tested for biaxial flexural strength and characterized using porosimetry, relative humidity, SEM/EDS, XRD, and FT-IR analyses. Statistical analysis was conducted using Weibull statistics. The Weibull modulus, characteristic strength and relative humidity were compared between groups, using Student{\textquoteright}s t-test and Mann-Whitney U test (α=.05). Results. The powder-liquid incremental mixing group showed significantly higher values (SD) of Weibull modulus (6.74 (0.70), P<.001) and characteristic strength (79.87 (2.01) MPa, P<.001) when compared to the one-step mixing group (4.94 (0.94) and 75.95 (2.61) MPa). Significantly lower mean (SD) relative humidity values (P=.009) were found for powder-liquid incremental mixing group (20\% (0.5\%)) compared to one-step mixing group (22\% (1\%)). XRD spectra showed that the one-step mixing group produced higher amounts of the amorphous phase. Conclusions. Specimens produced by the incremental mixing technique showed higher biaxial flexural strength than one-step mixing. {\textcopyright} 2011 The Editorial Council of the Journal of Prosthetic Dentistry.},
	keywords = {article, chemistry, comparative study, Complex Mixtures, Crowns, dental care, Dental Porcelain, Dental Prosthesis Design, Dental Stress Analysis, Dental Veneers, denture, drug mixture, evaluation, materials testing, pliability, tooth crown, tooth prosthesis},
	isbn = {00223913 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79955604181\&partnerID=40\&md5=53c0732c254214b4a53e3222fe89f4a0},
	author = {Pelaez-Vargas, A. and Dussan, J.A. and Restrepo-Tamayo, L.F. and Paucar, C. and Ferreira, J.A. and Monteiro, F.J.}
}
@article {2240,
	title = {Gene delivery into mesenchymal stem cells: A biomimetic approach using rgd nanoclusters based on poly(amidoamine) dendrimers},
	journal = {BiomacromoleculesBiomacromolecules},
	volume = {12},
	year = {2011},
	note = {Cited By (since 1996): 10Export Date: 21 November 2012Source: ScopusCODEN: BOMAFdoi: 10.1021/bm1012647PubMed ID: 21210673Language of Original Document: EnglishCorrespondence Address: Tom{\'a}s, H.; CQM-Centro de Qu{\'\i}mica da Madeira, MMRG, Universidade da Madeira, 9000-390 Funchal, Portugal; email: lenat@uma.ptChemicals/CAS: arginylglycylaspartic acid, 99896-85-2; firefly luciferase, 61970-00-1; Dendrimers; Oligopeptides; Poly(amidoamine); Polyamines; arginyl-glycyl-aspartic acid, 99896-85-2References: Pierschbacher, M.D., Ruoslahti, E., (1984) Nature, 309, pp. 30-33;Ruoslahti, E., (1996) Annu. Rev. Cell Dev. Biol., 12, pp. 697-715; 
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},
	month = {2011///},
	pages = {472 - 481},
	abstract = {Poly(amidoamine) dendrimers (generations 5 and 6) with amine termini were conjugated with peptides containing the arginine-glycine-aspartic acid (RGD) sequence having in view their application as gene delivery vectors. The idea behind the work was to take advantage of the cationic nature of dendrimers and of the integrin targeting capabilities of the RGD motif to improve gene delivery. Dendrimers were used as scaffolds for RGD clustering and, by controlling the number of peptides (4, 8, and 16) linked to each dendrimer, it was possible to evaluate the effect of RGD density on the gene delivery process. The new vectors were characterized in respect to their ability to neutralize and compact plasmid DNA (pDNA). The complexes formed by the vectors and pDNA were studied concerning their size, zeta potential, capacity of being internalized by cells and ability of transferring genes. Transfection efficiency was analyzed, first, by using a pDNA encoding for Enhanced Green Fluorescent Protein and Firefly Luciferase and, second, by using a pDNA encoding for Bone Morphogenetic Protein-2. Gene expression in mesenchymal stem cells was enhanced using the new vectors in comparison to native dendrimers and was shown to be dependent on the electrostatic interaction established between the dendrimer moiety and the cell surface, as well as on the RGD density of nanoclusters. The use of dendrimer scaffolds for RGD cluster formation is a new approach that can be extended beyond gene delivery applications, whenever RGD clustering is important for modulating cellular responses. {\textcopyright} 2011 American Chemical Society.},
	keywords = {Amino Acid Sequence, Amino acids, animal cell, animal experiment, Animals, Arginine-glycine-aspartic acids, arginylglycylaspartic acid, article, Biomimetics, bone morphogenetic protein 2, Bone morphogenetic protein-2, Cell culture, Cell membranes, cell surface, Cell surfaces, cell survival, Cellular response, Cluster formations, Complexation, controlled study, dendrimer, Dendrimers, Electrostatic interactions, electrostatic precipitation, Encoding (symbols), Enhanced green fluorescent protein, Firefly luciferase, Functional polymers, Gene delivery, Gene delivery vectors, gene expression, gene targeting, Gene therapy, Gene transfer, Gene Transfer Techniques, gene vector, integrin, Integrins, male, Mesenchymal stem cell, Mesenchymal Stem Cells, Molecular Structure, Nanoclusters, Nanostructures, New approaches, nonhuman, Oligopeptides, Organic acids, Peptides, plasmid DNA, Plasmid DNA (pDNA), polyamidoamine, Polyamidoamine dendrimers, Polyamines, priority journal, rat, Rats, Rats, Wistar, RGD motif, Scaffolds, Stem cells, Structure-Activity Relationship, Targeting capability, Transfection efficiency, Vectors, Zeta potential},
	isbn = {15257797 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79951658350\&partnerID=40\&md5=a3ef0b57d12de8efb52ba2bf445be126},
	author = {Pandita, D. and Santos, J.L. and Rodrigues, J. and P{\^e}go, A.P. and Granja, P.L. and Tom{\'a}s, H.}
}
@article {2232,
	title = {Interactions of leukocytes and platelets with poly(lysine/leucine) immobilized on tetraethylene glycol-terminated self-assembled monolayers},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {7},
	year = {2011},
	note = {Cited By (since 1996): 3Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2011.01.013PubMed ID: 21237292Language of Original Document: EnglishCorrespondence Address: Martins, M. C. L.; Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomateriais, Universidade Do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: cmartins@ineb.up.ptChemicals/CAS: heparin, 37187-54-5, 8057-48-5, 8065-01-8, 9005-48-5; leucine, 61-90-5, 7005-03-0; polylysine, 25104-18-1, 25988-63-0, 33960-24-6, 38000-06-5, 73565-56-7; Ethylene Glycol, 107-21-1; Imidazoles; Immobilized Proteins; N,N-carbonyldiimidazole, 530-62-1; Polyethylene Glycols; Polylysine, 25104-18-1; ProteinsReferences: Dailey, J., (1998) Blood, , 2nd ed. Ipswich (MA, USA): Medical Consulting Group;Section V: Chronic intermittent haemodialysis and prevention of clotting in the extracorporal system (2002) Nephrol Dial Transplant, 17 (SUPPL. 7), pp. 63-71. , European Best Practice Guidelines Working Group; 
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},
	month = {2011///},
	pages = {1949 - 1955},
	abstract = {Surfaces that bind heparin are important for biomaterials for blood deheparinization. In our recent work it was demonstrated that a polypeptide composed of l-lysine and l-leucine (pKL), after immobilization onto tetra(ethylene glycol) terminated self-assembled monolayers (EG4-SAMs), can bind heparin from blood plasma in a selective, concentration-dependent way. During this work the effect of this peptide on platelet adhesion and activation and leukocyte adhesion was studied. The surface charge of these nanostructured surfaces was evaluated in order to correlate the effect of positively charged amine groups and hydrophobic methyl groups on the behavior of platelets and leukocyte adhesion. The results demonstrated that the presence of pKL decreased leukocyte adhesion to EG4-SAMs at all concentrations used. This effect is even more pronounced when surfaces were pre-immersed in heparinized plasma. In contrast, there is an increase in platelet adhesion and activation with increased percentage immobilized pKL. This effect is enhanced when surfaces were pre-immersed in heparinized plasma. However, adsorbed pKL in very low amounts does not induce platelet adhesion and activation compared with EG4, even when pre-immersed in plasma. Since only low pKL amounts are necessary to induce heparin selectivity, these results are promising for the development of heparin-binding biomaterials for blood deheparinization. {\textcopyright} 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.},
	keywords = {article, Blood Platelets, Cell Communication, Cell Shape, Ethylene Glycol, heparin, heparin binding protein, Humans, hydrophobicity, Imidazoles, Immobilized Proteins, leucine, leukocyte, leukocyte adherence, Leukocytes, methyl group, nanomaterial, plasma, Platelet Adhesiveness, Platelets, Polyethylene Glycols, polylysine, polypeptide, priority journal, Proteins, self assembled monolayer, Self-assembled monolayers, static electricity, Surface charge, Surface Properties, Tetra, thrombocyte, thrombocyte adhesion},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79953868334\&partnerID=40\&md5=2cb5b44223fe6e8106b513b80689103d},
	author = {Martins, M.C.L. and Ochoa-Mendes, V. and Ferreira, G. and Barbosa, J.N. and Curtin, S.A. and Ratner, B.D. and Barbosa, M.A.}
}
@article {2231,
	title = {Molecular recognition force spectroscopy: A new tool to tailor targeted nanoparticles},
	journal = {SmallSmall},
	volume = {7},
	year = {2011},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: Scopusdoi: 10.1002/smll.201002074Language of Original Document: EnglishCorrespondence Address: P{\^e}go, A. P.; INEB-Instituto de Engenharia Biom{\'e}dica, Divis̃o de Biomateriais, Universidade do Porto, Rua do Campo Alegre 823, 4150-180 Porto, Portugal; email: apego@ineb.up.ptReferences: Verma, I.M., Weitzman, M.D., (2005) Annu. Rev. Biochem., 74, pp. 711-738;Midoux, P., Breuzard, G., Gomez, J.P., Pichon, C., (2008) Curr. Gene Ther., 8, pp. 335-352; 
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},
	month = {2011///},
	pages = {1236 - 1241},
	abstract = {The density of targeting moieties in a nanoparticle-based gene-delivery system has been shown to play a fundamental role in its vectoring performance. Here, molecular recognition force spectroscopy is proposed as a novel screening tool to optimize the density of targeting moieties of functionalized nanoparticles towards attaining cell-specific interaction. By tailoring the nanoparticle formulation, the unbinding event probability between nanoparticles tethered to an atomic force microscopy tip and neuronal cells is directly correlated to the nanoparticle gene-vectoring capacity. Additionally, new insights into protein-receptor interaction are revealed. This novel approach opens new avenues in the field of nanomedicine. A novel screening tool is described to optimize the density of targeting moieties of functionalized nanoparticles towards attaining cell-specific interaction. The unbinding event probability between nanoparticles tethered to an atomic force microscopy tip and neuronal cells is directly correlated to the nanoparticle gene-vectoring capacity. {\textcopyright} 2011 WILEY-VCH Verlag GmbH \& Co. KGaA, Weinheim.},
	keywords = {article, Atomic force microscopy, Atomic spectroscopy, atomic-force microscopy, chemistry, Event probability, Force spectroscopy, Functionalized nanoparticles, gene technology, Gene-delivery systems, Genes, Medical nanotechnology, medicine, methodology, Microscopy, Atomic Force, Molecular biology, Molecular recognition, molecular recognition force spectroscopy, Nanomedicines, nanoparticle, Nanoparticle formulation, nanoparticles, Nanotechnology, Neuronal cell, Optimization, Receptor interaction, Screening tool, Specific interaction, Targeted nanoparticle},
	isbn = {16136810 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79955561627\&partnerID=40\&md5=85fa523edfcd7a6e171a53820be7f230},
	author = {Oliveira, H. and Rangl, M. and Ebner, A. and Mayer, B. and Hinterdorfer, P. and P{\^e}go, A.P.}
}
@article {2239,
	title = {Non-viral gene delivery to mesenchymal stem cells: Methods, strategies and application in bone tissue engineering and regeneration},
	journal = {Current Gene TherapyCurr. Gene Ther.},
	volume = {11},
	year = {2011},
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},
	month = {2011///},
	pages = {46 - 57},
	abstract = {Mesenchymal stem cells (MSCs) can be isolated from several tissues in the body, have the ability to selfrenewal, show immune suppressive properties and are multipotent, being able to generate various cell types. At present, due to their intrinsic characteristics, MSCs are considered very promising in the area of tissue engineering and regenerative medicine. In this context, genetic modification can be a powerful tool to control the behavior and fate of these cells and be used in the design of new cellular therapies. Viral systems are very effective in the introduction of exogenous genes inside MSCs. However, the risks associated with their use are leading to an increasing search for non-viral approaches to attain the same purpose, even if MSCs have been shown to be more difficult to transfect in this way. In the past few years, progress was made in the development of chemical and physical methods for non-viral gene delivery. Herein, an overview of the application of those methods specifically to MSCs is given and their use in tissue engineering and regenerative medicine therapeutic strategies highlighted using the example of bone tissue. Key issues and future directions in non-viral gene delivery to MSCs are also critically addressed. {\textcopyright} 2011 Bentham Science Publishers Ltd.},
	keywords = {Animals, article, artificial chromosome, Bone and Bones, Bone Regeneration, bone tissue, Bone tissue engineering, cell based gene therapy, dendrimer, ex vivo gene transfer, Gene delivery, gene targeting, Gene therapy, Gene Transfer Techniques, gene vector, genetic transfection, human, Humans, in vivo gene transfer, liposome, Mesenchymal stem cell, Mesenchymal Stem Cells, nanomedicine, nanoparticle, Non-viral vectors, nonhuman, nonviral gene delivery system, polymer, protein expression, Regeneration, Regenerative Medicine, Tissue engineering, Tissue regeneration},
	isbn = {15665232 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79951686783\&partnerID=40\&md5=c9cc095fac56b04808553b19fd1f5f48},
	author = {Santos, J.L. and Pandita, D. and Rodrigues, J. and P{\^e}go, A.P. and Granja, P.L. and Tom{\'a}s, H.}
}
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},
	month = {2011///},
	pages = {94 - 106},
	abstract = {A new algorithm is proposed for the semi-automatic segmentation of the near-end and the far-end adventitia boundary of the common carotid artery in ultrasound images. It uses the random sample consensus method to estimate the most significant cubic splines fitting the edge map of a longitudinal section. The consensus of the geometric model (a spline) is evaluated through a new gain function, which integrates the responses to different discriminating features of the carotid boundary: the proximity of the geometric model to any edge or to valley shaped edges; the consistency between the orientation of the normal to the geometric model and the intensity gradient; and the distance to a rough estimate of the lumen boundary.A set of 50 longitudinal B-mode images of the common carotid and their manual segmentations performed by two medical experts were used to assess the performance of the method. The image set was taken from 25 different subjects, most of them having plaques of different classes (class II to class IV), sizes and shapes.The quantitative evaluation showed promising results, having detection errors similar to the ones observed in manual segmentations for 95\% of the far-end boundaries and 73\% of the near-end boundaries. {\textcopyright} 2011 Elsevier Ireland Ltd.},
	keywords = {Algorithms, article, B scan, B-mode images, Carotid, carotid artery, Carotid Artery Diseases, Carotid Artery, Common, Class II, clinical article, Common carotid artery, Cubic spline, Detection error, echography, Edge map, Female, Gain function, Geometric models, Geometry, human, Humans, Image Interpretation, Computer-Assisted, image processing, Image segmentation, Image sets, Intensity gradients, Longitudinal section, male, Manual segmentation, mathematical model, Medical experts, Medical imaging, Non-linear smoothing, Pattern Recognition, Automated, quantitative analysis, Quantitative evaluation, random sample, Random sample consensus, RANSAC, Semi-automatic segmentation, Splines, Ultrasonic applications, Ultrasonics, Ultrasonography, Ultrasound image, Ultrasound images},
	isbn = {01692607 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-78650679026\&partnerID=40\&md5=8bc951c3b232b4b7dd95eea0fc8671ef},
	author = {Rocha, R. and Campilho, A. and Silva, J. and Azevedo, E. and Santos, R.}
}
@article {2260,
	title = {Analysis of heart rate variability in a rat model of induced pulmonary hypertension},
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	volume = {32},
	year = {2010},
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},
	month = {2010///},
	pages = {746 - 752},
	abstract = {Monocrotaline (MCT) is commonly used to experimentally induce pulmonary hypertension (PH), which might lead to chronic heart failure. In this study, linear and non-linear heart rate (HR) dynamics were weekly assessed in MCT-treated and non-treated Wistar rats.The HR of 10 adult Wistar rats injected with MCT (MCT group) and of 10 similar rats injected with vehicle (non-MCT group), anesthetized with Ketamine, was weekly recorded during 4 weeks. The first four segments of 1-min length of each HR recording were analysed using linear, time and frequency domains, and approximate (ApEn) and sample (SampEn) entropy indices, considering recently proposed values for the threshold parameter of ApEn and SampEn. Statistical analysis was performed using 95\% confidence intervals and statistical tests.Along the study period, an overall weekly maintenance of HR indices, or a decrease, namely in weeks 1-2, was manifest, in the MCT group, except for LF and LF/HF, in week 1, denoting a short-term increase in sympathetic activity without any other changes. On the other hand, a maintenance of HR indices, or an increase, namely on week 4, was observed in the non-MCT group, except for LF/HF, denoting a long-term increase of the overall activity of HR control systems, with a parasympathetic like dominance.Studies on long-term HR dynamics should be performed in very carefully controlled experimental settings, as significant weekly changes may occur, both among anesthetized MCT-treated and non-treated rats. {\textcopyright} 2010 IPEM.},
	keywords = {adrenergic activity, Amines, animal experiment, animal model, Animals, article, cholinergic activity, Chronic heart failures, Confidence interval, controlled study, Disease Models, Animal, Electrocardiography, entropy, Female, Frequency domain analysis, Frequency domains, Heart, heart electrophysiology, Heart rate, Heart rate variability, Heart rate variability (HRV), Heart rates, Hypertension, Pulmonary, Injections, Subcutaneous, Ketamine, Maintenance, Monocrotaline, Non-linear, nonhuman, priority journal, Pulmonary hypertension, rat, Rat model, Rats, Rats, Wistar, Statistical analysis, statistical parameters, Sympathetic activities, Threshold parameters, Time and frequency domain analysis, Time domain analysis, Time Factors, Wistar rat, Wistar rats},
	isbn = {13504533 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77955279673\&partnerID=40\&md5=5fa2879d821f37e48f50a723fa1cb225},
	author = {Gon{\c c}alves, H. and Henriques-Coelho, T. and Bernardes, J. and Rocha, A.P. and Brand{\~a}o-Nogueira, A. and Leite-Moreira, A.}
}
@article {2284,
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},
	month = {2010///},
	pages = {181 - 190},
	abstract = {Phase separation of PLLA/PS (50/50, w/w) solutions during a spin-casting process gives rise to well-defined nanotopographies of 14, 29 and 45. nm deep pits depending on the concentration of the solution. Their influence on the biological activity of fibronectin (FN) was investigated. FN adsorption was quantified by radiolabelling the protein. The amount of adsorbed FN was higher on the 14. nm deep pit nanotopography than on the other two surfaces. FN distribution between valleys and peaks was investigated by AFM combined with image analysis. FN tends to adsorb preferentially on the valleys of the nanotopography only for the 14. nm system and when adsorbed from solutions of concentration lower than 10μg/ml. Higher concentration of the FN solution leads to evenly distribution of the protein throughout the surface; moreover, there is no difference in the distribution of the protein between valleys and peaks for the other two systems (29 and 45. nm) irrespective of the concentration of the FN solution. The biological activity of the adsorbed protein layer was assessed by investigating MC3T3 osteoblast-like cells adhesion, FN reorganisation and late matrix formation on the different substrates. Even if initial cell adhesion is excellent for every substrate, the size of the focal adhesion plaques increases as the size of the pits in the nanotopography does. This is correlated to FN reorganisation, which only takes places on the 29 and 45. nm deep pits surfaces, where enhanced late matrix production was also found. {\textcopyright} 2010 Elsevier B.V.},
	keywords = {3T3 Cells, Adhesion, Adsorption, AFM, animal cell, Animals, article, Atomic force microscopy, Bioactivity, Biological activities, biological activity, Casting process, cell adhesion, Cell Line, concentration (parameters), Concentration (process), Concentration of, Deep pit, Different substrates, Electric currents, extracellular matrix, Fibronectin, Fibronectin adsorption, Fibronectins, focal adhesion, Focal adhesion plaques, Focal adhesions, Humans, Image analysis, Image Processing, Computer-Assisted, isotope labeling, Landforms, matrix, Matrix formation, Mice, Microscopy, Atomic Force, nanomaterial, Nanoscale topography, Nanotechnology, Nanotopographies, Nanotopography, nonhuman, osteoblast, Osteoblast-like cells, Osteoblasts, Phase separation, polylactic acid, polystyrene, priority journal, Protein adsorption, Protein layers, protein localization, Proteins, Radiolabelling, Reorganisation, Substrates, Surface Properties},
	isbn = {09277765 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77950863692\&partnerID=40\&md5=7fe3bdcc0f69cb64fb3ba7e86fe7a80a},
	author = {Gonz{\'a}lez-Garc{\'\i}a, C. and Sousa, S.R. and Moratal, D. and Rico, P. and Salmer{\'o}n-S{\'a}nchez, M.}
}
@article {2278,
	title = {Functionalization of poly(amidoamine) dendrimers with hydrophobic chains for improved gene delivery in mesenchymal stem cells},
	journal = {Journal of Controlled ReleaseJ. Control. Release},
	volume = {144},
	year = {2010},
	note = {Cited By (since 1996): 28Export Date: 21 November 2012Source: ScopusCODEN: JCREEdoi: 10.1016/j.jconrel.2010.01.034PubMed ID: 20138937Language of Original Document: EnglishCorrespondence Address: Tom{\'a}s, H.; CQM - Centro de Qu{\'\i}mica da Madeira, MMRG, Departamento de Qu{\'\i}mica, Universidade da Madeira, Campus Universit{\'a}rio da Penteada, 9000-390 Funchal, Portugal; email: lenat@uma.ptChemicals/CAS: lipid, 66455-18-3; nuclease, 9026-81-7; Cations; DNA, 9007-49-2; Dendrimers; Lipids; PAMAM StarburstReferences: Segura, T., Shea, L.D., Materials for non-viral gene delivery (2001) Annu. Rev. Mat. Res., 31, pp. 25-46;Mastrobattista, E., Bravo, S.A., van der Aa, M., Crommelin, D.J.A., Nonviral gene delivery systems: from simple transfection agents to artificial viruses (2005) Drug Discov. Today Technol., 2, pp. 103-109; 
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},
	month = {2010///},
	pages = {55 - 64},
	abstract = {A new family of gene delivery vectors is synthesized consisting of a medium-size generation PAMAM dendrimer (generation 5, with amine termini) core randomly linked at the periphery to hydrophobic chains that vary in length (12 to 16 carbon alkyl chains) and number (from 4.2 to 9.7 in average). The idea subjacent to the present work is to join the advantages of the cationic nature of the dendrimer with the capacity of lipids to interact with biological membranes. Unlike other amphiphilic systems designed for the same purpose, where the hydrophobic and hydrophilic moieties coexist in opposite sides, the present vectors have a hydrophilic interior and a hydrophobic corona. The vectors are characterized in respect to their ability to neutralize, bind and compact plasmid DNA (pDNA). The complexes formed between the vectors and pDNA are analyzed concerning their size, ζ-potential, resistance to serum nucleases, capacity of being internalized by cells and transfection efficiency. These new vectors show a remarkable capacity for mediating the internalization of pDNA with minimum cytotoxicity, being this effect positively correlated with the -CH                        2- content present in the hydrophobic corona. Gene expression in MSCs, a cell type with relevancy in the regenerative medicine clinical context, is also enhanced using the new vectors but, in this case, the higher efficiency is shown by the vectors containing the smallest hydrophobic chains. {\textcopyright} 2010 Elsevier B.V.
},
	keywords = {amphophile, animal cell, animal experiment, article, Biological membranes, Biomedical applications, cation, Cations, Cell culture, cell membrane transport, cell type, Cellular uptake, controlled study, Cytotoxicity, dendrimer, Dendrimers, DNA, DNA binding, Dyes, Functional polymers, Gene delivery, gene delivery system, gene expression, Gene therapy, Gene transfer, Gene Transfer Techniques, gene vector, Genes, genetic transfection, Genetic Vectors, Humans, Hydrocarbons, hydrophilicity, hydrophobicity, internalization, lipid, Lipids, male, Mesenchymal stem cell, Mesenchymal Stem Cells, nonhuman, nuclease, Nucleic acids, plasmid DNA, Plasmids, Poly(amidoamine) dendrimers, polyamidoamine, Polyamidoamine dendrimers, priority journal, rat, Regenerative Medicine, Stem cells, Transfection, Vectors, Zeta potential},
	isbn = {01683659 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77953239685\&partnerID=40\&md5=51dd40fc4a666fd362b5eaa2447703dd},
	author = {Santos, J.L. and Oliveira, H. and Pandita, D. and Rodrigues, J. and P{\^e}go, A.P. and Granja, P.L. and Tom{\'a}s, H.}
}
@article {2266,
	title = {An improved collagen scaffold for skeletal regeneration},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {94},
	year = {2010},
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Teixeira, C.C., Nemelivsky, Y., Karkia, C., Legeros, R.Z., Biphasic calcium phosphate: A scaffold for growth plate chondrocyte maturation (2006) Tissue Eng, 12, pp. 2283-2289; 
Oliveira, S.M., Turner, G., Mijares, D., Amaral, I.F., Barbosa, M.A., Teixeira, C.C., Engineering endochondral bone: In vivo studies (2009) Tissue Eng, 15, pp. 635-643; 
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De Bernard, B., Bianco, P., Bonucci, E., Costantini, M., Lunazzi, G.C., Martinuzzi, P., Modricky, C., Pollesello, P., Biochemical and immunohistochemical evidence that in cartilage an alkaline phosphatase is a Ca 2" - Binding glycoprotein (1986) J Cell Biol, 103, pp. 1615-1623; 
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Gerstenfeld, L.C., Cruceta, J., Shea, C.M., Sampath, K., Barnes, G.L., Einhorn, T.A., Chondrocytes provide morphogenic signals that selectively induce osteogenic differentiation of mesenchymal stem cells (2002) Journal of Bone and Mineral Research, 17 (2), pp. 221-230
},
	month = {2010///},
	pages = {371 - 379},
	abstract = {Bone repair and regeneration is one of the most extensively studied areas in the field of tissue engineering. All of the current tissue engineering approaches to create bone focus on intramembranous ossification, ignoring the other mechanism of bone formation, endochondral ossification. We propose to create a transient cartilage template in vitro, which could serve as an intermediate for bone formation by the endochondral mechanism once implanted in vivo. The goals of the study are (1) to prepare and characterize type I collagen sponges as a scaffold for the cartilage template, and (2) to establish a method of culturing chondrocytes in type I collagen sponges and induce cell maturation. Collagen sponges were generated from a 1\% solution of type I collagen using a freeze/dry technique followed by UV light crosslinking. Chondrocytes isolated from two locations in chick embryo sterna were cultured in these sponges and treated with retinoic acid to induce chondrocyte maturation and extracellular matrix deposition. Material strength testing as well as microscopic and biochemical analyzes were conducted to evaluate the properties of sponges and cell behavior during the culture period. We found that our collagen sponges presented improved stiffness and supported chondrocyte attachment and proliferation. Cells underwent maturation, depositing an abundant extracellular matrix throughout the scaffold, expressing high levels of type X collagen, type I collagen and alkaline phosphatase. These results demonstrate that we have created a transient cartilage template with potential to direct endochondral bone formation after implantation. {\textcopyright} 2010 Wiley Periodicals, Inc.},
	keywords = {alkaline phosphatase, animal cell, animal tissue, Animals, article, Biocompatible Materials, Body fluids, Bone, Bone and Bones, Bone Regeneration, Cartilage, cartilage cell, Cattle, Cell culture, cell maturation, chick embryo, Chondrocytes, Collagen, collagen implant, collagen type 1, collagen type 10, Compressive Strength, controlled study, embryo, enchondral ossification, Endochondral ossification, extracellular matrix, freeze drying, Humans, immunohistochemistry, Ligaments, materials testing, Microscopy, Electron, Scanning, nonhuman, Phosphatases, protein cross linking, Protein Isoforms, retinoic acid, Scaffolds, Scanning electron microscopy, Stress, Mechanical, Tissue engineering, tissue scaffold, Type I collagen, Type X collagen, Ultraviolet radiation},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77953822519\&partnerID=40\&md5=b16072278467a72588546ba56f337cc0},
	author = {Oliveira, S.M. and Ringshia, R.A. and Legeros, R.Z. and Clark, E. and Yost, M.J. and Terracio, L. and Teixeira, C.C.}
}
@article {2248,
	title = {Influence of crystallite size of nanophased hydroxyapatite on fibronectin and osteonectin adsorption and on MC3T3-E1 osteoblast adhesion and morphology},
	journal = {Journal of Colloid and Interface ScienceJ. Colloid Interface Sci.},
	volume = {351},
	year = {2010},
	note = {Cited By (since 1996): 12Export Date: 21 November 2012Source: ScopusCODEN: JCISAdoi: 10.1016/j.jcis.2010.08.013PubMed ID: 20810127Language of Original Document: EnglishCorrespondence Address: Ribeiro, N.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomateriais, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: nribeiro@ineb.up.ptChemicals/CAS: fibronectin, 86088-83-7; hydroxyapatite, 1306-06-5, 51198-94-8; osteonectin, 104052-78-0; protein, 67254-75-5; Ceramics; Durapatite, 1306-06-5; Fibronectins; OsteonectinReferences: Griffith, L.G., Naughton, G., (2002) Science, 295, p. 1009;Webster, T.J., Ergun, C., Doremus, R.H., Siegel, R.W., Bizios, R., (2000) J. Biomed. Mater. Res., 51, pp. 475-483; 
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Sousa, S.R., Moradas-Ferreira, P., Barbosa, M.A., (2005), pp. 1173-1178. , TiO2 type influences fibronectin adsorption, in: 19th Conference of the European-Society-for-Biomaterials, Springer, Sorrento, ItalyGoldstein, A.S., DiMilla, P.A., (2002) J. Biomed. Mater. Res., 59, pp. 665-675; 
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},
	month = {2010///},
	pages = {398 - 406},
	abstract = {The characteristic topographical features (crystallite dimensions, surface morphology and roughness) of bioceramics may influence the adsorption of proteins relevant to bone regeneration. This work aims at analyzing the influence of two distinct nanophased hydroxyapatite (HA) ceramics, HA725 and HA1000 on fibronectin (FN) and osteonectin (ON) adsorption and MC3T3-E1 osteoblast adhesion and morphology. Both substrates were obtained using the same hydroxyapatite nanocrystals aggregates and applying the sintering temperatures of 725{\textdegree}C and 1000{\textdegree}C, respectively. The two proteins used in this work, FN as an adhesive glycoprotein and ON as a counter-adhesive protein, are known to be involved in the early stages of osteogenesis (cell adhesion, mobility and proliferation). The properties of the nanoHA substrates had an important role in the adsorption behavior of the two studied proteins and clearly affected the MC3T3-E1 morphology, distribution and metabolic activity. HA1000 surfaces presenting slightly larger grain size, higher root-mean-square roughness (Rq), lower surface area and porosity, allowed for higher amounts of both proteins adsorbed. These substrates also revealed increased number of exposed FN cell-binding domains as well as higher affinity for osteonectin. Regarding the osteoblast adhesion results, improved viability and cell number were found for HA1000 surfaces as compared to HA725 ones, independently of the presence or type of adsorbed protein. Therefore the osteoblast adhesion and metabolic activity seemed to be more sensitive to surfaces morphology and roughness than to the type of adsorbed proteins. {\textcopyright} 2010 Elsevier Inc.},
	keywords = {Adhesion, Adhesive proteins, Adsorption, Adsorption behavior, Animals, Apatite, article, Bioceramics, Biological materials, Biomaterials, bone development, Bone Regeneration, cell adhesion, Cell Count, cell metabolism, cell motility, Cell number, cell proliferation, cell strain 3T3, cell structure, Cell-binding domain, Cells, Cultured, cellular distribution, ceramics, controlled study, Crystallite dimension, Crystallite size, Crystallization, Durapatite, Fibronectin, Fibronectin adsorption, Fibronectins, glycoprotein, grain, Grain size, human, human cell, hydroxyapatite, Hydroxyapatite nanocrystals, MC3T3-E1, Metabolic activity, metabolism, Mice, morphology, Nano-HA, nanocrystal, nanoparticles, Nanophased hydroxyapatite, osteoblast, Osteoblast adhesion, Osteoblast morphology, Osteoblasts, Osteogenesis, osteonectin, Osteonectin adsorption, Particle Size, porosity, priority journal, protein, Proteins, Root mean square roughness, Sintering, Sintering temperatures, Surface area, Surface Properties, surface property, Surface roughness, temperature, Topographical features},
	isbn = {00219797 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77957328472\&partnerID=40\&md5=c4a13ccec89e04dbfe1920fd42fec3f5},
	author = {Ribeiro, N. and Sousa, S.R. and Monteiro, F.J.}
}
@book {2249,
	title = {Monitoring incremental histogram distribution for change detection in data streams},
	series = {Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)Lect. Notes Comput. Sci.},
	volume = {5840 LNCS},
	year = {2010},
	note = {Conference code: 81882Cited By (since 1996): 1Export Date: 21 November 2012Source: Scopusdoi: 10.1007/978-3-642-12519-5_2Language of Original Document: EnglishCorrespondence Address: Sebasti{\~a}o, R.; LIAAD, INESC Porto, L.A. Rua de Ceuta, 118, 6, Porto 4050-190, Portugal; email: raquel@liaad.up.ptReferences: Ayres-De-Campos, D., Sousa, P., Costa, A., Bernardes, J., Omniview-SisPorto{\textregistered} 3.5 - A central fetal monitoring station with online alerts based on computerized cardiotocogram+ST event analysis (2008) J. Perinat. Med., 36, pp. 260-264;Ayres-De-Campos, D., Bernardes, J., Garrido, A., Marques-De-{\'S}a, J., Pereira-Leite, L., SisPorto 2.0: A program for automated analysis of cardiotocograms (2000) J. Matern Fetal Med., 9, pp. 311-318; 
Barba{\'r}a, D., Requirements for clustering data streams (2002) SIGKDD Explorations (Special Issue on Online, Interactive and Anytime Data Mining), 3 (2), pp. 23-27; 
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Chabert, M., Ruiz, D., Tourneret, J.-Y., Optimal wavelet for abrupt change detection in multiplicative noise (2004) IEEE International Conference on Acoustics Speech and Signal Processing, pp. 1089-1092. , May 2004; 
Cormode, G., Garofalakis, M., Sketching probabilistic data streams (2007) Proceedings of the 2007 ACM SIGMOD International Conference on Management of Data, pp. 281-292. , June 2007; 
Correa, M., De, J., Raḿirez, M., Bielza, C., Pamies, J., Alique, J.R., Prediction of surface quality using probabilistic models (2007) 7th Congress of the Colombian Association of Automatic, Cali, Colombia, , March 21-24 Spanish; 
Dasu, T., Krishnan, S., Venkatasubramanian, S., Yi, K., An information-theoretic approach to detecting changes in multi-dimensional data streams (2006) Interface 2006, , Pasadena, CA Report; 
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Gama, J., Pinto, C., Discretization from data streams: Applications to histograms and data mining (2006) Proceedings of the 2006 ACM Symposium on Applied Computing, pp. 662-667; 
Goncalves, H., Bernardes, J., Paula Rocha, J.A., Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period (2007) Early Human Development, 83 (9), pp. 585-591; 
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Guha, S., Koudas, N., Shim, K., Approximation and streaming algorithms for histogram construction problems (2006) ACM Transactions on Database Systems (TODS), 31 (1), pp. 396-438; 
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Kifer, D., Ben-David, S., Gehrke, J., (2004) Detecting Change in Data Streams, pp. 180-191. , VLDB 2004: Proceedings of the 30th International Conference on Very Large Data Bases Morgan Kaufmann Publishers Inc., San Francisco; 
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Pinto, C., Gama, J., Incremental discretization, application to data with concept drift (2007) Proceedings of the 2007 ACM Symposium on Applied Computing, pp. 467-468. , March 2007; 
Sebastiao, R., Gama, J., Change detection in learning histograms from data streams (2007) Proceedings of Portuguese Conference on Artificial Intelligence, Guimar̃aes, Portugal, , December; 
Spinosa, E.J., Carvalho, A., Gama, J., OLINDDA: A cluster-based approach for detecting novelty and concept drift in data streams (2007) Proceedings of the 2007 ACM Symposium on Applied Computing, March 2007, pp. 448-452; 
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},
	month = {2010///},
	pages = {25 - 42},
	address = {Las Vegas, NV},
	abstract = {Histograms are a common technique for density estimation and they have been widely used as a tool in exploratory data analysis. Learning histograms from static and stationary data is a well known topic. Nevertheless, very few works discuss this problem when we have a continuous flow of data generated from dynamic environments. The scope of this paper is to detect changes from high-speed time-changing data streams. To address this problem, we construct histograms able to process examples once at the rate they arrive. The main goal of this work is continuously maintain a histogram consistent with the current status of the nature. We study strategies to detect changes in the distribution generating examples, and adapt the histogram to the most recent data by forgetting outdated data. We use the Partition Incremental Discretization algorithm that was designed to learn histograms from high-speed data streams. We present a method to detect whenever a change in the distribution generating examples occurs. The base idea consists of monitoring distributions from two different time windows: the reference window, reflecting the distribution observed in the past; and the current window which receives the most recent data. The current window is cumulative and can have a fixed or an adaptive step depending on the distance between distributions. We compared both distributions using Kullback-Leibler divergence, defining a threshold for change detection decision based on the asymmetry of this measure. We evaluated our algorithm with controlled artificial data sets and compare the proposed approach with nonparametric tests. We also present results with real word data sets from industrial and medical domains. Those results suggest that an adaptive window{\textquoteright}s step exhibit high probability in change detection and faster detection rates, with few false positives alarms. {\textcopyright} 2010 Springer-Verlag Berlin Heidelberg.},
	keywords = {Adaptive Cumulative Windows, Change detection, Data communication systems, Data reduction, Data stream, Data streams, Graphic methods, Learning histograms, Learning systems, Machine learning, Machine-learning, Monitoring, Monitoring data distribution, Sensors, signal detection, Statistical methods},
	isbn = {03029743 (ISSN); 3642125182 (ISBN); 9783642125188 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77957913416\&partnerID=40\&md5=ec0810650dda3c604d494473a9ffd649},
	author = {Sebasti{\~a}o, R. and Gama, J. and Rodrigues, P.P. and Bernardes, J.}
}
@article {2272,
	title = {Receptor-mediated gene delivery using PAMAM dendrimers conjugated with peptides recognized by mesenchymal stem cells},
	journal = {Molecular PharmaceuticsMol. Pharm.},
	volume = {7},
	year = {2010},
	note = {Cited By (since 1996): 17Export Date: 21 November 2012Source: Scopusdoi: 10.1021/mp9002877PubMed ID: 20230026Language of Original Document: EnglishCorrespondence Address: Balian, G.; Orthopaedic Research Laboratories, Department of Orthopaedics and Biochemistry and Molecular Genetics, University of Virginia Health System, Charlottesville, VA 22908, United States; email: lenat@uma.ptChemicals/CAS: Dendrimers; Green Fluorescent Proteins, 147336-22-9; PAMAM Starburst; Peptides; enhanced green fluorescent proteinReferences: V{\"a}{\"a}n{\"a}nen, H.K., Mesenchymal stem cells (2005) Ann. Med., 37, pp. 469-479;Caplan, A.I., Adult mesenchymal stem cells for tissue engineering versus regenerative medicine (2007) J. Cell Physiol., 213, pp. 341-347; 
Kay, M.A., Glorioso, J.C., Naldini, L., Viral vectors for gene therapy: The art of turning infectious agents into vehicles of therapeutics (2001) Nat. Med., 7, pp. 33-40; 
Mastrobattista, E., Bravo, S.A., Van Der Aa, M., Crommelin, D.J.A., Nonviral gene delivery systems: From simple transfection agents to artificial viruses (2005) Drug Discovery Today: Technol., 2, pp. 103-109; 
Merdan, T., Kopecek, J., Kissel, T., Prospects for cationic polymers in gene and oligonucleotide therapy against cancer (2002) Adv. Drug Delivery Rev., 54, pp. 715-758; 
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McMahon, J.M., Conroy, S., Lyons, M., Greiser, U., O{\textquoteright}Shea, C., Strappe, P., Howard, L., O{\textquoteright}Brien, T., Gene transfer into rat mesenchymal stem cells: A comparative study of viral and nonviral vectors (2006) Stem Cells Dev., 15, pp. 87-96; 
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Wood, K.C., Little, S.R., Langer, R., Hammond, P.T., A family of hierarchically self-assembling linear-dendritic hybrid polymers for highly efficient targeted gene delivery (2005) Angew. Chem., Int. Ed., 44, pp. 6704-6708; 
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Santos, J.L., Oliveira, H., Pandita, D., P{\^e}go, A.P., Granja, P.L., Tom{\'a}s, H., Functionalization of poly(amidoamine) dendrimers with hydrophobic chains for improved gene delivery in mesenchymal stem cells (2010) J. Controlled Release, , doi: 10.1016/j.jconrel.2010.01.034
},
	month = {2010///},
	pages = {763 - 774},
	abstract = {As mesenchymal stem cells (MSCs) can differentiate into multiple cell types, the delivery of exogenous genes to this type of cell can be an important tool in tissue regeneration and engineering. However transfection of MSCs using nonviral gene delivery vectors is difficult, the development of more efficient and safe DNA vehicles being necessary. Moreover, specific transfection of MSCs may be required to avoid unwanted side effects in other tissues. In this study, a novel family of gene delivery vectors based on poly(amidoamine) (PAMAM) dendrimers functionalized with peptides displaying high affinity toward MSCs was prepared. The vectors were characterized with respect to their ability to neutralize, bind and compact plasmid DNA (pDNA). The complexes formed between the vectors and pDNA were analyzed concerning their size, -potential, capacity of being internalized by cells and transfection efficiency. These new vectors exhibited low cytotoxicity, receptor-mediated gene delivery into MSCs and transfection efficiencies superior to those presented by native dendrimers and by partially degraded dendrimers. {\textcopyright} 2010 American Chemical Society.},
	keywords = {animal cell, animal experiment, animal tissue, Animals, article, asparaginylserylmethionylisoleucylalanylhistidylasparaginyllysylthreonylarginylmethionylhistidylglycylglycylglycylserylcysteine, Cell recognition, cell survival, Cells, Cultured, controlled study, Cytotoxicity, dendrimer, Dendrimers, DNA, DNA binding, Electrophoresis, Agar Gel, flow cytometry, Gene delivery, gene targeting, Gene Transfer Techniques, gene vector, genetic transfection, Genetic Vectors, Green Fluorescent Proteins, male, Mesenchymal stem cell, Mesenchymal Stem Cells, Models, Theoretical, multigene family, nonhuman, PAMAM dendrimers, peptide, Peptides, plasmid DNA, polyamidoamine, priority journal, rat, Rats, Rats, Wistar, serylglycylhistidylglutaminylleucylleucylleucylasparaginyllysylmethionylprolylasparaginylglycylglycylglycylserylcysteine, unclassified drug, Zeta potential},
	isbn = {15438384 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77953253240\&partnerID=40\&md5=e06048334c689e2faa61e7b6b8ad9bf1},
	author = {Santos, J.L. and Pandita, D. and Rodrigues, J. and P{\^e}go, A.P. and Granja, P.L. and Balian, G. and Tom{\'a}s, H.}
}
@article {2282,
	title = {Segmentation of the carotid intima-media region in B-mode ultrasound images},
	journal = {Image and Vision ComputingImage Vision Comput},
	volume = {28},
	year = {2010},
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Rocha, R., (2007) Image Segmentation and Reconstruction of 3D Surfaces from Carotid Ultrasound Images, , http://www.ineb.fe.up.pt/bmivic, Ph.D. thesis, Faculdade de Engenharia da Universidade do Porto, Porto July; 
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},
	month = {2010///},
	pages = {614 - 625},
	abstract = {This paper proposes a new approach for the segmentation of both near-end and far-end intima-media regions of the common carotid artery in ultrasound images. The method requires minimal user interaction and is able to segment the near-end wall in arteries with large, hypoechogenic and irregular plaques, issues usually not considered previously due to the increased segmentation difficulty. The adventitia is detected by searching for the best fit of a cubic spline to edges having features compatible with the adventitia boundary. The algorithm uses a global smoothness constraint and integrates discriminating features of the adventitia to reduce the attraction by other edges. Afterwards, using the information of the adventitia location, the lumen boundary is detected by combining dynamic programming, smooth intensity thresholding surfaces and geometric snakes. Smooth contours that correctly adapt to the intima are produced, even in the presence of deep concavities. Moreover, unlike balloon-based snakes, the propagation force does not depend on gradients and does not require a predefined direction. An extensive statistical evaluation is computed, using a set of 47 images from 24 different symptomatic patients, including several classes, sizes and shapes of plaques. Bland-Altman plots of the mean intima-media thickness, for manual segmentations of two medical experts, show a high intra-observer and inter-observer agreement, with mean differences close to zero (mean between -0.10 mm and 0.18 mm) and with the large majority of differences within the limits of agreement (standard deviation between 0.10 mm and 0.12 mm). Similar plots reveal a good agreement between the automatic and the manual segmentations (mean between -0.07 mm and 0.11 mm and standard deviation between 0.11 mm and 0.12 mm). {\textcopyright} 2009 Elsevier B.V. All rights reserved.},
	keywords = {Acoustic waves, B-mode ultrasound images, Best fit, Carotid, Common carotid artery, Cubic spline, Digital image storage, Dynamic programming, Edge detection, End-wall, Function evaluation, Geometric snake, Geometric snakes, Image segmentation, Intima-media thickness, Manual segmentation, Medical experts, New approaches, Smoothness constraints, Standard deviation, Statistical evaluation, statistics, Thresholding, Ultrasonics, Ultrasound image, Ultrasound images, User interaction},
	isbn = {02628856 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-74749094600\&partnerID=40\&md5=bf1945408da50912250acf34d647acc8},
	author = {Rocha, R. and Campilho, A. and Silva, J. and Azevedo, E. and Santos, R.}
}
@article {2246,
	title = {Simulation for teaching normal delivery and shoulder dystocia to midwives in training},
	journal = {Education for Health: Change in Learning and PracticeEduc. Health},
	volume = {23},
	year = {2010},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: EDHEFLanguage of Original Document: EnglishCorrespondence Address: Reynolds, A.; Simulation Centre, Department of Obstetrics and Gynaecology, Faculty of Medicine, University of PortoPortugalReferences: Wilford, A., Doyle, T.J., Integrating simulation training into the nursing curriculum (2006) British Journal of Nursing, 15 (17), pp. 926-930;Lichtman, R., Walker, D., Supporting Innovations in Midwifery Education (2003) Journal of Midwifery \& Women{\textquoteright}s Health, 48 (6), pp. 389-390; 
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Robertson, B., An Obstetric Simulation Experience in an Undergraduate Nursing Curriculum (2006) Nurse Educator, 31 (2), pp. 74-78
},
	month = {2010///},
	abstract = {Introduction and objective: The cognitive impact of using simulation sessions in midwifery training has not been the subject of previous research. The aim of this study was to compare the effect on students{\textquoteright} knowledge of a simulation session versus an image-based lecture, for teaching routine management of normal delivery and resolution of shoulder dystocia to midwives in training. Methods: Sixty students were enrolled three weeks after a "labour and delivery" class, and randomly assigned to two groups. Ten were subsequently excluded as they were not able to attend the whole session and/or did not complete the tests. In the simulation group (n=26), students were divided into pairs and attended a 30-minute hands-on session in the simulation centre. In the lecture group (n=24), students participated in a 30-minute image-based interactive lecture. A ten-question multiple-choice test was taken before (pre-test) and after (post-test) both sessions, to evaluate students{\textquoteright} knowledge of labour and delivery and shoulder dystocia. Learner satisfaction was evaluated by adding a six question Likert scale questionnaire to the post-test. Independent t-test, paired samples t-test, and Mann-Whitney test were used for statistical analysis, setting significance at p<0.05. Results: The simulation group showed a significantly higher mean post-test score (6.38 vs. 5.16; p=0.003) and a significantly greater inter-test score progression (p<0.0001). Overall learner satisfaction was also higher in this group (p=0.0001). Conclusions: A significantly higher short-term reinforcement of knowledge and greater learner satisfaction was obtained using simulation sessions compared to image-based lectures when teaching routine management of normal delivery and resolution of shoulder dystocia to midwives in training. {\textcopyright} A Reynolds, D Ayres-de-Campos, A Pereira-Cavaleiro, L Ferreira-Bastos, 2010.},
	keywords = {Labour and delivery, Midwifery training, Patient simulators, Shoulder dystocia},
	isbn = {13576283 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-78649771419\&partnerID=40\&md5=7696155b2470aa2113e2199cf3d7c28d},
	author = {Reynolds, A. and Ayres-de-Campos, D. and Pereira-Cavaleiro, A. and Ferreira-Bastos, L.}
}
@article {2285,
	title = {TNF-α regulates the effects of irradiation in the mouse bone marrow microenvironment},
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	volume = {5},
	year = {2010},
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},
	month = {2010///},
	abstract = {Background: Secondary bone marrow (BM) myelodysplastic syndromes (MDS) are increasingly common, as a result of radio or chemotherapy administered to a majority of cancer patients. Patients with secondary MDS have increased BM cell apoptosis, which results in BM dysfunction (cytopenias), and an increased risk of developing fatal acute leukemias. In the present study we asked whether TNF-α, known to regulate cell apoptosis, could modulate the onset of secondary MDS. Principal Findings:We show that TNF-α is induced by irradiation and regulates BM cells apoptosis in vitro and in vivo. In contrast to irradiated wild type (WT) mice, TNF-α deficient (TNF-α KO) mice or WT mice treated with a TNF-α-neutralizing antibody were partially protected from the apoptotic effects of irradiation. Next we established a 3-cycle irradiation protocol, in which mice were sub-lethally irradiated once monthly over a 3 month period. In this model, irradiated WT mice presented loss of microsatellite markers on BM cells, low white blood cell (WBC) counts, reduced megakaryocyte (MK) and platelet levels (thrombocytopenia) and macrocytic anemia, phenoypes that suggest the irradiation protocol resulted in BM dysfunction with clinical features of MDS. In contrast, TNF-α KO mice were protected from the irradiation effects: BM cell apoptosis following irradiation was significantly reduced, concomitant with sustained BM MK numbers and absence of other cytopenias. Moreover, irradiated WT mice with long term (>=5 months) BM dysfunction had increased BM angiogenesis, MMPs and VEGF and NFkB p65, suggestive of disease progression. Conclusion:Taken together, our data shows that TNF-α induction following irradiation modulates BM cell apoptosis and is a crucial event in BM dysfunction, secondary MDS onset and progression. {\textcopyright} 2010 Cacha{\c c}o et al.},
	keywords = {angiogenesis, animal, animal cell, animal experiment, animal model, animal tissue, Animals, Antibodies, Neutralizing, apoptosis, article, Blood, blood cell count, Blotting, Western, bone marrow, bone marrow cell, Bone Marrow Cells, C57BL mouse, Cell Line, clinical feature, controlled study, cytokine production, disease course, drug effect, Enzyme Activation, flow cytometry, genetics, immunology, in vitro study, in vivo study, irradiation, leukocyte, leukocyte count, Leukocytes, macrocytic anemia, male, matrix metalloproteinase, Matrix Metalloproteinases, megakaryocyte, Megakaryocytes, metabolism, Mice, Mice, Inbred C57BL, Mice, Knockout, microenvironment, microsatellite marker, mouse, mouse mutant, Mus, myelodysplastic syndrome, neovascularization (pathology), Neovascularization, Pathologic, neutralizing antibody, nonhuman, Pathology, phenotype, protein expression, radiation dose, radiation exposure, Reverse Transcriptase Polymerase Chain Reaction, reverse transcription polymerase chain reaction, thrombocytopenia, transcription factor RelA, tumor necrosis factor alpha, tumor necrosis factor alpha antibody, Tumor Necrosis Factor-alpha, Vascular Endothelial Growth Factor A, vascularization, vasculotropin, vasculotropin A, Western blotting, zymography},
	isbn = {19326203 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77749280454\&partnerID=40\&md5=741f4070ed47c15899f89c6d21b4e8f8},
	author = {Cacha{\c c}o, A.S. and Carvalho, T. and Santos, A.C. and Igreja, C. and Fragoso, R. and Rio, C.O. and Ferreira, M. and Serpa, J. and Correia, S. and Pinto-Do-{\'O}, P. and Dias, S.}
}
@article {2305,
	title = {The effect of the co-immobilization of human osteoprogenitors and endothelial cells within alginate microspheres on mineralization in a bone defect},
	journal = {BiomaterialsBiomaterials},
	volume = {30},
	year = {2009},
	note = {Cited By (since 1996): 38Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2009.02.033PubMed ID: 19299013Language of Original Document: EnglishCorrespondence Address: Grellier, M.; INSERM, U577, Universit{\'e} Victor Segalen Bordeaux 2, UMR-S577, F-33076 Bordeaux Cedex, France; email: maritie.grellier@inserm.frChemicals/CAS: alginic acid, 28961-37-7, 29894-36-8, 9005-32-7, 9005-38-3; alkaline phosphatase, 9001-78-9; arginylglycylaspartic acid, 99896-85-2; osteocalcin, 136461-80-8; Alginates; Glucuronic Acid, 576-37-4; Hexuronic Acids; alginic acid, 9005-32-7References: Oreffo, R.O., Triffitt, J.T., Future potentials for using osteogenic stem cells and biomaterials in orthopedics (1999) Bone, 25 (2 SUPPL), pp. 5S-9S;Lubiatowski, P., Kruczynski, J., Gradys, A., Trzeciak, T., Jaroszewski, J., Articular cartilage repair by means of biodegradable scaffolds (2006) Transplant Proc, 38 (1), pp. 320-322; 
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Kong, H.J., Smith, M.K., Mooney, D.J., Designing alginate hydrogels to maintain viability of immobilized cells (2003) Biomaterials, 24 (22), pp. 4023-4029; 
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Stiehler, M., Bunger, C., Baatrup, A., Lind, M., Kassem, M., Mygind, T., Effect of dynamic 3-D culture on proliferation, distribution, and osteogenic differentiation of human mesenchymal stem cells (2008) J Biomed Mater Res A; 
Mann, V., Huber, C., Kogianni, G., Jones, D., Noble, B., The influence of mechanical stimulation on osteocyte apoptosis and bone viability in human trabecular bone (2006) J Musculoskelet Neuronal Interact, 6 (4), pp. 408-417; 
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Simmons, C.A., Alsberg, E., Hsiong, S., Kim, W.J., Mooney, D.J., Dual growth factor delivery and controlled scaffold degradation enhance in vivo bone formation by transplanted bone marrow stromal cells (2004) Bone, 35 (2), pp. 562-569; 
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Bouhadir, K.H., Lee, K.Y., Alsberg, E., Damm, K.L., Anderson, K.W., Mooney, D.J., Degradation of partially oxidized alginate and its potential application for tissue engineering (2001) Biotechnol Prog, 17 (5), pp. 945-950
},
	month = {2009///},
	pages = {3271 - 3278},
	abstract = {Bone regeneration seems to be dependant on cell communication between osteogenic and endothelial cells arising from surrounding blood vessels. This study aims to determine whether endothelial cells can regulate the osteogenic potential of osteoprogenitor cells in vitro and in vivo, in a long bone defect, when co-immobilized in alginate microspheres. Alginate is a natural polymer widely used as a biomaterial for cell encapsulation. Human osteoprogenitors (HOP) from bone marrow mesenchymal stem cells were immobilized alone or together with human umbilical vein endothelial cells (HUVEC) inside irradiated, oxidized and RGD-grafted alginate microspheres. Immobilized cells were cultured in dynamic conditions and cell metabolic activity increased during three weeks. The gene expression of alkaline phosphatase and osteocalcin, both specific markers of the osteoblastic phenotype, and mineralization deposits were upregulated in co-immobilized HOPs and HUVECs, comparing to the immobilization of monocultures. VEGF secretion was also increased when HOPs were co-immobilized with HUVECs. Microspheres containing co-cultures were further implanted in a bone defect and bone formation was analysed by μCT and histology at 3 and 6 weeks post-implantation. Mineralization was observed inside and around the implanted microspheres containing the immobilized cells. However, when HOPs were co-immobilized with HUVECs, mineralization significantly increased. These findings demonstrate that co-immobilization of osteogenic and endothelial cells within RGD-grafted alginate microspheres provides a promising strategy for bone tissue engineering. {\textcopyright} 2009 Elsevier Ltd. All rights reserved.},
	keywords = {adult, aged, Alginate, Alginates, alginic acid, alkaline phosphatase, animal tissue, Animals, arginylglycylaspartic acid, article, Bioactivity, Biopolymers, Blood vessel prostheses, Blood Vessels, Bone, Bone and Bones, bone defect, Bone defects, Bone formations, Bone marrow mesenchymal stem cells, bone mineralization, Bone Regeneration, Bone regenerations, bone tissue, Bone tissue engineerings, Calcification, Physiologic, Cell communications, Cell culture, Cell encapsulations, cell function, cell growth, Cell immobilization, Cell membranes, cell metabolism, Cells, Cultured, Co immobilizations, Co-culture, coculture, computer assisted tomography, controlled study, Defects, Dynamic conditions, Endothelial Cells, endothelium cell, gene expression, gene expression regulation, Glucuronic Acid, Grafting (chemical), Hexuronic Acids, histology, human, human cell, Human umbilical vein endothelial cells, Humans, Humulus, immobilized cell, Immobilized cells, in vitro study, in vivo study, In-vitro, In-vivo, irradiation, long bone, Long bones, Mesenchymal stem cell, Metabolic activities, Mice, Mice, Nude, microsphere, Microspheres, Middle Aged, Mineralogy, monoculture, mouse, nonhuman, osteoblast, osteocalcin, Osteogenic, Osteogenic potentials, Osteoprogenitor cells, Osteoprogenitors, Oxidation, Peptides, phenotype, Post implantations, priority journal, Self assembly, Sodium compounds, stem cell transplantation, Stem cells, Tissue engineering, umbilical vein, upregulation, Vascular endothelial growth factor (VEGF), X ray analysis, Young Adult},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-67349213598\&partnerID=40\&md5=0190ab2a91dc0dc3527ffd9f86fabf63},
	author = {Grellier, M. and Granja, P.L. and Fricain, J.-C. and Bidarra, S.J. and Renard, M. and Bareille, R. and Bourget, C. and Am{\'e}d{\'e}e, J. and Barbosa, M.A.}
}
@article {2325,
	title = {Molecularly designed surfaces for blood deheparinization using an immobilized heparin-binding peptide},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {88},
	year = {2009},
	note = {Cited By (since 1996): 12Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.31849PubMed ID: 18286636Language of Original Document: EnglishCorrespondence Address: Martins, M. C. L.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomaterials, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180, Porto, Portugal; email: cmartins@ineb.up.ptChemicals/CAS: carbonyldiimidazole, 530-62-1; heparin, 37187-54-5, 8057-48-5, 8065-01-8, 9005-48-5; imidazole, 1467-16-9, 288-32-4; leucine, 61-90-5, 7005-03-0; lysine, 56-87-1, 6899-06-5, 70-54-2; tetraethylene glycol, 112-60-7; Ethylene Glycol, 107-21-1; Heparin, 9005-49-6; Leucine, 61-90-5; Lysine, 56-87-1; PeptidesReferences: Dailey J. Blood. Ipswich, MA, USA: Medical Consulting Group; 1998Section, V., Chronic intermittent haemodialysis and prevention of clotting in the extracorporal system (2002) Nephrol Dialysis Transplant, 17, pp. 63-71;Zhang, Y.H., Singh, V.K., Yang, V.C., Novel approach for optimizing the capacity and efficacy of a protamine filter for clinical extracorporeal heparin removal (1998) Asaio J, 44, pp. M368-M373; 
Tao, W., Deyo, D.J., Brunston, R.L., Vertrees, R.A., Zwischenberger, J.B., Extracorporeal heparin adsorption following cardiopulmonary bypass with a heparin removal device - An alternative to protamine (1998) Critical Care Med, 26, pp. 1096-1102; 
Ameer, G.A., Barabino, G., Sasisekharan, R., Harmon, W., Cooney, C.L., Langer, R., Ex vivo evaluation of a Taylor-Couette flow, immobilized heparinase I device for clinical application (1999) Proc Natl Acad Sci USA, 96, pp. 2350-2355; 
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Lee, H.J., Nedelkov, D., Corn, R.M., Surface plasmon resonance imaging measurements of antibody arrays for the multiplexed detection of low molecular weight protein biomarkers (2006) Anal Chem, 78, pp. 6504-6510; 
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},
	month = {2009///},
	pages = {162 - 173},
	abstract = {Systemic heparinization, used during haemodialysis to prevent blood clotting on the extracorporeal circuit, leads to a high incidence of hemorrhagic complications. The adverse reactions associated with heparin neutralization using protamine sulphate justify the development of an alternative system for blood deheparinization. The main objective of this work is to design nanostructured surfaces with the capacity to bind heparin from blood in a selective way. A heparin-binding polypeptide, composed of L-lysine and L-leucine (pKL), was synthesized and immobilized, in different concentrations, onto self-assembled monolayers (SAMs) terminated with tetra(ethylene-glycol) (EG4 SAMs). Immobilization was performed using a fixed concentration of pKL after surface activation to different degrees using a range of CDI (N,N'-carbonyldiimidazole) concentrations. Results demonstrated that the presence of pKL increases heparin adsorption to EG4-SAMs, independently of the pKL concentration and the way of immobilization (adsorption or covalent bound). Selectivity towards heparin was successfully achieved on SAMs with low concentrations of immobilized pKL (9-17\% of pKL). Surfaces were characterized using ellipsometry, contact angle measurements, Fourier transform infrared reflection absorption spectroscopy (IRAS), atomic force microscopy, and X-ray photoelectron spectroscopy. Heparin adsorption was assessed using IRAS and N-sulphonate-                        35S-heparin. Therefore, this study could give a good contribution for the design of blood deheparinization devices. {\textcopyright} 2008 Wiley Periodicals, Inc.
},
	keywords = {Absorption spectroscopy, Adsorption, Alternative systems, Amines, Amino acids, Angle measurement, article, Atomic force microscopy, Atomic forces, Atomic spectroscopy, Binding peptides, Blood, Blood clotting, Carbonyl diimidazole, Carbonyldiimidazole, Contact angle, deheparinization, device, Dialysis, Electron energy levels, ellipsometry, Ethylene, Ethylene Glycol, Fourier Transform Infrared, Fourier transforms, Glycols, Haemodialysis, heparin, heparin binding protein, Heparinization, High incidences, Humans, imidazole, immobilization, infrared spectroscopy, leucine, Low concentrations, lysine, Methods, Missile bases, Monolayers, nanomaterial, Nanostructured surfaces, Nanostructures, Peptide immobilization, Peptides, Photoelectron spectroscopy, Polysaccharides, Protein adsorption, protein binding, Renal Dialysis, Self assembled monolayers, Self-assembled monolayers, Sulphate, Surface activations, Surface functionalization, Surface Properties, surface property, tetraethylene glycol, unclassified drug, X ray photoelectron spectroscopy, X-ray photoelectron spectroscopies},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-57449118932\&partnerID=40\&md5=8f442ccbde0273f4ed4e04024a75fd37},
	author = {Martins, M.C.L. and Curtin, S.A. and Freitas, S.C. and Salgueiro, P. and Ratner, B.D. and Barbosa, M.A.}
}
@book {2320,
	title = {Morphology and mechanical properties of injectable ceramic microspheres},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {396-398},
	year = {2009},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAEdoi: 10.4028/0-87849-353-0.691Language of Original Document: EnglishCorrespondence Address: Oliveira, S. M.; ESTV, Departamento de Engenharia Mec{\^a}nica, Instituto Polit{\'e}cnico de Viseu, Viseu, PortugalReferences: Barrias, C.C., Ribeiro, C.C., Lamghari, M., Miranda, C.S., Barbosa, M.A., Proliferation, activity, and osteogenic differentiation of bone marrow stromal cells cultured on calcium titanium phosphate microspheres (2005) Journal of Biomedical Materials Research, 72 A (1), pp. 57-66;Barrias, C.C., Ribeiro, C.C., Barbosa, M.A., Adhesion and proliferation of human osteoblastic cells seeded on injectable hydroxyapatite microspheres (2004) Bioceramics, 16, pp. 254-262,877-880; 
Ribeiro, C.C., Barrias, C.C., Barbosa, M.A., Calcium phosphate-alginate microspheres as enzyme delivery matrices (2004) Biomaterials, 25 (18), pp. 4363-4373; 
Silva, R.V., Camilli, J.A., Bertran, C.A., Moreira, N.H., The use of hydroxyapatite and autogenous cancellous bone grafts to repair bone defects in rats (2005) International Journal of Oral and Maxillofacial Surgery, 34 (2), pp. 178-184; 
Boyan, B.D., Lossd{\"o}rfer, S., Wang, L., Zhao, G., Lohmann, C.H., Cochran, D.L., Schwartz, Z., Osteoblasts generate an osteogenic microenvironment when grown on surfaces with rough microtopographies (2003) Eur Cell Mater, 6, pp. 22-27; 
Cardoso, O.N., Sotto Mayor, T., Pinto, A.M.F.R., Campos, J.B.L.M., Axial dispersion of particles in a slugging column - the role of the laminar wake of the bubbles (2003) Chemical Engineering Science, 58 (18), pp. 4159-4172; 
Gauthier, O., Bouler, J.M., Weiss, P., Bosco, J., Aguado, E., Daculsi, G., Short-term effects of mineral particle sizes on cellular degradation activity after implantation of injectable calcium phosphate biomateriais and the consequences for bone substitution (1999) Bone, 25 (2), pp. 71S-74S; 
Xu, H.H., Weir, M.D., Burguera, E.F., Fraser, A.M., Injectable and macroporous calcium phosphate cement scaffold (2006) Biomaterials, 27 (24), pp. 4279-4287; 
Ginebra, M.P., Rilliard, A., Fernandez, E., Elvira, C., San Roman, J., Planell, J.A., Mechanical and rheological improvement of a calcium phosphate cement by the addition of a polymeric drug (2001) J Biomed Mater Res, 57 (1), pp. 113-118
},
	month = {2009///},
	pages = {691 - 694},
	abstract = {The aim of this study was to analyze the effect of starting powder granulometry and sintering conditions on the morphological structure and mechanical properties of injectable hydroxyapaptite (HAp) microspheres. The mechanical properties of the microspheres were evaluated, to investigate if their integrity could be maintained during the injection process. To obtain microspheres, HAp powders were dispersed in a sodium alginate solution and spherical particles were prepared by droplet extrusion under a co-axial air stream, coupled with ionotropic gelation in the presence of Ca                        2+. This was followed by a sintering process at various temperatures and times. The morphology of microspheres was observed under SEM, diameter measurements were performed in an optical microscope and the compression strength was evaluated using a texture analyzer. Finally, microspheres prepared using lower granulometry HAp powders and sintered at 1200{\textdegree}C for 1 hour presented the best properties and were selected as the most suitable for the envisaged application.
},
	keywords = {Air streams, Apatite, Calcium, Ceramic microspheres, Co-axial, Coagulation, Compression strengths, Diameter measurements, Gelation, Granulometry, hydroxyapatite, Injectable, Injection process, Ionotropic gelations, Mechanical properties, Microspheres, Morphological structures, Morphology and mechanical properties, Optical microscopes, Powders, SEM, Sintering, Sintering conditions, Sintering process, Sodium, Sodium alginates, Spherical particles, Starting powders, Texture analyzers},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-58849147162\&partnerID=40\&md5=5bf4364653a3ad10b5ab28c1a01568ab},
	author = {Oliveira, S.M. and Barrias, C.C. and Ribeiro, C.C. and Almeida, I.F. and Bahia, M.F. and Barbosa, M.A.}
}
@article {2308,
	title = {Physical characterization of hydroxyapatite porous scaffolds for tissue engineering},
	journal = {Materials Science and Engineering CMater. Sci. Eng. C},
	volume = {29},
	year = {2009},
	note = {Cited By (since 1996): 16Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.msec.2008.09.052Language of Original Document: EnglishCorrespondence Address: Teixeira, S.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomateriais, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: smsilva@ineb.up.ptReferences: Jones, A.C., Milthorpe, B., Averdunk, H., Limaye, A., Senden, T.J., Sakellariou, A., (2004) Biomaterials, 25 (20), p. 4947;Karageorgiou, V., Kaplan, D., (2005) Biomaterials, 26 (27), p. 5474; 
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},
	month = {2009///},
	pages = {1510 - 1514},
	abstract = {The present study refers to the preparation and characterization of porous hydroxyapatite scaffolds to be used as matrices for bone regeneration or as specific release vehicles. Ceramics are widely used for bone tissue engineering purposes and in this study, hydroxyapatite porous scaffolds were produced using the polymer replication method. Polyurethane sponges were used as templates and impregnated with a ceramic slurry at different ratios, and sintered at 1300~{\textdegree}C following a specific thermal cycle. The characteristics of the hydroxyapatite porous scaffolds and respective powder used as starting material, were investigated by using scanning electron microscopy, particle size distribution, X-ray diffraction, Fourier transformed infrared spectroscopy and compressive mechanical testing techniques. It was possible to produce highly porous hydroxyapatite scaffolds presenting micro and macropores and pore interconnectivity. {\textcopyright} 2008 Elsevier B.V. All rights reserved.},
	keywords = {Apatite, Bone, Bone regenerations, Bone tissue engineerings, Ceramic materials, Ceramic slurries, Fourier-transformed infrared spectroscopies, hydroxyapatite, infrared spectroscopy, Macro-pores, Mechanical testing, Physical characterizations, Polymer blends, Polymer replications, Polymers, Polyurethane sponges, Pore interconnectivity, Porous hydroxyapatites, Porous scaffolds, Scaffolds, Scanning electron microscopy, Spectroscopic analysis, Starting materials, Thermal cycles, Tissue engineering, X- ray diffractions},
	isbn = {09284931 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-67349181295\&partnerID=40\&md5=ea36fd01a8565ecbd7230948b317995d},
	author = {Teixeira, S. and Rodriguez, M.A. and Pena, P. and De Aza, A.H. and De Aza, S. and Ferraz, M.P. and Monteiro, F.J.}
}
@article {2298,
	title = {Protein adsorption and clotting time of pHEMA hydrogels modified with C18 ligands to adsorb albumin selectively and reversibly},
	journal = {BiomaterialsBiomaterials},
	volume = {30},
	year = {2009},
	note = {Cited By (since 1996): 9Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2009.06.025PubMed ID: 19595453Language of Original Document: EnglishCorrespondence Address: Gon{\c c}alves, I.C.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Biomateriais, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: icastro@ineb.up.ptChemicals/CAS: fibrinogen, 9001-32-5; human serum albumin, 9048-49-1; polymacon, 25053-81-0, 25249-16-5, 98932-78-6; polystyrene, 9003-53-6; Biocompatible Materials; Coated Materials, Biocompatible; Hydrogels; Polyhydroxyethyl Methacrylate, 25249-16-5; Serum AlbuminReferences: Kottkemarchant, K., Anderson, J.M., Umemura, Y., Marchant, R.E., Effect of albumin coating on the in vitro blood compatibility of dacron arterial prostheses (1989) Biomaterials, 10 (3), pp. 147-155;Ji, J., Feng, L.X., Barbosa, M.A., Stearyl poly(ethylene oxide) grafted surfaces for preferential adsorption of albumin (2001) Biomaterials, 22 (22), pp. 3015-3023; 
Keogh, J.R., Eaton, J.W., Albumin-binding surfaces for biomaterials (1994) The Journal of Laboratory and Clinical Medicine, 124 (4), pp. 537-545; 
Keogh, J.R., Velander, F.F., Eaton, J.W., Albumin-binding surfaces for implantable devices (1992) Journal of Biomedical Materials Research, 26 (4), pp. 441-456; 
Martins, M.C.L., Wang, D., Ji, J., Feng, L., Barbosa, M.A., Albumin and fibrinogen adsorption on Cibacron blue F3G-A immobilised onto PU-PHEMA (polyurethane-poly(hydroxyethylmethacrylate)) surfaces (2003) Journal of Biomaterials Science Polymer Edition, 14 (5), pp. 439-455; 
McFarland, C.D., De Filippis, C., Jenkins, M., Tunstell, A., Rhodes, N.P., Williams, D.F., Albumin-binding surfaces: in vitro activity (1998) Journal of Biomaterials Science Polymer Edition, 9 (11), pp. 1227-1239; 
Munro, M.S., Quattrone, A.J., Ellsworth, S.R., Kulkarni, P., Eberhart, R.C., Alkyl substituted polymers with enhanced albumin affinity (1981) Transactions American Society for Artificial Internal Organs, 27, pp. 499-503; 
Tsai, C.C., Huo, H.H., Kulkarni, P., Eberhart, R.C., Biocompatible coatings with high albumin affinity (1990) ASAIO Transactions, 36 (3), pp. 307-310; 
Wang, D.A., Chen, B.L., Ji, J., Feng, L.X., Selective adsorption of serum albumin on biomedical polyurethanes modified by a poly(ethylene oxide) coupling-polymer with Cibacron blue (F3G-A) endgroups (2002) Bioconjugate Chemistry, 13 (4), pp. 792-803; 
Gon{\c c}alves, I.C., Martins, M.C.L., Barbosa, M.A., Naeemi, E., Ratner, B.D., Selective protein adsorption modulates platelet adhesion and activation to oligo(ethylene glycol)-terminated self-assembled monolayers with C18 ligands (2009) Journal of Biomedical Materials Research Part A, 89 A (3), pp. 642-653; 
Bain, C.D., Troughton, E.B., Tao, Y.T., Evall, J., Whitesides, G.M., Nuzzo, R.G., Formation of monolayer films by the spontaneous assembly of organic thiols from solution onto gold (1989) Journal of the American Chemical Society, 111 (1), pp. 321-335; 
Kwok, S.C., Mourad, P.D., Crum, L.A., Ratner, B.D., Surface modification of polymers with self-assembled molecular structures: multitechnique surface characterization (2000) Biomacromolecules, 1, pp. 139-148; 
Goncalves, I.C., Martins, M.C.L., Barbosa, M.A., Ratner, B.D., Protein adsorption on 18-alkyl chains immobilized on hydroxyl-terminated self-assembled monolayers (2005) Biomaterials, 26 (18), pp. 3891-3899; 
Ratner, B.D., Hoffman, A.F., Schoen, F.J., Lemons, J.L., (2004) Biomaterials science - an introduction to materials in medicine. 2nd ed., , Elsevier Academic Press, San Diego, CA, USA; 
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Cao, L., Chang, M., Lee, C.Y., Castner, D.G., Sukavaneshvar, S., Ratner, B.D., Plasma-deposited tetraglyme surfaces greatly reduce total blood protein adsorption, contact activation, platelet adhesion, platelet procoagulant activity, and in vitro thrombus deposition (2007) Journal of Biomedical Materials Research Part A, 81 (4), pp. 827-837; 
Stovbun, E.V., Kuzaev, A.I., Baturin, S.M., (1996) Polymer Science Series A, 38, pp. 691-695; 
Tanaka, M., Motomura, T., Kawada, M., Anzai, T., Yuu, K., Shiroya, T., Blood compatible aspects of poly(2-methoxyethylacrylate) (PMEA) - relationship between protein adsorption and platelet adhesion on PMEA surface (2000) Biomaterials, 21 (14), pp. 1471-1481; 
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L{\'o}pez, G.P., Ratner, B.D., Rapoza, R.J., Horbett, T.A., Plasma deposition of ultrathin films of poly(2-hydroxyethyl methacrylate): surface analysis and protein adsorption measurements (1993) Macromolecules, 26 (13), pp. 3247-3253; 
Martins, M.C.L., Wang, D., Ji, J., Feng, L., Barbosa, M.A., Albumin and fibrinogen adsorption on PU-PHEMA surfaces (2003) Biomaterials, 24 (12), pp. 2067-2076; 
Tsukagoshi, T., Kondo, Y., Yoshino, N., Protein adsorption on polymer-modified silica particle surface (2007) Colloids and Surfaces B Biointerfaces, 54 (1), pp. 101-107; 
Ratner, B.D., Biomedical applications of hydrogels: review and critical appraisal (1981) Biocompatibility of clinical implant materials, , Williams D.F. (Ed), CRC Press; 
H{\"o}{\"o}k, F., V{\"o}r{\"o}s, J., Rodahl, M., Kurrat, R., B{\"o}ni, P., Ramsden, J.J., A comparative study of protein adsorption on titanium oxide surfaces using in situ ellipsometry, optical waveguide lightmode spectroscopy, and quartz crystal microbalance/dissipation (2002) Colloids and Surfaces B Biointerfaces, 24 (2), pp. 155-170; 
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Horbett, T.A., Adsorption of proteins from plasma to a series of hydrophilic-hydrophobic copolymers. II. Compositional analysis with the prelabeled protein technique (1981) Journal of Biomedical Materials Research, 15 (5), pp. 673-695; 
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Gorbet, M.B., Sefton, M.V., Biomaterial-associated thrombosis: roles of coagulation factors, complement, platelets and leukocytes (2004) Biomaterials, 25 (26), pp. 5681-5703
},
	month = {2009///},
	pages = {5541 - 5551},
	abstract = {This work intended to create a nanostructured biomaterial that would bind albumin in a selective and reversible way in order to inhibit the adsorption of other blood proteins and therefore minimize activation of coagulation. Different levels of C18 ligand have been immobilized on poly(2-hydroxyethyl methacrylate) (pHEMA). We hypothesize that samples with intermediate amounts of C18 ligand would allow albumin to recognize them and bind through its hydrophobic pockets specific for long chain fatty acids. Surface characterization has confirmed increasing amounts of C18 ligand on pHEMA as the percentage of C18 in solution increases, with maximum coverage achieved in 10\% C18 samples. Adsorption from pure albumin solution revealed a small decrease in albumin adsorption from pHEMA to 1\% C18 and 2.5\% C18 samples, but on surfaces with 5\% or higher C18 the amount of adsorbed albumin increased as the percentage of C18 increased. Competitive adsorption studies in the presence of both albumin and fibrinogen, and in the presence of all plasma proteins showed that 1\% C18 and 2.5\% C18 were the only surfaces selective for albumin, and that the presence of all plasma proteins may even potentiate albumin adsorption. Reversibility studies demonstrated that both 2.5\% C18 and 5\% C18 samples exchange                        125I-albumin selectively in the presence of both unlabeled albumin and plasma, but 2.5\% C18 samples presented higher exchangeability rates (58\%). Clotting times using recalcified plasma revealed that samples with none or small amounts of C18 (pHEMA to 5\% C18) did not shorten the clotting time compared to the negative control (polystyrene), indicating low activation of the intrinsic coagulation cascade. {\textcopyright} 2009 Elsevier Ltd. All rights reserved.
},
	keywords = {Adsorption, article, Biocompatible Materials, Biomaterials, blood clotting time, Blood Coagulation Tests, Body fluids, Clotting time, Coagulation, Coated Materials, Biocompatible, concentration response, controlled study, Fatty acids, fibrinogen, human serum albumin, hydrogel, Hydrogels, hydrophilicity, Ligands, long chain fatty acid, materials testing, Plasmas, PolyHEMA, Polyhydroxyethyl Methacrylate, polymacon, Polymer blends, polystyrene, Polystyrenes, priority journal, Protein adsorption, protein binding, Proteins, Serum Albumin, Surface modification, surface property, Surface treatment},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-68549112719\&partnerID=40\&md5=aa1dd37881210211ef398092a3be6174},
	author = {Gon{\c c}alves, I.C. and Martins, M.C.L. and Barbosa, M.A. and Ratner, B.D.}
}
@article {2309,
	title = {Selective protein adsorption modulates platelet adhesion and activation to oligo(ethylene glycol)-terminated self-assembled monolayers with C18 ligands},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {89},
	year = {2009},
	note = {Cited By (since 1996): 11Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.32011PubMed ID: 18442116Language of Original Document: EnglishCorrespondence Address: Gon{\c c}alves, I. C.; INEB-Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Universidade do Porto, Run do Campo Alegre, 823, 4150-180 Porto, Portugal; email: icastro@ineb.up.ptChemicals/CAS: fibrinogen, 9001-32-5; glutaraldehyde, 111-30-8, 37245-61-7; human serum albumin, 9048-49-1; Carbon, 7440-44-0; Ethylene Glycol, 107-21-1; Ligands; Serum AlbuminReferences: Nath, N., Hyun, J., Ma, H., Chilkoti, A., Surface engineering strategies for control of protein and cell interactions (2004) Surf Sci, 570, pp. 98-110;Mao, C., Qiu, Y.Z., Sang, H.B., Mei, H., Zhu, A.P., Shen, J., Lin, S.C., Various approaches to modify biomaterial surfaces for improving hemocompatibility (2004) Adv Colloid Interface Sci, 110, pp. 5-17; 
Gorbet, M.B., Sefton, M.V., Biomaterial-associated thrombosis: Roles of coagulation factors, complement, platelets and leukocytes (2004) Biomaterials, 25, pp. 5681-5703; 
Kottkemarchant, K., Anderson, J.M., Umemura, Y., Marchant, R.E., Effect of albumin coating on the in vitro blood compatibility of dacron arterial prostheses (1989) Biomaterials, 10, pp. 147-155; 
Munro, M.S., Quattrone, A.J., Ellsworth, S.R., Kulkarni, P., Eberhart, R.C., Alkyl substituted polymers with enhanced albumin affinity (1981) Trans Am Soc Artif Intern Organs, 27, pp. 499-503; 
Eberhart, R.C., Munro, M.S., Williams, G.B., Kulkarni, P.V., Shannon, W.A., Brink, B.E., Fry, W.J., Albumin adsorption and retention on C-18-alkyl-derivatized polyurethane vascular grafts (1987) Artif Organs, 11, pp. 375-382; 
Frautschi, J.R., Munro, M.S., Lloyd, D.R., Eberhart, R.C., Alkyl derivatized cellulose-acetate membranes with enhanced albumin affinity (1983) Trans Am Soc Artif Intern Organs, 29, pp. 242-244; 
Pitt WG, Cooper SL. Albumin adsorption on alkyl chain derivatized polyurethanes. I. The effect of C-18 alkylation. T Biomed Mater Res 1988;22:359-382Johnston, E., Ratner, B.D., Protein Adsorption: Friend or Foe? (1998) Immobilized biomolecules in analysis: A practical approach, pp. 79-94. , Cass T, Ligler FS, editors, Oxford: Oxford University Press;; 
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Martins, M.C.L., Naeemi, E., Ratner, B.D., Barbosa, M.A., Albumin adsorption on cibacron blue F3G-A immobilized onto oligo (ethylene glycol)-terminated self-assembled monolayers (2003) J Mater Sci Mater Med, 14, pp. 945-954; 
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Goncalves, I.C., Martins, M.C.L., Barbosa, M.A., Ratner, B.D., Protein adsorption on 18-alkyl chains immobilized on hydroxyl-ter- minated self-assembled monolayers (2005) Biomaterials, 26, pp. 3891-3899; 
Martins MCL, Ratner BD, Barbosa MA. Protein adsorption on mixtures of hydroxyl- and methylterminated alkanethiols self-assembled monolavers. I Biomed Mater Res 2003;67A: 158-171Owens, D.K., Wendt, R.C., Estimation of surface free energy of polymers (1969) J Appl Polym Sci, 13, pp. 1741-1747; 
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Sastry, M., A note on the use of ellipsometry for studying the kinetics of formation of self-assembled monolayers (2000) Bull Mater Sci, 23, pp. 159-163; 
Rodrigues, S.N., Goncalves, I.C., Martins, M.C.L., Barbosa, M.A., Ralner, B.D., Fibrinogen adsorption, platelet adhesion and activation on mixed hydroxyl-/methyl-terminated self-assembled monolayers (2006) Biomaterials, 27, pp. 5357-5367; 
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Herrwerth, S., Eck, W., Reinhardt, S., Grunze, M., Factors that determine the protein resistance of oligoether self-assembled monolayers-internal hydrophilicity, terminal hydrophilicity, and lateral packing density (2003) J Am Chem Soc, 125, pp. 9359-9366; 
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Zhu, B., Eurell, T., Gunawan, R., Leckband, D., Chain-length dependence of the protein and cell resistance of oligo(ethylene glycol)-terminated self-assembled monolayers on gold (2001) J Biomed Mater Res, 56, pp. 406-416; 
Bain, C.D., Troughton, E.B., Tao, Y.T., Evall, J., Whitesides, G.M., Nuzzo, R.G., Formation of monolayer films by the spontaneous assembly of organic thiols from solution onto gold (1989) J Am Chem Soc, 111, pp. 321-335; 
Jenney, C.R., Anderson, J.M., Adsorbed serum proteins responsible for surface dependent human macrophage behavior (1999) J Biomed Mater Res, 49, pp. 435-447; 
Sperling, C., Schweiss, R.B., Streller, U., Werner, C., In vitro hemocompatibility of self-assembled monolayers displaying various functional groups (2005) Biomaterials, 26, pp. 6547-6557; 
Barbosa, J.N., Barbosa, M.A., Aguas, A.P., Inflammatory responses and cell adhesion to self-assembled monolayers of alkanethio- lates on gold (2004) Biomaterials, 25, pp. 2557-2563
},
	month = {2009///},
	pages = {642 - 653},
	abstract = {This study focuses on the selective binding of albumin to a nanostructured surfaces to inhibit other blood proteins from adsorbing thereby reducing platelet adhesion and activation. Tetra (ethylene-glycol)-terminated self- assembled monolayers (EG4 SAMs) with different percentages of CI 8 ligands on the surface were characterized by contact angle measurements, X-ray photoelectron microscopy, infrared reflection-absorption spectroscopy, and ellipsometry. A specific surface (2.5\% C18 SAM) was found to be selective for human serum albumin (HSA) in the presence of both albumin and fibrinogen (HFG). The importance of this concentration of C18 ligands was stressed in reversibility studies since that surface exchanged almost all the preadsorbed HSA by HSA in solution, but not by HFG. The effect of protein adsorption in the subsequent adhesion and activation of platelets was studied by pre-immersing the surfaces in albumin and plasma before contact with platelets. Scanning electron microscopy and glutaraldehyde induced fluorescence technique images showed that as surfaces got more hydrophobic due to the immobilization of C18 ligands, the number of adherent platelets increased and their morphology changed from round to fully spread. Pre-immersion in HSA led to an 80{\textdegree}/o decrease in platelet adhesion and reduction of activation. Pre-immersion in 1\% plasma was only relevant in 2.5\% CI 8 SAMs since this was the only surface that demonstrated less adhesion of platelets comparing with buffer pre-immersion. However, they still adsorb more platelets then when HSA was preadsorbed. This was confirmed in competition studies between HSA and plasma that suggested that other plasma proteins were also adsorbing to this surface. {\textcopyright} 2008 Wiley Periodicals, Inc.},
	keywords = {Absorption spectroscopy, Acoustic microscopes, Adhesion, Adsorption, Albumin, Aldehydes, Angle measurement, article, Biological materials, Biomaterials, Blood Platelets, Blood protein, Blood substitutes, Carbon, Cell Shape, chemical composition, Concentration of, Contact angle, controlled study, Ethylene, Ethylene Glycol, ethylene glycol derivative, fibrinogen, Fluorescence technique, glutaraldehyde, gold nanoparticle, human, human serum albumin, Human serum albumins, Humans, hydrophobicity, Infrared reflection absorption spectroscopy, infrared spectroscopy, ligand, Ligands, Nanostructured surface, normal human, Oligo(ethylene glycol), Photoelectron spectroscopy, plasma, Plasma diagnostics, Plasma protein, Plasmas, Platelet adhesion, Platelet Adhesiveness, Platelets, Protein adsorption, protein binding, Proteins, Sams, Scanning electron microscopy, Selective binding, Selective protein adsorption, self assembled monolayer, Self assembled monolayers, Self-assembled monolayers, Serum Albumin, Specific surface, Spectrophotometry, Infrared, Surface Properties, surface property, thrombocyte activation, thrombocyte adhesion, thrombocyte shape, X ray photoelectron spectroscopy, X-ray photoelectron microscopy},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-66249128976\&partnerID=40\&md5=0be21ad44fe5cf556598975ea1655bed},
	author = {Gon{\c c}alves, I.C. and Martins, M.C.L. and Barbosa, M.A. and Naeemi, E. and Ratner, B.D.}
}
@article {2314,
	title = {Sex differences in linear and complex fetal heart rate dynamics of normal and acidemic fetuses in the minutes preceding delivery},
	journal = {Journal of Perinatal MedicineJ. Perinat. Med.},
	volume = {37},
	year = {2009},
	note = {Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: JPEMAdoi: 10.1515/JPM.2009.024PubMed ID: 19021459Language of Original Document: EnglishCorrespondence Address: Bernardes, J.; Faculdade de Medicina, Universidade Do Porto, Ginecologia e Obstetr{\'\i}cia, Al. Hernani Monteiro, Porto, 4200, Portugal; email: jbernardes59@gmail.comReferences: Ayres-de-Campos, D., Bernardes, J., Costa-Pereira, A., Pereira-Leite, L., Inconsistencies in classification by experts of cardiotocograms and subsequent clinical decision (1999) Br J Obstet Gynaecol, 106, pp. 1307-1310;Ayres-de-Campos, D., Bernardes, J., Garrido, A., Marques-de-S{\`a}, J.P., Pereira-Leite, L., SisPorto 2.0 - a program for automated analysis of cardiotocograms (2000) J Matern Fetal Med, 9, pp. 311-318; 
Ayres-de-Campos, D., Costa-Santos, C., Bernardes, J., SisPorto Multicentre Validation Study Group. Prediction of neonatal state by computer analysis of fetal heart rate tracings: The antepartum arm of the SisPorto multicentre validation study (2005) Eur J Obstet Gynecol Reprod Biol, 118, pp. 52-60; 
Ayres-de-Campos, D., Sousa, P., Costa, A., Bernardes, J., Omniview-SisPorto 3.5 - a central fetal monitoring station with online alerts based on computerized cardio-tocogram+ST event analysis (2008) J Perinat Med, 36, pp. 260-264; 
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Bernardes, J., Ayres-de-Campos, D., Costa-Pereira, A., Pereira-Leite, L., Garrido, A., Objective computerized fetal heart rate analysis (1998) Int J Gynaecol Obstet, 62, pp. 141-147; 
Bernardes, J., Gon{\c c}alves, H., Ayres-de-Campos, D., Rocha, A.P., Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states (2008) Early Hum Dev, 84, pp. 433-439; 
Boog, G., Analyse informatis{\'e}e du rythme cardiaque foetal au cours de la grosssesse et de l{\textquoteright}accouchement. (2004) Encyclop{\'e}die M{\'e}dico- Chirurgicale, 148, pp. 1-10; 
Browner, W.S., Newman, T.B., Cummings, S.R., Hulley, S.B., (2001) Estimating sample size and power: The nitty-gritty, pp. 65-84. , Hulley SB, Cummings SR, Browner WS, Grady D, Hearst N, Newman TB, editors. Philadelphia: Lippincot Williams \& Wilkins; 
Chaffin, D.G., Barnard, J.M., Phernetton, T., Reed, K.L., Decreased approximate entropy of heart rate variability in the hypoxic ovine fetus (1998) J Matern Fetal Invest, 8, pp. 23-26; 
Dawes, G.S., Moulden, M., Redman, C.W., Improvements in computerized fetal heart rate analysis antepartum (1996) J Perinat Med, 24, pp. 25-36; 
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DiPietro, J.A., Costigan, K.A., Shupe, A.K., Pressman, E.K., Johnson, T.R., Fetal neurobehavioral development: Associations with socioeconomic class and fetal sex (1998) Dev Psychobiol, 33, pp. 79-91; 
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Fleisher, L.A., Dipietro, J.A., Johnson, T.R., Pincus, S., Complementary and non-coincident increases in heart rate variability and irregularity during fetal development (1997) Clin Sci (Lond), 92, pp. 345-349; 
Fusheng, Y., Bo, H., Qingyu, T., (1998) Approximate entropy and its application in biosignal analysis, 2, pp. 72-91. , editor. Nonlinear biomedical signal processing, Dynamical analysis and modelling. IEEE Press;; 
Gon{\c c}alves, H., Rocha, A.P., Ayres-de-Campos, D., Bernardes, J., Internal versus external intrapartum foetal heart rate monitoring: The effect on linear and nonlinear parameters (2006) Physiol Meas, 27, pp. 307-319; 
Goncalves, H., Rocha, A.P., Ayres-de-Campos, D., Bernardes, J., Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery (2006) Med Biol Eng Comput, 44, pp. 847-855; 
Goncalves, H., Bernardes, J., Rocha, A.P., Ayres-de-Campos, D., Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period (2007) Early Hum Dev, 83, pp. 585-591; 
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Ingemarsson, I., Herbst, A., Thorngren-Jerneck, K., Long-term outcome after umbilical artery acidemia at term birth: Influence of gender and duration of fetal heart rate abnormalities (1997) Br J Obstet Gynaecol, 104, pp. 1123-1127; 
Jensen-Urstad, K., Storck, N., Bouvier, F., Ericson, M., Lindblad, L.E., Jensen-Urstad, M., Heart rate variability in healthy subjects is related to age and gender (1997) Acta Physiol Scand, 160, pp. 235-241; 
King, T., Parer, J., The physiology of fetal heart rate patterns and perinatal asphyxia (2000) J Perinat Neonat Nurs, 14, pp. 19-39; 
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Li, X., Tang, D., Zhou, S., Zhou, G., Wang, C., Zhuang, Y., Redistribution of power spectrum of heart rate variability during acute umbilical artery embolism and hypoxemia in late-gestation fetal sheep (2004) J Obstet Gynecol Reprod Biol, 114, pp. 137-143; 
Magenes, G., Signorini, M.G., Arduini, D., Classification of cardiotocographic records by neural networks (2000) IJCNN 2000, Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks, 3, pp. 637-641; 
Martinez, W.L., Martinez, A.R., (2002) Computational statistics handbook with MATLAB, , CRC Press;; 
Pincus, S., Approximate entropy as a measure of system complexity (1991) Proc Natl Acad Sci USA, 88, pp. 2297-2301; 
Pincus, S., Viscarello, R., Approximate Entropy: A regularity measure for fetal heart rate analysis (1992) Obstet Gynecol, 79, pp. 249-255; 
Richman, J.S., Moorman, J.R., Physiological time-series analysis using approximate entropy and sample entropy (2000) Am J Physiol Heart Circ Physiol, 278, pp. H2039-H2049; 
Ryan, S.M., Goldberger, A.L., Pincus, S.M., Mietus, J., Lipsitz, L.A., Gender- and age-related differences in heart rate dynamics: Are women more complex than men? (1994) J Am Coll Cardiol, 24, pp. 1700-1707; 
Sheiner, E., Hadar, A., Hallak, M., Katz, M., Mazor, M., Shoham-Vardi, I., Clinical significance of fetal heart rate tracings during the second stage of labor (2001) Obstet Gynecol, 97, pp. 747-752; 
Signorini, M.G., Magenes, G., Cerrutti, S., Arduini, D., Linear and nonlinear parameters for the analysis of fetal heart rate signal from cardiotacographic recordings (2003) IEEE Transactions on Biomedical Engineering, 50, pp. 365-373; 
Siira, S.M., Ojala, T.H., Vahlberg, T.J., Jalonen, J.O., V{\"a}lim{\"a}ki, I.A., Ros{\'e}n, K.G., Marked fetal acidosis and specific changes in power spectrum analysis of fetal heart rate variability recorded during the last hour of labor (2005) Br J Obstet Gynaecol, 112, pp. 418-423; 
Suzuki, T., Okamura, K., Kimura, Y., Watanabe, T., Yaegashi, N., Murotsuki, J., Power spectral analysis of R-R interval variability before and during the sinusoidal heart rate pattern in fetal lambs (2000) Am J Obstet Gynecol, 182, pp. 1227-1232; 
},
	month = {2009///},
	pages = {168 - 176},
	abstract = {Aim: To assess linear and complex heart rate dynamics in relation to fetal gender in normal and acidemic fetuses during the minutes preceding delivery. Methods: Linear and non-linear fetal heart rate indices, namely mean FHR, long-term irregularity index, short-term variability, low and high frequency spectral indices, approximate and sample entropy, were assessed in 36 female and 30 male fetuses, adjusted for gestational age and weight, during the minutes preceding delivery. Analysis was performed in the initial and final minutes of each tracing in fetuses with umbilical artery blood pH at delivery >=7.20, 7.11-7.19 and <=7.10. Results: Progression of labor was associated with a significant decrease in non-linear indices and an increase in almost all linear indices, both in female and male fetuses, but changes were more marked in female fetuses. Non-acidemic females showed higher mean FHR in the final minutes of labor, compared with males. Acidemic females had higher linear indices when compared to similar male fetuses. Conclusions: During the minutes preceding delivery, female fetuses express higher linear indices than male fetuses, suggesting greater activation of the autonomic nervous system, while maintaining similar complexity indices, which suggests different reaction and adaptation capabilities to stress and distress. {\textcopyright} 2009 by Walter de Gruyter.},
	keywords = {acidemia, Acidemic fetuses, article, autonomic nervous system, Birth Weight, blood pH, Cross-Sectional Studies, delivery, Delivery, Obstetric, entropy, Entropy and spectral analysis, Female, Fetal Heart, fetus, fetus heart rate, Gestational Age, Heart Rate, Fetal, human, Humans, Hydrogen-Ion Concentration, Intrapartum, labor, Labor, Obstetric, male, Pregnancy, priority journal, Retrospective Studies, Sex Characteristics, sex difference, Umbilical Arteries, umbilical artery},
	isbn = {03005577 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-59449089216\&partnerID=40\&md5=7a093bd5c056231b3f8150912abca652},
	author = {Bernardes, J. and Gon{\c c}alves, H. and Ayres-de-Campos, D. and Rocha, A.P.}
}
@conference {2332,
	title = {Changes in detrended fluctuation indices with aging in healthy and congestive heart failure subjects},
	booktitle = {Computers in CardiologyComput Cardiol},
	series = {Computers in Cardiology 2008, CAR},
	volume = {35},
	year = {2008},
	note = {Conference code: 75561Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusArt. No.: 4748973CODEN: COCADdoi: 10.1109/CIC.2008.4748973Language of Original Document: EnglishCorrespondence Address: Barquero-P{\'e}rez, {\'O}.; B-013, Universidad Rey Juan Carlos, Camino del Molino s/n, Fuenlabrada-28943 Madrid, Spain; email: obarquero@gmail.comReferences: Goldberger, A.L., Nonlinear dynamics, fractals, and chaos theory: Implications for neuroautonomic heart rate control in health and disease (1999) The Autonomic Nervous System, , Bolis C, Licinnio J eds, Geneva: World Health Organization;Peng, C.K., Havlin, S., Stanley, H.E., Goldberger, A.L., Quantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series (1995) Chaos, 5, pp. 82-87; 
Goldberger, A.L., Amaral, L.A.N., Hausdorff, J.M., Ivanov, P.C., Peng, C.K., Stanley, H.E., Fractal dynamics in physiology: Alterations with disease and aging (2002) Proceedings of the National Academy of Sciences, 99, p. 119; 
Berger, R.D., Broken fractals: Where{\textquoteright}s the break? (2001) Journal of Cardiovascular Electrophysiology, 12 (1), pp. 33-35; 
Mandelbrot, B.B., van Ness, J.W., Fractional Brownian motions, fractional noises and applications (1968) SIAM Review, 10, pp. 422-437; 
Kantelhardt, J.W., Zschiegner, S.A., Koscielny-Bunde, E., Havlin, S., Bunde, A., Stanley, H.E., Multifractal detrended fluctuations analysis of nonstationary time series (2002) Physica A, 316, pp. 87-114; 
Goldberger, A.L., Amaral, L.A.N., Glass, L., Hausdorff, J.M., Ivanov, P.C., Mark, R.G., Mietus, J.E., Stanley, H.E., PhysioBank, PhysioToolkit, and PhysioNet: Components of a new research resource for complex physiologic signals (2000) Circulation, 101 (23), pp. e215-e220. , June 13; 
Malik, M., Cripps, T., Farrell, T., Camm, A., Prognostic value of heart rate variability after myocardial infarction. a comparison of different data-processing methods (1989) Medical and Biological Engineering and Computing, 27, pp. 603-621; 
Huikuri, H.V., M{\"a}kikallio, T.H., Perki{\"o}m{\"a}ki, J., Measurement of heart rate variability by methods based on nonlinear dynamics (2003) Journal of Electrocardiology, 36, pp. 95-99; 
Rojo-{\'A}lvarez, J., S{\'a}nchez-S{\'a}nchez, A., Barquero-Prez, O., Goya-Esteban, R., Everss, E., Mora-J{\'\i}menez, I., Garc{\'\i}a-Alberola, A., Analysis of physiological meaning of detrended fluctuation analysis in heart rate variability using a lumped parameter model (2007) Computers in Cardiology, 34, pp. 25-28
},
	month = {2008///},
	pages = {45 - 48},
	address = {Bologna},
	abstract = {Detrended Fluctuation Analysis (DFA) aims to quantify the fractal correlation properties in nonstationary time series, and it has successfully been applied in the assessment of the Heart Rate Variability (HRV) for cardiac risk stratification purposes. However the physiological meaning of DFA indices and its relation with aging have not yet been completely established. Given that a loss of complexity in the physiological regulation of elderly subjects has been reported in the literature, we hypothesized that DFA indices could be modified by aging. In this work we computed the Hurst exponent (estimated using DFA method) and DFA indices α                        1 and α
                        2 to assess the HRV in healthy and Congestive Heart Failure (CHF) subjects, and we studied the dependence of these indices on aging for both healthy and CHF subjects. We found that only α2 and Hurst exponent, and only in the case of healthy subjects, have significant discrimination capability to distinguish between young and elderly groups, and also that these indices have a steady increase with aging. Therefore, we can conclude that the loss of complexity due to aging can be quantified by changes in the values of α
                        2 and Hurst exponent.
},
	keywords = {Cardiology, Congestive heart failures, Correlation properties, Detrended fluctuation analysis, DFA methods, Healthy subjects, Heart rate variabilities, Heart valve prostheses, Hurst exponents, Non-stationary time series, Risk analysis, Risk perception, Risk stratifications, Table lookup, Time series, Time series analysis},
	isbn = {02766574 (ISSN); 1424437067 (ISBN); 9781424437061 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-62249107413\&partnerID=40\&md5=f528b40d49f9968db744c5cd19069493},
	author = {Barquero-P{\'e}rez, {\'O}. and De S{\'a}, J.M. and Rojo-{\'A}lvarez, J.L. and Goya-Esteban, R.}
}
@conference {2326,
	title = {Characterization of heart rate variability loss with aging and heart failure using sample entropy},
	booktitle = {Computers in CardiologyComput Cardiol},
	series = {Computers in Cardiology 2008, CAR},
	volume = {35},
	year = {2008},
	note = {Conference code: 75561Export Date: 21 November 2012Source: ScopusArt. No.: 4748972CODEN: COCADdoi: 10.1109/CIC.2008.4748972Language of Original Document: EnglishCorrespondence Address: Goya-Esteban, R.; Universidad Rey Juan Carlos, Camino del Molino s/n, Fuenlabrada-28943 Madrid, Spain; email: rebegoya@gmail.comReferences: Pincus, S.M., Approximate entropy as a measure of system complexity (1991) Proc Natl Acad Sci, 88, pp. 2297-2301;Pincus, S.M., Goldberger, A.L., Physiological time-series analysis: What does regularity quantify? (1994) Am J Physiol Heart Circ Physiol, 35, pp. 1643-1656; 
Pincus, S.M., Assesing serial irregularity and its implications for health (2001) Annals New York Academy of Sciences, 954, pp. 245-267; 
Marques-de, S.J., Characterization of fetal heart rate using approximate entropy (2005) IEEE Computers in Cardiology, 32, pp. 671-673; 
Richman, J.S., Moorman, J.R., Physiological time-series analysis using approximate entropy and sample entropy (2000) Am J Physiol Heart Circ Physiol, 278, pp. 2039-2049; 
Goldberger, A.L., Amaral, L.A.N., Glass, L., Hausdorff, J.M., Ivanov, P.C., Mark, R.G., Mietus, J.E., Stanley, H.E., PhysioBank, PhysioToolkit, and PhysioNet: Components of a new research resource for complex physiologic signals (2000) Circulation, 101 (23), pp. e215-e220. , June 13; 
Malik, M., Cripps, T., Farrell, T., Camm, A., Prognostic value of heart rate variability after myocardial infarction. a comparison of different data-processing methods (1989) Medical and Biological Engineering and Computing, 27, pp. 603-621; 
Signorini, M., Ferrario, M., Marchetti, M., Marseglia, A., Nonlinear analysis of heart rate variability signal for the characterization of cardiac heart failure patients (2006) Conf Proc IEEE Eng Med Biol Soc, 1 (1), pp. 3431-3434
},
	month = {2008///},
	pages = {41 - 44},
	address = {Bologna},
	abstract = {Entropy based measures, such as Sample Entropy (SampEn), have been widely used for quantifying the Heart Rate Variability (HRV) for cardiac risk stratification purposes, with the hypothesis that decreasing entropy points to a perturbation of the complex physiological mechanisms or disease. However, in the literature, higher entropy values have been reported for some pathologies than for healthy subjects, which could be due to the use of a threshold value r tuned relative to the signal standard deviation. In the present paper we apply SampEn to assess the variability of the RR time series from healthy subjects and subjects with Congestive Heart Failure (CHF) in order to discriminate between both groups, as well as to characterize the variability loss due to aging. We conclude that the use of a fixed threshold value r in the SampEn algorithm instead of its conventional setting (as a percentage of the standard deviation of each data series), improves the discrimination capabilities between healthy and CHF subjects, and it allows to quantify the loss of HRV due to aging in healthy subjects.},
	keywords = {Cardiology, Congestive heart failures, Data series, entropy, Entropy values, Fixed thresholds, Healthy subjects, Heart failures, Heart rate variabilities, Heart valve prostheses, Physiological mechanisms, Risk stratifications, Sample entropies, Signal standard deviations, Standard deviations, Table lookup, Time series},
	isbn = {02766574 (ISSN); 1424437067 (ISBN); 9781424437061 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-62249148798\&partnerID=40\&md5=8e431df62b6a4b2d13e5d71570608d91},
	author = {Goya-Esteban, R. and De S{\'a}, J.P.M. and Rojo-{\'A}lvarez, J.L. and Barquero-P{\'e}rez, O.}
}
@article {2342,
	title = {Comparative study of nanohydroxyapatite microspheres for medical applications},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {86},
	year = {2008},
	note = {Cited By (since 1996): 22Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.31634PubMed ID: 17975824Language of Original Document: EnglishCorrespondence Address: Mateus, A. Y. P.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre 823, 4150-180 Porto, Portugal; email: yovana@ibmc.up.ptChemicals/CAS: alginic acid, 28961-37-7, 29894-36-8, 9005-32-7, 9005-38-3; calcium hydroxide, 1305-62-0; calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; calcium, 7440-70-2; dodecyl sulfate sodium, 151-21-3; neutral red, 553-24-2; phosphoric acid, 7664-38-2; Biocompatible Materials; Durapatite, 1306-06-5; PowdersReferences: Jarcho, M., Calcium phosphates ceramics as hard tissue prosthetics (1981) Clin Orthop Relat Res, 157, pp. 259-278;Bucholz, R., Carlton, A., Holmes, R., Hydroxyapatite and tricalcium phosphate bone graft substitutes (1987) Orthop Clin N Am, 18, pp. 323-334; 
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},
	month = {2008///},
	pages = {483 - 493},
	abstract = {This study concerns the preparation, physical, and in vitro characterization of two different types of hydroxyapatite (HA) microspheres, which are intended to be used as drug-delivery systems and bone-regeneration matrices. Hydroxyapatite nanoparticles (HA-1 and HA-2) were prepared using the chemical precipitation synthesis with H                        3PO
                        4, Ca(OH) 
                        2, and a surfactant, SDS (sodium dodecyl sulfate), as starting reagents. The HA powders were dispersed in a sodium alginate solution, and spherical particles were obtained by droplet extrusion coupled with ionotropic gelation in the presence of Ca
                        2+. These were subsequently sintered to produce HA-1 and HA-2 microspheres with a uniform size and interconnected microporosity. Both powders and microspheres were characterized using FTIR and X-ray diffraction. Moreover, SEM and mercury intrusion porosimetry were used to analyze the microspheres, and TEM was used to analyze the powders. Results showed that pure HA and mixtures of HA/β-TCP in the nanometer range and needlelike shape were obtained for HA-1 and HA-2 powders, respectively. Neutral Red, scanning electron microscopy and confocal microscopy were used to evaluate the behavior of osteoblastic-like MG-63 cells cultured on HA microspheres surfaces for 7 days. Results showed that good adhesion and proliferation of osteoblasts on the HA microspheres surface. Cells built bridges between adjacent microspheres, forming microspheres-cells clusters in both types of materials. {\textcopyright} 2007 Wiley Periodicals, Inc.
},
	keywords = {alginic acid, analytic method, Apatite, article, Biocompatible Materials, Biological materials, biomaterial, Bone Regeneration, Calcium, calcium hydroxide, calcium phosphate, cell adhesion, Cell Line, cell proliferation, Chemical precipitation, Chemotherapy, Comparative studies, comparative study, controlled study, dodecyl sulfate sodium, Drug delivery, Drug delivery system (DDS), Drug Delivery Systems, Drug dosage, Durapatite, Gelation, human, human cell, Humans, hydroxyapatite, Hydroxyapatite (HAP), Hydroxylation, In vitro characterization, in vitro study, infrared spectroscopy, materials testing, Medical applications, Mercury intrusion porosimetry, microsphere, Microspheres, Nano-hydroxyapatite (n-HA), Nanohydroxyapatite, nanoparticle, nanoparticles, neutral red, osteoblast, Osteoblasts, Particle Size, phosphoric acid, porosity, powder, Powders, precipitation, Precipitation (chemical), reagent, Regeneration (renovating), Scanning electron microscopy, surfactant, synthesis, Synthesis (chemical), X ray diffraction},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-47049103112\&partnerID=40\&md5=138b3e2f3a97d8b398546d3f85567a0f},
	author = {Mateus, A.Y.P. and Barrias, C.C. and Ribeiro, C. and Ferraz, M.P. and Monteiro, F.J.}
}
@article {2349,
	title = {Frequency domain and entropy analysis of fetal heart rate: Appealing tools for fetal surveillance and pharmacodynamic assessment of drugs},
	journal = {Cardiovascular and Hematological Disorders - Drug TargetsCardiovasc. Hematol. Disord. Drug Targets},
	volume = {8},
	year = {2008},
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},
	month = {2008///},
	pages = {91 - 98},
	abstract = {Recently, frequency domain and entropy analysis of fetal heart rate (FHR) have been assessed in several studies, providing new insights into physiologic regulatory mechanisms, constituting appealing tools for pharmacodynamic assessment, namely during fetal life. There is evidence that entropy and frequency domain analysis convey information on cortical and autonomic nervous system activities, respectively. Use of internal versus external FHR acquisition sensors and the signal sampling frequency may dramatically affect results. Most FHR frequency domain indices are significantly increased with rising fetal activity, namely during active wakefulness and active sleep, whereas the opposite occurs with nonlinear indices. This is in favour of increased activity of the autonomous nervous system and decreased activity of the central nervous system complexity control systems, during periods of fetal activity. Progression of labor is associated with a significant increase in FHR frequency domain indices, whereas entropy indices are significantly decreased. This denotes activation of the autonomic nervous system in the final minutes of labour, associated with decreased central nervous system activity. The emerging knowledge on FHR frequency domain and entropy analysis substantiates a continued interest of these methods in evaluation of the fetal pathophysiologic regulatory mechanisms, and opens new perspectives for clinical and pharmacodynamic assessment. {\textcopyright} 2008 Bentham Science Publishers Ltd.},
	keywords = {acidemia, adrenergic receptor stimulating agent, alpha adrenergic receptor blocking agent, anticonvulsive agent, article, atropine, autonomic nervous system function, beta adrenergic receptor blocking agent, betamethasone, Cardiotocography, central depressant agent, central nervous system function, cholinergic receptor blocking agent, chronotropism, Computerized analysis, drug effect, drug mechanism, electronic sensor, entropy, External and internal monitoring, Female, Fetal behavioral states, Fetal heart rate (FHR), Fetal monitoring, fetus, fetus heart rate, fetus monitoring, frequency analysis, Frequency domain and entropy analysis, gestation period, Heart rate variability, Heart Rate, Fetal, human, Humans, instrumentation, labor, lidocaine, local anesthetic agent, magnesium sulfate, mathematical computing, methodology, nonhuman, opiate, pharmacodynamics, physiology, Pregnancy, prenatal screening, propranolol, pulse rate, review, salbutamol, signal detection},
	isbn = {1871529X (ISSN)},
	author = {Gon{\c c}alves, H. and Rocha, A.P. and Ayres-de-Campos, D. and Bemardes, J.}
}
@article {2366,
	title = {Jaw avascular osteonecrosis after treatment of multiple myeloma with zoledronate},
	journal = {Journal of Plastic, Reconstructive and Aesthetic SurgeryJ. Plast. Reconstr. Aesthetic Surg.},
	volume = {61},
	year = {2008},
	note = {Cited By (since 1996): 3Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.bjps.2006.06.016PubMed ID: 18068658Language of Original Document: EnglishCorrespondence Address: Maur{\'\i}cio, A.C.; Centro de Estudos de Ci{\^e}ncia Animal (CECA), Instituto de Ci{\^e}ncias, Tecnologias Agr{\'a}rias e Agro-Alimentares (ICETA), Campus Agrario Vairao, Rua Padre Armando Quintas, 4485-661 Vair{\~a}o, Portugal; email: ana.colette@mail.icav.up.ptChemicals/CAS: amoxicillin, 26787-78-0, 34642-77-8, 61336-70-7; cyclophosphamide, 50-18-0; cyclosporin, 79217-60-0; dexamethasone, 50-02-2; erythropoietin, 11096-26-7; thalidomide, 50-35-1; zoledronic acid, 118072-93-8, 131654-46-1, 165800-06-6, 165800-07-7; Bone Density Conservation Agents; Diphosphonates; Imidazoles; zoledronic acid, 118072-93-8References: Mundy, G.R., Bertoline, D.R., Bone destruction and hypercalcemia in plasma cell myeloma (1986) Semin Oncol, 13 (3), pp. 291-299;Belch, A.R., Bergsagel, D.E., Wilson, K., Effect of daily etidronate on the osteolysis of multiple myeloma (1991) J Clin Oncol, 9 (8), pp. 1397-1402; 
Kyle, R.A., Jowsey, J., Kelly, P.J., Multiple myeloma bone disease. The comparative effect of sodium fluoride and calcium carbonate or placebo (1975) N Engl J Med, 293 (26), pp. 1334-1338; 
Kyle, R.A., Multiple myeloma: review of 869 cases (1975) Mayo Clin Proc, 50 (1), pp. 29-40; 
Roodman, G.D., Pathogenesis of myeloma bone disease (2004) Blood Cells Mol Dis, 32 (2), pp. 290-292; 
Berenson, J.R., Myeloma bone disease (2005) Best Pract Res Clin Haematol, 18 (4), pp. 653-672; 
Ruggerio, S.L., Mekrotra, B., Rosenberg, T.J., Osteonecrosis of the jaws associated with the use of bisphosphonates: a review of 63 cases (2004) J Oral Maxillofac Surg, 62, pp. 527-534; 
Rodan, G.A., Fleisch, H.A., Bisphosphonates: mechanism of action (1996) J Clin Invest, 97 (12), pp. 2692-2696; 
Coleman, R.E., Metastatic bone disease: clinical features, pathophysiology and treatment strategies (2001) Cancer Treat Rev, 27 (3), pp. 165-176; 
Sietsema, W.K., Ebetino, F.H., Salvagno, A.M., Antiresorptive dose-response relationship across three generations of bisphosphonates (1989) Drugs Exp Clin Res, 15 (9), pp. 389-396; 
Schenk, R., Eggli, P., Fleisch, H., Quantitative morphometric evaluation of the inhibitory activity of new amino-bisphosphonates on bone resorption in the rat (1986) Calcif Tissue Int, 38, pp. 342-349; 
Jung, A., Bisaz, S., Fleisch, H., The binding of pyrophosphate and two diphosphonates by hydroxyapatite crystals (1973) Calcif Tissue Res, 11 (4), pp. 269-280; 
Coukell, A.J., Markham, A., Pamidronate. A review of its use in the management of osteolytic bone metastases, tumor-induced~hypercalcaemia and Paget{\textquoteright}s disease of bone (1998) Drugs Aging, 12 (2), pp. 149-168; 
Hughes, D.E., MacDonald, B.R., Russel, R.G.G., Inhibition of osteoclast-like cell formation by bisphosphonates in long-term cultures of human bone marrow (1989) J Clin Invest, 83 (6), pp. 1930-1935; 
Hughes, D.E., Wright, K.R., Uy, H.L., Bisphosphonates promote apoptosis in murine osteoclasts in vitro and in vivo (1995) J Bone Miner Res, 10 (10), pp. 1478-1487; 
Murakami, H., Takahashi, N., Sasaki, T., A possible mechanism of the specific action of bisphosphonates on osteoclasts: tiludronate preferentially affects polarized osteoclasts having ruffled borders (1995) Bone, 17 (2), pp. 137-144; 
Sahni, M., Guenther, H.L., Fleisch, H., Bisphosphonates act on rat bone resorption through the mediation of osteoblasts (1993) J Clin Invest, 91 (5), pp. 2004-2011; 
Fleisch, H., Bisphosphonates: mechanisms of action (1998) Endocr Rev, 19 (1), pp. 80-100; 
Shinoda, H., Adamek, G., F{\'e}lix, R., Structure-activity relationships of various bisphosphonates (1983) Calcif Tissue Int, 35 (1), pp. 87-99; 
Pereira, J., Mancini, I., Walker, P., The role of bisphosphonates in malignant bone pain: a review (1998) J Palliat Care, 14 (2), pp. 25-36; 
Purohit, O.P., Radstone, C.R., Anthony, C., A randomized double-blind comparison of intravenous pamidronate and clodronate in the hypercalcemia of malignancy (1995) Br J Cancer, 72 (5), pp. 1289-1293; 
Hillner, B.E., Ingle, J.N., Chlebowski, R.T., American Society of Clinical Oncology 2003 update on the role of bisphosphonates and bone health issues in women with breast cancer (2003) J Clin Oncol, 21 (21), pp. 4042-4057. , [Erratum in J Clin Oncol 2004;22(7):1351]; 
Hillner, B.E., Ingle, J.N., Berenson, J.R., American Society of Clinical Oncology guideline on the role of bisphosphonates in breast cancer. American Society of Clinical Oncology Bisphosphonates Expert Panel (2000) J Clin Oncol, 18 (6), pp. 1378-1391; 
Lacerna, L., Hohneker, J., Zoledronic acid for the treatment of bone metastases in patients with breast cancer and other solid tumours (2003) Semin Oncol, 30 (5 SUPPL. 16), pp. 150-160; 
Lipton, A., Costa, L., Ali, S., Use of markers of bone turnover for monitoring bone metastases and the response to therapy (2001) Semin Oncol, 28 (4 SUPPL. 11), pp. 54-59; 
Brincker, H., Westin, J., Abildgaard, N., Failure of oral pamidronate to reduce skeletal morbidity in multiple myeloma: a double-blind placebo-controlled trial. Danish-Swedish Co-operative Study Group (1998) Br J Haematol, 101 (2), pp. 3280-3286; 
Berenson, J.R., Lichtenstein, A., Porter, L., Long-term pamidronate treatment of advanced multiple myeloma patients reduces skeletal events. Myeloma Aredia Study Group (1998) J Clin Oncol, 16 (7), pp. 593-602; 
Berenson, J.R., Vescio, R.A., Lee, S.R., Phase I dose-ranging trial of monthly infusions of zoledronic acid for the treatment of osteolytic bone metastases (2001) Clin Cancer Res, 7 (3), pp. 478-485; 
Van Poznak, C.H., The use of bisphosphonates in patients with breast cancer (2002) Cancer Control, 9 (6), pp. 480-489; 
Marx, R.E., Pamidronate (Aredia) and zoledronate (Zometa) induced avascular necrosis of the jaws: a growing epidemic (2003) J Oral Maxillofac Surg, 61 (9), pp. 1115-1117; 
Vannucchi, A.M., Ficarra, G., Antonioli, E., Osteonecrosis of the jaw associated with zoledronate therapy in patient with multiple myeloma (2005) Br J Haematol, 128 (6), pp. 738-739; 
Wang, J., Goodger, N.M., Pogrel, M.A., Osteonecrosis of the jaws associated with cancer chemotherapy (2003) J Oral Maxillofac Surg, 61 (9), pp. 1104-1107; 
Purcell, P.M., Boyd, I.W., Bisphosphonates and osteonecrosis of the jaw (2005) Med J Aust, 182 (8), pp. 417-418; 
Carter, G., Goss, A.N., Doecke, C., Bisphosphonates and avascular necrosis of the jaw: a possible association (2005) Med J Aust, 182 (8), pp. 413-415; 
Durie, B., Katz, M., Crowley, J., Osteonecrosis of the jaw and bisphosphonates (2005) N Engl J Med, 353, pp. 99-102; 
Migliorati, C.A., Bisphosphonates and oral cavity avascular bone necrosis (2003) J Clin Oncol, 21 (22), pp. 4253-4254; 
Robinson, N.A., Yeo, J.F., Bisphosphonates - a word of caution (2004) Ann Acad Med Singapore, 33 (4), pp. 48-49; 
Starck, W.J., Epker, B.N., Failure of osseointegrated dental implants after diphosphonate therapy for osteoporosis: a case report (1995) Int J Oral Maxillofac Implants, 10 (1), pp. 74-78; 
Melo, M., Obeid, G., Osteonecrosis of the maxilla in a patient with a history of bisphosphonate therapy (2005) J Can Dent Assoc, 71 (2), pp. 111-113
},
	month = {2008///},
	pages = {99 - 106},
	abstract = {Purpose: Multiple myeloma, the second most common haematopoietic cancer, which represents the collection of plasma-cell neoplasms that invariably becomes fatal when self-renewing myeloma cells begin unrestrained proliferation. The major clinical manifestation of multiple myeloma is related to the loss of bone through osteolysis. This can lead to pathologic fractures, spinal cord compression, hypercalcaemia, and pain. It is also a major cause of morbidity and mortality in these patients, who frequently require radiation therapy, surgery and analgesic medications. Bisphosphonates are specific inhibitors of osteoclastic activity, and are currently used to prevent bone complications and to treat malignant hypercalcaemia in patients with multiple myeloma, or bone metastases from breast and prostate cancers. Hence, osteonecrosis of the mandible has been reported in three patients from Centro Hospitalar de Vila Nova de Gaia (CHVNG) with multiple myeloma treated for over 18-48 months with intravenous zoledronate, commonly prescribed for multiple myeloma therapy. Although, this report alerts clinicians about the potential complication of bone necrosis in patients receiving bisphosphonate therapy, many questions remain concerning the underlying pathogenesis of this process. Patients and methods: The medical and dental records of three patients with multiple myeloma, who were treated in CHVNG in the past 4 years, were reviewed. These three patients presented exposed bone and osteonecrosis of the mandible, and shared one common clinical feature: all of them were treated with bisphosphonate zoledronate, administered intravenously for long periods. Sequential orthopantomograms (OPGs) and histological evaluation have been analysed from the biopsies of the non healing dental extraction sites of these patients. Results: After a routine dental extraction, these patients developed avascular osteonecrosis of the mandible and secondary bone infection with Actinomyces israelii (actinomycotic osteomyelitis), with no evidence of metastatic disease evaluated by biopsy. In these three described clinical cases, surgical debridment without flap elevation, intensive antibiotherapy and the suspension of the zoledronate treatment allowed a partial recovery of the patients. The purpose of this clinical report is to point out that patients suffering from multiple myeloma can develop bone osteonecrosis induced by treatment with bisphosphonates. Research to determine the mechanism of this dental phenomenon is needed to fully validate and substantiate the possible link between bisphosphonate treatment of multiple myeloma or other cancer diseases and avascular osteonecrosis of the jaws. Until then, clinicians involved in the care of patients at risk should consider this possible complication. {\textcopyright} 2006 British Association of Plastic, Reconstructive and Aesthetic Surgeons.},
	keywords = {Actinomyces israelii, adult, aged, amoxicillin, antibiotic therapy, article, avascular necrosis, Avascular osteonecrosis, biopsy, Bisphosphonates, Bone Density Conservation Agents, case report, clinical feature, cyclophosphamide, cyclosporin, dexamethasone, Diphosphonates, drug induced disease, drug inhibition, drug withdrawal, erythropoietin, Female, histology, human, Humans, hypercalcemia, Imidazoles, Jaw, jaw avascular osteonecrosis, male, Mandibular Diseases, morbidity, mortality, Multiple myeloma, osteolysis, Osteonecrosis, pain, panoramic radiography, pathologic fracture, priority journal, Radiography, Panoramic, risk assessment, spinal cord compression, thalidomide, tooth extraction, zoledronic acid},
	isbn = {17486815 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-36649035515\&partnerID=40\&md5=3cc23473fdb164be7f8e067bea9e436e},
	author = {Lobato, J.V. and Maur{\'\i}cio, A.C. and Rodrigues, J.M. and Cavaleiro, M.V. and Cortez, P.P. and Xavier, L. and Botelho, C. and Hussain, N.S. and Santos, J.D.}
}
@book {2345,
	title = {Joint detection of the carotid boundaries in longitudinal B-mode images},
	series = {Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)Lect. Notes Comput. Sci.},
	volume = {5112 LNCS},
	year = {2008},
	note = {Conference code: 72695Export Date: 21 November 2012Source: Scopusdoi: 10.1007/978-3-540-69812-8_75Language of Original Document: EnglishCorrespondence Address: Rocha, R.; INEB - Instituto de Engenharia Biom{\'e}dica, Divis{\~a}o de Sinal e Imagem, Campus FEUP, 4200-465 Porto, PortugalReferences: Gee, A., Prager, R., Treece, G., Berman, L., Engineering a freehand 3D ultrasound system (2003) Pattern Recogn. Lett, 24 (4-5), pp. 757-777;Sonka, M., Liang, W., Stefancik, R., Stolpen, A., Handbook of Medical Imaging: Medical Image Processing and Analysis (2000) SPIE, 2; 
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Liang, Q., Wendelhag, I., Wikstrand, J., Gustavsson, T., A multiscale dynamic programming procedure for boundary detection in ultrasound artery images (2000) IEEE Trans. Med. Imag, 19 (2), pp. 127-142; 
Cheng, D., Jiang, X., Schmidt-Trucksass, A., Cheng, K., Automatic intima-media thickness measurement of carotid artery wall in B-mode sonographic images (2006) IEEE International Symposium on Biomedical Imaging (ISBI, pp. 912-915. , IEEE, Los Alamitos; 
Halenka, M., (1999) Noninvasive measurement of early atherosclerosis by high-resolution B-mode ultrasonography, 142, pp. 7-12. , Acta- Universitatis Palackianae Olomucensis Facultatis Medicae; 
Yu, Y., Acton, S., Speckle reducing anisotropic diffusion (2002) IEEE Trans. Image Processing, 11 (11), pp. 1260-1270; 
Yu, Y., Acton, S., Edge detection in ultrasound imagery using the instantaneous coefficient of variation (2004) IEEE Trans. Image Processing, 13 (12), pp. 1640-1655; 
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Tauber, C., (2005) Filtrage anisotrope robuste et segmentation par B-spline snake: Application aux images {\'e}chographiques, , PhD thesis, Institut National Polytechnique de Toulouse, Toulouse F{\'e}vrier; 
de Boor, C., (1978) A Practical Guide to Splines, , Springer, Heidelberg
},
	month = {2008///},
	pages = {760 - 769},
	address = {Povoa de Varzim},
	abstract = {This paper proposes a new approach for the automatic segmentation of the carotid adventitia in longitudinal B-scans, with and without the presence of plaque. The top and bottom adventitia contours are jointly detected with a 3D dynamic programing scheme that searches for the best pair of boundaries according to a specified fuzzy cost function. Some discriminating features of the adventitia in B-mode images are used to reduce the attraction by other edges. The final contours are filtered with a smoothing spline fitting. The proposed approach was quantitatively evaluated in a set of 38 images. In order to avoid high correlation of the results, a maximum of two images was selected from each patient. The carotid boundaries manually traced by a medical expert were used as the ground truth. Several statistics show that the proposed algorithm gives good results in most of the cases, including many poor quality images. Examples of the detected contours are presented and compared with the ground truth. {\textcopyright} 2008 Springer-Verlag Berlin Heidelberg.},
	keywords = {Automatic segmentations, B-Mode imaging, Edge detection, Fuzzy costs, Ground truth, Heidelberg (CO), Image analysis, Image enhancement, Imaging techniques, International conferences, Joint detection (JD), Medical experts, New approaches, Regression analysis, Smoothing splines},
	isbn = {03029743 (ISSN); 3540698116 (ISBN); 9783540698111 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-47749116940\&partnerID=40\&md5=05a049b90326c67d79da52c7a60679f7},
	author = {Rocha, R. and Campilho, A. and Silva, J.}
}
@article {2347,
	title = {Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states},
	journal = {Early Human DevelopmentEarly Hum. Dev.},
	volume = {84},
	year = {2008},
	note = {Cited By (since 1996): 16Export Date: 21 November 2012Source: ScopusCODEN: EHDEDdoi: 10.1016/j.earlhumdev.2007.12.001PubMed ID: 18248921Language of Original Document: EnglishCorrespondence Address: Bernardes, J.; Departamento de Ginecologia e Obstetr{\'\i}cia, Faculdade de Medicina, Universidade do Porto and INEB (Instituto Nacional de Engenharia Biom{\'e}dica), Porto, Portugal; email: jbernardes@mail.telepac.ptReferences: Ingemarsson, I., Herbst, A., Thorngren-Jerneck, K., Long term outcome after umbilical artery acidaemia at term birth: influence of gender and duration of fetal heart rate abnormalities (1997) Br J Obstet Gynaecol, 104 (10), pp. 1123-1127;Ingemarsson, I., Gender aspects of preterm birth (2003) BJOG, 110 (SUPPL. 20), pp. 34-38; 
DiPietro, J.A., Hodgson, D.M., Costigan, K.A., Hilton, S.C., Johnson, T.R., Development of fetal movement-fetal heart rate coupling from 20~weeks through term (1996) Early Hum Dev, 44 (2), pp. 139-151; 
DiPietro, J.A., Costigan, K.A., Shupe, A.K., Pressman, E.K., Johnson, T.R., Fetal neurobehavioral development: associations with socioeconomic class and fetal sex (1998) Dev Psychobiol, 33 (1), pp. 79-91; 
Ogueh, O., Steer, P., Gender does not affect fetal heart rate variation (1998) Br J Obstet Gynaecol, 105 (12), pp. 1312-1314; 
Dawes, N.W., Dawes, G.S., Moulden, M., Redman, C.W., Fetal heart rate patterns in term labor vary with sex, gestational age, epidural analgesia, and fetal weight (1999) Am J Obstet Gynecol, 180, pp. 181-187; 
Lange, S., Van Leeuwen, P., Geue, D., Hatzmann, W., Gronemeyer, D., Influence of gestational age, heart rate, gender and time of day on fetal heart rate variability (2005) Med Biol Eng Comput, 43 (4), pp. 481-486; 
Gon{\c c}alves, H., Bernardes, J., Rocha, A.P., Ayres-de-Campos, D., Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period (2007) Early Hum Dev, 83 (9), pp. 585-591; 
Nijhuis, J.G., Prechtl, H.F., Martin Jr., C.B., Bots, R.S., Are there behavioural states in the human fetus? (1982) Early Hum Dev, 6 (2), pp. 177-195; 
Gon{\c c}alves, H., Rocha, A.P., Ayres-de-Campos, D., Bernardes, J., Internal versus external intrapartum foetal heart rate monitoring: the effect on linear and nonlinear parameters (2006) Physiol Meas, 27 (3), pp. 307-319; 
Goncalves, H., Rocha, A.P., Bernardes, J., Ayres-de-Campos, D., Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery (2006) Med Biol Eng Comput, 44 (10), pp. 847-855; 
Ayres-de-Campos, D., Bernardes, J., Garrido, A., Marques-de-S{\'a}, Pereira-Leite, L., SisPorto 2.0 - a program for automated analysis of cardiotocograms (2000) J Matern Fetal Med, 9, pp. 311-318.; 
Magenes, G., Signorini, M.G., Arduini, D., Classification of cardiotocographic records by neural networks (2000) IJCNN 2000, Proceedings of the IEEE-INNS-ENNS International Joint Conference on Neural Networks, 3, pp. 637-641; 
Signorini, M.G., Magenes, G., Cerrutti, S., Arduini, D., Linear and nonlinear parameters for the analysis of fetal heart rate signal from cardiotacographic recordings (2003) IEEE Trans Biomed Eng, 50, pp. 365-373; 
Task force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology, Heart rate variability - standards of measurement, physiological interpretation and clinical use (1996) Circulation, 17, pp. 354-381; 
Boog, G., Analyse informatis{\'e}e du rythme cardiaque foetal au cours de la grosssesse et de l{\textquoteright}accouchement (2004) Encyclop{\'e}die M{\'e}dico-Chirurgicale, 148 (5-49 -D-23), pp. 1-10; 
Suzuki, T., Okamura, K., Kimura, Y., Watanabe, T., Yaegashi, N., Murotsuki, J., Power spectral analysis of R-R interval variability before and during the sinusoidal heart rate pattern in fetal lambs (2000) Am J Obstet Gynecol, 182, pp. 1227-1232; 
Pincus, S., Approximate entropy as a measure of system complexity (1991) Proc Natl Acad Sci U. S. A., 88, pp. 2297-2301; 
Richman, J.S., Moorman, J.R., Physiological time-series analysis using approximate entropy and sample entropy (2000) Am J Physiol Heart Circ Physiol, 278, pp. H2039-H2049; 
Fusheng, Y., Bo, H., Qingyu, T., Approximate entropy and its application in biosignal analysis (1998) Nonlinear biomedical signal processing - Volume II: Dynamical analysis and modelling, pp. 72-91. , Akay M. (Ed), IEEE Press; 
Pincus, S., Viscarello, R., Approximate entropy: a regularity measure for fetal heart rate analysis (1992) Obstet Gynecol, 79, pp. 249-255; 
Martinez, W.L., Martinez, A.R., (2002) Computational statistics handbook with MATLAB, , CRC Press; 
Dudewicz, E., Mishra, S., (1998) Modern Mathematical Statistics, , John Wiley and Sons, Inc; 
Robles de Medina, P.G., Visser, G.H., Huizink, A.C., Buitelaar, J.K., Mulder, E.J., Fetal behaviour does not differ between boys and girls (2003) Early Hum Dev, 73 (1-2), pp. 17-26; 
Ryan, S.M., Goldberger, A.L., Pincus, S.M., Mietus, J., Lipsitz, L.A., Gender- and age-related differences in heart rate dynamics: are women more complex than men? (1994) J Am Coll Cardiol, 24 (7), pp. 1700-1707; 
Jensen-Urstad, K., Storck, N., Bouvier, F., Ericson, M., Lindblad, L.E., Jensen-Urstad, M., Heart rate variability in healthy subjects is related to age and gender (1997) Acta Physiol Scand, 160 (3), pp. 235-241; 
Beckers, F., Verheyden, B., Aubert, A.E., Aging and nonlinear heart rate control in a healthy population (2006) Am J Physiol Heart Circ Physiol, 290 (6), pp. H2560-H2570; 
Kuo, T.B., Yang, C.C., Sexual dimorphism in the complexity of cardiac pacemaker activity (2002) Am J Physiol Heart Circ Physiol, 283 (4), pp. H1695-H1702; 
Groome, L.J., Mooney, D.M., Holland, S.B., Smith, L.A., Atterbury, J.L., Dykman, R.A., Behavioral state affects heart rate response to low-intensity sound in human fetuses (1999) Early Hum Dev, 54 (1), pp. 39-54; 
Fleisher, L.A., Dipietro, J.A., Johnson, T.R., Pincus, S., Complementary and non-coincident increases in heart rate variability and irregularity during fetal development (1997) Clin Sci (Lond), 92 (4), pp. 345-349; 
Bernardes, J., Costa-Pereira, A., Ayres-de-Campos, D., van Geijn, H.P., Pereira-Leite, L., Evaluation of interobserver agreement of cardiotocograms (1997) Int J Gynecol Obstet, Suppl, 57 (1), pp. 33-37; 
Ayres-de-Campos, D., Bernardes, J., Costa-Pereira, A., Pereira-Leite, L., Inconsistencies in expert{\textquoteright}s classification of cardiotocograms and subsequent clinical decision (1999) Br J Obstet Gynecol, 106, pp. 1307-1310; 
Bernardes, J., Moura, C., Marques-de-S{\'a}, J.P., Pereira-Leite, L., The Porto system for automated cardiotocographic signal analysis (1991) J Perinat Med, 19, pp. 61-65; 
Bernardes, J., Ayres-de-Campos, D., Costa-Pereira, A., Pereira-Leite, L., Garrido, A., Objective computerized fetal heart rate analysis (1998) Int J Gynaecol Obstet, 62 (2), pp. 141-147; 
Ayres-de-Campos, D., Costa-Santos, C., Bernardes, J., SisPorto Multicentre Validation Study Group. Prediction of neonatal state by computer analysis of fetal heart rate tracings: the antepartum arm of the SisPorto multicentre validation study (2005) Eur J Obstet Gynecol Reprod Biol, 118 (1), pp. 52-60; 
Dawes, G.S., Moulden, M., Redman, C.W., Improvements in computerized fetal heart rate analysis antepartum (1996) J Perinat Med, 24 (1), pp. 25-36
},
	month = {2008///},
	pages = {433 - 439},
	abstract = {Background: A better understanding of gender influences on fetal heart rate can help to improve analysis of the latter and perhaps elucidate the increased risk of perinatal death that occurs in males. Aim: To assess differences in linear and complex heart rate dynamics according to fetal sex, in the antepartum period of normal term pregnancies, for patterns associated with fetal behavioural states. Study design and subjects: One hundred and eighty seven fetal heart rate segments of 10-minute duration, acquired with a system for computerized analysis of cardiotocograms and classified into fetal behavioural patterns A, B, C or D were analysed. They had been acquired from 24 female and 23 male term fetuses, with uneventful perinatal outcomes. Four different comparative studies between female and male fetuses were conducted, considering different adjustments for gestational age, weight and FHR pattern. Outcome measures: Indices of linear and nonlinear fetal heart rate variability, namely, long-term irregularity index, very low, low and high frequency spectral indices, approximate entropy and sample entropy. Results: Pattern B was the most frequent, both in female and male fetuses. Pattern A was more likely to be associated to female than male fetuses, whereas the opposite occurred with patterns C and D. Linear indices were significantly higher in male than in female fetuses, whereas the opposite occurred with nonlinear indices. Conclusions: Male fetuses exhibited significantly more linear and significantly less complex fetal heart rate activity than female fetuses, expressing signs of a more active autonomous nervous system and of less active complexity control systems. These aspects may need to be considered when interpreting FHR tracings. {\textcopyright} 2007 Elsevier Ireland Ltd. All rights reserved.},
	keywords = {article, Behavior, Cardiotocography, comparative study, Computerized analysis, Entropy and spectral analysis, Female, Fetal behavioural states and sex, Fetal heart rate, Fetal monitoring, Fetal Movement, fetus, fetus heart rate, Gestational Age, heart hemodynamics, Heart Rate, Fetal, human, Humans, male, normal human, Pregnancy, Pregnancy Outcome, Sex Characteristics, sex difference, SisPorto},
	isbn = {03783782 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-44749091847\&partnerID=40\&md5=0a0fcbbe86dcad0bee063b6cc7687573},
	author = {Bernardes, J. and Gon{\c c}alves, H. and Ayres-de-Campos, D. and Rocha, A.P.}
}
@article {2339,
	title = {Linear and nonlinear heart-rate analysis in a rat model of acute anoxia},
	journal = {Physiological MeasurementPhysiol. Meas.},
	volume = {29},
	year = {2008},
	note = {Cited By (since 1996): 6Export Date: 21 November 2012Source: ScopusCODEN: PMEAEdoi: 10.1088/0967-3334/29/9/010PubMed ID: 18784391Language of Original Document: EnglishCorrespondence Address: Gon{\c c}alves, H.; Departamento de Matem{\'a}tica Aplicada, Faculdade de Ci{\^e}ncias, Universidade Do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal; email: hernani.goncalves@fc.up.ptReferences: American College of Obstetricians and Gynecologists. ACOG Practice Bulletin. Clinical Management Guidelines for Obstetrician-Gynecologists, Number 70, December 2005 (2005) Obstet. Gynecol., 106, pp. 1453-1460;Ayres-De-Campos, D., Bernardes, J., Garrido, A., Marques-De-S{\'a}, J., Pereira-Leite, L., SisPorto 2.0: A program for automated analysis of cardiotocograms (2000) J. Mat. Fet. Med., 9 (5), pp. 311-318; 
Ayres-De-Campos, D., Santos, C., Bernardes, J., Prediction of neonatal state by computer analysis of fetal heart rate tracings: The antepartum arm of the SisPorto{\textregistered} validation study (2005) Eur. J. Obstet. Gynecol. Reprod. Biol., 118 (1), pp. 52-60; 
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Gon{\c c}alves, H., Bernardes, J., Rocha, A.P., Ayres-De-Campos, D., Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period (2007) Early Human Develop., 83 (9), pp. 585-591; 
Gon{\c c}alves, H., Rocha, A.P., Ayres-De-Campos, D., Bernardes, J., Internal versus external intrapartum foetal heart rate monitoring: The effect on linear and nonlinear parameters (2006) Physiol. Meas., 27 (3), pp. 307-319; 
Gon{\c c}alves, H., Rocha, A.P., Ayres-De-Campos, D., Bernardes, J., Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery (2006) Med. Biol. Eng. Comput., 44 (10), pp. 847-855; 
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Louren{\c c}o, A.P., Roncon-Albuquerque, R., Bras-Silva, C., Faria, B., Wieland, J., Henriques-Coelho, T., Correia-Pinto, J., Leite-Moreira, A.F., Myocardial dysfunction and neurohumoral activation without remodeling in left ventricle of monocrotaline-induced pulmonary hypertensive rats (2006) Am. J. Physiol. Heart Circ. Physiol., 291 (4), pp. 1587-H1594; 
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Pincus, S., Viscarello, R., Approximate Entropy: A regularity measure for fetal heart rate analysis (1992) Obstet. Gynecol., 79, pp. 249-255; 
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Signorini, M.G., Magenes, G., Cerrutti, S., Arduini, D., Linear and nonlinear parameters for the analysis of fetal heart rate signal from cardiotacographic recordings (2003) IEEE Trans. Biomed. Eng., 50 (3), pp. 365-373; 
Siira, S.M., Ojala, T.H., Vahlberg, T.J., Jalonen, J.O., Valimaki, I.A., Rosen, K.G., Ekholm, E.M., Marked fetal acidosis and specific changes in power spectrum analysis of fetal heart rate variability recorded during the last hour of labour (2005) BJOG, 112 (4), pp. 418-423; 
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Vieira, P., Marques-De-S{\'a}, J.P., Bernardes, J., Fractal analysis of foetal heart rate (2004) Proc. Biosignal 2004, pp. 53-55
},
	month = {2008///},
	pages = {1133 - 1143},
	abstract = {The objective of this study was the assessment of heart-rate (HR) dynamics with linear and nonlinear methods during episodes of mechanical ventilation and acute anoxia in rats. Namely, to assess whether linear and nonlinear HR analysis was able to discriminate acute anoxia from baseline in rats and if this was consistent with human foetal and adult studies. Five HR segments of 1 min duration, during baseline recording, mechanical ventilation and first, second and third minutes of induced acute anoxia, were analysed in ten adult Wistar rats. Linear time and frequency domain and nonlinear methods were used, namely mean HR (mHR), long-term irregularity (LTI), interval index (II), low frequency (LF) and high frequency (HF), approximate entropy (ApEn) and sample entropy (SampEn). New parameters for the entropy indices are proposed for the analysis of rats{\textquoteright} HR. Bootstrap percentile confidence intervals and nonparametric statistical tests were used in the evaluation of the differences between segments. During mechanical ventilation a clear spectral band was detectable at the ventilation rate, but mHR, II and the {\textquoteright}new{\textquoteright} entropy indices were the only significantly changed indices. In the transition from baseline-mechanical- ventilation to mechanical-ventilation-induced anoxia, a statistically significant decrease of mHR, II and entropy indices was observed, clearly discriminating these two instances, whereas most linear indices increased. With continued anoxia, most linear indices decreased significantly, whereas entropy remained stably low. These results are consistent with other foetal human and non-human studies and evidence that the rat model may be used for further research on linear and nonlinear analysis of heart-rate dynamics. The transition from baseline to acute anoxia was encompassed by signs of increased activation of the autonomic nervous system sympathetic branch, and decreased or blunted activity of the HR complexity regulatory centres. {\textcopyright} 2008 Institute of Physics and Engineering in Medicine.},
	keywords = {acute disease, animal experiment, animal model, Animals, Anoxia, article, artificial ventilation, bootstrapping, controlled study, entropy, Female, Fetal monitoring, frequency analysis, Heart rate, Heart rate variability, Humans, Linear analysis, linear system, lung ventilation, Models, Cardiovascular, nonhuman, nonlinear system, priority journal, rat, Rats, Rats, Wistar, Rattus, Rattus norvegicus, Respiration, Artificial, Statistical analysis, Variability, Wistar rat, Wistar rats},
	isbn = {09673334 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-51849120545\&partnerID=40\&md5=56be327bb0d959060a2f4a0f080ae264},
	author = {Gon{\c c}alves, H. and Henriques-Coelho, T. and Bernardes, J. and Rocha, A.P. and Nogueira, A. and Leite-Moreira, A.}
}
@conference {2374,
	title = {Automatic vertebra detection in x-ray images},
	booktitle = {Proceedings of the International Symposium CompIMAGE 2006 - Computational Modelling of Objects Represented in Images: Fundamentals, Methods and ApplicationsProc. Int. Symp. CompIMAGE - Comput. Model. Objects Represent. Images: Fundam., Methods Appl.},
	series = {International Symposium CompIMAGE 2006 - Computational Modelling of Objects Represented in Images: Fundamentals, Methods and Applications},
	year = {2007},
	note = {Conference code: 75470Export Date: 21 November 2012Source: ScopusLanguage of Original Document: EnglishCorrespondence Address: Moura, D. C.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Sinal e Imagem, Porto, PortugalReferences: Benameur, S., Mignotte, M., Labelle, H., Guise, J.A.D., A hierarchical statistical modeling approach for the unsupervised 3-d biplanar reconstruction of the scoliotic spine (2005) IEEE Trans Biomed Eng, 52 (12), pp. 2041-2057. , December;de Bruijne, M. and M. Nielsen (2004a). Image segmentation by shape particle filtering, Chapter III, pp. 722-725. International Conference on Pattern Recognition. IEEE Computer Society Pressde Bruijne, M., Nielsen, M., Shape particle filtering for image segmentation (2004) Lecture Notes in Computer Science, 3216, pp. 168-175. , of, Chapter I, pp, Springer; 
Ghebreab, S., Smeulders, A., Combining strings and necklaces for interactive threedimensional segmentation of spinal images using an integral deformable spine model (2004) IEEE Trans Biomed Eng, 51 (10), pp. 1821-1829. , October; 
Pomero, V., Mitton, D., Laporte, S., de Guise b, J.A., Skalli, W., Fast accurate stereoradiographic 3d-reconstruction of the spine using a combined geometric and statistic model (2004) Clinical Biomechanics, 19 (3), pp. 240-247. , March; 
Scott, I., Cootes, T., Taylor, C., Shape particle filtering for image segmentation (2003) Lecture Notes in Computer Science, 2732, pp. 258-269. , of, Springer; 
Smyth, P., Taylor, C., Adams, J., Vertebral shape: Automatic measurement with active shape models (1999) Radiology, 211 (2), pp. 571-578; 
Zamora, G., Sari-Sarrafa, H., Long, R., Hierarchical segmentation of vertebrae from x-ray images (2003) Med Imaging: Image Process, 5032, pp. 631-642. , SPIE Press
},
	month = {2007///},
	pages = {307 - 312},
	address = {Coimbra},
	abstract = {In this paper we will describe our experiments with x-ray image analysis for vertebra detection in juvenile/adolescent patients with idiopathic scoliotic spines. We will focus on detecting vertebrae location in a anterior-posterior x-ray image in a fully automatic way. For accomplishing this, we propose a set of techniques for (i) isolating the spine by removing other bone structures (e.g. ribs), (ii) detecting vertebrae location along the spine using an hierarchical and progressive threshold analysis, and (iii) detecting vertebrae lateral boundaries. {\textcopyright} 2007 Taylor \& Francis Group.},
	keywords = {Anterior posteriors, Bone structures, Image analysis, Lateral boundaries, Mammals, Threshold analysis, X ray analysis, X ray apparatus, X-ray images},
	isbn = {9780415433495 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-60749117244\&partnerID=40\&md5=94ba6d9db7e15f538851da273b28d8aa},
	author = {Moura, D.C. and Correia, M.V. and Barbosa, J.G. and Reis, A.M. and Laranjeira, M. and Gomes, E.}
}
@book {2385,
	title = {Characterization of hydroxyapatite sputtered films doped with titanium},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {330-332 I},
	year = {2007},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Ribeiro, A.R.; INEB-Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Universidade do Porto, Rua Campo Alegre, 823, 4150-180 Porto, Portugal; email: arr@ineb.up.ptReferences: Bhat, (2002) Biomaterials, , Narosa Publishing House/Kluwer Academic Publishers, India;Feddes B, Vredenberg AM. Wolke JGC, Jansen JA.: Surface and Coatings Technology 185 (2-3) (2004), p. 346Gisep, A., (2002) Injury-International Journal of the Care of the Injured, 33 (SUPPL. 2), p. 88; 
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Ribeiro, C.C., Barrias, C.C., Barbosa, M.A., (2004) Biomaterials, 25, p. 4363; 
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Thian, E.S., Huang, J., Best, S.M., Barber, Z.H., Bonfield, W., (2005) Biomaterials, 26, p. 2947
},
	month = {2007///},
	pages = {649 - 652},
	abstract = {In the present work, thin films of hydroxyapatite (HAp), titanium, and hydroxyapatite doped with different titanium concentrations were obtained by sputtering and characterized using several analytical techniques. These films are intended to be used as model surfaces on protein adsorption studies in order to better understand the role of titanium ions in biological processes.},
	keywords = {Adsorption, Biofilms, Doping (additives), hydroxyapatite, Hydroxyapatite sputtered films, Model surfaces, Proteins, Sputtering, Titanium, Titanium ions},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33846300257\&partnerID=40\&md5=7946215d8f37e0e216b57336b89f0f02},
	author = {Ribeiro, A.R. and Piedade, A.P. and Ribeiro, C.C. and Vieira, M.T. and Barbosa, M.A.}
}
@book {2414,
	title = {Calcium phosphate microspheres for localised delivery of a therapeutic enzyme},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {309-311 II},
	year = {2006},
	note = {Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Barrias, C.C.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, R. Campo Alegre 823, 4150-180 Porto, Portugal; email: ccbarrias@ineb.up.ptReferences: Barrias, C.C., Ribeiro, C.C., Barbosa, M.A., (2004) Key Eng. Mater., 254-256, p. 877;Barrias, C.C., Ribeiro, C.C., Lamghari, M., Miranda, C.S., Barbosa, M.A., (2005) J. Biomed. Mater. Res. A, 72 A, p. 57; 
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Barrias, C.C., Martins, M.A., Miranda, M.A., Barbosa, M.A., (2005) Biomaterials, 26, p. 2695
},
	month = {2006///},
	pages = {903 - 906},
	abstract = {The ability of calcium titanium phosphate (CTP) and hydroxyapatite (HAp) microspheres to reversibly adsorb the enzyme glucocerebrosidase (GCR) while preserving its biological activity, and efficiently deliver it to Gaucher disease (GD) fibroblasts was investigated. CTP microspheres adsorbed ca. 3.6-fold more GCR than HAp microspheres. The activity of adsorbed GCR was higher than the free enzyme in the case of CTP microspheres and lower when HAp was used. GCR release from both types of microspheres was characterized by the initial elution of a large percentage of enzyme followed by a delayed release that extended for at least 30 days. Released GCR was internalized by GD fibroblasts increasing their intracellular enzymatic activity. In cells treated with the same amount of GCR-loaded CTP microspheres or free-GCR a higher intracellular activity was detected in the former case, suggesting an improved efficacy.},
	keywords = {Adsorption, Biocompatibility, biological activity, Biomaterials, Calcium Compounds, Calcium titanium phosphate, Calcium titanium phosphate (CTP), Cells, Enzyme adsorption, Enzymes, hydroxyapatite, Microspheres},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33645396489\&partnerID=40\&md5=de3cf8530e8c690b254fed782b964340},
	author = {Barrias, C.C. and Ribeiro, C.C. and Martins, M.C.L. and Barbosa, M.A. and Rodrigues, D. and Miranda, M.C.S.}
}
@article {2409,
	title = {Cellulose phosphates as biomaterials. In vitro biocompatibility studies},
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	year = {2006},
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},
	month = {2006///},
	pages = {728 - 739},
	abstract = {Grafting of phosphate groups has been investigated as a means to render biomedical polymers able to induce the formation of an apatite layer. In the present investigation, regenerated cellulose hydrogels were surface modified by phosphorylation using a previously reported method. The in vitro biocompatibility of materials with varying phosphate contents was evaluated in cultured human bone marrow stromal cells (HBMSC), in terms of cytotoxicity, cell attachment, proliferation and immunohistochemistry. Negatively charged cellulose phosphates were neutralized in the form of the calcium salt before contact with cells. Cellulose phosphates were not cytotoxic, independently of the phosphate content. Unmodified regenerated cellulose hydrogels showed good rates of HBMSC attachment and proliferation. On the contrary, negatively charged, highly hydrophilic, phosphorylated surfaces showed poor HBMSC attachment and proliferation, as well as poor alkaline phosphatase-specific activity and expression of osteocalcin and type I collagen. Differences found are discussed in terms of surface chemical functionality, hydrophilicity and charge. {\textcopyright} 2005 Elsevier B.V. All rights reserved.},
	keywords = {Biocompatibility, Biomaterials, Cell attachment, Cell culture, Cellulose, Cellulose derivatives, Cellulose phosphates, Cytotoxicity, Grafting (chemical), Human bone marrow stromal cells, Hydrogels, hydrophilicity, immunohistochemistry, In vitro, Phosphorylation, Proliferation, Regenerated cellulose hydrogels, toxicity},
	isbn = {13815148 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33745266092\&partnerID=40\&md5=52325c348b6bd4139bbfb3dbc0419bd8},
	author = {Granja, P.L. and J{\'e}so, B.D. and Bareille, R. and Rouais, F. and Baquey, C. and Barbosa, M.A.}
}
@article {2404,
	title = {Differentiation of mononuclear precursors into osteoclasts on the surface of Si-substituted hydroxyapatite},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {78},
	year = {2006},
	note = {Cited By (since 1996): 13Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.30726PubMed ID: 16739170Language of Original Document: EnglishCorrespondence Address: Brooks, R.A.; Orthopaedic Research Unit, Box 180, Addenbrooke{\textquoteright}s Hospital, Hills Road, Cambridge CB2 2QQ, United Kingdom; email: rb10003@cam.ac.ukChemicals/CAS: calcium, 7440-70-2; hydroxyapatite, 1306-06-5, 51198-94-8; phosphate, 14066-19-4, 14265-44-2; silicon, 7440-21-3; Antigens, CD14; Durapatite, 1306-06-5; Silicon, 7440-21-3References: Schilling, A., Linhart, W., Filke, S., Gebauer, M., Schinke, T., Rueger, J., Amling, M., Resorbability of bone substitute biomaterials by human osteoclasts (2004) Biomaterials, 25, pp. 3963-3972;Miller, P., Baram, D., Bilezkian, J., Greenspan, S., Lindsay, R., Riggs, B., Watts, N., Practical clinical application of biochemical markers of bone turnover: Consensus of an expert panel (1999) J Clin Densitom, 2, pp. 323-342; 
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Botelho, C.M., Brooks, R.A., Lopes, M.A., Santos, J.D., Best, S.M., Rushton, N., Bonfield, W., Biological and physical-chemical characterization of phase pure hydroxyapatite and silicon-substituted hydroxyapatite by different microscopy techniques (2004) Key Eng Mater, 254-256, pp. 845-849; 
Gibson, I.R., Hung, J., Best, S.M., Bonfield, W., Enhanced in vitro cell activity and surface apatite layer formation on novel silicon-substituted hydroxyapatites (1999) Bioceramics, 12, pp. 191-194. , Ohgushi H, Hastings GW, Yoshikawa T, editors. Nara, Japan: World Scientific Publishing; 
Jha, L.J., Best, S.M., Santos, J.D., Gibson, I.R., Bonfield, W., Silicon-substituted apatites and process for the preparation thereof. Worldwide Pat PCT/GB97/02325, 1999Gibson, I., Best, S.M., Bonfield, W., Chemical characterization of silicon-substituted hydroxyapatite (1999) J Biomed Mater Res, 44 B, pp. 422-428; 
Botelho, C.M., Lopes, M.A., Gibson, I.R., Best, S.M., Santos, J.D., Structural analysis of Si-substituted hydroxyapatite: Zeta potential and X-ray photoelectron spectroscopy (XPS) (2002) J Mater Sci: Mater Med, 13, pp. 1123-1127; 
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Botelho, C.M., Brooks, R.A., Kawai, T., Ogata, S., Ohtsuki, C., Best, S.M., Lopes, M.A., Bonfield, W., In vitro analysis of protein adhesion to phase pure hydroxyapatite and silicon-substituted hydroxyapatite (2005) Key Eng Mat, 284-286, pp. 461-464
},
	month = {2006///},
	pages = {709 - 720},
	abstract = {In healthy bone, resorption and synthesis are in perfect coordination. In previous studies we demonstrated that the incorporation of silicon into the hydroxyapatite (HA) lattice enhances the proliferation and differentiation of human osteoblasts. Therefore, the aim of this study was to demonstrate the effect of silicon-substituted HA (0.8 and 1.5 wt \% Si-HA) on the differentiation of mononuclear cells into osteoclasts, using two different starting cultures, peripheral blood mononuclear cells (PBMC) and monocytes expressing the CD14 antigen (CD14                        +). Through this study, it was possible to demonstrate that Si-HA allows the differentiation of mononuclear cells into mature osteoclasts, independent of the starting culture, PBMC or CD14
                        +. Most of the cells on the surface of the materials expressed osteoclastic markers: actin rings, several nuclei, positivity for tartrate-resistant acid phosphatase (TRAP), and vitronectin receptor. In the presence of osteoclasts, a higher release of calcium and phosphate into the medium from the 1.5 wt \% Si-HA substrate was detected when compared to the HA substrate; therefore, these results indicate higher osteoclastic resorptive activity on the 1.5 wt \% Si-HA surface. Si-HA can be resorbed by cellular mechanisms and have a stimulatory effect on osteoclasts, although the underlying mechanism is still poorly understood. {\textcopyright} 2006 Wiley Periodicals, Inc.
},
	keywords = {acid phosphatase tartrate resistant isoenzyme, actin, Antigens, CD14, article, Biomarkers, Calcium, CD14 antigen, cell differentiation, Cells, controlled study, Differentiation, Durapatite, human, human cell, hydroxyapatite, Microscopy, Fluorescence, monocyte, Monocytes, Monocytes CD14 positive, Osteoblasts, osteoclast, Osteoclasts, osteolysis, peripheral blood mononuclear cell, Peripheral blood mononuclear cells, phosphate, Silicon, Silicon-substituted hydroxyapatite, Sorption, Substitution reactions, Substrates, surface property, Synthesis (chemical), vitronectin receptor},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33748188416\&partnerID=40\&md5=57eb54a8d9a9fb85ada3a8fa45d323fa},
	author = {Botelho, C.M. and Brooks, R.A. and Spence, G. and McFarlane, I. and Lopes, M.A. and Best, S.M. and Santos, J.D. and Rushton, N. and Bonfield, W.}
}
@article {2410,
	title = {Effect of surface treatments on anodic oxide film growth and electrochemical properties of tantalum used for biomedical applications},
	journal = {Journal of Biomaterials ApplicationsJ. Biomater. Appl.},
	volume = {21},
	year = {2006},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: JBAPEdoi: 10.1177/0885328206056378Language of Original Document: EnglishCorrespondence Address: Silva, R.A.; Instituto Superior de Engenharia do Porto, ISEP-CIEA, Rua Dr. A.B. de Almeida, 431, 4200-072 Porto, Portugal; email: ras@isep.ipp.ptChemicals/CAS: oxide, 16833-27-5; tantalum, 7440-25-7; Biocompatible Materials; Membranes, Artificial; Oxides; Tantalum, 7440-25-7References: Goy, J.J., Eeckhout, E., Stauffer, J.C., Vogt, P., Kappenberger, L., Emergency Endoluminal Stenting for Abrupt Vessel Closure following Coronary Angioplasty: A Randomised Comparison of the Wiktor and Palmaz-Schatz Stents (1995) Catheter. Cardiov. Diag., 34 (2), pp. 128-132;Hamasaki, N., Nosaka, H., Kimura, T., Nakagawa, Y., Yokoi, H., Nobuyioshi, M., Initial Experience with the Cordis Stent: Analysis of Serial Angiographic Follow-up (1995) Catheter. Cardiov. Diag., 42 (2), pp. 166-172; 
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Strecker, E.-P.K., Boos, I.B.L., G{\"o}ttman, D.V.S., Haase, W., Popliteal Artery Stenting Using Flexible Tantalum Stents (2001) Cardiovasc. Intervent. Radiol., 24 (3), pp. 168-175; 
Rieger, J., Hautmann, H., Linsenmaier, U., Weber, C., Treitl, M., Huber, R.M., Pfeifer, K.-J., Treatment of Benign and Malignant Tracheobronchial Obstruction with Metal Wire Stents: Experience with a Balloon-expandable and a Self Expandable Stent Type (2004) Cardiovasc. Intervent. Radiol., 27 (4), pp. 339-343; 
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Thierry, B., Tabrizian, M., Trepanier, C., Savadogo, O., Yahia, L.H., Effect of Surface Treatment and Sterilization Processes on the Corrosion Behavior of NiTi Shape Memory Alloy (2000) J. Biomed. Mater. Res., 51 (4), pp. 685-693; 
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Starovesky, D., Gotman, I., Corrosion of Titanium Nitride Coated Ni-Ti Shape Memory Surgical Implant (2001) Biomaterials, 22 (13), pp. 1853-1859; 
Chen, J.Y., Leng, Y.X., Tian, X.B., Wang, L.P., Huang, N., Chu, P.K., Yang, P., Antithrombogenic Investigation of Surface Energy and Optical Bandgap and Hemocompatibility Mechanism of Ti(Ta(+5))O 2 (2002) Biomaterials, 23 (12), pp. 2545-2552; 
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},
	month = {2006///},
	pages = {93 - 103},
	abstract = {Self-expandable nitinol (nickel-titanium) alloys and 316L stainless steel are the most commonly used materials in the production of coronary stents. However, tantalum (Ta) has already been used to make stents for endovascular surgery and may constitute an alternative to other materials because of its better electrochemical performance, namely its higher corrosion resistance, as well as its radio-opacity. The characterization of wet polished, chemically polished, wet polished anodized, and chemically polished anodized Ta electrodes has been performed in a 0.15 M NaCl solution (simulated body fluid) using U                        corr=f(t) measurements, anodic polarizations, capacity measurements, anodic oxidations, and atomic force microscopy (AFM) imaging. Anodic polarization curves have shown that the abnormal current density peak with a maximum value around 1.65 V (critical applied potential, U
                        c) disappeared for the anodized electrodes indicating a probable relationship between the surface states and the film growth. These results are confirmed by capacity measurements. The behavior of wet polished and chemically polished electrodes during anodic oxidations seemingly indicated that for these particular treatments the film growth is different. The AFM images and roughness measurements have shown that chemical polishing produced smoother electrodes, a fact probably related to the differences in film growth. {\textcopyright} 2006 Sage Publications.
},
	keywords = {AFM, Anodic films, Anodic oxide film growth, Anodic polarization, article, artificial membrane, Atomic force microscopy, Biocompatible Materials, biomaterial, Biomedical applications, Biomedical engineering, Chemical polishing, chemistry, Coronary stents, Corrosion resistance, Crystallization, Current density, electric conductivity, Electrochemical properties, electrochemistry, electrode, Electrodes, materials testing, Membranes, Artificial, methodology, oxidation reduction reaction, Oxidation-Reduction, oxide, Oxides, Polarization, Surface Properties, surface property, Surface treatment, Tantalum, Tantalum electrodes},
	isbn = {08853282 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33746412438\&partnerID=40\&md5=e418196142aae805bc91d17a99fcc517},
	author = {Silva, R.A. and Silva, I.P. and Rondot, B.}
}
@article {2392,
	title = {Fibrinogen adsorption, platelet adhesion and activation on mixed hydroxyl-/methyl-terminated self-assembled monolayers},
	journal = {BiomaterialsBiomaterials},
	volume = {27},
	year = {2006},
	note = {Cited By (since 1996): 70Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2006.06.010PubMed ID: 16842847Language of Original Document: EnglishCorrespondence Address: Martins, M.C.L.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Universidade do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: cmartins@ibmc.up.ptChemicals/CAS: fibrinogen, 9001-32-5; glutaraldehyde, 111-30-8, 37245-61-7; gold, 7440-57-5; thiol derivative, 13940-21-1; Alkanes; Biocompatible Materials; Fibrinogen, 9001-32-5; hydroxide ion, 14280-30-9; Hydroxides; Sulfhydryl CompoundsReferences: Savage, B., Ruggeri, Z.M., Selective recognition of adhesive sites in surface-bound fibrinogen by glycoprotein-iib-iiia on nonactivated platelets (1991) J Biol Chem, 266 (17), pp. 11227-11233;Tsai, W.B., Grunkemeier, J.M., McFarland, C.D., Horbett, T.A., Platelet adhesion to polystyrene-based surfaces preadsorbed with plasmas selectively depleted in fibrinogen, fibronectin, vitronectin, or von Willebrand{\textquoteright}s factor (2002) J Biomed Mater Res, 60 (3), pp. 348-359; 
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Gon{\c c}alves, I.C., Martins, M.C.L., Barbosa, M.A., Ratner, B.D., Protein adsorption on 18-alkyl chains immobilized on hydroxyl-terminated self-assembled monolayers (2005) Biomaterials, 26 (18), pp. 3891-3899; 
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},
	month = {2006///},
	pages = {5357 - 5367},
	abstract = {The effect of surface wettability on fibrinogen adsorption, platelet adhesion and platelet activation was investigated using self-assembled monolayers (SAMs) containing different ratios of longer chain methyl- and shorter chain hydroxyl-terminated alkanethiols (C15CH3 vs. C11OH) on gold. Protein adsorption studies were performed using radiolabeled human fibrinogen (HFG). Platelet adhesion and activation studies with and without pre-adsorbed fibrinogen, albumin and plasma were assessed using scanning electron microscopy (SEM) and a glutaraldehyde-induced fluorescence technique (GIFT). Results demonstrated a linear decrease of HFG adsorption with the increase of OH groups on the monolayer (increase of the hydrophilicity). Platelet adhesion and activation also decrease with increase of hydrophilicity of surface. Concerning SAMs pre-immersed in proteins, fibrinogen adsorption was related with high platelet adhesion and activation. The passivant effect of albumin on platelet adhesion and activation was only demonstrated on SAMs contained C11OH. When all the blood proteins are present (plasma) platelet adhesion was almost absent on SAMs with 65\% and 100\% C11OH. This could be explained by the higher albumin affinity of the SAMs with 65\% C11OH and the lower total protein adsorption associated with SAMs with 100\% C11OH. {\textcopyright} 2006 Elsevier Ltd. All rights reserved.},
	keywords = {Adsorption, Albumin, alkane derivative, Alkanes, article, binding affinity, Biocompatible Materials, Blood Platelets, Cells, Cultured, Chemical reactions, controlled study, Crystallization, fibrinogen, Fluorescence, fluorescence analysis, glutaraldehyde, gold, human, human cell, Humans, hydrophilicity, Hydroxides, hydroxyl group, materials testing, methyl group, Methylation, monolayer culture, Monolayers, normal human, Organic compounds, plasma, Plasma protein, Platelet activation, Platelet adhesion, Platelet Adhesiveness, priority journal, Protein adsorption, protein binding, Proteins, Radiolabeled human fibrinogen (HFG), Scanning electron microscopy, Self assembled, SEM, Sulfhydryl Compounds, surface property, thiol derivative, thrombocyte adhesion, wettability},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33746216936\&partnerID=40\&md5=c2c54ad0448df431fbd884394915eb51},
	author = {Rodrigues, S.N. and Gon{\c c}alves, I.C. and Martins, M.C.L. and Barbosa, M.A. and Ratner, B.D.}
}
@article {2391,
	title = {Human osteoblast response to silicon-substituted hydroxyapatite},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {79},
	year = {2006},
	note = {Cited By (since 1996): 33Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.30806PubMed ID: 16871624Language of Original Document: EnglishCorrespondence Address: Brooks, R.A.; Orthopaedic Research Unit, Box 180, Addenbrooke{\textquoteright}s Hospital, Hills Road, Cambridge CB2 3QZ, United Kingdom; email: rb10003@cam.ac.ukChemicals/CAS: alkaline phosphatase, 9001-78-9; glycerol 2 phosphate, 17181-54-3; hydrocortisone, 50-23-7; hydroxyapatite, 1306-06-5, 51198-94-8; osteocalcin, 136461-80-8; silicon, 7440-21-3; tetracycline, 23843-90-5, 60-54-8, 64-75-5; Collagen Type I; Durapatite, 1306-06-5; ectonucleotide pyrophosphatase phosphodiesterase 1, EC 3.1.4.1; Minerals; Osteocalcin, 104982-03-8; Phosphoric Diester Hydrolases, EC 3.1.4.-; Pyrophosphatases, EC 3.6.1.-; Silicon, 7440-21-3References: Hench, L., Splinter, R., Allan, W., Greenlee, T., Bonding mechanism at the interface of ceramic prosthetic materials (1972) J Biomed Mater Res, 2, pp. 117-141;Ducheyne, P., Hench, L., Kagan, A., Martens, M., Burssens, A., Mulier, J., The effect of hydroxyapatite impregnation on skeletal bonding of porous coated implants (1980) J Biomed Mater Res, 14, pp. 225-237; 
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},
	month = {2006///},
	pages = {723 - 730},
	abstract = {Human osteoblasts were cultured on hydroxyapatite (HA), 0.8 wt \% silicon substituted hydroxyapatite (Si-HA) and 1.5 wt \% Si-HA discs. The influence of these substrates on cell behaviour in vitro was assessed by measuring total protein in the cell lysate and the production of several phenotypic markers: collagen type I (COL 1), alkaline phosphatase (ALP), osteocalcin (OC), and the formation of bone mineral. After 7 days, β-glycerophosphate and physiological levels of hydrocortisone were added to the culture medium to stimulate cell differentiation and mineral production. There was a significantly higher production of ALP on 1.5 wt \% Si-HA at day 7 following which, the addition of hydrocortisone promoted the differentiation of cells on the other two substrates. Hydrocortisone addition also decreased the production of OC. During the period, when hydrocortisone was present, no significant difference in behavior was seen between cells on Si-HA and HA; however, following removal of hydrocortisone, cells responded to 0.8 wt \% Si-HA with a significant increase in protein production. Using fluorescence microscopy, nodular structures labeled with tetracycline were observed on the surface of all substrates after 21 days. These structures were deposited on areas of high cell density but were not related to the presence or level of silicon in the substrate. These results indicate that human osteoblasts are affected by the presence of silicon in the HA substrate and that the timing of these effects may be dependent upon the level of silicon substitution. {\textcopyright} 2006 Wiley Periodicals, Inc.},
	keywords = {alkaline phosphatase, article, Biomarkers, bone mineral, cell activity, Cell culture, cell density, cell differentiation, cell function, cell lysate, cell marker, cell protein, Cells, Cells, Cultured, collagen type 1, Collagen type I, culture medium, Durapatite, Fluorescence microscopy, glycerol 2 phosphate, hormone determination, human, human cell, Human osteoblasts, Humans, Hydrocortisone, hydroxyapatite, in vitro study, Minerals, Nodular mineral formation, osteoblast, Osteoblasts, osteocalcin, Osteocalcin (OC), phenotype, Phosphoric Diester Hydrolases, protein analysis, protein synthesis, Pyrophosphatases, Silicon, Substitution reactions, Substrates, Tetracycline, β-glycerophosphate},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33751569252\&partnerID=40\&md5=249e45e76c3a063cab2222579772ab6e},
	author = {Botelho, C.M. and Brooks, R.A. and Best, S.M. and Lopes, M.A. and Santos, J.D. and Rushton, N. and Bonfield, W.}
}
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	title = {Internal versus external intrapartum foetal heart rate monitoring: The effect on linear and nonlinear parameters},
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	volume = {27},
	year = {2006},
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Salamalekis, E., Thomopoulos, P., Giannaris, D., Salloum, I., Vasios, G., Prentza, A., Koutsouris, D., Computerised intrapartum diagnosis of fetal hypoxia based on fetal heart rate monitoring and fetal pulse oximetry recordings utilising wavelet analysis and neural networks (2002) BJOG, 109 (10), pp. 1137-1142; 
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},
	month = {2006///},
	pages = {307 - 319},
	abstract = {The effect of foetal heart rate (FHR) acquisition mode on linear and nonlinear parameters is still largely unknown. In 33 normal labouring women, FHR signals were acquired simultaneously by an external ultrasound sensor applied to the maternal abdomen and an internal scalp electrode, in the minutes preceding delivery. For each case, the initial and final 5, 10 and 20 min segments were analysed, considering FHR signals at a frequency of 4 Hz (the frequency at which they are transmitted by the majority of commercialized foetal monitors). Several time and frequency domain linear and nonlinear FHR indices were computed in these segments, namely mean FHR, very low frequency (VLF), low frequency (LF), high frequency (HF), approximate entropy (ApEn) and sample entropy (SampEn). Parametric confidence intervals, statistical tests and correlation coefficients were calculated in order to evaluate the effect of internal versus external FHR monitoring modes on the considered indices. The whole evaluation was repeated using FHR signals at a frequency of 2 Hz. Most time domain linear indices were similar with external and internal monitoring in the initial and final segments of the tracings. However, linear frequency domain indices were poorly correlated in the final segments and had significantly different mean values in the initial segments. Nonlinear indices were significantly different in both initial and final segments. The correlation between 4 and 2 Hz sampled parameters was high for both linear and nonlinear indices (most correlation coefficient values ranging between 0.95 and 1) but nonlinear index values were significantly higher at 2 Hz. In conclusion, the mode used to acquire FHR signals and the sampling rate employed can significantly affect most FHR indices. {\textcopyright} 2006 IOP Publishing Ltd.},
	keywords = {abdomen, Algorithms, article, Cardiotocography, commercial phenomena, Confidence interval, controlled study, correlation coefficient, delivery, Diagnosis, Computer-Assisted, Electrocardiography, electrode, entropy, External and internal monitoring, Female, fetus electrocardiography, fetus monitoring, Foetal heart rate (FHR), Frequency domain analysis, Heart, Heart rate, human, intermethod comparison, intrapartum care, Linear and nonlinear analysis, Linear Models, mathematical computing, Nonlinear Dynamics, normal human, priority journal, Reproducibility of Results, sensitivity and specificity, sensor, Signal Processing, Computer-Assisted, Statistical significance, ultrasound, Variability},
	isbn = {09673334 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-32144438860\&partnerID=40\&md5=dd6dbb9f364b7f974c7048c4cf08d53f},
	author = {Gon{\c c}alves, H. and Rocha, A.P. and Ayres-de-Campos, D. and Bernardes, J.}
}
@article {2400,
	title = {Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery},
	journal = {Medical and Biological Engineering and ComputingMed. Biol. Eng. Comput.},
	volume = {44},
	year = {2006},
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Pincus, S., Approximate entropy (apen) as a complexity measure (1995) Chaos, 5 (1), pp. 110-117; 
Pincus, S., Viscarello, R., Approximate entropy: A regularity measure for fetal heart rate analysis (1992) Obstet Gynecol, 79 (2), pp. 249-255; 
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Yum, M.K., Kim, K., Kim, J.H., Park, E.Y., A consistent abnormality in the average local smoothness of fetal heart rate in growth-restricted fetuses affected by severe pre-eclampsia (2004) Hypertens Res, 27 (12), pp. 911-918
},
	month = {2006///},
	pages = {847 - 855},
	abstract = {Linear and nonlinear fetal heart rate (FHR) indices, namely mean FHR, interval index (II), very low, low and high frequencies, approximate (ApEn) and sample entropy (SampEn), were computed, immediately before delivery, in the initial and final FHR tracing segments, from 48 normal, 10 mildly acidemic and 10 moderate-to-severely acidemic fetuses. Progression of labor was associated with a significant increase in linear frequency domain indices whereas nonlinear indices were significantly decreased. Moderate-to-severe fetal acidemia was associated with a significant decrease in nonlinear indices. The best discrimination between moderate-to-severe acidemic fetuses and the remaining cases was obtained combining II and ApEn(2,0.15), with a specificity of 71\% and a sensitivity of 80\%. These findings support the hypothesis of increased autonomic nervous system activity in the final minutes of labor and of decreased central nervous system activity, both in the final minutes of labor and in moderate-to-severe acidemic fetuses. {\textcopyright} International Federation for Medical and Biological Engineering 2006.},
	keywords = {acidemia, Acidosis, Acids, article, autonomic nervous system, Biological materials, Cardiology, Central nervous system, clinical article, controlled study, delivery, Delivery, Obstetric, Discriminant Analysis, disease severity, entropy, Fetal Diseases, Fetal heart rate, Fetal heart rate (FHR), Fetal monitoring, fetus, fetus heart rate, Frequency domain analysis, Heart Rate, Fetal, human, Humans, hypothesis, labor, Linear and nonlinear indices, linear system, Neurology, newborn, nonlinear system, Prenatal Care, Second stage of labor, sensitivity and specificity, Severity of Illness Index},
	isbn = {01400118 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33749566759\&partnerID=40\&md5=88f9959edd8363f90b13742d0ce5221b},
	author = {Gon{\c c}alves, H. and Rocha, A.P. and Ayres-de-Campos, D. and Bernardes, J.}
}
@article {2416,
	title = {Structural analysis of dextran-based hydrogels obtained chemoenzymatically},
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	year = {2006},
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},
	month = {2006///},
	pages = {55 - 64},
	abstract = {This work reports the results of structural analysis in novel dextran-acrylate (dexT70-VA) hydrogels generated chemoenzymatically. Porous structure as well as hydrogel surface and interior morphologies were evaluated by mercury intrusion porosimetry (MIP), nitrogen adsorption (NA), and scanning electron microscopy (SEM) analyses, as a function of the degree of substitution (DS), and initial water content used in the preparation of the hydrogel. MIP analysis showed that the overall networks were clearly macroporous with pore sizes ranging from 0.065 to 10 μm. As expected, the average pore size decreased as DS increased and as initial water content decreased. Moreover, the porosity values ranged from 75 up 90\%, which shows that these hydrogels present an interconnected pore structure. Nitrogen adsorption analyses showed that the specific surface area of dexT70-VA hydrogels increased either by increasing the DS or by decreasing the initial water content of the hydrogel. SEM results revealed that the surface of hydrogels with lower DS presented either a porous structure or a polymeric "skin" covering the pores, whereas hydrogels with higher DS were totally porous. Furthermore, the interior morphology varied according to the DS and the initial water content of the hydrogels. Finally, the average pore size was also determined from the swelling of hydrogel using a theoretical model developed by FIory-Rehner. The comparison of the SEM and MIP results with the ones obtained by the equilibrium swelling theory of Flory-Rehner shows that this approach highly underestimates the average pore size. {\textcopyright} 2005 Wiley Periodicals, Inc.},
	keywords = {acrylic acid, article, Biocompatible Materials, Chemical structure, Degree of substitution (DS), dextran, dextran acrylate, Dextrans, enzyme activity, Enzymes, equilibrium swelling theory, Gas adsorption, hydrogel, Hydrogels, materials testing, Mathematical models, Mercury intrusion porosimetry, Microscopy, Electron, Scanning, Molecular Structure, morphology, nitrogen, polymer, porosity, Scanning electron microscopy, Structural characterization, structure analysis, Surface Properties, theoretical model, unclassified drug, Water, water content},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33645418697\&partnerID=40\&md5=dedaf3c637b57831457b05f5bc57beb6},
	author = {Ferreira, L. and Figueirecio, M.M. and Gil, M.H. and Ramos, M.A.}
}
@article {2418,
	title = {The uptake of titanium ions by hydroxyapatite particles - Structural changes and possible mechanisms},
	journal = {BiomaterialsBiomaterials},
	volume = {27},
	year = {2006},
	note = {Cited By (since 1996): 44Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2005.09.043PubMed ID: 16256192Language of Original Document: EnglishCorrespondence Address: Ribeiro, C.C.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre 823, Porto 4150-180, Portugal; email: cribeiro@ineb.up.ptChemicals/CAS: hydroxyapatite, 1306-06-5, 51198-94-8; titanium, 7440-32-6; Biocompatible Materials; Durapatite, 1306-06-5; Ions; Solutions; titanium phosphate, 17017-57-1; Titanium, 7440-32-6References: Fowler, B.O., Infrared studies of apatites. II Preparation of normal and isotopically substituted calcium, strontium, and barium hydroxyapatites and spectra-structure-composition correlations (1974) Inorg Chem, 13, pp. 207-214;Legeros, R.Z., Daculsi, G., Orly, I., Abergas, T., Torres, W., Solution mediated transformation of octacalcium phosphate (OCP) to apatite (1989) Scann Microsc, 3, pp. 129-138; 
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Joris, S.J., Amberg, C.H., The nature of deficiency in non-stoichiometric hydroxyapatites II. Spectroscopic studies of calcium and strontium hydroxyapatites (1971) J Phys Chem, 75, pp. 3172-3178; 
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Miller, L.M., Vaiaravamurthy, V., Chance, M.R., Mendelshon, R., Paschalis, E.P., Betts, F., In situ analysis of mineral content and crystallinity in bone using infrared micro-spectroscopy of the ν 4 PO 4 3- vibration (2001) Biochim Biophys Acta, 1527, pp. 11-19; 
Fowler, B.O., Infrared studies of apatites I. Vibrational assignments for calcium, strontium and barium hydroxyapatites utilizing isotopic substitutions (1974) Inorg Chem, 13, pp. 194-207; 
Fowler, B.O., Moreno, E.C., Brown, W.E., Infra-red spectra of hydroxyapatite, octacalcium phosphate and pyrolised calcium phosphate (1966) Arch Oral Biol, 11, pp. 477-492; 
Rey, C., Shimizu, M., Collins, B., Glimcher, M.J., Resolution enhanced Fourier transform infrared spectroscopy study of the environment of phosphate ion in the early deposits of a solid phase calcium phosphate in bone and enamel and their evolution with age: Investigations in the ν 3 PO 4 3- domain (1991) Calcif Tissue Int, 49, pp. 383-388; 
Rey, C., Shimizu, M., Collins, B., Glimcher, M.J., Resolution enhanced Fourier transform infrared spectroscopy study of the environment of phosphate ion in the early deposits of a solid phase calcium phosphate in bone and enamel and their evolution with age: Investigations in the ν 4 PO 4 3- domain (1990) Calcif Tissue Int, 46, pp. 384-394; 
Gadaleta, S.J., Paschalis, E.P., Betts, F., Mendelsohn, R., Boskey, A.L., Fourier transform infrared spectroscopy of the solution-mediated conversion of amorphous calcium phosphate to hydroxyapatite: New correlations between X-ray diffraction and infrared data (1996) Calcif Tissue Int, 58, pp. 9-16; 
Bailey, R.T., Holt, C., Fourier transform infrared spectroscopy and characterisation of biological calcium phosphates (1989) Calcified Tissues, pp. 93-120. , D.W.L. Hukins Macmillan Press Basingstoke; 
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Paschalis, E.P., Di Carlo, E., Betts, F., Sherman, P., Mendelsohn, R., Boskey, A.L., FTIR Microspectroscopic analysis of human osteonal bone (1996) Calcif Tissue Int, 59, pp. 480-487; 
Gibson, I.R., Rehman, I., Best, S.M., Bonfield, W., Characterization of the transformation from calcium-deficient apatite to β-tricalcium phosphate (2000) J Mater Sci: Mater Med, 12, pp. 799-804; 
Szirtes, L., Riess, L., Megyeri, J., Thermoanalytical investigation of layered titanium salts (2003) J Thermal Anal Calorim, 73, pp. 209-218; 
Schroeder, L.W., Dickens, B., Brown, W.E., Crystallographic studies of the role of Mg as a stabilizing impurity in β-Ca 3(PO 4) 2 - II. Refinement of Mg-containing β-Ca 3(PO 4) 2 (1977) J Sol State Chem, 22, pp. 253-262; 
Leadley, S.R., Davis, M.C., Ribeiro, C.C., Barbosa, M.A., Paul, A.J., Watts, J.F., Investigation of the dissolution of the bioceramic hydroxyapatite in the presence of titanium ions using ToF-SIMS and XPS (1997) Biomaterials, 18, pp. 311-316; 
Chusuei, C.C., Goodman, D.W., Van Stipdonk, M.J., Justes, D.R., Schweikert, E.A., Calcium phosphate phase identification using XPS and time-of-flight cluster SIMS (1999) Anal Chem, 71, pp. 149-153; 
Lu, H.B., Campbell, C.T., Graham, D.J., Ratner, B.D., Surface characterization of hydroxyapatite and related calcium phosphates by XPS and TOF-SIMS (2000) Anal Chem, 72, pp. 2886-2894; 
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Ma, Q.Y., Traina, S.J., Logan, T.J., Ryan, J.A., In situ lead immobilization by apatite (1993) Environ Sci Technol, 27, pp. 1803-1810; 
Xu, Y., Schwartz, F.W., Lead immobilization by hydroxyapatite in aqueous solutions (1994) J Contam Hydro, 15, pp. 187-206; 
Lower, S.K., Maurice, P.A., Traina, S.J., Carlson, E.H., Aqueous Pb sorption by hydroxylapatite: Applications of atomic force microscopy to dissolution, nucleation, and growth studies (1998) Am Miner, 83, pp. 147-158; 
Ribeiro, C.C., Barbosa, M.A., MacHado, A., Tudor, A., Davies, M.C., Modifications in the molecular structure of hydroxyapatite induced by Ti ions (1995) J Mater Sci: Mater Med, 6, pp. 829-834; 
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Tanizawa, Y., Sawamura, K., Suzuki, T., Reaction characteristics of dental and synthetic apatites with Al 2+ and La 3+ ions in acidic solutions (1990) J Chem Soc Faraday Trans, 86, pp. 4025-4029; 
Layani, J.D., Mayer, I., Cuisinier, F.J.G., Carbonated hydroxyapatites precipitated in the presence of Ti (2000) J Inorg Biochem, 81, pp. 57-63; 
Gonzalez-Diaz, P.F., Santos, M., On the hydroxyl ions in apatites (1977) J Sol State Chem, 22, pp. 193-199; 
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Bamberger, C.E., Begun, G.M., Cavin, O.B., Synthesis and characterization of sodium-titanium phosphates, Na 4(TiO)(PO 4) 2, Na(TiO)PO 4 and NaTi 2(PO 4) 3 (1988) J Solid State Chem, 73, pp. 317-324; 
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Chernorukov, N.G., Korshunov, I.A., Zhuk, M.I., Hydro-ortho-derivatives of titanium of composition Ti(OH)PO 4 and Ti(OH)AsO 4 (1982) Russ J Inorg Chem, 27, pp. 1728-1731; 
Bamberger, C.E., Begun, G.M., Synthesis and characterisation of titanium phosphates, TiP 2O 7 and (TiO) 2P 2O 7 (1987) J Less Common Metals, 134, pp. 201-206
},
	month = {2006///},
	pages = {1749 - 1761},
	abstract = {In order to understand the effect of titanium ions on the molecular structure of hydroxyapatite (HAp), HAp powders were incubated in solutions with different titanium concentrations. After incubation, the powders obtained were analysed using different techniques, namely X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), differential thermal analysis (DTA), X-ray photoelectron spectroscopy (XPS), and energy dispersive spectroscopy (EDS). The results suggest that, depending on the concentration of titanium in solution, two different mechanisms of interaction with HAp occur. For concentrations equal to or smaller than 200 ppm, the titanium uptake by the solid seems to be primarily due to incorporation in the lattice. For higher concentrations, a dissolution-precipitation process seems to occur, leading to formation of a titanium phosphate compound. {\textcopyright} 2005 Elsevier Ltd. All rights reserved.},
	keywords = {article, Biocompatible Materials, concentration response, differential scanning calorimetry, drug mechanism, drug structure, Durapatite, Energy dispersive spectroscopy, Fourier transform infrared spectroscopy, hydroxyapatite, Incubation, infrared spectroscopy, Ions, Lattice constants, particulate matter, powder, Precipitation (chemical), priority journal, Solutions, Spectroscopy, Spectroscopy, Fourier Transform Infrared, temperature, Titanium, Titanium ions, Titanium phosphate, X ray diffraction, X ray diffraction analysis, X ray photoelectron spectroscopy, X-Ray Diffraction},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-28744435342\&partnerID=40\&md5=d3c05375129c7b4a53ec5a0c4b4271d3},
	author = {Ribeiro, C.C. and Gibson, I. and Barbosa, M.A.}
}
@book {2425,
	title = {Assessment of the potential of Bonelike{\textregistered} graft for bone regeneration by using an animal model},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lobato, J.V.; ICBAS-Instituto de Ci{\^e}ncias Biom{\'e}dicas de Abel Salazar, Universidade do Porto, Largo Professor Abel Salazar 2, PT-4099-003 Porto, Portugal; email: jvlobato@netcabo.ptReferences: Santos, J.D., Hastings, G.W., Knowles, J.C., Sintered Hydroxyapatite Compositions and Method for the Preparation Thereof European Patent WO 0068164Lopes, M.A., Santos, J.D., Monteiro, F.J., Push-out Testing and Histological Evaluation of Glass Reinforced Hydroxyapatite Composites Implanted in the Tibia of Rabbits (2001) J.Biomed Mater Res, 54, pp. 463-469;Lopes, M.A., Santos, J.D., Glass Reinforced Hydroxyapatite Composites; Secondary Phases Proportions and Densification Effects on Biaxial Bending Strength (1999) J.Biomed Mater Res, 48, pp. 734-740; 
Lopes, M.A., Monteiro, F.J., Santos, J.D., Glass Reinforced Hydroxyapatite Composites: Fracture Tougfiness and Hardness Dependence on Microstructural Characteristics (1999) Biomaterials, 2, pp. 2085-2090
},
	month = {2005///},
	pages = {877 - 880},
	abstract = {Bonelike{\textregistered} graft that mimics the inorganic composition of bone tissue has been developed and characterized over the last decade. To evaluate the osteoconductivity of Bonelike{\textregistered} two granule size ranges, one ranging from 150-250μm and the other from 250-500μm were implanted in the femurs of New Zealand White rabbits, aiming at being clinically used in different medical applications, such as dentistry and orthopaedics. In order to facilitate the medical application of the Bonelike{\textregistered} graft the use of a commercially available polymeric vehicle was also analyzed. Radiological examination, histological studies and scanning electron microscopy (SEM) analyses revealed that the surface of Bonelike{\textregistered} granules was almost completely surrounded by new bone formation after 12 weeks of implantation, which proves its highly osteoconductive behaviour.},
	keywords = {animal model, Animal models, Animals, Biomaterials, Biomedical engineering, Biomimetic materials, Bone, bone tissue, Bonelike graft, Bonelike{\textregistered} graft, Granular materials, In vivo studies, Scanning electron microscopy},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33744512103\&partnerID=40\&md5=8f2f8e274f848eb0b105fca4880c0db5},
	author = {Lobato, J.V. and Hussein, N.S. and Botelho, C.M. and Rodrigues, J.M. and Lu{\'\i}s, A.L. and Maur{\'\i}cio, A.C. and Lopes, M.A. and Santos, J.D.}
}
@book {2426,
	title = {Effect of calcium phosphate addition to alginate microspheres: modulation of enzyme release kinetics and improvement of cell adhesion},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Barrias, C.C.; INEB - Institute de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomaterials, R. Campo Alegre 823, 4150-180 Porto, Portugal; email: ccbarrias@ineb.up.ptReferences: Graopwski, G.A., Leslie, N., Wenstrup, R., (1998) Blood Rev, 12, p. 115;Rowley, J.A., Madlambayan, G., Mooney, D.J., (1999) Biomaterials, 20, p. 45; 
Dalby, M.J., Di Silvio, L., Harper, E.J., Bonfield, W., (2002) Biomaterials, 23, p. 569
},
	month = {2005///},
	pages = {689 - 692},
	abstract = {In this study, the addition of calcium phosphate powders to an alginate matrix was evaluated as a strategy to modulate enzyme release-kinetics from alginate microspheres and, simultaneously, to improve cell adhesion to the polymer. Pre-adsorption of the enzyme to the ceramic powders resulted in a more adequate release pattern. The ratio of ceramic-to-polymer had a pronounced effect on osteoblast adhesion to microspheres. Cells were only able to spread on microspheres with the highest percentage of ceramic (0.4 w/w using a 1.5\% w/v alginate solution).},
	keywords = {Alginate, Bioceramics, calcium phosphate, Calcium titanium phosphate, cell adhesion, Enzyme kinetics, Enzyme release, hydroxyapatite, Microspheres, Osteoblasts},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-20744433251\&partnerID=40\&md5=30ce8fc67d1e3e37074cc056f650b798},
	author = {Barrias, C.C. and Ribeiro, C.C. and Rodrigues, D. and Miranda, M.C.S. and Barbosa, M.A.}
}
@book {2428,
	title = {In vitro analysis of protein adhesion to phase pure hydroxyapatite and silicon substituted hydroxyapatite},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 8Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Botelho, C.M.; INEB - Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: ccunha@fe.up.ptReferences: Patel et al, J. of Mat. Sci.: Mat. in Med., 13 (2002) p. 1199Gibson, I.R., (1999) Bioceramics, 12, p. 191;Botelho, C.M., in Key (2003) Engineering Materials, 254-256, pp. 841-844; 
Porter, (2004) Biomaterials, 5, pp. 3303-3314; 
Takami et al, in J. Biomed Mater. Res., 40, (1998), p. 24-30Kandori, (2004) in J. Colloid and Interface Science, 273, pp. 406-413; 
Vermeer, (2001) Biochimicaet Biophysica Acta, 1526, pp. 61-69; 
Kikuchi, (2001) Biomaterials, 22, pp. 1705-1711; 
Jha, L.J., Worldwide patent, PCT/GB97/02325 and US Patent Serial (1999), No 09/147773Gibson, I.R., (1999) J. Biomed. Mat. Res, 44, p. 422; 
Botelho, C.M., (2002) J. Mater. Sci:Mater. Med, 13, pp. 1123-1127; 
Muller, (1999) Macromol. Rapid Commun, 20, pp. 607-611; 
Veerman, (1987) Biomaterials, 8, pp. 442-448; 
Haynes, in Colloids and Surfaces B (1994) Biointerfaces, 2, pp. 517-566; 
Reffit, D.M., (2003) Bone, 32, p. 127
},
	month = {2005///},
	pages = {461 - 464},
	abstract = {The adhesion of bovine collagen type I, bovine serum albumin, bovine IgG, 1 \% and 10 \% (v/v) human serum to hydroxyapatite (HA), silicon-substituted hydroxyapatite (Si-HA) and tissue culture plastic were studied. The materials were incubated at 37{\textdegree}C for 30 minutes, after which the protein solution was removed and analyzed. The adsorbed protein was evaluated by electrophoresis and immunoassay after extraction from the materials. The degree of adhesion was higher for collagen, followed by IgG and albumin on all materials. However there was no difference in the amount of collagen adsorbed onto the surface of each material and this was also the finding with albumin and IgG. These results suggest that the increased bioactivity seen with Si-HA is not due to the degree of protein adhesion, but may possibly be due to changes in the conformation of the bound proteins.},
	keywords = {Adsorption, Bioactivity, Bovine collagen type I, Bovine collagens, Bovine serum proteins, Collagen, Human serum proteins, hydroxyapatite, Immunoglobulin G (IgG), immunology, Silicon-substituted hydroxyapatite, Substitution reactions, Tissue culture},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-26844513571\&partnerID=40\&md5=ed134d3a2ccf1a8799bbb487ac863072},
	author = {Botelho, C.M. and Brooks, R.A. and Kawai, T. and Ogata, S. and Ohtsuki, C. and Best, S.M. and Lopes, M.A. and Santos, J.D. and Rushton, N. and Bonfield, W.}
}
@book {2430,
	title = {A method for simultaneously precipitating and dispersing nano-sized calcium phosphate suspensions},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Ceramic and Glass Engineering Department, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: de Groot, K., (1983) Bioceramics of Calcium Phosphates, , CRC Press, Boca Raton, FL;Hench, L.L., Wilson, J., (1993) An Introduction to Bioceramics, , World Scientific, London, UK; 
Liu, H.S., Chin, T.S., Lai, L.S., Chiu, S.Y., Chung, K.H., Chang, C.S., Lui, M.T., (1997) Ceramics International, 23, p. 19; 
Zhang, S., Gonsalves, K.E., (1997) J. Mater. Sci.: Mater. Med, 8, p. 25; 
Takeo, H., Yasuhiko, I., Hiroshi, I., (1987) J. Ceram. Soc. Japan, 95, p. 825; 
Yoshio, M., Kazuo, M., Sumio, S., (1990) J. Ceram. Soc. Japan, 98, p. 1255; 
Berndt, C.C., Haddad, G.N., Farmer, A.J.D., Gross, K.A., (1990) Mater. Forum, 14 (3), p. 161; 
Koutsopoulos, S., (2002) J. Biomed. Mat. Res, 62, p. 600; 
Pe{\~n}a, J., Vallet-Reg{\'\i}, M., (2003) J. Europ. Ceram. Soc, 23, p. 1687; 
Orlovskii, V.P., Komlev, V.S., Barinov, S.M., (2002) Inorganic Materials, 38 (10), p. 973; 
Murry, M.G.S., wang, J., Pontom, C.B., Marquis, P.M., (1995) J. Mater. Sci, 30, p. 3061
},
	month = {2005///},
	pages = {67 - 70},
	abstract = {Stable and relatively concentrated aqueous suspensions of nano-sized stoichiometric hydroxyapatite could be prepared by a precipitation method in the presence of suitable surface active agent (SAA). The method includes the precipitation, vacuum filtration and washing of the precipitated powders, followed by re-dispersion. It could be concluded that the added amount of the SAA should be enough to cover the primary particles surface, and that washing should be better carried out using a SAA solution. The method developed enables the precipitation of the powders and the preparation of suspensions, while significantly shortening the overall time required for colloidal processing consuming.},
	keywords = {calcium phosphate, Calcium phosphates, Colloidal processing, Colloids, hydroxyapatite, Precipitated powders, precipitation, Precipitation (chemical), rheology, Stoichiometry, Surface active agents, Vacuum filtration, Washing},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34249009928\&partnerID=40\&md5=812ea199ac82188b178e5958b2ed4f05},
	author = {Lemos, A.F. and Rebelo, A.H.S. and Rocha, J.H.G. and Ferreira, J.M.F.}
}
@book {2434,
	title = {Method for tailoring and control the morphology, size and porosity of calcium phosphate granules},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Ceramic and Glass Engineering Department, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: de Groot, K., (1983) Bioceramics of Calcium Phosphates, , CRC Press, Boca Raton, FL;Hench, L.L., Wilson, J., (1993) An Introduction to Bioceramics, , World Scientific, London, UK; 
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},
	month = {2005///},
	pages = {309 - 312},
	abstract = {Hydroxyapatite (HA) is the calcium-phosphate material with composition closest to that of human bone, what makes it suitable for osseous implant purposes, namely as fillers, spacers and bone grafts substitutes. This study is aimed at the development of a method to produce porous spherical hydroxyapatite granules. The process involves the spraying of a suspension with different amounts of a setting agent to a setting media. The tailor and the control of the morphology, size and porosity of the granules were attained by adjusting the nozzle diameter, the pressure of air flow and the distance between the nozzle and the setting media.},
	keywords = {Air flow, Bioceramics, Bioceramlcs, Bone grafts substitutes, calcium phosphate, Granular materials, Granules, Human bone, hydroxyapatite, Hydroxyapatite granules, Porous materials, Porous structures, Starch},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34248995545\&partnerID=40\&md5=794aa135258ec1886f40ee45b01c56de},
	author = {Lemos, A.F. and Rocha, J.H.G. and Ventura, J.M. and Ferreira, J.M.F.}
}
@article {2452,
	title = {Mineralization of regenerated cellulose hydrogels induced by human bone marrow stromal cells},
	journal = {European Cells and MaterialsEur. Cells and Mater.},
	volume = {10},
	year = {2005},
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},
	month = {2005///},
	pages = {31 - 39},
	abstract = {The proliferation of cultured human bone marrow stromal cells (HBMSC) on regenerated cellulose hydrogels was assessed. Regenerated cellulose hydrogels showed good rates of HBMSC proliferation, the cells exhibiting a flattened morphology, and after 22 days in culture, the cells had homogeneously colonized the surface of the materials. Moreover, since the early days in culture, between the surface of the materials and attached cells a continuous granulated hydroxyapatite layer was formed. It has been previously demonstrated in vitro, but without cells, that these materials did not mineralize. Hence, it seems that HBMSC promoted the mineralization of the surface.},
	keywords = {article, bone marrow cell, Bone Marrow Cells, bone mineralization, Calcification, Physiologic, Calcium phosphates, Cell culture, cell proliferation, cell regeneration, Cells, Cultured, Cellulose, hematopoietic stem cell, human, Human bone marrow stromal cells, human cell, Humans, hydrogel, Hydrogels, hydroxyapatite, in vitro study, mineralization, Regenerated cellulose hydrogels, Regeneration, Spectroscopy, Fourier Transform Infrared, stroma cell, Stromal Cells, Time series analysis},
	isbn = {14732262 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-28444434484\&partnerID=40\&md5=336e1872af4f9b4274cda0b46e091486},
	author = {Granja, P.L. and De J{\'e}so, B. and Bareille, R. and Rouais, F. and Baquey, C. and Barbosa, M.A.}
}
@article {2460,
	title = {Proliferation, activity, and osteogenic differentiation of bone marrow stromal cells cultured on calcium titanium phosphate microspheres},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {72},
	year = {2005},
	note = {Cited By (since 1996): 34Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.30217PubMed ID: 15543603Language of Original Document: EnglishCorrespondence Address: Barrias, C.C.; INEB, Instituto de Engenharia Biomedica, Laboratorio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: ccbarrias@ineb.up.ptChemicals/CAS: alkaline phosphatase, 9001-78-9; calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; osteocalcin, 136461-80-8; titanium, 7440-32-6; Alkaline Phosphatase, EC 3.1.3.1; Calcium, 7440-70-2; Osteocalcin, 104982-03-8; titanium phosphate, 17017-57-1; Titanium, 7440-32-6References: Senuma, Y., Franceschin, S., Hilborn, J.G., Tissieres, P., Bisson, I., Frey, P., Bioresorbable microspheres by spinning disk atomization as injectable cell carrier: From preparation to in vitro evaluation (2000) Biomaterials, 21 (11), pp. 1135-1144;Hsu, F.Y., Chueh, S.C., Wang, Y.J., Microspheres of hydroxyapatite/ reconstituted collagen as supports for osteoblast cell growth (1999) Biomaterials, 20 (20), pp. 1931-1936; 
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},
	month = {2005///},
	pages = {57 - 66},
	abstract = {In this study, the behavior of bone marrow stromal cells cultured on calcium titanium phosphate (CTP) microspheres was analyzed. Cell adhesion and proliferation were estimated by the neutral red assay and by total DNA quantification. Morphology and deposition of extracellular matrix were assessed by confocal laser scanning microscopy and/or scanning electron microscopy. The expression of the osteoblastic phenotype was evaluated by monitoring alkaline phosphatase activity and osteocalcin secretion. Results revealed that cells were able to attach and spread on the surface of CTP microspheres, and gradually grow into nearly confluent monolayers. Moreover, cells were able to bridge adjacent microspheres forming microsphere-cell clusters. Cells produced an abundant amount of fibrillar extracellular matrix that covered the substrate surface. Alkaline phosphatase activity peaked around days 7-14 and then decreased until day 21. Cells secreted osteocalcin, with higher levels being detected at day 14 than at day 21. Taken together, these results suggest that CTP microspheres are appropriate scaffolds for the growth and differentiation of cells along the osteoblastic lineage. {\textcopyright} 2004 Wiley Periodicals, Inc.},
	keywords = {alkaline phosphatase, animal cell, Animals, article, Bioassay, Bone, bone marrow cell, Bone Marrow Cells, bone marrow stromal cell, Bone marrow stromal cells, Calcium, Calcium Compounds, calcium phosphate, Calcium titanium phosphate, cell adhesion, Cell culture, cell differentiation, cell growth, cell lineage, cell proliferation, cell structure, Confluent monolayers, confocal laser microscopy, Confocal laser scanning microscopy, controlled study, Deposition, DNA determination, enzyme activity, Enzyme kinetics, extracellular matrix, Microscopy, Electron, microsphere, Microspheres, nonhuman, osteoblast, osteocalcin, Osteogenesis, Osteogenic differentiation, phenotype, protein expression, protein secretion, rat, Rats, Scanning electron microscopy, Stromal Cells, surface property, Tissue culture, Tissue engineering, Titanium, unclassified drug},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-10444223137\&partnerID=40\&md5=ab1b84ba6dd86274c0102567dffe1418},
	author = {Barrias, C.C. and Ribeiro, C.C. and Lamghari, M. and S{\'a} Miranda, C. and Barbosa, M.A.}
}
@book {2432,
	title = {Segmentation of ultrasonic images of the carotid},
	series = {Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)Lect. Notes Comput. Sci.},
	volume = {3656 LNCS},
	year = {2005},
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Gao, S., Bui, T.D., Image segmentation and selective smoothing by using the Mumford-Shah model (2005) IEEE Trans. on Image Processing, , To be published in
},
	month = {2005///},
	pages = {949 - 957},
	address = {Toronto},
	abstract = {A new algorithm for an effective and automatic segmentation of the carotid wall in ultrasonic images is proposed. It combines the speed of thresholding algorithms with the accuracy, flexibility and robustness of a successful geometric active contour model which incorporates an optimal image segmentation model in a level set framework. Due to the multiphase nature of these images, a sequential minimum cross entropy thresholding is used to get a first approximation of the segments, reducing the problem to a two phase segmentation. This thresholding solution is then used as a starting point for a two phase piecewise constant version of a geometric active contour model to reduce noise, smooth contours, improve their position accuracy and close eventual gaps in the carotid wall. {\textcopyright} Springer-Verlag Berlin Heidelberg 2005.},
	keywords = {Active contour model, Algorithms, Approximation theory, Carotid wall, Image segmentation, Image segmentation model, Mathematical models, Optimization, Ultrasonic imaging},
	isbn = {03029743 (ISSN); 3540290699 (ISBN); 9783540290698 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33646014096\&partnerID=40\&md5=42380a0fabe35bd2e682b403ff68e79f},
	author = {Rocha, R. and Campilho, A. and Silva, J.}
}
@article {2440,
	title = {Synthesis and characterization of new injectable and degradable dextran-based hydrogels},
	journal = {PolymerPolymer},
	volume = {46},
	year = {2005},
	note = {Cited By (since 1996): 49Export Date: 21 November 2012Source: ScopusCODEN: POLMAdoi: 10.1016/j.polymer.2005.07.089Language of Original Document: EnglishCorrespondence Address: Maia, J.; Departamento de Engenharia Qu{\'\i}mica, Universidade de Coimbra, Pinhal de Marrocos, 3030 Coimbra, Portugal; email: joao.rm.silva@networkcontacto.comReferences: Ferreira, L., Carvalho, R., Gil, M.H., Dordick, J.S., (2002) Biomacromolecules, 3, p. 333;Ferreira, L., Gil, M.H., Dordick, J.S., (2002) Biomaterials, 23, p. 3957; 
Ferreira, L., Rafael, A., Lamghari, M., Barbosa, M.A., Gil, M.H., Cabrita, A.M.S., (2004) J Biomed Mater Res, 68, p. 584; 
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Ferreira, L., Gil, M.H., Cabrita, A.M.S., Dordick, J.S., (2005) Biomaterials, 26, p. 4707
},
	month = {2005///},
	pages = {9604 - 9614},
	abstract = {Injectable and degradable hydrogels are very interesting networks for drug delivery and cell transplantation applications since they can be administered in the human body in a minimally invasive way. In most cases, the crosslinking reaction occurs by photopolymerisation or free radical polymerisation; however, the use of chemical initiators may promote cell death. In the current work, injectable and degradable dextran-based hydrogels were prepared without the use of initiators. Dextran, a natural glucose-containing polysaccharide, was oxidized with sodium periodate (dexOx) and the derivatives characterized by NMR and FTIR spectroscopy{\textquoteright}s as well as by colorimetric techniques. The oxidized derivatives were crosslinked with adipic acid dihydrazide (AAD), forming a gel within 2-4 min. The obtained hydrogels were characterized by their mechanical properties, swelling and degradation behavior under physiologic conditions. In addition, the hydrogel interior morphology as well as porous structure was evaluated by scanning electron microscopy (SEM) and mercury intrusion porosimetry (MIP). MIP analysis showed that dexOx hydrogels crosslinked with 10\% of AAD were macroporous with pore sizes ranging from 0.32 to 0.08 μm. As expected, the average pore size increased during hydrogel degradation as confirmed by SEM and MIP studies. {\textcopyright} 2005 Elsevier Ltd. All rights reserved.},
	keywords = {Cell Death, Cell transplantation, Colorimetry, Crosslinking, Degradation, Drug delivery, Drug dosage, Fourier transform infrared spectroscopy, Free radical polymerization, hydrogel, Hydrogels, Mercury intrusion porosimetry (MIP), morphology, Nuclear magnetic resonance spectroscopy, Photopolymerization, Polysaccharides, Pore size, Porosimeters, Scanning electron microscopy, Synthesis (chemical)},
	isbn = {00323861 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-26844528911\&partnerID=40\&md5=134ba47873a69e30382b727af0d99863},
	author = {Maia, J. and Ferreira, L. and Carvalho, R. and Ramos, M.A. and Gil, M.H.}
}
@article {2484,
	title = {Biocompatibility of chemoenzymatically derived dextran-acrylate hydrogels},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {68},
	year = {2004},
	note = {Cited By (since 1996): 21Export Date: 21 November 2012Source: ScopusCODEN: JBMRCPubMed ID: 14762939Language of Original Document: EnglishCorrespondence Address: Dordick, J.S.; Department of Chemical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, United States; email: dordick@rpi.eduChemicals/CAS: acrylic acid, 10344-93-1, 79-10-7; dextran, 87915-38-6, 9014-78-2; Acrylates; Biocompatible Materials; Dextrans, 9004-54-0; Enzymes; HydrogelsReferences: Ferreira, L., Gil, M.H., Dordick, J.S., Enzymatic synthesis of dextran-containing hydrogels (2002) Biomaterials, 23, pp. 3957-3967;Peppas, N.A., Bures, P., Leobandung, W., Ichikawa, H., Hydrogels in pharmaceutical formulations (2000) Eur J Pharm Biopharm, 50, pp. 27-46; 
Park, K., Park, H., Biocompatibility issues of implantable drug delivery systems (1996) Pharm Res, 13 (12), pp. 1770-1776; 
Novick, S.J., Dordick, J.S., Preparation of active and stable biocatalytic hydrogels for use in selective transformation (1998) Chem Mater, 10 (4), pp. 955-958; 
Letourneur, D., Machy, D., Pell{\'e}, A., Marcon-Bachari, E., D{\'a}ngelo, G., Vogel, M., Chaubert, F., Michel, J.-B., Heparin and non-heparin-like dextrans differentially modulate endothelial cell proliferation: In vitro evaluation with soluble and crosslinked polysaccharide matrices (2002) J Biomed Mater Res, 60, pp. 94-100; 
{\"O}sterberg, E., Bergstr{\"o}m, K., Holmberg, K., Schuman, T.P., Riggs, J.A., Burns, N.L., Van Alstine, J.M., Harris, J.M., Protein-rejecting ability of surface-bound dextran in end-on and side-on configurations: Comparison to PEG (1995) J Biomed Mater Res, 29, pp. 741-747; 
Frazier, R.A., Matthijs, G., Davies, M.C., Roberts, C.J., Schacht, E., Tendler, S.J.B., Characterization of protein-resistant dextran monolayers (2000) Biomaterials, 21, pp. 957-966; 
Massia, S.P., Stark, J., Immobilized RGD peptides on surface-grafted dextran promote biospecific cell attachment (2001) J Biomed Mater Res, 56, pp. 390-399; 
Wong, W.H., Mooney, D.J., Synthesis and properties of biodegradable polymers used as synthetic matrices for tissue engineering (1997) Synthetic Biodegradable Polymer Scaffolds, p. 50. , Atala A, Mooney DJ, editors. Boston, MA: Birkh{\"a}user; 
Lee, K.Y., Mooney, D.J., Hydrogels for tissue engineering (2001) Chem Rev, 101 (7), pp. 1869-1879; 
Hern, D.L., Hubbell, J.A., Incorporation of adhesion peptides into nonadhesive hydrogels useful for tissue resurfacing (1998) J Biomed Mater Res, 39, pp. 266-276; 
Mann, B.K., Gobin, A.S., Tsai, A.T., Schmedlen, R.H., West, J.L., Smooth muscle cell growth in photopolymerized hydrogels with cell adhesive and proteolytically degradable domains: Synthetic ECM analogs for tissue engineering (2001) Biomaterials, 22, pp. 3045-3051; 
De Groot, C.J., Van Luyn, M.J.A., Van Dijk-Wolthuis, W.N.E., Cad{\'e}e, J.A., Plantinga, J.A., Den Otter, W., Hennink, W.E., In vitro biocompatibility of biodegradable dextran-based hydrogels tested with human fibroblasts (2001) Biomaterials, 22, pp. 1197-1203; 
Cad{\'e}e, J.A., Luyn, M.J.A., Brouwer, L.A., Plantinga, J.A., Van Wachem, P.B., Groot, C.J., Otter, W., Hennink, W.E., In vivo biocompatibility of dextran-based hydrogels (2000) J Biomed Mater Res, 50, pp. 397-404; 
Anderson, J.M., In vivo biocompatibility of implantable delivery systems and biomaterials (1994) Eur J Pharm Biopharm, 40 (1), pp. 1-8; 
Anderson, J.M., Inflammation, wound healing, and the foreign body reaction response (1996) Biomaterials Science, pp. 165-173. , Ratner BD, Hoffman AS, Schoen FJ, Lemons JE, editors. New York: Academic Press; 
(1992) ISO 10993-5: Biological Evaluation of Medical Devices. Test for Cytotoxicity: In Vitro Methods, , Geneva, Switzerland: International Organization for Standardization; 
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Moreau, M.F., Chappard, D., Lesourd, M., Month{\'e}ard, J.P., Basl{\'e}, M.F., Free radicals and side products released during methylmethacrylate are cytotoxic for osteoblastic cells (1998) J Biomed Mater Res, 40, pp. 124-131; 
Black, J., The inflammatory response (1999) Biological Performance of Materials, p. 131. , Black J, editor. New York: Marcel Dekker; 
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Kuijpers, A.J., Wachem, P.B., Luyn, M.J.A., Plantinga, J.A., Engbers, G.H.M., Krijgsveld, J., Zaat, S.A.J., Feijen, J., In vivo compatibility and degradation of crosslinked gelatin gels incorporated in knitted Dacron (2000) J Biomed Mater Res, 51, pp. 136-145; 
Kuijpers, A.J., Van Wachem, P.B., Luyn, M.J.A., Brouwer, L.A., Engbers, G.H.M., Krijgsveld, J., Zaat, S.A.J., Feijen, J., In vitro and in vivo evaluation of gelatin-chondroitin sulphate hydrogels for controlled release of antibacterial proteins (2000) Biomaterials, 21, pp. 1763-1772; 
Hooper, K.A., Macon, N.D., Kohn, J., Comparative histological evaluation of new tyrosine-derived polymers and poly(L-lactic acid) as a function of polymer degradation (1998) J Biomed Mater Res, 41, pp. 443-454; 
Bos, R.R.M., Rozema, F.R., Boering, G., Nijenhuis, A.J., Pennings, A.J., Verwey, A.B., Nieuwenhuis, P., Jansen, H.W.B., Degradation of and tissue reaction to biodegradable poly(L-lactide) for use as internal fixation of fractures: A study in rats (1991) Biomaterials, 12, pp. 32-36; 
Nakamura, T., Veda, H., Tsuda, T., Li, Y.-H., Kiyotani, T., Inoue, M., Matsumoto, K., Shimizu, Y., Long-term implantation test and tumorigenicity of polyvinyl alcohol hydrogel plates (2001) J Biomed Mater Res, 56, pp. 289-296; 
Dziubla, T.D., Torjman, M.C., Joseph, J.I., Murphy-Tatum, M., Lowman, A.M., Evaluation of porous networks of poly(2-hydroxyethylmethacrylate) as interfacial drug delivery devices (2001) Biomaterials, 22, pp. 2893-2899; 
Spector, M., Lalor, P.A., In vivo assessment of tissue compatibility (1996) Biomaterials Science, pp. 220-228. , Ratner BD, Hoffman AS, Schoen FJ, Lemons JE, editors. New York: Academic Press
},
	month = {2004///},
	pages = {584 - 596},
	abstract = {The biocompatibility of chemoenzymatically generated dextran-acrylate hydrogels has been evaluated in vitro, using human foreskin fibroblasts, and in vivo, by subcutaneous and intramuscular implantation in Wistar rats for up to 40 days. In vitro tests show that hydrogel extracts only minimally reduced (<10\%) the mitochondrial metabolic activity of fibroblasts. Direct contact of the hydrogels with cells induced a cellular proliferation inhibition index (CPII) of 50-80\%, compared with a control, whereas through indirect contact, the CPII values were <16\%, suggesting that the high CPII values achieved in the direct assay test were likely due to mechanical stress or limitations in oxygen diffusion. Hence, the hydrogels were noncytotoxic. Moreover, cell-material interaction studies show that these hydrogels were nonadhesive. Finally, histologic evaluation of tissue response to subcutaneous and intramuscular implants showed acceptable levels of biocompatibility, as characterized by a normal cellular response and the absence of necrosis of the surrounding tissues of the implant. In the first 10 days, the foreign-body reaction in the intramuscular implantation was more severe than in subcutaneous implantation, becoming identical after 30 days. In both cases, dextran hydrogels did not show signs of degradation 6 weeks postimplantation and were surrounded by a thin fibrous capsule and some macrophages and giant cells. This response is typical with a number of nondegradable biocompatible materials. These results indicate that dextran hydrogels are biocompatible, and may have suitable applications as implantable long-term peptide/protein delivery systems or scaffolds for tissue engineering. {\textcopyright} 2004 Wiley Periodicals, Inc.},
	keywords = {Acrylates, acrylic acid, animal experiment, animal model, animal tissue, Animals, article, Biocatalytic polyester, Biocompatibility, Biocompatible Materials, Biodegradation, Environmental, Biodiversity, Biomaterials, cell adhesion, Cell Division, cell interaction, cell proliferation, Cells, Cultured, Coenzymes, controlled study, Cytotoxicity, dextran, dextran acrylate, dextran acrylate hydrogel, dextran hydrogel, Dextrans, drug delivery system, Enzymes, fibroblast, Fibroblasts, Fibrous capsules, foreign body reaction, Foreign-Body Reaction, giant cell, human, human cell, Humans, hydrogel, Hydrogels, implantation, Implants (surgical), Implants, Experimental, in vitro study, in vivo study, macrophage, male, materials testing, mechanical stress, Mechanical stresses, metabolism, Mitochondria, mitochondrial respiration, nonhuman, oxygen diffusion, prepuce, rat, Rats, Rats, Wistar, Tissue, Tissue engineering, unclassified drug},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-1342280525\&partnerID=40\&md5=fe5529e53db4261e72bde7a75e2cf2cc},
	author = {Ferreira, L. and Rafael, A. and Lamghari, M. and Barbosa, M.A. and Gil, M.H. and Cabrita, A.M.S. and Dordick, J.S.}
}
@book {2488,
	title = {Biological Activity of Two Glass Ceramics in the Meta- and Pyrophosphate Region: A Comparative Study},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Dias, A.G.; Faculdade de Engenharia, Universidade do Porto, DEMM, Rua Dr. Roberta Frias, 4200 Porto, PortugalReferences: Dias, A.G., Lopes, M.A., Gibson, I., Santos, J.D., J. Non-Crystal. Solids, , in press;Dias, A.G., Lopes, M.A., Tsuru, K., Hayakawa, S., Santos, J.D., Osaka, A., Physiscs and Chemistry of Glasses, , in press; 
Dias, A.G., Lopes, M.A., Santos, J.D., Advance Materials Science, , in press; 
Rykke, M., Rolla, G., Sonju, T., (1988) Scand. J. Dent. Res., 96, pp. 517-522
},
	month = {2004///},
	pages = {825 - 828},
	address = {Porto},
	abstract = {Based upon the CaO-P                        2O
                        5 glass system, two glass ceramics were prepared in the metaand pyrophosphate regions. The present work describes preliminary results concerning the biological activity of MK5B (45CaO-45P
                        2O
                        5-5MgO-5K20, in mol \%) and MT13B (45CaO-37P
                        2O
                        55-5MgO-13TiO
                        2, in mol \%) using MG63 osteoblast-like cells. Both materials supported cell growth and proliferation which increased with the incubation time. However, cell growth was significantly lower on seeded MK5B samples. SEM observation showed that cell adhesion and spreading were hampered on this material. Evident degradation of the material surface was observed with simultaneous cell proliferation and material precipitation. By contrast, MT13B presented a relatively stable surface throughout the culture time. Results suggest that the in vitro biological behaviour of MK5B and MT13B is related with differences in the degradation rates of the two materials during the culture time.
},
	keywords = {Adhesion, Biodegradable glass ceramics, Biodegradation, Bone, cell proliferation, Cells, Crystallization, Degradation, Glass ceramics, incubation time, MG63 osteoblast-like cells, Scanning electron microscopy, X ray diffraction},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0348146001\&partnerID=40\&md5=5245524d4dfb5615946aadcf5eb7c37a},
	author = {Dias, A.G. and Costa, M.A. and Lopes, M.A. and Santos, J.D. and Fernandas, M.H.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2478,
	title = {Bonelike{\textregistered}/PLGA hybrid materials for bone regeneration: In vivo evaluation},
	series = {Materials Science ForumMater Sci Forum},
	volume = {455-456},
	year = {2004},
	note = {Conference code: 63332Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: MSFOELanguage of Original Document: EnglishCorrespondence Address: Oliveira, J.M.; Inst. de Engenharia Biom{\'e}dica, Lab. de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: jmolive@fe.up.ptReferences: Praemer, A., Furner, S., Rice, D.P., (1992) Am. Acad. Orthop. Surg., p. 1;Glowacki, J., Mulliken, J.B., (1985) Clin. Plast. Surg., 12, p. 233; 
Buck, B.E., Malinin, T.I., Brown, M.D., (1989) Clin. Orthop., 36, p. 129; 
Sepulveda, P., Bressiani, A.H., Bressiani, J.C., Mesenguer, L., K{\"o}nig Jr., B., (2002) J. Biomed. Mater. Res. Vol., 62, p. 587; 
Glimcher, M.J., (1987) Instr. Course Lect., 36, p. 46; 
Yakamuro, T., Hench, L.L., Wilson, J., (1990) CRC Handbook of Bioactive Ceramics, 2, pp. 245-252; 
Klemm, K.W., (1993) Clin. Orthop. \& Rel. Res., 295, pp. 63-76; 
Agrawal, C.M., Ray, R.B., (2001) J. Biomed. Mater. Res., 55, p. 141; 
Santos, J.D., Campbell, J.K., Winton, G.H., (2000), European Patent N{\textdegree} W00068164Lopes, M.A., Santos, J.D., Monteiro, F.J., Ohtsuki, C., Osaka, A., Kaneko, S., Inoue, H., (2001) J. Biomed. Mater. Res., 54, p. 463
},
	month = {2004///},
	pages = {374 - 377},
	address = {Caparica},
	abstract = {The biocompatibility and osteoconductive potential of Bonelike{\textregistered} and Bonelike{\textregistered}/PLGA hybrid materials were evaluated through subcutaneous and tibiae implantations for a 4 week period. Qualitative histology was performed to evaluate new bone formation and characterise bone-implant interface and results showed that Bonelike{\textregistered}/PLGA hybrid materials promote extensive bone growth. After the 4 week implantation period, Bonelike{\textregistered} resorption was recognized, which may be due to the presence of resorbable β and α-tricalcium phosphate phases.},
	keywords = {Bacteria, Biodegradation, Bone, Bonelike resorption, Bonelike{\textregistered}, Histological studies, histology, Hybrid materials, hydroxyapatite, In vivo, physiology, PLGA, Polymers, Surgery, Tissue},
	isbn = {02555476 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-17044449739\&partnerID=40\&md5=4d9e5103b703ff0f016854e278f75823},
	author = {Oliveira, J.M. and Kawai, T. and Lopes, M.A. and Ohtsuki, C. and Santos, J.D. and Afonso, A.},
	editor = {Martins R. and Fortunato E. and Ferreira I. and Dias C.}
}
@article {2474,
	title = {Calcium phosphate-alginate microspheres as enzyme delivery matrices},
	journal = {BiomaterialsBiomaterials},
	volume = {25},
	year = {2004},
	note = {Cited By (since 1996): 92Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2003.11.028PubMed ID: 15046927Language of Original Document: EnglishCorrespondence Address: Ribeiro, C.C.; Laborat{\'o}rio de Biomateriais, INEB, Inst. de Engenharia Biom{\'e}dica, Rua do Campo Alegre 823, Porto 4150-180, Portugal; email: cribeiro@ineb.up.ptChemicals/CAS: Alginates; alginic acid, 9005-32-7; calcium phosphate, 10103-46-5; Calcium Phosphates; Drug Carriers; Enzymes, Immobilized; Glucosylceramidase, EC 3.2.1.45; Glucuronic Acid, 576-37-4; Hexuronic Acids; PowdersReferences: Griffith, L.G., Naughton, G., Tissue engineering: Current challenges and expanding opportunities (2002) Science, 295, pp. 1009-1014;Hench, L.L., Polak, J.M., Third-generation biomedical materials (2002) Science, 295, pp. 1014-1017; 
Temenoff, J.S., Mikos, A.G., Injectable biodegradable materials for orthopedic tissue engineering (2000) Biomaterials, 21, pp. 2405-2412; 
Laurencin, C.T., Lu, H.H., Polymer-ceramic composites for bone tissue engineering (2000) Bone Engineering, pp. 463-472. , J.E. Davies. Toronto, Canada: EM Squared Inc; 
Gauthier, O., Bouler -., J.M., Weiss, P., Bosco, J., Daculsi, G., Aguado, E., Kinetic study of bone ingrowth and ceramic resorption associated with the implantation of different injectable calcium-phosphate bone substitutes (1999) J Biomed Mater Res, 47, pp. 28-35; 
Dupraz, A., Delecrin, J., Moreau, A., Pilet, P., Passut, N., Long term bone response to particulate injectable ceramic (1998) J Biomed Mater Res, 42, pp. 368-375; 
Grimandi, G., Weiss, P., Millot, F., Daculsi, G., In vitro evaluation of a new injectable calcium phosphate material (1998) J Biomed Mater Res, 39, pp. 660-666; 
Gauthier, O., Boix, D., Grimandi, G., Aguado, E., Bouler, J.M., Weiss, P., Daculsi, G., A new injectable phosphate biomaterial for immediate bone filling of extraction sockets: A preliminary study in dogs (1999) J Periodontol, 70, pp. 375-383; 
Peter, S.J., Nolley, J.A., Widmer, M.S., Mervin, J.E., Yaszemski, M.J., Yasko, A.W., Engel, P.S., Mikos, A.G., In vitro degradation of a poly (propylene fumarate)/β-tricalcium phosphate composite orthopedic scaffold (1997) Tissue Eng, 3, pp. 207-215; 
Sims, C.D., Butler, P.E.M., Casanova, R., Lee, B.T., Randolph, M.A., Lee, W.P.A., Vacant, C.A., Yamremchuk, M.J., Injectable cartilage using polyethylene oxide polymer substrates (1996) Plast Reconstr Surg, 98, pp. 843-850; 
Suggs, L.J., Shive, M.S., Garcia, C.A., Anderson, J.M., Mikos, A.G., In vitro cytotoxicity and in vivo biocompalibility of poly (propylene fumarate-co-ethylene glycol) hydrogels (1999) J Biomed Mater Res, 46, pp. 22-32; 
Suggs, L.J., Krishnan, R.S., Garcia, C.A., Peter, S.J., Anderson, J.M., Mikos, A.G., In vitro and in vivo degradation of poly(propylene fumarate-co-ethylene glycol) hydrogels (1998) J Biomed Mater Res, 42, pp. 312-320; 
Frazier, D.D., Lathi, V.K., Gerhart, T.N., Hayes, W.C., Ex vivo degradation of a poly (propylene glycol-fumarate) biodegradable particulate bone cement (1997) J Biomed Mater Res, 35, pp. 383-389; 
Kharas, G.B., Kamanetsky, M., Simantirakis, J., Beinlich, K.C., Rizzo, A.-.M.T., Caywood, G.A., Watson, K., Synthesis and characterization of fumarate-based polyesters for use in bioresorbable bone cement composites (1997) J Appl Polym Sci, 66, pp. 1123-1137; 
Paige, K.T., Cima, L.G., Yaremchuck, M.J., Vacant, J.P., Vacant, C.A., Injectable cartilage (1995) Plast Reconstr Surg, 96, pp. 1390-1400; 
Paige, K.T., Cima, L.G., Yaremchuck, M.J., Vacant, J.P., Vacant, C.A., De novo cartilage generation using calcium-alginate-chondrocyte constructs (1996) Plast Reconstr Surg, 97, pp. 168-180; 
Kulseng, B., Skjak-Braek, G., Ryan, L., Andersson, A., King, A., Faxvaag, A., Espevik, T., Transplantation of alginate microcapsules (1999) Transplantation, 67, pp. 978-984; 
Martinetti, R., Dolcini, L., Ravaglioli, A., Krajewski, A., Mangano, C., Experimental study on hydroxyapatite/N-carboxymethyl chitosan fillers (1997) Bioceramics, 10, pp. 503-506. , L. Sedel, \& C. Rey. Oxford, UK: Elsevier; 
Maruyama, M., Ito, M., In vitro properties of a chitosan-bonded self hardening paste with hydroxyapatite granules (1996) J Biomed Mater Res, 32, pp. 527-532; 
Dupraz, A., Nguyen, T.P., Richard, M., Daculsi, G., Passuti, N., Influence of a cellulosic ether carrier on the structure of biphasic calcium phosphate ceramic particles in an injectable composite material (1999) Biomaterials, 20, pp. 663-673; 
Ribeiro, C.C., Ma, B., Calcium-Titanium-Phosphate: A Potential Material to Be Used in the Biomedical Field, , submitted for publication; 
Alamo, J., Chemistry and properties of solids with NZP skeleton (1993) Solid State Ionics, 63, pp. 547-561; 
Takahiro, S., Motohiro, T., Hosono, H., Application of a microporous glass-ceramic with a skeleton of CaTi 4(PO 4) 6 to carriers for immobilization of enzymes (1991) J Ferment Bioeng, 72, pp. 384-391; 
Gross, U., Muller-Mai, C., Voigt, C., Mesgarian, M., Berger, G., Ploska, U., Tissue response in femur of rabbits after implantation of a new calcium titanium phosphate composition (2001) Key Eng Mater, 192-195, pp. 383-386; 
Otsuka, M., Matsuda, Y., Fox, J.L., Higuchi, W.I., Yu, D., Wong, J., A novel skeletal drug delivery system for anti bacterial drugs using self-setting hydroxyapatite cement (1990) Chem Pharm Bull (Tokyo), 38, pp. 3500-3502; 
Guicheux, J., Grimandi, G., Trecant, M., Faivre, A., Takahashi, S., Apatite as a carrier for growth hormone: In vitro characterization of loading and release (1997) J Biomed Mater Res, 34, pp. 165-170; 
Gombotz, W.R., Wee, S.F., Protein release from alginate matrices (1998) Adv Drug Deliv Rev, 31, pp. 267-285; 
Eiselt, P., Yeh, J., Latvala, R.K., Shea, L.D., Mooney, D.J., Porous carriers for biomedical applications based on alginate hydrogels (2000) Biomaterials, 21, pp. 1921-1927; 
Alsberg, V., Anderson, K., Albeiruti, A., Franceshi, R.T., Mooney, D.J., Cell interactive alginate hydrogels for bone tissue engineering (2001) J Dent Res, 80, pp. 2025-2029; 
Smidsrod, O., Draget, K.I., Chemistry and physical properties of alginates (1996) Carbohyd Europe, 14, pp. 6-13; 
Sivakumar, M., Manjubala, I., Panduranga Rao, K., Preparation, characterization and in-vitro release of gentamicin from coralline hydroxyapatite-chitosan composite microspheres (2002) Carbohyd Pol, 49, pp. 281-288; 
Qiu, Q.Q., Ducheyne, P., Ayyaswamy, P.S., New bioactive, degradable composite microspheres as tissue engineering substrates (2000) J Biomed Mater Res, 52, pp. 66-76; 
Hsu, F.Y., Chueh -., S.C., Wang, Y.J., Microspheres of hydroxyapatite/reconstituted collagen as supports for osteoblast cell growth (1999) Biomaterials, 20, pp. 1931-1936; 
Grabowski, G.A., Leslie, N., Wenstrup, R., Enzyme therapy for Gaucher disease: The first 5 years (1998) Blood Rev, 12, pp. 115-133; 
Xu, Y.H., Ponce, E., Sun, Y., Leonova, T., Bove, K., Witte, D., Grabowski, G.A., Turnover and distribution of intravenously administered mannose-terminated human acid beta glucosidase in murine and human tissues (1996) Pediatr Res, 39, pp. 313-322; 
Ferraz, M.P., Monteiro, F.J., Serro, A.P., Saramago, B., Gibson, I.R., Santos, J.D., Effect of chemical composition on hydrophobicity and zeta-potential of plasma spayed HA/CaO-P 2O 5 glass coatings (2001) Biomaterials, 22, pp. 3105-3112; 
Lopes, M.A., Monteiro, F.L., Santos, J.D., Serro, A.P., Saramago, B., Hydrophobicity, surface tension, and zeta potential measurements of glass reinforced hydroxyapatite composites (1999) J Biomed Mater Res, 45, pp. 370-375; 
Dupuy, B., Arien, A., Minnot, A.P., FT-IR membranes made with alginate/polylysine complexes. Variations with mannuronic or guluronic content of the polysaccharides. Art Cells, Blood Subs (1994) Immob Biotech, 20, pp. 71-82; 
Peters, T., (1996) All about Albumin: Biochemistry, Genetics and Medical Applications, , San Diego, CA: Academic Press Inc; 
Nakanishi, K., Sakiyama, T., Imamura, K., On the adsorption of proteins on solid surfaces, a common but very complicated phenomenon (2001) J Biosci Bioeng, 91, pp. 233-244
},
	month = {2004///},
	pages = {4363 - 4373},
	abstract = {The present study concerns the preparation and initial characterisation of novel calcium titanium phosphate-alginate (CTP-alginate) and hydroxyapatite-alginate (HAp-alginate) microspheres, which are intended to be used as enzyme delivery matrices and bone regeneration templates. Microspheres were prepared using different concentrations of polymer solution (1\% and 3\%w/v) and different ceramic-to-polymer solution ratios (0.1, 0.2 and 0.4w/w). Ceramic powders were characterised using X-ray diffraction, laser granulometry, Brunauer, Emmel and Teller (BET) method for the determination of surface area, zeta potential and Fourier transform infrared spectroscopy (FT-IR). Alginate was characterised using high performance size exclusion chromatography. The methodology followed in this investigation enabled the preparation of homogeneous microspheres with a uniform size. Studies on the immobilisation and release of the therapeutic enzyme glucocerebrosidase, employed in the treatment of Gaucher disease, were also performed. The enzyme was incorporated into the ceramic-alginate matrix before gel formation in two different ways: pre-adsorbed onto the ceramic particles or dispersed in the polymeric matrix. The two strategies resulted in distinct release profiles. Slow release was obtained after adsorption of the enzyme to the ceramic powders, prior to preparation of the microspheres. An initial fast release was achieved when the enzyme and the ceramic particles were dispersed in the alginate solution before producing the microspheres. The latter profile is very similar to that of alginate microspheres. The different patterns of enzyme release increase the range of possible applications of the system investigated in this work. {\textcopyright} 2003 Elsevier Ltd. All rights reserved.},
	keywords = {Absorption, Adsorption, Alginate, Alginates, article, Biomaterials, Bone, Calcium Compounds, Calcium phosphates, Calcium titanium phosphate, calcium titanium phosphate alginate, ceramics, Drug Carriers, Drug Delivery Systems, Enzyme delivery, Enzyme-delivery, Enzymes, Enzymes, Immobilized, Fourier transform infrared spectroscopy, Glucosylceramidase, Glucuronic Acid, Hexuronic Acids, High performance liquid chromatography, hydroxyapatite, hydroxyapatite alginate, laser, methodology, microsphere, Microspheres, Molecular Conformation, Particle Size, Powders, priority journal, surface property, unclassified drug, X ray diffraction},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-1642331315\&partnerID=40\&md5=217590793385cbaff039a6b260d3d85c},
	author = {Ribeiro, C.C. and Barrias, C.C. and Barbosa, M.A.}
}
@book {2486,
	title = {CaO-P                    2O
                    5 Glass-Hydroxyapatite Thin Films Obtained by Laser Ablation: Characterisation and In Vitro Bioactivity Evaluation
},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Ferraz, M.P.; Inst. de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua Campo Alegre 823, 4150-180 Porto, Portugal; email: mpferraz@ufp.ptReferences: Arias, J.L., (1997) J Mater. Sci. Mater. Med., 8, pp. 873-876;Peraire, C., (1997) 13 th European Conference on Biomaterials, p. 75. , G{\"o}teborg, Sweden, 4-7 Sept; 
Ferraz, M.P., Monteiro, F.J., Santos, J.D., (1999) J Biomed Mater Res, 45, p. 373; 
Ferraz, M.P., Fernandes, M.H., Trigo-Cabral, A., Santos, J.D., Monteiro, F.J., (1999) J. Mat Sci: Mat. Med, 10 (9), p. 567
},
	month = {2004///},
	pages = {347 - 350},
	address = {Porto},
	abstract = {Hydroxyapatite (HA) coatings have been applied to improve adhesion of non-cemented implants to host bone. Plasma spraying is the most common technique leading to thick calcium phosphate films (\&gt;120μm). Pulse laser deposition (PLD), is a possible alternative method to obtain thin (\&lt;10 μm), well adherent hydroxyapatite (HA) films. Similarly to synthetic HA, biological apatites contain Ca                        2+, PO
                        4
                        3- and OH
},
	keywords = {2O, 5 glass, Adhesion, Bioactivity, Bone, Calcium Compounds, CaO-P, Coatings, Deposition, Energy dispersive spectroscopy, Homogeneous mixtures, Hydroxylapatite thin films, Implants (surgical), In vitro bioactivity, Laser ablation, Plasma spraying, Scanning electron microscopy, Thin films, X ray diffraction},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347516195\&partnerID=40\&md5=ddd47b73956669a35aa9041ce9102612},
	author = {Ferraz, M.P. and Monteiro, F.J. and Gi{\~a}o, D. and Leon, B. and Gonzalez, P. and Liste, S. and Serra, J. and Arias, J. and Perez-Amor, M.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2494,
	title = {Combining Foaming and Starch Consolidation Methods to Develop Macroporous Hydroxyapatite Implants},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 10Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Depto. de Engenharia Cer{\^a}mica, CICEO, Campus de Santiago, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: De Groot, K., (1983) Bioceramics of Calcium Phosphates, , CRC Press, Boca Raton, FL;Hench, L.L., Wilson, J., (1993) An Introduction to Bioceramics, , World Scientific, London, UK; 
Ohgushi, H., Okumura, M., Yoshikawa, T., Inoue, K., Senpuku, N., Tamai, S., Shors, E.C., (1992) J. Biomed. Mater. Res., 26, p. 885; 
Minnear, W.P., (1992) Processing of Foamed Ceramics, Ceramic Transactions, Forming Science and Technology for Ceramics Vol. 26, 26. , ed. M.J. Cima, The American Ceramic Society, USA; 
Omatete, O., Janney, M.A., Strehlow, R.A., (1991) Am. Ceram Soc.Bull., 70, p. 1641; 
Kosmac, T., Novak, S., Sajko, M., (1995) Fourth Euro Ceramics, Vol. 1, Basic Science Developments, 1. , ed. C. Galassi. Gruppo Editoriale Faenza Editrice S.p.a., Italy; 
Graule, T.J., Baader, F.H., Gauckler, L.J., (1994) Cfi/Ber. DKH., 71, p. 317; 
Novich, B.E., Sundback, C.A., Adams, R.W., (1992) Ceramic Transactions, 26. , ed. M. J. Cima. American Ceramic Society, USA; 
Rives, R.D., U. S. Patent 4113480 (1976)Lycfeldt, O., Brandt, J., Lesca, S., (2000) J. Eur. Ceram. Soc., 20 (14-15), p. 2551; 
Olhero, S.M., Tar{\`\i}, G., Coimbra, M.A., Ferreira, J.M.F., (2000) J. Eur. Ceram. Soc., 20 (4), p. 423; 
Lycfeldt, O., Ferreira, J.M.F., (1998) J. Eur. Ceram. Soc., 18, p. 131; 
Lemos, A.F., Santos, J.D., Ferreira, J.M.F., (2003) Advanced Materials Forum, , in press
},
	month = {2004///},
	pages = {1041 - 1044},
	address = {Porto},
	abstract = {Hydroxyapatite (HA) is the calcium-phosphate material with composition closest to that of bone, what makes it suitable for osseous implant purposes. This material was used to produce macroporous structures with pores larger than 100 μm, which are believed to be suitable for allowing bone ingrowth. The macroporous structures were generated and consolidated by combining foaming and starch consolidation methods. The porous structures could be tailored according to the final application by varying the proportion of different foaming agents, foam-bath concentrate (FBC) and sodium lauril sulphate (SLS). Playing with these proportions it was also possible to improve foam stability and model the size of pores and pore interconnections in order to reproduce the pore structure of natural bone.},
	keywords = {Bioceramics, Biocompatibility, Bone, Composition, Foaming method, hydroxyapatite, Hydroxyapatlte, Implants (surgical), Macroporous structures, Microstructure, Pore size, Porous ceramics, Porous materials, Starch, Starch consolidation},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346885485\&partnerID=40\&md5=63e5b33a0a2185af44b629c565e5240f},
	author = {Lemos, A.F. and Ferreira, J.M.F.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2495,
	title = {Designing of Bioceramics with Bonelike Structures Tailored for Different Orthopaedic Applications},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Depto. de Engenharia Cer{\^a}mica, CICECO, Campus de Santiago, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: Hing, K.A., Best, S.M., Tanner, K.E., Bondfield, W., Revell, P.A., (1997) J. Mater. Sci: Mater Med., 8, p. 731;Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., (1994) Biomaterials, 15, p. 5; 
Lopes, M.A., Knowles, J.C., Santos, J.D., Monteiro, F.J., Olsen, I., (1998) J. Biomed. Mater. Res., 41, p. 649; 
Kon, E., Muraglia, A., Corsi, A., Bianco, P., Marcacci, M., Martin, I., Boyde, A., Quarto, R., (2000) J. Biomed. Mater. Res., 49 (3), p. 328; 
Prado da Silva, M.H., Lemos, A.F., Lopes, M.A., Ferreira, J.M.F., Santos, J.D., (2002) Journal of Non-crystalline Solids, 304, p. 286; 
Schwartzwalder, K., Somers, A.V., U.S. Patent n{\textdegree} 3 090 094, (1963)Saggio-Woyanski, J., Scott, C.E., Minnear, W.P., (1992) Amer. Ceram. Soc. Bull., 71 (11), p. 1674; 
Olhero, S.M., Tar{\`\i}, G., Coimbra, M.A., Ferreira, J.M.F., (2000) J. Eur. Ceram. Soc., 20 (4), p. 423; 
Lyckfeldt, O., Ferreira, J.M.F., (1998) J. Eur. Ceram. Soc., 18, p. 131; 
Lemos, A.F., Santos, J.D., Ferreira, J.M.F., (2003) Advanced Materials Forum, , in press; 
Lyckfeldt, O., Brandt, J., Lesca, S., (2000) J. Eur. Ceram. Soc., 20 (14-15), p. 2551
},
	month = {2004///},
	pages = {1037 - 1040},
	address = {Porto},
	abstract = {Innovative methods for the production of porous bioceramics for implants with tailored pore volume fractions, pore sizes, pore size distributions and pore interconnectivity have been developed. The average pore sizes can vary from a few micrometers to more than one millimeter, therefore fulfilling all the needs required for components used in implantology. The methods combine in a suitable way the knowledge coming from different areas in the field of colloid and interface science, namely, on the processing of ceramic materials by traditional colloidal shaping techniques such as slip casting with a number of new direct consolidation techniques, which transform the fluid hydroxyapatite (HA) based suspensions into rigid bodies, and particularly the expertise in the production of porous ceramics by different techniques. Slip casting was preferably used for designing the cortical part of the bone, while direct consolidation techniques were used to "freeze" tailored foamy structures or suspensions containing different kinds of organic inclusions of suitable sizes and amounts that generate pores after burning out.},
	keywords = {Bioceramics, Biocompatibility, Bone, Cells, Ceramic materials, Consolidation techniques, hydroxyapatite, morphology, orthopedics, Pore size, Porous ceramics, Porous materials, Sintering, Slip casting},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347516107\&partnerID=40\&md5=1bc01982f338c175b41fd08698d3da1c},
	author = {Lemos, A.F. and Ferreira, J.M.F.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2493,
	title = {Effect of the Solvents on the Solution Mixture Derived Polylactide/hydroxyapatite Composites},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Weng, W.; Dept. of Mat. Sci. and Engineering, Zhejiang University, Hangzhou 310027, China; email: wengwj@zju.edu.cnReferences: Hench, L.L., (1998) Journal of American Ceramic Society, 81, p. 1705;Wang, M., (2003) Biomaterials, 24, p. 2133; 
Hao, J., Yuan, M., Deng, X., (2001) Biomaterials, 22, p. 2867; 
Ignjatovic, N., Tomic, S., Dakic, M., Miljkovic, M., Plavsic, M., Uskokovic, D., (1999) Biomaterials, 20, p. 809; 
Misra, D.N., (1988) Langmuir, 4, p. 953; 
Dean, J.A., (1999) Lange{\textquoteright}s Handbook of Chemistry (15th Edition), , McGraw-HILL, INC. New York
},
	month = {2004///},
	pages = {477 - 480},
	address = {Porto},
	abstract = {Polylactide/hydroxyapatite composites were prepared by a solution mixture method. Chloroform and tetrahydrofuran were used as solvents. The effect of the solvents on the polylactide/hydroxyapatite composites was investigated by TEM, mechanical properties, sedimentation time and UV-Vis transmission spectra. The results indicate that the polylactide/hydroxyapatite prepared using tetrahydrofuran as solvent has better dispersion of the hydroxyapatite filler in the matrix and larger bend strength than the one using chloroform as solvent. This is ascribed to the proper interaction between the solvent and hydroxyapatite filler.},
	keywords = {Bend strength, Composite, Composite materials, dispersion, Dispersions, Fillers, Heat treatment, Hydroxvapatite, hydroxyapatite, Polarity, polylactide, Sedimentation, Solutions, Solvent, Solvents, transmission electron microscopy, Ultraviolet radiation},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346885571\&partnerID=40\&md5=4f0c563b563f23ea5102e4ef36cfd243},
	author = {Li, Y. and Weng, W. and Cheng, K. and Du, P. and Shen, G. and Han, G. and Lopes, M.A. and Santos, J.D.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2485,
	title = {Effects of some variables on R.F. Magnetron Sputtered Hydroxyapatite Coatings on Titanium},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Silva, R.A.; Inst. Sup. de Engenharia do Porto, Rua Dr. Antonio Bernardino A., 431, 4200-072 Porto, Portugal; email: ras@isep.ipp.ptReferences: Hing, K.A., Best, S.M., Tanner, K.E., Bonfield, W., Revell, P.A., (1997) Journal of Materials Science: Materials in Medicine, 8, pp. 731-736;Raynaud, S., Champion, E., Bernache-Assolant, D., Tetard, D., (1998) Journal of Materials Science: Materials in Medicine, 9, pp. 221-227; 
Weng, J., Liu, X., Zhang, X., De Groot, K., (1996) Journal of Biomedical Materials Research, 30, pp. 5-11; 
Gross, K.A., Gross, V., Berndt, C.C., (1998) Journal of the American Ceramic Society, 81 (1), pp. 106-112; 
Edwards, J.T., Brunski, J.B., Higuchi, (1997) Journal of Biomedical Materials Research, 36, pp. 454-468; 
Yang, C.Y., Lin, R.M., Wang, B.C., Lee, T.M., Chang, E., Hang, Y.S., Chen, P.Q., (1997) Journal of Biomedical Materials Research, 37, pp. 335-345; 
Ogiso, M., Yamamura, M., Kuo, P.T., Borgese, D., Matsumoto, T., (1998) Journal of Biomedical Materials Research, 39, pp. 364-372; 
Van Dijk, K., Schaeken, H.G., Wolke, J.G.C., Maree, C.H.M., Habraken, F.H.P.M., Jansen, J.A., (1995) Materials in Clinical Applications, pp. 249-256. , P. Vincenzini, (ed.); 
Yoshinari, M., Hayakawa, T., Wolke, J.G.C., Nemoto, K., Jansen, J.A., (1997) Journal of Biomedical Materials Research, 37, pp. 60-67; 
Wolke, J.G.C., De Groot, K., Jansen, J.A., (1998) Journal of Biomedical Materials Research, 39, pp. 524-530
},
	month = {2004///},
	pages = {323 - 326},
	address = {Porto},
	abstract = {RF sputtering may be used to produce thin, well adherent bioactive coatings with long term stability to ensure contact with bone tissue. RF Sputtered Hydroxyapatite (HA) coatings were produced onto Ti at 200 and 150 W. S.E.M. analysis indicated that films obtained with 200 W were thicker than those with 150 W. Significant variations were observed, depending on the location of the substrates with respect to the sample holder in the sputtering chamber, with thickness ranging from 1.8 to 3.2 μm. EDS analysis of 200 W films revealed the presence of Ca and P, in ratios typical of HA. XPS of thinner films obtained at 150 W, showed Ca and P, but also some carbonate probably partially substituting OH. Anodic polarisation curves of samples coated at 200 W and 150 W and for different sputtering times, compared to Ti substrate, indicate that HA films were protective and that the degree of protection increased with film thickness, i.e., with power intensity and time of deposition.},
	keywords = {Bioactive coatings, Bone, Coatings, Corrosion protection, hydroxyapatite, Magnetron sputtering, Plasma spraying, Polarization, RF sputtering, Scanning electron microscopy, Sputter deposition, Sputtering chambers, Thin films, Titanium},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347659048\&partnerID=40\&md5=3b3caf6fcde1c71242d25a74b296f870},
	author = {Silva, R.A. and Sousa, M. and Monteiro, F.J. and Barral, R. and Santos, J.D. and Lopes, M.A.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2489,
	title = {In Vitro Cytocompatibility of Osteoblastic Cells Cultured on Chitosan-Organosiloxane Hybrid Membrane},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Shirosaki, Y.; Biomaterial Laboratory, Faculty of Engineering, Okayama University, Tsushima, Okayama-shi 700-8530, JapanReferences: Chandy, T., Sharma, P.C., (1990) Biomat Art Cells Art Org, 18, pp. 1-24;Jameela, S.R., Jayakrishnan, A., (1995) Biomaterials, 16, pp. 769-775; 
Nishi, C., Nakajima, N., Ikada, Y., (1995) J Biomed Mater Res., 29, pp. 829-834; 
Ren, L., Tsuru, K., Hayajkawa, S., Osaka, A., (2002) Biomaterials, 23, pp. 4765-4773
},
	month = {2004///},
	pages = {857 - 860},
	address = {Porto},
	abstract = {Chitosan-silicate hybrids were synthesized using γ-glycidoxypropyltrimethoxysilane (GPSM) as the agent to cross-link the chitosan chains. Fourier-transform infrared (PT-IR) spectroscopy was used to analyze the structures of the hybrids. The swelling ability and the cytocompatibility of the hybrids were investigated as a function of the GPSM concentration. The swelling of the hybrids was suppressed by addition of GPSM. MG63 human osteoblastic cells were cultured on the hybrids. The adhesion and proliferation of the MG63 cells cultured on the chitosan-GPSM hybrid surface were improved comparing to that on chitosan membrane, regardless the GPSM concentration.},
	keywords = {Biocompatibility, Biological membranes, biosynthesis, Cell culture, Cells, chitosan, Chitosan-inorganic hybrid, Crosslinking, Cytocompatibility, Fourier transform infrared spectroscopy, Nuclear magnetic resonance spectroscopy, Organic polymers, Osteoblastic cell (MG63), Structural analysis, Synthetic polymers, Tissue, Tissue engineering, γ-Glycidoxypropyltrimethoxysilane (GPSM)},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346885502\&partnerID=40\&md5=80d45c86bb14c57c3b1a6b94b435e45d},
	author = {Shirosaki, Y. and Tsuru, K. and Hayakawa, S. and Osaka, A. and Lopes, M.A. and Santos, J.D. and Fernandes, M.H.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2499,
	title = {In Vitro Mineralisation of Human Bone Marrow Cells Cultured on Bonelike{\textregistered}},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 6Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Costa, M.A.; Inst. Cie. Blomed. de Abel Salazar, Universidade do Porto, Largo Abel Salazar, 4000 Porto, PortugalReferences: Santos, J.D., Campbell, J.K., Winston, G.H., European Patent N{\textdegree} WO0068164, 2000Lopes, M.A., Knowles, J.C., Santos, J.D., (2000) Biomaterials, 21, p. 1905;Lopes, M.A., Monteiro, F.J., Santos, J.D., (1999) J. Biomed. Mater. Res.:App. Biomater., 48, p. 734; 
Lopes, M.A., Knowles, J.C., Kuru, L., Santos, J.D., Monteiro, F.J., Olsen, I., (1998) J. Biomed. Mater. Res., 41, p. 649; 
Lopes, M.A., Knowles, J.C., Santos, J.D., Monteiro, F.J., Olsen, I., (2000) Biomaterials, 21, p. 1165; 
Ferraz, M.P., Fernandes, M., Santos, J.D., Monteiro, F.J., (2001) J. Mat. Sci.: Mat. Med., 12, p. 629; 
Lopes, M.A., Santos, J.D., Monteiro, F.J., Ohtsuki, C., Osaka, A., Kaneko, S., Inoue, H., (2001) J. Biomed. Mater. Res., 54, p. 463; 
Duarte, F., Santos, J.D., Afonso, A., Advanced Materials Forum, , in press; 
Coelho, M.J., Fernandes, M.H., (2000) Biomaterials, 21, p. 1095; 
Kleerekoper, M., (1996) Principles of Bone Biology, p. 1053. , Academic Press
},
	month = {2004///},
	pages = {821 - 824},
	address = {Porto},
	abstract = {Bonelike{\textregistered} is a CaO-P                        2O
                        5 based glass-reinforced hydroxyapatite (HA) designed to mimic the inorganic composition of the bone tissue. This work evaluates the response of human bone marrow cells to Bonelike{\textregistered} concerning cell proliferation and osteoblast differentiation. HA was used as control material. Results showed that Bonelike{\textregistered} allowed the proliferation of bone marrow cells and their complete differentiation, as evidenced by the formation of cell-mediated mineralisation. In comparison with HA, Bonelike{\textregistered} had a positive effect on the expression of alkaline phosphatase and also on the formation of a mineralised matrix, two osteoblast markers.
},
	keywords = {Bone, Bonelike{\textregistered}, Cell culture, cell proliferation, Composition, Grafts, Human bone marrow cells, hydroxyapatite, In vitro mineralisation, mineralization, Scanning electron microscopy, Sintering, X ray diffraction},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346255201\&partnerID=40\&md5=470ac94fd75d1a53b887d44f59fbf7d1},
	author = {Costa, M.A. and Gutierres, M. and Almeida, L. and Lopes, M.A. and Santos, J.D. and Fernandes, M.H.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2487,
	title = {In Vivo Behaviour of Bonelike{\textregistered}/PLGA Hybrid: Histological Analysis and Peripheral Quantitative Computed Tomography (pQ-CT) Evaluation},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Oliveira, J.M.; Inst. de Engenharia Biom{\'e}dica, Lab. de Biomaterials, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: jmoliv@fe.up.ptReferences: Solheim, E., Pinholt, E., Bang, G., (1992) Journal Neurosurgery, 76, pp. 275-279;Laurecin, C.T., Attawia, M.A., Lu, L.Q., Borden, M.D., Lu, H.H., Gorum, W.J., Lieberman, J.R., (2001) Biomaterials, 22, pp. 1271-1277; 
Nielsen, F.F., Karring, T., Gogolewski, S., (1992) Acta Orthop Scandinavica, 63, pp. 66-69; 
Jiang, G., Woo, B.H., Kang, F., Singh, J., Deluca, P.P., (2002) Journal of Controlled Release, 79, pp. 137-145; 
Duarte, F., Lopes, M.A., Santos, J.D., European Cells and Materials, , in press; 
Duarte, F., Afonso, A., Santos, J.D., Advanced Materials Forum, , in press; 
Oliveira, J.M., Lopes, M.A., Kawai, T., Ohtsuki, C., Santos, J.D., Afonso, A., Advanced Materials Forum, , in press; 
Santos, J.D., Campbell, J.K., Winton, G.H., European Patent N{\textdegree} W00068164 (2000)Oliveira, J.M., Miyazaki, T., Lopes, M.A., Ohtsuki, C., Santos, J.D., Biomaterials, , submitted
},
	month = {2004///},
	pages = {565 - 568},
	address = {Porto},
	abstract = {The present work consisted in assessing the in vivo biological behaviour of novel Bonelike{\textregistered}/PLGA hybrid materials through subcutaneous and tibiae implantations for a 4 week period using an animal model. No sign of inflammation was observed as a result of subcutaneous implantation, which reveals that these materials were well-tolerated by the soft tissues. pQ-CT analysis demonstrated that the implanted materials were highly osteointegrated in bone tissue. SEM analysis at bone defect area revealed that Bonelike{\textregistered} resorption occurred after 4 weeks of implantation. Although the osteoconductive properties of Bonelike{\textregistered} have been reported in literature, the present work allowed to demonstrate that the silane-coupling agent and the PLGA treatments do not significantly modify the biological performance of Bonelike{\textregistered}. This result is strongly encouraging since Bonelike{\textregistered}/PLGA hybrid materials are being developed for bone tissue healing/regeneration purposes with simultaneous delivery of therapeuthic molecules.},
	keywords = {Biodegradation, Bonelike{\textregistered}, Computerized tomography, Histological analysis, histology, hydroxyapatite, In vivo studies, Organic polymers, PLGA, pQ-CT, Silanes, Sintering, Synthetic polymers, Tibiae implantations, Tissue},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346255223\&partnerID=40\&md5=1d0c1ad508daa6b14d2d3aeabf5fff65},
	author = {Oliveira, J.M. and Kawai, T. and Lopes, M.A. and Ohtsuki, C. and Santos, J.D. and Afonso, A.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2479,
	title = {Influence of characteristics of the starting hydroxyapatite powders and of deagglomeration procedure, on rheological behaviour of HA suspensions},
	series = {Materials Science ForumMater Sci Forum},
	volume = {455-456},
	year = {2004},
	note = {Conference code: 63332Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: MSFOELanguage of Original Document: EnglishCorrespondence Address: Ferreira, J.M.F.; Dept. of Ceramics Engineering, CICECO, Univ. of Aveiro, 3810-193 Aveiro, Portugal; email: jmf@cv.ua.ptReferences: Kanazawa, T., (1989) Inorganic Phosphate Materials, 52, p. 15. , Materials Science Monographs, (Elsevier Science Publishers, Amsterdam);Elliot, J.C., (1994) Structure and Chemistry of the Apatites and Other Calcium Orthophosphates. Studies in Organic Chemistry, 18. , Elsevier Science, Netherlands; 
Ohgushi, H., Okumura, M., Yoshikawa, T., Inoue, K., Senpuku, N., Tamai, S., Shors, E.C., (1992) J. Biomed. Mater. Res., 26, p. 885; 
Saggio-Woyanski, J., Scott, C., (1992) Am. Ceram. Soc. Bull., 71, p. 1674; 
Lyckfeldt, O., Ferreira, J.M.F., (1998) J. Eur. Ceram. Soc., 18, p. 131; 
Lorenzo, L.M.R., (1999), PhD Thesis MadridOlhero, S.M., Ferreira, J.M.F., (2003) Powder Thecnology, , accepted for publication
},
	month = {2004///},
	pages = {361 - 365},
	address = {Caparica},
	abstract = {In order to evaluate how the characteristics of starting HA powders affect their dispersion ability, several tests were made, including particle size distribution, particle morphology (SEM) and rheological measurements of the suspensions. To enable the preparation of concentrated suspensions as high as possible, the influence of deagglomeration procedure on rheological behaviour of hydroxyapatite aqueous suspensions was evaluated. The results revealed significant differences in the dispersing ability of the powders and on the maximum achievable solids loading. In fact, the maximum solids volume fraction that was possible to incorporate in the initial suspension of HA                        R was only 35-vol.\%, while with the HA
                        S it has been possible to start from 45-vol.\% suspensions. Ball milling revealed to be more efficient than planetary milling in the preparation of HA
                        R suspensions, and enabled to achieve a maximum solids volume fraction of 45-vol.\% at the end of long milling period, which included successive incremental additions of powder. The powder HA
                        S exhibited a much better dispersing ability, enabling the preparation of 60-vol.\% solids only after two hours of planetary milling.
},
	keywords = {Agglomeration, Bioceramics, crystallography, Deagglomeration, Foaming processes, hydroxyapatite, medicine, morphology, Particle size analysis, Powder characteristics, Powders, rheology, Scanning electron microscopy, Sedimentation, Sintering},
	isbn = {02555476 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-17044460745\&partnerID=40\&md5=5c72052a267f3f7c544667ce61b5e434},
	author = {Lemos, A.F. and Santos, J.D. and Ferreira, J.M.F.},
	editor = {Martins R. and Fortunato E. and Ferreira I. and Dias C.}
}
@book {2491,
	title = {Mineralised membranes for bone regeneration},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Mesquita, P.; Inst. de Engenharia Biom{\'e}dica, R. do Campo Alegre 823, 4150-180 Porto, PortugalReferences: Baron, M., Haas, R., D{\"o}rtbudak, O., Watzek, G., Experimentally induced peri-implantitis: A review (2000) Int J Oral Maxillofac Implants, 15, pp. 533-544;Hammerle, C.H., Jung, R.E., Feloutzis, A., A systematic review of the survival of implants in bone sites augmented with barrier membranes (guided bone regeneration) in partially edentulous patients (2002) J Clin. Periodontol., 29 (SUPPL. 3), pp. 226-231; 
Brunel, G., Brocard, D., Duffort, J.F., Jacquet, E., Justumus, P., Simonet, T., Benque, E., Bioabsorbable materials for guided bone regeneration prior to implant placement and 7-year followup: Report of 14 cases (2001) J Periodontol., 72 (2), pp. 257-264; 
Karapati, S., Hugson, A., Kugelberg, C.F., Healing following GTR treatment of bone defects distal to mandibular 2 nd molars after removal of impacted 3 rd molars (2000) J. Clin. Periodontol., 27, pp. 325-332; 
Sim{\~o}es, R., Fonseca, L., Vasconcelos, M., Afonso, A., Cavalheiro, J., Modified exoskeleton of shrimp for guided bone regeneration (2002) 17 th ESB, , Barcelona, Spain, September
},
	month = {2004///},
	pages = {1091 - 1094},
	address = {Porto},
	abstract = {Guided bone regeneration can be achieved using filling biomaterials and protective membranes. The aim of this work is to study a new membrane prepared from shrimp shells, without modification of the natural concave shape. The "in vitro" bioactivity was evaluated using a simulated body fluid prepared with substitution of calcium by strontium (SBR-Sr). The bioactivity behaviour was increased using a surface treatment with sodium silicate. The "in vitro" and "in vivo" tests allow to conclude that these membranes are bioactive and can induce bone growth on their surfaces.},
	keywords = {Biological membranes, biomaterial, Biomaterials, Bone, Bone Regeneration, Calcium, Ceramic materials, Deproteinization, Membrane, Mineralised membranes, Natural material, Optical microscopy, Shear strength, Sodium compounds, Strontium, Substitution reactions},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0348145956\&partnerID=40\&md5=51d6fa431f03c745e2def45321a0dfa0},
	author = {Mesquita, P. and Branco, R. and Afonso, A. and Vasconcelos, M. and Cavalheiro, J.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2492,
	title = {New Method for the Incorporation of Soluble Bioactive Glasses to Reinforce Porous HA Structures},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 3Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Dept. of Ceramic Engineering, University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: De Groot, K., (1983) Bioceramics of Calcium Phosphates, , CRC Press, Boca Raton, FL;Wilson, L.L., Hench, J., (1993) An Introduction to Bioceramics, , World Scientific, UK; 
Hench, L.L., (1998) J. Am. Ceram. Soc., 81, p. 1075; 
Kohri, M., Miki, K., Waite, D.E., Nakajima, H., Okabe, T., (1993) Biomaterials, 14, p. 299; 
Krivak, N., Tas, A.C., (1998) J. Am. Ceram. Soc., 81, p. 2245; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., (1994) Biomaterials, 15, p. 5; 
Lopes, M.A., Knowles, J.C., Santos, J.D., Monteiro, F.J., Olsen, I., (1998) J. Biomed. Mater. Res., 41, p. 649; 
Lemos, A.F., Santos, J.D., Ferreira, J.M.F., (2003) Advanced Materials Forum
},
	month = {2004///},
	pages = {1033 - 1036},
	address = {Porto},
	abstract = {The most widely used calcium-phosphate ceramic in clinical applications is hydroxyapatite, Ca                        10(PO
                        4)
                        6(OH)
                        2, however its dissolution rate in the human body after implantation is too low to achieve good results and it has poor mechanical properties. Recently, glass reinforced hydroxyapatite composites (GR-HA) have been developed, in order to improve the mechanical properties and to increase the similarity between implants and bone. The addition of a P
                        2O
                        5 based glass to a hydroxyapatite matrix, promotes the liquid phase sintering, improving the mechanical properties of the final bodies, and enabling the formation of two other calcium-phosphate phases, which have a higher dissolution rate, more compatible with bone regeneration. However, some of these glass compositions are soluble in water, making their incorporation in aqueous slurry impossible. Therefore, the aim of the present work is to study a new alternative method for the incorporation of soluble P
                        2O
                        5 based glass into macroporous structures obtained by different methods.
},
	keywords = {Bioactivation, Bioactive glass, Biocompatibility, Bone, Dissolution, glass, hydroxyapatite, Liquid phase sintering, Macroporous structures, Microstructure, Porous materials, Reinforced hydroxyapatite, Sintering, Slurries},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0348145989\&partnerID=40\&md5=18598c198e7e03dbf785151b7033c392},
	author = {Lemos, A.F. and Santos, J.D. and Ferreira, J.M.F.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2497,
	title = {Porous Hydroxyapatite and Glass Reinforced Hydroxyapatite for Controlled Release of Sodium Ampicillin},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Queiroz, A.C.; Inst. de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: aqueiroz@ineb.up.ptReferences: Krejci, C.B., Bissada, N.F., Farah, C., Greenwell, H., (1987) J Periodontol, 58, pp. 521-528;Seymour, R.A., Heasman, P.A., MacGregor, I.D.M., The pathogenesis of periodontal disease (1992) Drugs, Diseases, and the Periodontium, pp. 1-10. , MacGregor IDM, editor. Oxford: Oxford University Press; 
Steinberg, D., Friedman, M., Soskolne, A., Sela, M.N., (1990) J Periodontol, 61, pp. 393-398; 
Santos, J.D., Silva, P.L., Knowles, J.C., Talal, S., Monteiro, F.J., (1996) J Mater Sci: Mater Med, 7, pp. 187-189; 
Ferraz, M.P., Monteiro, F.J., Santos, J.D., (1999) J Biomed Mat Res, 45, pp. 376-383; 
Queiroz, A.C., Teixeira, S., Santos, J.D., Monteiro, F.J., Key Engineering Materials, , submitted; 
Nishihara, K., (1993) Clin Materials, 12, pp. 159-167; 
Queiroz, A.C., Santos, J.D., Monteiro, F.J., Gibson, I.R., Knowles, J.C., (2001) Biomaterials, 22, pp. 1393-1400
},
	month = {2004///},
	pages = {997 - 1000},
	address = {Porto},
	abstract = {Porous hydroxyapatite (HA) and glass reinforced hydroxyapatite (GRHA) with adequate macro and microporous structure were developed, aiming at being used as drug delivery carrier of antibiotics, for the in situ treatment of periodontitis. Materials were characterised by XRD and FTIR, presenting no changes from similar dense materials. Mercury intrusion porosimetry revealed micropores of less than 1 μm, accounting for 15\% of the total porosity. Compression tests have shown close values for HA and GRHA, with the former showing slightly higher values of strength. Ampicillin adsorption was more effective on porous than on dense HA, and was similar for HA and GRHA.},
	keywords = {Adsorption, Antibiotics, Coatings, Dense materials, Diseases, Drug delivery, Drug dosage, Fourier transform infrared spectroscopy, glass, Glass reinforced hydroxyapatite, hydroxyapatite, Mercury (metal), Porous, Porous materials, Scanning electron microscopy, Sodium, Strength of materials, Ultraviolet spectroscopy, X ray diffraction analysis},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347516111\&partnerID=40\&md5=a85b6393d2a4a2d3ee4b384bf4c3de78},
	author = {Queiroz, A.C. and Teixeira, S. and Santos, J.D. and Monteiro, F.J.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2490,
	title = {Preparation and Characterization of Calcium Phosphate Nanoparticles},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Manuel, C.M.; Inst. de Engenharia Biom{\'e}dica, Lab. de Biomaterials, Universidade do Porto, Rua do Campo Alegre, 823, 4150 -180 Porto, Portugal; email: cmmanuel@fe.up.ptReferences: Manuel, C.M., Ferraz, M.P., Monteiro, F.J., (2003) Key Engineering Materials, pp. 240-242;Jarcho, M., Bolen, C.H., Thomas, M.B., Bobick, J., Doremus, R.H., (1976) J Mat Sci, pp. 2027-2035; 
Jarcho, M., Salsbury, R.L., Thomas, M.B., Doremus, R.H., (1979) J Mat Sci, pp. 142-150; 
Puleo, D.A., Holleran, L.A., Doremus, R.H., Bizios, R., (1991) J Biomed Mat Res, 25, pp. 711-723; 
Fowler, B.O., Moreno, E.C., Brown, W.E., (1966) Arch. Oral Biol., 11, pp. 477-492
},
	month = {2004///},
	pages = {903 - 906},
	address = {Porto},
	abstract = {In this work, CaP nanoparticles were prepared by wet chemical precipitation using three different approaches and were characterised and quantified in terms of their composition. Different precipitating, ageing and drying temperatures were applied and affected HA to TCP ratio. Sintering induced formation of large agglomerates and affected the relative composition, specifically, increased concentrations of TCP as proved by SEM, FTIR and XRD. Different reactants also affected chemical final product composition. Contacts with fibroblasts and osteoblasts revealed better adhesion to sintered substrates.},
	keywords = {Agglomeration, Bioceramics, Biocompatibility, Bone, Calcium Compounds, Cell culture, Cytocompatibility, Fourier transform infrared spectroscopy, hydroxyapatite, nanoparticles, Nanostructured materials, orthopedics, Precipitation (chemical), Scanning electron microscopy, Synthesis (chemical), Tricalcium phosphate, Wet chemical precipitation, X ray diffraction analysis},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346885495\&partnerID=40\&md5=a9f5b3807570c06984809bcb048ffc33},
	author = {Manuel, C.M. and Foster, M. and Monteiro, F.J. and Ferraz, M.P. and Doremus, R.H. and Bizios, R.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2477,
	title = {Production of porous hydroxyapatite with potential for controlled drug delivery},
	series = {Materials Science ForumMater Sci Forum},
	volume = {455-456},
	year = {2004},
	note = {Conference code: 63332Cited By (since 1996): 7Export Date: 21 November 2012Source: ScopusCODEN: MSFOELanguage of Original Document: EnglishCorrespondence Address: Queiroz, A.C.; INEB, Inst. de Engenharia Biom{\'e}dica, R do Campo Alegre, 823, 4150-180 Porto, Portugal; email: aqueiroz@ineb.up.ptReferences: Krejci, C.B., Bissada, N.F., Farah, C., Greenwell, H., (1987) J. Periodontology, 58, p. 521;Seymour, R.A., Heasman, P.A., MacGregor, I.D.M., The pathogenesis of periodontal disease (1992) Drugs, Diseases, and the Periodontium, , Oxford University Press; 
(1996) Journal of Periodontology, 67, p. 831; 
Soskolne, W.A., Heasman, H.A., Stabholz, A., Smart, G.J., Palmer, M., Flashner, M., Newman, H.N., (1997) Journal of Periodontology, 68, p. 32; 
Da Silva, M.H.P., Lemos, A.F., Gibson, I.R., Ferreira, J.M.F., Santos, J.D., (2002) J. of Non-crystaline Solids, 304, p. 286; 
Chang, B., Lee, C., Hong, K., Youn, H., Ryu, H., Chung, S., Park, K., (2000) Biomat., 21, p. 1291; 
Ewers, R., Simons, B., (1992) Biomaterials - Hard Tissue Repair and Replacement, , Elsevier Sc; 
Ohgushi, H., Okumura, M., Yoshikawa, T., Inoue, K., Senpuku, N., Tamai, S., Shors, E.C., (1992) Journal of Biomedical Materials Research, 26, p. 885; 
Barinov, S.M., Baschenko, Y.V., (1992) Bioceramics and the Human Body, , Elsevier Sc; 
Hing, K.A., Best, S.M., Tanner, K.E., Bonfield, W., Revell, P.A., (1997) J. Mater. Sc.: Materials in Medicine, 8, p. 731; 
Queiroz, A.C., Teixeira, S., Santos, J.D., Monteiro, F.J., (2003) Bioceramics, , accepted for; 
Santos, J.D., Monteiro, F.J., Gibson, I.R., Knowles, J.C., (2001) Biomaterial, 22, p. 1393
},
	month = {2004///},
	pages = {358 - 360},
	address = {Caparica},
	abstract = {Porous hydroxyapatite was prepared in order to be used as a drug carrier and promote bone ingrowth. For this purpose, the microstructure should have interconnective pores and micro as well as macro porosity, for bone cell adhesion and bone ingrowth. The porous hydroxyapatite prepared by the burn-out method exhibits all these features. For measuring porosity, SEM analysis, mercury intrusion porosimetry and BET were used. FT-IR and XRD analysis revealed that only hydroxyapatite phase was present, being this result similar to the one found for dense samples. The morphology obtained appears to be well adapted to bone growth and drug adsorption.},
	keywords = {Adsorption, Antibiotics, Bioceramics, Controlled drug delivery, Drug Carriers, Drug delivery, Fourier transform infrared spectroscopy, hydroxyapatite, morphology, Polyurethanes, porosity, Porous, Porous materials, Scanning electron microscopy, X ray diffraction analysis},
	isbn = {02555476 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-17044442244\&partnerID=40\&md5=7baa6f22534360d57deb7862546fb275},
	author = {Queiroz, A.C. and Teixeira, S. and Santos, J.D. and Monteiro, F.J.},
	editor = {Martins R. and Fortunato E. and Ferreira I. and Dias C.}
}
@book {2476,
	title = {Protein adsorption effect on in vitro acellular biodegradation of CaO-P                    2O
                    5 glass ceramics
},
	series = {Materials Science ForumMater Sci Forum},
	volume = {455-456},
	year = {2004},
	note = {Conference code: 63332Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: MSFOELanguage of Original Document: EnglishCorrespondence Address: Santos, J.D.; Inst. de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: jdsantos@fe.up.ptReferences: Zeng, Chittur, K.K., Lacefield, W.R., (1999) Biomaterials, 20, p. 377;Ohta, Monna, H., Takahashi, S., (2001) J. Biomed. Mater. Res., 55, p. 409; 
Zyman, Z., Dedukh, N.V., Glusko, V.I., Shcherbyna, S.V., (2002) 17 th European Society for Biomaterials Conference Proceedings, , Barcelona; 
Krajewski, Malavoti, R., Piancatelli, A., (1996) Biomaterials, 17, p. 53; 
El-Ghannam, Ducheyne, P., Shapiro, I.M., (1997) Biomaterials, 18 (4); 
Takami, (1998) J. Biomed. Mater. Res., 40, p. 24; 
Puleo, A., Bizios, R., (1992) J. Biomed. Mater. Res., 26, p. 291; 
Dubois, C., Souchier, C., Couble, M.L., Exbrayat, P., Lissac, M., (1999) Biomat., 20, p. 1841; 
Green, J., Davies, M.C., Roberts, C.J., Tendler, S.J.B., (1997) Biomaterials, 18, p. 405; 
Haynes, C.A., Norde, W., (1994) Colloids and Surfaces B: Biointerfaces, 2, p. 517; 
Dias, G., Lopes, M.A., Gibson, I.R., Santos, J.D., (2002) 17 th Europ. Soc. for Biomat. Conf. Proc., , Barcelona; 
Chun, Na, S.W., Lee, J.H., Chung, J.P., Ryu, I.C., Kim, S.Y., (2002) Key Eng. Mat., 218-220, p. 149
},
	month = {2004///},
	pages = {398 - 401},
	address = {Caparica},
	abstract = {This work reports the in vitro accelular behaviour of a glass ceramic (45P                        2O
                        5-45CaO-5MgO-5K
                        2O), which has significant potential for being used as an alloplastic bone graft. Experiments were carried out by immersing granule samples for a period up to 90 days in Trisbuffer solution at pH 7.4, in the presence and absence of a foetal bovine serum (FBS). The release of calcium, phosphorus, and potassium ions as well as the amount of protein adsorbed was followed by several techniques. The results obtained seem to indicate that the adsorption of proteins on the surface of the material, although causing an initial delay in the degradation, does not hamper the ionic exchange and therefore it is not a barrier for the degradation of the glass ceramic.
},
	keywords = {Adsorption, Bioceramics, Biodegradation, Calcium Compounds, Foetal bovine serum (FBS), Glass ceramics, Hard tissue, Ion exchange, Ionic strength, pH effects, Protein adhesion, Proteins, Tissue},
	isbn = {02555476 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-3142740181\&partnerID=40\&md5=5452672cf92db3be0d9f232ce3b1a83e},
	author = {Dias, A.G. and Lopes, M.A. and Santos, J.D.},
	editor = {Martins R. and Fortunato E. and Ferreira I. and Dias C.}
}
@book {2496,
	title = {Study of a Silicate Cement for Dental Applications},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Pereira, S.; Fac. de Medicina Dent{\'a}ria, Universidade do Porto, R. Dr. Manuel Pereira da Silva, 4200-393 Porto, PortugalReferences: Craig, R.G., Rovers, J.M., (2002) Restorative Dental Materials. 9th Ed., pp. 593-627. , St Louis: Mosby;Gladwin, M., Bagby, M., (2000) Clinical Aspects of Dental Materials. First Edition, pp. 81-92. , Philadelphia: Lippincott Williams \& Wilkins; 
Leinfelder, K.F., Changing Restorative Traditions: The Use of Bases and Liners (1994) JADA, 125, pp. 65-67; 
Macchi, R.L., (2000) Mat. Dentales. 3 a Ed., pp. 129-135. , Buenos Aires: Edit. M{\'e}dica P.americana S.A; 
Wise, D.L., (1995) Encyclopedic Handbook of Biomaterials and Bioengineering, pp. 1398-1411. , New York: Marcel Dekver; 
Gordan, V.V., Mj{\"o}r, I.A., Hucke, R.D., Smith, G.E., Effect of Different Liner Treatments on Postoperative Sensivity of Amalgam Restorations (1999) Quintessence Int, 30, pp. 55-59; 
Me, M., Nakai, H., Effect of Immersion in Water on Linear Expansion and Strength of Three Base/Liner Materials (1995) Dent Mater, 14, pp. 70-77; 
Leevailoj, C., Cochran, M.A., Matis, B.A., Moore, B.K., Platt, J.A., Microleakage of Posterior Packable Resin Composites with and without Flowable Liners (2001) Oper Dent, 26, pp. 302-307; 
Weiner, R.S., Weiner, L.K., Kugel, G., Teaching the Use of Bases and Liners: A Survey of the North American Dental Schools (1996) JADA, 127, pp. 1640-1645; 
Pereira, S., Branco, R., Cavalheiro, J., Afonso, A., Vasconcelos, M., (2003) Sealing Ability of a New Dental Base Material, , Bioeng; 
(1991) Specification for Dental Water-based Cements, , ISO 9917 (F)
},
	month = {2004///},
	pages = {659 - 662},
	address = {Porto},
	abstract = {Dental cements have a wide field of applications in clinical practice. The use as a base material is a very important one in dentistry. The aim of this study is to assess some relevant properties of a silicate cement (SC) developed for dental applications, comparing it with two other cements already commercialised, a zinc phosphate cement De Trey Zinc Cement Improved{\textregistered} (DT) and ProRootMTA{\textregistered}(MTA). Their compressive strength, dimensional changes and weight variation in water after setting, according to ISO standards were compared. The mean compressive strength of DT, MTA and SC were, respectively, 134MPa, 31MPa and 46MPa. There were no statistically significant differences for the three tested cements at the various time intervals, in respect to their weight variation or dimensional changes. However, there was a little loss of weight for DT (0.15\%) and for MTA (3\%) and a gain of 3\% for the SC. Regarding the dimensional changes, all materials undergo little expansion, more significant in the MTA and in the SC samples of 2,07\% and 0,4\%, respectively. The new Silicate Cement, presented enough compressive strength, low weight variation, very small dimensional changes and good adaptation to the surface of dental cavity. For these reasons this new cement could be a valuable proposal as a base material for dental applications.},
	keywords = {Biocompatibility, Body fluids, Ceramic materials, ceramics, Compressive Strength, Dental cement, Dental cements, Dental prostheses, Dimensional stability, Precipitation (chemical), Scanning electron microscopy, Silicate cements, Silicates, Stainless steel, Weight variation},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0346255102\&partnerID=40\&md5=b43c6052d3f4c9fcaff59b75a9cad543},
	author = {Pereira, S. and Cavalheiro, J. and Branco, R. and Afonso, A. and Vasconcelos, M.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@book {2498,
	title = {The Valences of Egg White for Designing Smart Porous Bloceramics: As Foaming and Consolidation Agent},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {254-256},
	year = {2004},
	note = {Conference code: 62053Cited By (since 1996): 3Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Lemos, A.F.; Ceramic Engineering Department, Campus de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; email: ilemos@cv.ua.ptReferences: De Groot, K., (1980) Biomaterials, 1, p. 47;Ohgushi, H., Okumura, M., Yoshikawa, T., Inoue, K., Senpuku, N., Tamai, S., Shors, E.C., (1992) J. Biomed. Mater. Res., 26, p. 885; 
Omatete, O., Janney, M.A., Strehlow, R.A., (1991) Am. Ceram Soc.Bull., 70, p. 1641; 
Kosmac, T., Novak, S., Sajko, M., (1995) Fourth Euro Ceramics Vol. 1, Basic Science: Developments, 1. , ed. C. Galassi. Gruppo Editoriale Faenza Editrice S.p.a., Italy; 
Graule, T.J., Baader, F.H., Gauckler, L.J., (1994) Cfi/Ber. DKH., 71, p. 317; 
Novich, B.E., Sundback, C.A., Adams, R.W., (1992) Ceramic Transactions, 26. , ed. M. J. Cima. American Ceramic Society, USA; 
Lycfeldt, O., Ferreira, J.M.F., (1998) J. Eur. Ceram. Soc., 18, p. 131; 
Rives, R.D., U. S. Patent 4113480 (1976)Lycfeldt, O., Brandt, J., Lesca, S., (2000) J. Eur. Ceram. Soc., 20 (14-15), p. 2551; 
Olhero, S.M., Tar{\`\i}, G., Coimbra, M.A., Ferreira, J.M.F., (2000) J. Europ. Ceram. Soc., 20 (4), p. 423; 
Dhara, S., Bhargava, P., (2001) J. Am. Ceram. Soc., 84 (12), p. 3048; 
Janney, M.A., Omatete, O., Walls, C., Nunn, S., Ogle, R., Westmoreland, G., (1998) J. Am. Ceram. Soc., 81 (3), p. 581; 
Lumry, R., Eyring, H., (1954) J. Phys. Chem., 58, p. 110; 
Lemos, A.F., Santos, J.D., Ferreira, J.M.F., (2003) Advanced Materials Forum
},
	month = {2004///},
	pages = {1045 - 1048},
	address = {Porto},
	abstract = {Porous hydroxyapatite bioceramics were developed by a new direct consolidation method based on the foaming capability of egg white and on its gelling properties on heating, thus acting both as pore former and consolidator agent. The bubble forming capability of fresh egg white, due to the presence of a globular protein - albumen, allows the formation of a stable foam when added to a ceramic suspension. Adding a sufficient amount of the globular protein to the suspension revealed to be crucial to control either the pore volume fraction as well as the gelling behaviour and the rigidity of the green bodies. This consolidation method can be performed in nonporous moulds, enabling materials with controlled porosity to be obtained by varying the egg white content in the slip composition. After drying, burnout and sintering, materials with ultimate porosities close to 75 \% were obtained.},
	keywords = {Bioceramics, Biodegradation, Bone-grafting, Ceramic materials, Consolidation technique, Consolidation techniques, Egg-white, heating, hydroxyapatite, morphology, Pore size, porosity, Porous ceramics, Porous materials, Proteins, Slurries, Solidification},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347516109\&partnerID=40\&md5=e6413ccdd076de29b881e380890e42ac},
	author = {Lemos, A.F. and Ferreira, J.M.F.},
	editor = {Barbosa M.A. and Monteiro F.J. and Correia R. and Leon B.}
}
@article {2512,
	title = {Albumin adsorption on alkanethiols self-assembled monolayers on gold electrodes studied by chronopotentiometry},
	journal = {BiomaterialsBiomaterials},
	volume = {24},
	year = {2003},
	note = {Cited By (since 1996): 31Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/S0142-9612(03)00244-8PubMed ID: 12818541Language of Original Document: EnglishCorrespondence Address: Martins, M.C.L.; INEB - Inst. de Engenharia Biomed., Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: cmartins@ibmc.up.ptChemicals/CAS: gold, 7440-57-5; thiol derivative, 13940-21-1; water, 7732-18-5; Albumins; Alkanes; Biocompatible Materials; Gold, 7440-57-5; Serum Albumin; Sulfhydryl CompoundsReferences: Ratner, B.D., Hoffman, A.S., Schoen, F.J., Lemons, J.L., (1996) Biomaterials science - an introduction to materials in medicine, , San Diego, CA, USA: Academic Press;Nakanishi, K., Sakiyama, T., Imamura, K., On the adsorption of proteins on solid surfaces, a common but very complicated phenomenon (2001) J Biosci Bioeng, 91, pp. 233-244; 
Mrksich, M., Whitesides, G.M., Using self-assembled monolayers to understand the interactions of man-made surfaces with proteins and cells (1996) Annu Rev Biophys Biomol Struct, 25, pp. 55-78; 
Sigal, G.B., Mrksich, M., Whitesides, G.M., Effect of surface wettability on the adsorption of proteins and detergents (1998) J Am Chem Soc, 120, pp. 3464-3473; 
Taborelli, M., Eng, L., Descouts, P., Ranieri, J.P., Bellamkonda, R., Aebisher, P., Bovine serum albumin conformation on methyl and amine functionalized surfaces compared by scanning force microscopy (1995) J Biomed Mater Res, 29, pp. 707-714; 
Silin, V., Weetall, H., Vanderah, D., SPR studies of the nonspecific adsorption kinetics of human IgG and BSA on gold surfaces modified by self-assembled monolayers (SAMs) (1997) J Colloid Interface Sci, 185, pp. 94-103; 
Margel, S., Vogler, E.A., Firment, L., Watt, T., Haynie, S., Sogah, D.Y., Peptide, protein, and cellular interactions with self-assembled monolayer model surfaces (1993) J Biomed Mater Res, 27, pp. 1463-1476; 
Wadu-Mesthrige, K., Amro, N.A., Liu, G., Immobilization of proteins on self-assembled monolayers (2000) Scanning, 22, pp. 380-388; 
Takahara, A., Hara, Y., Kojio, K., Kajiyama, T., Plasma protein adsorption behaviour onto the surface of phase-separated organosilane monolayers on the basis of scanning force microscopy (2002) Colloids Surf B: Biointerfaces, 23, pp. 141-152; 
Kalltorp, M., Carl{\'e}n, A., Thomsen, P., Olsson, J., Tengvall, P., Analysis of rat plasma proteins desorbed from gold and methyl- and hydroxyl-terminated alkane thiols on gold surfaces (2000) J Mater Sci: Mater Med, 11, pp. 191-199; 
Tidwell, C.D., Ertel, S.I., Ratner, B.D., Endothelial cell growth and protein adsorption on terminal functionalized, self-assembled monolayers of alkanethiolates on gold (1997) Langmuir, 13, pp. 3404-3413; 
Bain, C.D., Troughton, E.B., Tao, Y.T., Evall, J., Whitesides, G.M., Nuzzo, R.G., Formation of monolayer films by the spontaneous assembly of organic thiols from solution onto gold (1989) J Am Chem Soc, 111, pp. 321-335; 
Ulman, A., (1991) An introduction to ultrathin organic films: From Langmuir-Blodgett to self-assembled, , San Diego, CA, USA: Academic Press; 
Lin, J., Chuang, W., Synthesis, surface characterization, and platelet reactivity evaluation for the self-assembled monolayer of alkanethiol with sulfonic acid functionlity (2000) J Biomed Mater Res, 51, pp. 413-423; 
Mirsky, V.M., Riepl, M., Wolfbeis, O.S., Capacitive monitoring of protein immobilization and antigen/antibody reactions on monomolecular alkylthiol films on gold electrodes (1997) Biosensors Bioelectron, 12, pp. 977-989; 
Viana, A.S., Jones, A.H., Abrantes, L.M., Kalaji, M., Redox induced orientational changes in a series of short chain ferrocenyl alkyl thiols self-assembled on gold(1 1 1) electrodes (2001) J Electroanal Chem, 500, pp. 290-298; 
Kondo, T., Okamura, M., Uosaki, K., Anion effect on the electrochemical characteristics of a gold electrode modified with a self-assembled monolayer of ferrocenylhexanethiol in aqueous and dichlomethane solutions (2001) J Organometal Chem, 637-639, pp. 841-844; 
Dong, S., Li, J., Self-assembled monolayers of thiols on gold electrodes for bioelectrochemistry and biosensors (1997) Bioelectrochem Bioenergetics, 42, pp. 7-14; 
Gooding, J.J., Hibbert, D.B., The application of alkanethiol self-assembled monolayers to enzyme electrodes (1999) Trends Anal Chem, 18, pp. 525-533; 
Spangler, B.D., Tyler, B.J., Capture agents for quartz crystal microbalance-continuous flow biosensor: Functionalized self-assembled monolayers on gold (1999) Anal Chem Acta, 399, pp. 51-62; 
Tegoulia, V.A., Cooper, S.L., Leukocyte adhesion on model surfaces under flow: Effects of surface chemistry, protein adsorption and shear rate (2000) J Biomed Mater Res, 50, pp. 291-301; 
Tengvall, P., Lundstrom, I., Liedberg, B., Protein adsorption studies on model organic surfaces: An ellipsometric and infrared spectroscopic approach (1998) Biomaterials, 19, pp. 407-422; 
Shen, D., Huang, M., Chow, L., Yang, M., Kinetic profile of the adsorption and conformational change of lysozyme on self-assembled monolayers as revealed by quartz crystal resonator (2001) Sensor Actuators B, 77, pp. 664-670; 
Gehanno, V., Freitas, P.P., Veloso, A., Ferreira, J., Almeida, B., Sousa, J.B., Kling, A., Silva, M.F., Ion beam deposition of Mn-Ir spin valves (1999) IEEE Trans Magn, 35, pp. 4361-4367; 
Horbett, T.A., Techniques for protein adsorption studies (1986) Techniques of biocompatibility tests, 2, pp. 183-214. , Williams D.F. Harcover: CRC Press; 
Du, Y.J., Cornelius, R.M., Brash, J.L., Measurement of protein adsorption to gold surface by radioiodination methods: Suppression of free iodide sorption (2000) Colloid Surf B, 17, pp. 59-67; 
Smith, P.K., Krohn, R.I., Hermanson, G.T., Mallia, A.K., Gartner, F.H., Provenzano, M.D., Fujimoto, E.K., Klenk, D.C., Measurement of protein using bicinchoninic acid (1985) Anal Biochem, 150, pp. 756-785; 
Lima, J., Sousa, S.R., Ferreira, A., Barbosa, M.A., Interactions between calcium, phosphate, and albumin on the surface of titanium (2001) J Biomed Mater Res, 55, pp. 45-53; 
(1993) Iodine-125. A Guide to Radioiodination Techniques, p. 64. , Amersham Life Science. Little Chalfort, UK: Amersham International plc; 
Bain, C.D., Evall, J., Whitesides, G.M., Formation of monolayer coadsorption of thiols on gold: Variation in the head group, tail group and solvent (1989) J Am Chem Soc, 111, pp. 7155-7164; 
Castner, D.G., Hinds, K., Grainger, D.W., X-ray photoelectron spectroscopy sulfur 2p study of organic thiol and disulfide binding interactions with gold surfaces (1996) Langmuir, 12, pp. 5083-5086; 
Keller, H., Schrepp, W., Fuchs, H., Self-assembled organic films on gold and silver (1992) Thin Solid Films, 210-211, pp. 799-802; 
Chidsey, C.E.D., Loiacono, D.N., Chemical functionality in self-assembled monolayers: Structural and electrochemical properties (1990) Langmuir, 6, pp. 682-691; 
Porter, M.D., Bright, T.B., Allara, D.L., Chidsey, C.E.D., Spontaneously organized molecular assemblies. 4. Structural characterization of n-alkyl thiol monolayers on gold by optical ellipsometry, infrared spectroscopy and electrochemistry (1987) J Am Chem Soc, 109, pp. 3559-3568; 
Miller, C., Cuendet, P., Gratzel, M., Adsorbed ω-hydroxy thiol monolayers on gold electrodes: Evidence for electron tunneling to redox species in solution (1991) J Phys Chem, 95, pp. 877-886; 
Krysinski, P., Brzostowska-Smolska, M., Capacitance characteristics of self-assembled monolayers on gold electrode (1998) Bioelectrochem Bioenergetics, 44, pp. 163-168; 
Guo, B., Anzai, J., OSA, T., Adsorption behaviour of serum albumin on electrodes surfaces and the effects of electrode potential (1996) Chem Pharm Bull, 44, pp. 800-803; 
Dent, A.H., Aslam, M., Other categories of protein coupling (1998) Bioconjugation, protein coupling techniques for the biomedical sciences, pp. 504-569. , M. Aslam, \& A.H. Dent. London: Macmillan; 
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Norde, W., Giacomelli, C.E., BSA structural changes during homomolecular exchange between the adsorbed and the dissolved states (2000) J Biotechnol, 79, pp. 259-268; 
Peters T., Jr., (1996) All about albumin: Biochemistry, genetics, and medical applications, , San Diego, CA, USA: Academic Press; 
Feng, L., Andrade, J.D., Protein adsorption on low temperature isotropic carbon. III. Isoterms, competitivity, desorption and exchange of albumin and fibrinogen (1994) Biomaterials, 15, pp. 323-333
},
	month = {2003///},
	pages = {3697 - 3706},
	abstract = {Chronopotentiometry was used to study the adsorption of human serum albumin (HSA) to self-assembled monolayers with the following terminal functional groups: CH                        3, COOH and OH. Surfaces were characterized by X-ray photoelectron spectroscopy, water contact angle measurements and cyclic voltammetry. HSA coverage of the different SAMs was investigated by chronopotentiometry and the total amount of adsorbed protein was determined using radiolabelled albumin. Both techniques have demonstrated that HSA adsorption to the different SAM-modified electrodes increases in the following order: OH\&lt;COOH\&lt;CH
                        3-terminated SAMs. A good correlation between coverage and total amount of HSA adsorbed was observed for long adsorption times (900s). {\textcopyright} 2003 Elsevier Science Ltd. All rights reserved.
},
	keywords = {Adsorption, Albumin, Albumin adsorption, Albumins, alkane, Alkanes, article, Biocompatible Materials, biomaterial, Biomaterials, carboxyl group, Chemical modification, Chronopotentiometry, Contact angle, correlation analysis, cyclic potentiometry, Cyclic voltammetry, electrochemistry, electrode, Electron Probe Microanalysis, Functional groups, gold, Humans, hydroxyl group, isotope labeling, methyl group, Monolayers, potentiometry, priority journal, protein analysis, Self assembly, Self-assembled monolayers, Serum Albumin, Sulfhydryl Compounds, Surface modification, Surface Properties, surface property, temperature, thiol derivative, Time Factors, Water, X ray photoelectron spectroscopy},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0038802804\&partnerID=40\&md5=d9b75bc199d3c909e08c53f4de329ce5},
	author = {Martins, M.C.L. and Fonseca, C. and Barbosa, M.A. and Ratner, B.D.}
}
@article {2509,
	title = {Albumin adsorption on Cibacron Blue F3G-A immobilized onto oligo(ethylene glycol)-terminated self-assembled monolayers},
	journal = {Journal of Materials Science: Materials in MedicineJ. Mater. Sci. Mater. Med.},
	volume = {14},
	year = {2003},
	note = {Cited By (since 1996): 20Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1023/A:1026394431100Language of Original Document: EnglishCorrespondence Address: Martins, Ma.C.L.; INEB - Inst. de Engenharia Biomedica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: cmartins@ibmc.up.ptChemicals/CAS: cibacron blue f3ga, 12236-82-7, 53127-08-5; ethylene glycol, 107-21-1; fibrinogen, 9001-32-5; gold, 7440-57-5; human serum albumin, 9048-49-1; iodine 125, 14158-31-7, 22822-81-7; macrogol, 25322-68-3; thiol derivative, 13940-21-1; water, 7732-18-5References: Ratner, B.D., (1996) J. Mol. Recognit., 9, p. 617;Kottke-Marchant, K., Anderson, J.M., Umemura, Y., Marchant, R.E., (1998) Biomaterials, 10, p. 147; 
Dequeiroz, A.A.A., Barrak, E.R., Gil, H.A.C., Higa, O.Z., (1997) J. Biomater. Sci. Polym. Ed., 8, p. 667; 
Kamath, K.R., Park, K., (1994) J. Appl. Biomater., 5, p. 163; 
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Ji, J., Feng, L., Barbosa, M.A., (2001) Biomaterials, 22, p. 3015; 
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Wang, D., Chen, B., Ji, J., Feng, L., (2002) Bioconjugate Chem., 13, p. 792; 
Ji, J., Barbosa, M.A., Feng, L., Shen, J., (2002) J. Mat. Sci. Mat. Med., 13, p. 677; 
Mcfarland, C.D., Jenkins, M., Griesser, H.J., Chatelier, R.C., Steele, J.G., Underwood, P.A., (1998) J. Biomater. Sci. Polym. Ed., 9, p. 1207; 
Mcfarland, C.D., Filippis, C.D., Jenkins, M., Tunstell, A., Rhodes, N.P., Williams, D.F., Steele, J.G., (1998) J. Biomater. Sci. Polym. Ed., 9, p. 1277; 
Kopperschlager, G., Bohme, H.J., Hofmann, E., (1982) Adv. Biochem. Eng., 25, p. 101; 
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Leatherbarrow, R.L., Dean, P.D.G., (1980) Biochem. J., 189, p. 27; 
Martins, M.C.L., Wang, D., Ji, J., Feng, L., Barbosa, M.A., (2003) J. Biomater. Sci. Polym. Ed., 14, p. 439; 
Dockal, M., Carter, D.C., Ruker, F., (1999) J. Biol. Chem., 274, p. 29303; 
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},
	month = {2003///},
	pages = {945 - 954},
	abstract = {Self-assembled monolayers can be tailored with specific ligands to a certain protein and at the same time prevent the non-specific adsorption of other proteins. Cibacron Blue F3G-A (CB-thiol) was successfully immobilized onto tetra(ethylene glycol)-terminated alkanethiol (CB-thiol). The affinity of human serum albumin (HSA) to immobilized Cibacron Blue F3G-A was studied using mixed thiolate self-assembled monolayers on gold with different n-alkyl chain lengths and functional terminal groups (CH                        3-; OH- and tetra(ethylene glycol)). Surfaces were characterized using X-ray photoelectron spectroscopy and water contact angle measurements. Albumin adsorption and exchangeability of the adsorbed albumin molecules with other albumin molecules in solution were evaluated using 
                        125I-radiolabeled HSA. Competitive adsorption between albumin and fibrinogen to the different self-assembled monolayers (SAMs) was also investigated. Results showed that the incorporation of CB-thiol on the monolayers does not increase the HSA adsorption and reversibility on the SAMs. However, although specific adsorption of HSA to the immobilized Cibacron Blue F3G-A was not demonstrated, the presence of CB-thiol decreases the affinity of fibrinogen to the OH-terminated SAMs. {\textcopyright} 2003 Kluwer Academic Publishers.
},
	keywords = {Adsorption, Albumin, aqueous solution, article, Cell immobilization, cibacron blue f3ga, Contact angle, controlled study, Drug products, Ethylene Glycol, fibrinogen, functional group, Glycols, gold, human, human serum albumin, iodine 125, isotope labeling, ligand, macrogol, molecule, priority journal, protein assembly, protein binding, protein immobilization, protein structure, Proteins, radioassay, Self assembly, surface property, synthesis, tetra(ethylene glycol) undecanethiol, thiol, thiol derivative, unclassified drug, Water, X ray photoelectron spectroscopy},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0344629191\&partnerID=40\&md5=6ebb3020ea2ade3febc3906ce0672cc1},
	author = {Martins, Ma.C.L. and Naeemi, E. and Ratner, B.D. and Barbosa, M.A.}
}
@article {2510,
	title = {Protein adsorption on mixtures of hydroxyl- and methyl-terminated alkanethiols self-assembled monolayers},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {67},
	year = {2003},
	note = {Cited By (since 1996): 63Export Date: 21 November 2012Source: ScopusCODEN: JBMRCPubMed ID: 14517873Language of Original Document: EnglishCorrespondence Address: Martins, M.C.L.; INEB-Inst. de Engenharia Biomedica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: cmartins@ibmc.up.ptChemicals/CAS: human serum albumin, 9048-49-1; thiol derivative, 13940-21-1; Biocompatible Materials; Gold, 7440-57-5; Proteins; Sulfhydryl CompoundsReferences: Ratner, B.D., Hoffman, A.S., Schoen, F.J., Lemons, J.L., (1996) Biomaterials Science - An Introduction to Materials in Medicine, , San Diego, CA: Academic;Kottke-Marchant, K., Anderson, J.M., Umemura, Y., Marchant, R.E., Effect of albumin coating on the in vitro blood compatibility of Dacron arterial prostheses (1989) Biomaterials, 10, pp. 147-155; 
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},
	month = {2003///},
	pages = {158 - 171},
	abstract = {The effect of surface composition and wettability on the adsorption of human serum albumin (HSA) was studied. Self-assembled monolayers (SAMs) containing mixtures of longer chain methyl- and shorter chain hydroxyl-terminated alkanethiols on gold were used to produce a range of surfaces with different wettabilities and exposed functional groups. Different SAMs were characterized by X-ray photoelectron spectroscopy, water contact angles, and Fourier transform infrared reflection absorption spectroscopy (IRAS). HSA adsorption onto the different SAMs was evaluated by contact angle measurements (wetting tension determinations), radiolabeling of proteins, and IRAS. Concerning HSA adsorption, all the techniques demonstrated higher HSA adsorption on more hydrophobic surfaces. The wetting tension measurements and IRAS suggested a gradual decrease of the HSA adsorption with increases of surface hydrophilicity. Radiolabeled albumin measurements also demonstrated a significant decrease of HSA adsorption on the pure hydroxyl-terminated SAMs. However, no significant differences were detected between mixed and pure methyl-terminated SAMs. Studies of HSA exchangeability with human fibrinogen have suggested that an ideal percentage of hydroxyl groups on the surface may increase albumin affinity without fibrinogen adsorption. {\textcopyright} 2003 Wiley Periodicals, Inc.},
	keywords = {Absorption spectroscopy, Adsorption, article, Biocompatible Materials, Contact angle, Contact angles, fourier transform infrared reflection absorption spectroscopy, Fourier transform infrared spectroscopy, Functional groups, gold, human serum albumin, hydrophilicity, hydrophobicity, IRAS, isotope labeling, measurement, Mixtures, monolayer culture, Monolayers, Protein adsorption, Proteins, Self-assembled monolayers, Spectrum Analysis, Sulfhydryl Compounds, surface property, tension, thiol derivative, Time Factors, wettability, X ray photoelectron spectroscopy, XPS},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0344306504\&partnerID=40\&md5=cc1823cda1406a9f9572da09315251f7},
	author = {Martins, M.C.L. and Ratner, B.D. and Barbosa, M.A.}
}
@article {2532,
	title = {Electrochemical and microstructural studies of tantalum and its oxide films for biomedical applications in endovascular surgery},
	journal = {Journal of Materials Science: Materials in MedicineJ. Mater. Sci. Mater. Med.},
	volume = {13},
	year = {2002},
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},
	month = {2002///},
	pages = {495 - 500},
	abstract = {The most popular coronary stents are made of 316L stainless steel and self-expandable Nitinol. Nevertheless, Ta has already been used to make stents for endovascular surgery and may constitute a good alternative to the other materials because of its higher corrosion resistance and radio-opacity property, which may facilitate the follow-up of stent catheterization. The characterization of Ta and its natural passive oxide films has been performed in a 0.15M NaCl solution (simulated body fluid - SBF) using anodic polarizations, electrochemical impedance spectroscopy and photoelectrochemical techniques. Changes in microstructure have been observed by atomic force microscopy (AFM). Polarization curves show the existence of a current density increase between 1.40 and 1.80V. Bode complex plots show that some perturbation of the film occurred in this potential interval which may be associated with a decrease in polarization resistance, Rp, indicating that the film may be less resistant to corrosive attack. Mott-Schottky capacity measurements show that the density of donors, Nd, varies with polarization. The optical band gap, E                        g, which is equal to 4.1 eV did not show variations in our experiments. The localized formation on the electrode surface, in the above potential interval of a Ta compound (possibly an oxide-hydroxide) was observed by AFM, and this may explain the appearance of the current density peak and capacity behavior at those potentials. {\textcopyright} 2002 Kluwer Academic Publishers.
},
	keywords = {article, Atomic force microscopy, body fluid, coronary stent, Corrosion, Corrosion resistance, Current density, Electric Potential, electrochemical analysis, Electrochemical impedance spectroscopy, electrochemistry, electrode, endovascular surgery, Energy gap, film, heart catheterization, hydroxide, Materials science, metal oxide, Metallic films, Microstructure, nitinol, optical density, Oxide films, Polarization, priority journal, simulation, sodium chloride, Stainless steel, structure analysis, Surgery, Tantalum, Tantalum compounds, tantalum oxide, unclassified drug},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0036242480\&partnerID=40\&md5=bef47948fb9a8f09f8ea9f6c56db672e},
	author = {Silva, R.A. and Walls, M. and Rondot, B. and Da Cunha Belo, M. and Guidoin, R.}
}
@article {2527,
	title = {Soluble silk-like organic matrix in the nacreous layer of the bivalve Pinctada maxima: A new insight in the biomineralization field},
	journal = {European Journal of BiochemistryEur. J. Biochem.},
	volume = {269},
	year = {2002},
	note = {Cited By (since 1996): 58Export Date: 21 November 2012Source: ScopusCODEN: EJBCAdoi: 10.1046/j.1432-1033.2002.03203.xPubMed ID: 12383258Language of Original Document: EnglishCorrespondence Address: Lopez, E.; Lab. de Physiologie Gen. et Comparee, UMR CNRS 8572, Museum National d{\textquoteright}Histoire Naturelle, 7 rue Cuvier, 75231 Paris Cedex 05, France; email: lopez@mnhn.frChemicals/CAS: Amino Acids; Calcium, 7440-70-2; Edetic Acid, 60-00-4; Extracellular Matrix Proteins; Glycosaminoglycans; Insect Proteins; SilkReferences: Crenshaw, M.A., The soluble matrix from Mercenaria mercenaria shell (1972) Biomineralization, 6, pp. 6-11;Krampitz, G., Engels, J., Cazaux, C., Biochemical studies on water-soluble proteins and related components of gastropod shells (1976) The Mechanisms of Mineralization in the Invertebrates and Plants, pp. 175-190. , Watabe, N. \& Wilbur, K.M., eds. The Barush B.W. Library in Marine Science no. 5, The University of South Carolina Press, Columbia; 
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},
	month = {2002///},
	pages = {4994 - 5003},
	abstract = {Nacre organic matrix has been conventionally classified as both {\textquoteright}water-soluble{\textquoteright} and {\textquoteright}water-insoluble{\textquoteright}, based on its solubility in aqueous solutions after decalcification with acid or EDTA. Some characteristics (aspartic acid-rich, silk-fibroin-like content) were specifically attributed to either one or the other. The comparative study on the technique of extraction (extraction with water alone vs. demineralization with EDTA) presented here, seems to reveal that this generally accepted classification may need to be reconsidered. Actually, the nondecalcified soluble organic matrix, extracted in ultra-pure water, displays many of the characteristics of what until now has been called {\textquoteright}insoluble matrix{\textquoteright}. We present the results obtained on this extract and on a conventional EDTA-soluble matrix, with various characterization methods: fractionation by size-exclusion and anion-exchange HPLC, amino acid analysis, glycosaminoglycan and calcium quantification, SDS/PAGE and FTIR spectroscopy. We propose that the model for the interlamellar matrix sheets of nacre given by Nakahara [In: Biomineralization and Biological Metal Accumulation, Westbroek, P. \& deJong, E.W., eds, (1983) pp. 225-230. Reidel, Dordrecht, Holland] and Weiner and Traub [Phil. Trans. R. Soc. Lond. B (1984) 304, 425-434] may no longer be valid. The most recent model, proposed by Levi-Kalisman et al. [J. Struct. Biol. (2001) 135, 8-17], seemed to be more in accordance with our findings.},
	keywords = {amino acid analysis, Amino acids, Animals, anion exchange chromatography, article, Biochemistry, biomineralization, bivalve, Bivalvia, Calcium, Chemical Fractionation, Chromatography, High Pressure Liquid, controlled study, demineralization, edetic acid, EDTA-soluble matrix, Electrophoresis, Polyacrylamide Gel, Extracellular Matrix Proteins, extraction, fractionation, gel permeation chromatography, glycosaminoglycan, Glycosaminoglycans, High performance liquid chromatography, hydrophobicity, infrared spectroscopy, Insect Proteins, model, Nacre, nonhuman, Ostreidae, Pinctada, Pinctada maxima, polyacrylamide gel electrophoresis, priority journal, Silk, Silk-fibroin-like-proteins, Solubility, Spectroscopy, Fourier Transform Infrared, Undecalcified soluble matrix, Water},
	isbn = {00142956 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0036408881\&partnerID=40\&md5=7e99def46be711f02de5f4dd3dc8f63e},
	author = {Pereira-Mouri{\`e}s, L. and Almeida, M.-J. and Ribeiro, C. and Peduzzi, J. and Barth{\'e}lemy, M. and Milet, C. and Lopez, E.}
}
@article {2550,
	title = {Affinity of hydroxyapatite to metal cations - a study on the composition and structure of phosphates formed in the presence of titanium and aluminum},
	journal = {Key Engineering MaterialsKey Eng Mat},
	volume = {192-195},
	year = {2001},
	note = {Conference code: 57760Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Ribeiro, C.C.; INEB, Porto, PortugalReferences: Andress, D.L., Maloney, N.A., Endres, D.B., Sherrard, D.J., (1986) J. Bone Mineral Res., 1, p. 391;Posner, A.S., Blumenthal, N.C., Boskey, A.L., (1986) Kidney Int., 29, p. 17; 
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},
	month = {2001///},
	pages = {55 - 58},
	publisher = {Trans Tech Publ},
	address = {Bologna, Italy},
	abstract = {The purpose of this study was to contribute to the understanding of the effect of titanium, aluminium and titanium/aluminium on the Hap structure and to investigate if a synergistic effect between the two cations exists. The effect of the metal ion concentration was studied. The solids were analysed by X-ray diffraction, Fourier transform infrared spectroscopy, FT-Raman spectroscopy and energy dispersive X-ray analysis.},
	keywords = {Aluminum, Energy dispersive spectroscopy, Fourier transform infrared spectroscopy, Hap structure, hydroxyapatite, Positive ions, Raman spectroscopy, Structure (composition), Synergistic effect, Titanium, X ray diffraction analysis},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0035147724\&partnerID=40\&md5=519703da8430f82ae6ea9c07670463e7},
	author = {Ribeiro, C.C. and Barbosa, M.A.}
}
@article {2539,
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	year = {2001},
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},
	month = {2001///},
	pages = {785 - 791},
	abstract = {Due to their high water swelling, regenerated cellulose hydrogels and sponges were pre-incubated in a Ca-containing solution, and their mineralization was investigated. Results obtained demonstrate that a simple pre-incubation treatment in a Ca containing solution can induce mineralization in materials with limited or no tendency to mineralize. The minerals formed had an apatitic carbonated and poorly crystalline structure, resembling carbonated hydroxyapatite found in bone mineral. The apatitic layer formed showed a relatively accelerated growth using this technique, exhibiting nodules in their macroscopic structure, which seem to indicate lateral growth. The porous structure of regenerated cellulose sponges was also homogeneously mineralized using this technique. {\textcopyright} 2001 Kluwer Academic Publishers.},
	keywords = {Apatite, article, Bone, bone mineral, Calcification (biochemistry), Calcium, Carbon, Cellulose, crystal, hydrogel, Hydrogels, hydroxyapatite, Incubation, infrared spectroscopy, mineralization, porosity, priority journal, Scanning electron microscopy, surface property, Swelling, Water},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034771780\&partnerID=40\&md5=58fcd227f17f7da6e5e0af69c7351f0a},
	author = {Granja, P.L. and Ribeiro, C.C. and De J{\'e}so, B. and Baquey, C. and Barbosa, M.A.}
}
@article {2552,
	title = {Starch based copolymers as biomaterials in vivo biocompatibility study},
	journal = {Key Engineering MaterialsKey Eng Mat},
	volume = {192-195},
	year = {2001},
	note = {Conference code: 57760Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Souillac, V.; Universite Bordeaux 2, Bordeaux, FranceReferences: Hollinger, J.O., Brekke, J., Gruskin, E., Lee, D., (1996) Clin. Orthop., 324, p. 55;Nizard, R., Bizot, P., Sedel, L., (1996) Encycl. Med. Chir., Orthop{\'e}die-traumatologie, 44 (3). , 20p; 
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},
	month = {2001///},
	pages = {433 - 436},
	publisher = {Trans Tech Publ},
	address = {Bologna, Italy},
	abstract = {This report is a preliminary study of a starch-based copolymer that was used as a bone substitute. The interest of this study was to evaluate the possibility of using a hydrophilic material as a bone substitute. We studied this copolymer alone, after phosphorylation, and after hydroxyapatite coating.},
	keywords = {Biocompatibility, Bone, Bone substitute, Copolymers, Ethanol, Ethylene, hydroxyapatite, Hydroxyapatite coating, Implants (surgical), orthopedics, Phosphates, phosphoric acid, Phosphorylation, Starch, Substitution reactions, Vinyl resins},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0035154394\&partnerID=40\&md5=5d1aeeb7f6cb4dcb467e586e58ba425a},
	author = {Souillac, V. and Fricain, J.C. and Bareille, R. and Reis, R.L. and Chauveaux, D. and Baquey, C.}
}
@article {2553,
	title = {Concept, design and fabrication of smart orthopedic implants},
	journal = {Medical Engineering and PhysicsMed. Eng. Phys.},
	volume = {22},
	year = {2000},
	note = {Cited By (since 1996): 29Export Date: 21 November 2012Source: ScopusCODEN: MEPHEdoi: 10.1016/S1350-4533(00)00062-XPubMed ID: 11165144Language of Original Document: EnglishCorrespondence Address: Burny, F.; Service d{\textquoteright}Orthopedie-Traumatologie, Cliniques Universitaires Bruxelles, H{\^o}pital Erasme, Brussels, Belgium; email: fburny@ulb.ac.beChemicals/CAS: Biocompatible Materials; Ceramics; Metals; Stainless Steel, 12597-68-1References: Burny, F., Donkerwolcke, M., Moulart, F., Clinical application of the monitoring of orthopedic implants (1993), pp. 138-146. , Burny R, Puers F, editors. Monitoring of orthopedic implants. A biomaterials microelectronics - challenge. Amsterdam: ElsevierBurny, F., Zucman, J., Bourgois, R., Aubriot, J.H., Sedel, J., Utilisation des jauges extensom{\'e}triques pour la mesure de la consolidation des fractures du tibia trait{\'e}es par enclouage centrom{\'e}dullaire. Etude th{\'e}orique et premiers r{\'e}sultats (1971) Acta Orthop Belg, 37, pp. 266-277;Moulart, F., (1975) R{\'e}{\'e}ducation des fractures hautes du f{\'e}mur. Mesure des d{\'e}formations du mat{\'e}riel d{\textquoteright}ost{\'e}osynthese, , M{\'e}moire de Licence en Kin{\'e}sith{\'e}rapie, Universit{\'e} Libre de Bruxelles; 
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},
	month = {2000///},
	pages = {469 - 479},
	abstract = {Extensive clinical experience has been built up using orthopaedic implants instrumented with strain gauges connected to a Wheatstone bridge by means of percutaneous leads. This research showed the medical relevance of the monitoring of the deformation of implants as a powerful tool to evaluate nursing and rehabilitation exercises, for tracing dangerous overloads and anticipating implant failure and also to observe the healing process. The IMPACT 3500 project focuses on the instrumentation of femoral implants with on board sensors: regular Benoist-Girard implants have been modified, to contain a {\textquoteright}sensing cell{\textquoteright}, and thoroughly tested in vitro and in vivo. The implant deformations are measured with resistive strain gauges, and the signal is transferred to a personal computer for processing and display, via a hard wired connection, or via a telemetry system. Two fully implantable wireless designs, called Linkstrain and Sealstrain, are powered from the outside by magnetic induction. As Sealstrain contains the whole telemetric system in its cavity, the highest miniaturization was required; this seriously deteriorates the efficiency of the inductive power link. {\textcopyright} 2001 IPEM.},
	keywords = {article, atomic absorption spectrometry, Biocompatible Materials, biomechanics, body movement, Bone Plates, ceramics, compression, Corrosion, Failure of implants, Femoral Fractures, femur, Fracture healing, healing, Humans, materials testing, metal, metal implantation, Metals, microcomputer, Microscopy, Electron, Scanning, Monitoring, Physiologic, Orthopedic implants, orthopedic surgery, priority journal, Prostheses and Implants, Prosthesis Design, prosthesis failure, Rehabilitation, Scanning electron microscopy, sensor, Sensors, Smart implants, Spectrum Analysis, Stainless steel, strain gauge transducer, Strain measurements, Stress, Mechanical, Telemetry, Weight-Bearing},
	isbn = {13504533 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-20244372369\&partnerID=40\&md5=456fea60c077d9bd4569169438349a07},
	author = {Burny, F. and Donkerwolcke, M. and Moulart, F. and Bourgois, R. and Puers, R. and Van Schuylenbergh, K. and Barbosa, M. and Paiva, O. and Rodes, F. and B{\'e}gueret, J.B. and Lawes, P.}
}
@article {2567,
	title = {Enhancement of the mechanical properties of a high-density polyethylene},
	journal = {Journal of Applied Polymer ScienceJ. Appl. Polym. Sci.},
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},
	month = {1999///},
	pages = {2473 - 2483},
	publisher = {John Wiley \& Sons Inc},
	abstract = {This paper describes the process optimization in injection molding of high-density polyethylene (HDPE). Both conventional injection molding and shear controlled orientation (SCORIM) were employed in processing. The process optimization was based on design of experiments and complemented with analysis of variance. Mechanical characterization was carried out by tensile testing. Wide-angle X-ray diffraction and differential scanning calorimetry were used for the structural characterization of the moldings. High-density polyethylene exhibits 7.2 GPa Young{\textquoteright}s modulus and 155 MPa of ultimate tensile strength following the application of SCORIM processing. These results account for a fourfold increase in Young{\textquoteright}s modulus and a fivefold increase in ultimate tensile strength compared to conventional injection molding. The maintenance of toughness while enhancing stiffness and strength of the SCORIM moldings is attributable to an oriented morphology developed during shear flow, i.e., shish-kebab structure. The frequency of shearing action has the strongest influence on the morphology development. It is also demonstrated that the studied parameters are very much interdependent. It is possible to achieve substantial gains in mechanical properties of HDPE in SCORIM processing without causing a substantial increase in cycle time.},
	keywords = {differential scanning calorimetry, Elastic moduli, High density polyethylenes, Injection molding, morphology, Optimization, Shear controlled orientation in injection molding, Shear flow, Shish kebab structure, Stiffness, Strength of materials, tensile strength, Tensile testing, Toughness, Wide angle X ray diffraction, X ray diffraction analysis},
	isbn = {00218995 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0033347604\&partnerID=40\&md5=14466d58532f85bbaeac12f9903bc066},
	author = {Kalay, G. and Sousa, R.A. and Reis, R.L. and Cunha, A.M. and Bevis, M.J.}
}
@article {2578,
	title = {New starch-based thermoplastic hydrogels for use as bone cements or drug-delivery carriers},
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	volume = {9},
	year = {1998},
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},
	month = {1998///},
	pages = {825 - 833},
	abstract = {The development of new biodegradable hydrogels, based on corn starch/cellulose acetate blends, produced by free-radical polymerization with methyl methacrylate monomer (MMA) and/or an acrylic acid monomer (AA), is reported. The polymerization was initiated by a redox system consisting of a benzoyl peroxide and 4-dimethlyaminobenzyl alcohol at low temperature. These hydrogels may constitute an alternative to the materials currently used as bone cements or drug-delivery carriers. Swelling studies were carried out, as a function of pH and temperature, in buffered solutions. The xerogels were further characterized by Fourier transform-infrared spectroscopy. Tensile and compression tests, and dynamic mechanical thermal analysis were used to assess the mechanical performance of the developed materials. The fracture surfaces were observed by scanning electron microscopy. The developed materials are sensitive to the pH, showing a clear reversible transition in a relatively narrow interval of pH, which is just in the range of physiological conditions. These properties make the materials developed in this study very promising for biomedical applications. Fickian-type diffusion is the mechanism predominant in these systems, except for the composition with a higher concentration of AA, that corresponds to the most desirable kinetical behavior for controlled release (case II-transport mechanism). Furthermore, the results obtained in the mechanical tests are in the range of those reported for typical PMMA bone cements, showing that it is possible to develop partially degradable cements with an adequate mechanical behavior.},
	keywords = {acrylic acid, alcohol, article, benzoyl peroxide, Biodegradation, bone cement, buffer, cellulose acetate, compression, Diffusion, drug delivery system, dynamics, fracture, free radical, hydrogel, infrared spectroscopy, Kinetics, low temperature, mechanical stress, oxidation reduction reaction, pH, poly(methyl methacrylate), Polymerization, priority journal, Scanning electron microscopy, Starch, tensile strength, Thermal analysis},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0032424837\&partnerID=40\&md5=b06120f87bacd9ba817763d9e06da3ca},
	author = {Pereira, C.S. and Cunha, A.M. and Reis, R.L. and V{\'a}zquez, B. and San Rom{\'a}n, J.}
}
@article {2612,
	title = {Investigation of the dissolution of the bioceramic hydroxyapatite in the presence of titanium ions using ToF-SIMS and XPS},
	journal = {BiomaterialsBIOMATERIALS},
	volume = {18},
	year = {1997},
	note = {Cited By (since 1996): 28Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/S0142-9612(96)00134-2PubMed ID: 9068892Language of Original Document: EnglishCorrespondence Address: Davies, M.C.; Lab. Biophysics and Surface Analysis, Department Pharmaceutical Sciences, University of Nottingham, Nottingham NG7 2RD, United KingdomChemicals/CAS: Biocompatible Materials; Cations; Ceramics; Durapatite, 1306-06-5; Titanium, 7440-32-6References: Hench, L.L., Wilson, J., Bioceramics (1991) MRS Bull, p. 62. , September;Katz, J.L., Harper, R.A., (1990) Concise Encyclopedia of Medical and Dental Materials, p. 87. , ed. D. F. Williams, Pergamon Press, Oxford; 
Posner, A.S., Betts, F., Synthetic amorphous calcium phosphate and its relation to bone mineral structure (1975) Acct Chem Res, 8, p. 2373; 
De Groot, K., (1981) Biocompatibility of Clinical Implant Materials. Vol. I, 1, p. 199. , ed. D. F. Williams, CRC Press, Boca Raton; 
Van Blitterswijk, C.A., Grote, J.J., Kuijpers, W., Daems, W.T., De Groot, K., Macropore tissue ingrowth: A quantitative and qualitative study on hydroxyapatite ceramic (1986) Biomaterials, 7, p. 137; 
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De Groot, K., Geesink, R., Klein, C.P.A.T., Serekian, P., Plasma sprayed coatings of hydroxylapatite (1987) J Biomed Mater Res, 21, p. 1375; 
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Geesink, R.G.T., De Groot, K.A., Klein, C.P.A.T., Chemical implant fixation using hydroxylapatite coatings: The development of a human total hip prosthesis for chemical fixation to bone using hydroxylapatite coatings on titanium substrates (1987) Clin Orthop Rel Res, 225, p. 147; 
Cook, S.D., Thomas, K.A., Kay, J.F., Jarcho, M., Hydroxyapatite coated titanium for orthopaedic implant applications (1988) Clin Orthop Rel Res, 232, p. 225; 
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Briggs, D., Analysis of polymer surfaces by SIMS. VII. Homopolymer and copolymer nylons (1987) Org Mass Spectrom, 22, p. 91
},
	month = {1997///},
	pages = {311 - 316},
	publisher = {Elsevier Science Ltd},
	abstract = {Time-of-flight secondary ion mass spectrometry (ToF-SIMS) and X-ray photoelectron spectroscopy (XPS) analyses have been used to investigate the dissolution of hydroxyapatite in the presence of titanium chloride suggesting the substitution of titanium ions for calcium in the hydroxyapatite structure. The surface analytical data suggest that titanium was incorporated within the solid phase as titanium phosphate. Comparison of relative ion intensities in the ToF-SIMS spectra reveals changes in the composition of the surface chemistry of hydroxyapatite. These relative ion intensities show that the maximum surface uptake of titanium occurred at a solution concentration of 500 ppm titanium chloride for a time of incubation of 30 min. These data correlate with that obtained using XPS highlighting the semi-quantitative information which ToF-SIMS can provide.Time-of-flight secondary ion mass spectrometry (ToF-SIMS) and X-ray photoelectron spectroscopy (XPS) analyses have been used to investigate the dissolution of hydroxyapatite in the presence of titanium chloride suggesting the substitution of titanium ions for calcium in the hydroxyapatite structure. The surface analytical data suggest that titanium was incorporated within the solid phase as titanium phosphate. Comparison of relative ion intensities in the ToF-SIMS spectra reveals changes in the composition of the surface chemistry of hydroxyapatite. These relative ion intensities show that the maximum surface uptake of titanium occurred at a solution concentration of 500 ppm titanium chloride for a time of incubation of 30 min. These data correlate with that obtained using XPS highlighting the semi-quantitative information which ToF-SIMS can provide.
},
	keywords = {article, Bioceramic hydroxyapatite, Biocompatible Materials, biomaterial, Biomaterials, Cations, ceramic prosthesis, ceramics, Composition, Dissolution, Durapatite, hydroxyapatite, information processing, mass spectrometry, Phosphates, priority journal, Radiography, Secondary ion mass spectrometry, Spectrometry, Mass, Secondary Ion, Spectrometry, X-Ray Emission, Spectrophotometry, Substitution reactions, Surface chemistry, surface property, Surface structure, Time of flight secondary ion mass spectrometry, Time-of-flight secondary ion mass spectrometry, Titanium, Titanium chloride, X ray photoelectron spectroscopy, X-ray photoelectron spectroscopy},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031080821\&partnerID=40\&md5=9581c063071547190645f666a211bddb},
	author = {Leadley, S.R. and Davies, M.C. and Ribeiro, C.C. and Barbosa, M.A. and Paul, A.J. and Watts, J.F.}
}
@article {2613,
	title = {Nickel Quantification in Mice Organs by Adsorptive Cathodic Stripping Voltammetry Using Mercury Microelectrodes},
	journal = {ElectroanalysisElectroanalysis},
	volume = {9},
	year = {1997},
	note = {Cited By (since 1996): 8Export Date: 21 November 2012Source: ScopusCODEN: ELANELanguage of Original Document: EnglishCorrespondence Address: Sousa, J.P.; Inst. de Engenharia Biomedica, Depto. de Engenharia Qu{\'\i}mica, Faculdade Engenharia da Univ. do P., Pra{\c c}a do Coronel Pacheco, 1, P-4050 Porto, PortugalReferences: Mark H.B., Jr., (1964) J. Electroanal. Chem., 7, p. 276;Crow, D.R., Rose, M.E., (1979) Electrochim. Acta, 24, p. 41; 
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},
	month = {1997///},
	pages = {150 - 154},
	abstract = {Mercury film microelectrodes (MFMs) were used to quantify trace levels of nickel accumulated in mice organs samples after dosing the mice with a physiological solution containing 150 ppm of Ni ions over a period of time, by performing adsorptive cathodic stripping square wave voltammetry (AdSWV). The residues obtained after digestion of the biological organs with nitric acid which affects the electrochemical response of Ni were investigated by XRD and IR spectrometry and found to be mainly composed by p-nitrobenzoic acid. Electrochemical conditions for the quantification of Niwith MFMs in the biological solutions were optimized. The electrochemical data compared favorably with that obtained by atomic absorption spectrometry.},
	keywords = {Adsorptive stripping voltammetry, Mice organs, Microelectrodes, Nickel},
	isbn = {10400397 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0000122410\&partnerID=40\&md5=634a3532a71c048970c98a2652cca21b},
	author = {Pereira, M.C. and Faria, J.L. and Reis, M.L. and Sousa, J.P.}
}
@article {2595,
	title = {Processing and in vitro degradation of starch/EVOH thermoplastic blends},
	journal = {Polymer InternationalPolym. Int.},
	volume = {43},
	year = {1997},
	note = {Cited By (since 1996): 77Export Date: 21 November 2012Source: ScopusLanguage of Original Document: EnglishCorrespondence Address: Reis, R.L.; Dept. of Metallurgical Engineering, University of Porto, FEUP, Rua dos Bragas, 4099 Porto Codex, PortugalReferences: Hayashi, T., (1994) Prog. Polym. Sci., 19, p. 663;Daniels, A.U., Andriano, K.P., Smutz, W.P., Chang, M.K.O., Heller, J., (1994) J. Appl. Biomater., 5, pp. 5l; 
Andriano, K.P., Pohjonen, T., Tormalla, P., (1994) J. Appl. Biomater., 5, p. 133; 
Knowles, J.C., Hastings, G.W., (1992) J. Mater. Sci.: Mater. Med., 3, p. 352; 
Rokkanen, P.U., (1991) Ann. Med., 23, p. 109; 
Reis, R.L., Cunha, A.M., (1995) J. Mater, Sci.: Mater. Med., 6, p. 786; 
Reis, R.L., Cunha, A.M., Allan, P.S., Bevis, M.J., (1996) J. Polym. Advanced Techniques, 1, p. 784; 
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Allan, P.S., Bevis, M.J., (1990) Comp. Manuf., 2, p. 79; 
Reis, R.L., Cunha, A.M., Allan, P.S., Bevis, M.J., (1996) Polymers in Medicine and Surgery, p. 195. , eds J. Courtney et al. Institute of Materials, London; 
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},
	month = {1997///},
	pages = {347 - 352},
	abstract = {This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance stiffness and ductility. Degradation was studied in simulated physiological solutions (Hank{\textquoteright}s balanced salt solution) with and without added bovine serum. Both the dry weight loss and the changes in mechanical properties were determined for ageing periods up to 80 days. The degradation behaviour proved to be strongly dependent on the formulation of the material studied, and on the addition of proteins. The susceptibility of the starch/EVOH blends to degradation when sterilised with ethylene oxide (EtO) was also studied, and showed that the polymers could stand one EtO sterilisation cycle. However, two consecutive cycles severely degraded the polymer structure and properties.},
	keywords = {Aging of materials, Anisotropy, Biodegradable polymers, Biodegradation, Biomaterials, Degradation, Ductility, Ethylene oxide, Ethylene vinyl alcohol, Hank{\textquoteright}s salt solution, Injection molding, Polyethylenes, Polymer blends, Polyvinyl alcohols, Processing, Proteins, rheology, Shear controlled orientation injection molding (Scorim), Starch, Sterilisation, Stiffness},
	isbn = {09598103 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031212625\&partnerID=40\&md5=554d54fa82a40d6b0a6dea9b9c12afa2},
	author = {Reis, R.L. and Mendes, S.C. and Cunha, A.M. and Bevis, M.J.}
}
@article {2600,
	title = {Structure development and control of injection-molded hydroxylapatite-reinforced starch/EVOH composites},
	journal = {Advances in Polymer TechnologyAdv Polym Technol},
	volume = {16},
	year = {1997},
	note = {Cited By (since 1996): 53Export Date: 21 November 2012Source: ScopusCODEN: APTYDLanguage of Original Document: EnglishCorrespondence Address: Reis, R.L.; Dept. of Metallurgical Engineering, Faculty of Engineering, University of Porto, Rua dos Bragas, 4099 Porto Codex, PortugalReferences: Hayashi, T., (1994) Prog. Polym. Sci., 19, p. 663;Rokkanen, P.U., (1991) Ann. Med., 23, p. 109; 
Knowles, J.C., Hastings, G.W., (1992) J. Mater. Sci. Mater. Med., 3, p. 352; 
Adriano, K.P., Pohjonen, T., Tormalla, P., (1994) J. Appl. Biomater., 5, p. 133; 
Daniels, A.U., Andriano, K.P., Smutz, W.P., Chang, M.K.O., Heller, J., (1994) J. Appl. Biomater., 5, p. 51; 
Bastioli, C., Bellotti, V., Del Guidice, L., Gilli, G., (1993) J. Environ. Polym. Degrad., 1, p. 181; 
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Stepto, R.F.T., Tomka, I., (1987) Chimia, 41, p. 76; 
Bhattarcharya, M., Vaidya, U.R., Zhang, D., Narayan, R., (1995) J. Appl. Polym. Sci., 57, p. 539; 
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Reis, R.L., Cunha, A.M., Allan, P.S., Bevis, M.J., (1996) J. Polym. Adv. Technol., 7, p. 784; 
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Allan, P.S., Bevis, M.J., British Patent 2170-140-B (1987)Allan, P.S., Bevis, M.J., (1987) Plast. Rubber Proc. Appl., 7, p. 3; 
Allan, P.S., Bevis, M.J., (1990) Comp. Manuf., 2, p. 79; 
Bastioli, C., Bellotti, V., Rallis, A., (1994) Rheol. Acta, 33, p. 307; 
Reis, R.L., Mendes, S.C., Cunha, A.M., Bevis, M.J., (1997) Polym. Int, 43, p. 347
},
	month = {1997///},
	pages = {263 - 277},
	abstract = {This article reports on the development of novel composites of starch-based polymers reinforced with hydroxylapatite (HA). Two different grades of blends of starch and ethylene vinyl alcohol copolymers were reinforced with up to 30\% (wt) of sintered and nonsintered HA. The initial compounding stage was carried out either in a rotating drum or by twin-screw extrusion (TSE). Compounds were injection molded using both conventional molding and a shear-controlled orientation in injection molding (Scorim) technique. It was possible to obtain composites with very good mechanical properties, approaching those of cortical bone. The best results were achieved for 30\% sintered HA composites processed by TSE and Scorim, due to the in situ formation of HA fibers, and the development of molecular orientation and more compact microstructures in the moldings. This was confirmed by SEM analysis of the fracture surfaces, x-ray diffraction, and Raman spectroscopy. The biodegradability of the composites was also assessed and was found to be faster than that of the matrix. {\textcopyright} 1997 John Wiley \& Sons, Inc.},
	keywords = {Biodegradation, Composition effects, Compounding (chemical), Copolymers, Extrusion molding, hydroxyapatite, Injection molding, Microstructure, Molecular orientation, Phosphate minerals, Polymer blends, Polyvinyl alcohols, Reinforced plastics, Rotating drum extrusion, Starch, Twin screw extrusion},
	isbn = {07306679 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031382738\&partnerID=40\&md5=1c26b12749883526162bae287a8ef6a9},
	author = {Reis, R.L. and Cunha, A.M. and Allan, P.S. and Bevis, M.J.}
}
@article {2601,
	title = {Treatments to induce the nucleation and growth of apatite-like layers on polymeric surfaces and foams},
	journal = {Journal of Materials Science: Materials in MedicineJ. Mater. Sci. Mater. Med.},
	volume = {8},
	year = {1997},
	note = {Cited By (since 1996): 51Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1023/A:1018514107669Language of Original Document: EnglishCorrespondence Address: Reis, R.L.; INEB-Inst. Biomedical Engineering, Praca do Coronel Pacheco 1, 4050 Porto, PortugalTradenames: Hostalen GM9255F, hoechst, Germany; SEVA-CManufacturers: hoechst, GermanyReferences: Lowenstam, H.A., Weiner, S., (1989) On Biomineralization, , Oxford University Press, Oxford;Mann, S., (1988) Nature, 332, p. 119; 
Mann, S., (1991) Endeavour, 15, p. 120; 
Mann, S., (1993) Nature, 365, p. 499; 
Heur, A.H., Fink, D.J., Laraia, V.J., Calvert, P.D., Kendall, K., Messing, G.L., Blackwell, J., Caplan, A.I., (1992) Science, 255, p. 1098; 
Hench, L.L., (1991) J. Amer. Ceram. Soc., 74, p. 1487; 
Legeros, R.Z., Orly, I., Gregoire, M., Daculsi, G., (1991) The Bone-Biomaterial Interface, p. 76. , edited by J. E. Davies University of Toronto Press, Torento; 
Hench, L.L., (1995) Chem. \& Indust., 17, p. 547; 
Hayakawa, S., Isuru, S., Iida, H., Ohtsuki, C., Osaka, A., (1996) Phys. Chem. Glasses, 37, p. 188; 
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Li, P., Othsuki, C., Kokubo, T., Nakanish, K., Soga, N., Nakamura, T., Yamamuro, T., (1992) J. Amer. Ceram. Soc., 75, p. 2094; 
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Reis, R.L., Cunha, A.M., Allan, P.S., Bevis, M.J., (1996) J. Polym. Adv. Technol., 7, p. 784; 
Reis, R.L., Cunha, A.M., Allan, P.S., Bevis, M.J., (1997) Adv. Polym. Technol., , in press; 
Reis, R.L., Mendes, S.C., Cunha, A.M., Bevis, M.J., (1997) Polym. Int., 43, p. 347; 
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Hata, K., Kokubo, T., Nakamura, T., Yamamuro, T., (1995) J. Amer. Ceram. Soc., 78, p. 1049; 
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Tanahashi, M., Yao, T., Kokubo, T., Minoda, M., Miyamoto, T., Nakamura, T., Yamamuro, T., (1995) J. Biomed. Mater. Res., 29, p. 349; 
Li, S.H., Liu, Q., Wijn, J.R., Zhou, B.L., De Groot, K., (1997) Biomaterials, 18, p. 389; 
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Oliveira, J.M., Correia, R.N., Fernandes, M.H., (1995) Biomaterials, 16, p. 849
},
	month = {1997///},
	pages = {897 - 905},
	publisher = {Chapman \& Hall Ltd},
	abstract = {In this work, a bioactive glass is used as a percusor of calcium-phosphate (Ca-P) film deposition onto several polymer-based materials. Both bioinert (high molecular weight polyethylene, HMWPE), and biodegradable (corn starch-based blends, SEVA-C) polymers, unreinforced or reinforced with hydroxylapatite (HA), were coated by the very simple proposed route. Also polyurethane (PU) foams, with an open-cell structure, were mineralized by the proposed method. In fact, it was possible to induce the growth of the Ca-P films not only at the surface, but also in the bulk of the PU foam. These cellular materials are intended for cancellous bone replacement applications. The morphology of the formed films was strongly dependent on the used substrate, its polar character, and on the presence of HA in its composition, as observed by SEM. Nevertheless, a well defined needle like structure was observed in all samples at high magnifications. The Ca:P ratios of the films were between 1.5 and 1.7, i.e. in the range of tricalcium phosphate-hydroxylapatite. Raman spectroscopy and thin-film x-ray diffraction (XRD) evidenced the formation of mostly amorphous calcium-phosphate films. After scraping the coating from the polymer surface and heat-treating the resulting powder at 1000{\textdegree}C for 1 h, HA and β-tricalcium phosphate (TCP) typical peaks were found on XRD patterns.In this work, a bioactive glass is used as a percussor of calcium-phosphate (Ca-P) film deposition onto several polymer-based materials. Both bioinert (high molecular weight polyethylene, HMWPE), and biodegradable (corn starch-based blends, SEVA-C) polymers, unreinforced or reinforced with hydroxylapatite (HA), were coated by the very simple proposed route. Also polyurethane (PU) foams, with an open-cell structure, were mineralized by the proposed method. In fact, it was possible to induce the growth of the Ca-P films not only at the surface, but also in the bulk of the PU foam. These cellular materials are intended for cancellous bone replacement applications. The morphology of the formed films was strongly dependent on the used substrate, its polar character, and on the presence of HA in its composition, as observed by SEM. Nevertheless, a well defined needle like structure was observed in all samples at high magnifications. The Ca:P ratios of the films were between 1.5 and 1.7, i.e. in the range of tricalcium phosphate-hydroxylapatite. Raman spectroscopy and thin-film x-ray diffraction (XRD) evidenced the formation of mostly amorphous calcium-phosphate films. After scraping the coating from the polymer surface and heat-treating the resulting powder at 1000 {\textdegree}C for 1 h, HA and β-tricalcium phosphate (TCP) typical peaks were found on XRD patterns.
},
	keywords = {Apatite, Bioactivity, Biomaterials, calcium phosphate, cancellous bone, conference paper, Deposition, Film growth, Foamed plastics, glass, Heat treatment, hydroxyapatite, implantation, mineralization, molecular weight, morphology, Nucleation, Phosphate coatings, Phosphate minerals, polyethylene, polymer, polyurethan foam, Polyurethanes, priority journal, Raman spectrometry, Raman spectroscopy, Scanning electron microscopy, X ray diffraction, Zea mays},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031466435\&partnerID=40\&md5=cf3826a417103c1e6bf61e37f681e8fe},
	author = {Reis, R.L. and Cunha, A.M. and Fernandes, M.H. and Correia, R.N.}
}
@article {2615,
	title = {Amino acid and metal content of Crassostrea gigas shell infested by Polydora sp. in the prismatic layer insoluble matrix and blister membrane},
	journal = {Aquatic Living ResourcesAquatic Living Resour.},
	volume = {9},
	year = {1996},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: ALREELanguage of Original Document: EnglishCorrespondence Address: Almeida, M.J.; Laborat{\'o}rio de Fisiologia Aplicada, Instituto de Ci{\^e}ncias Biom{\'e}dicas Abel Salazar, 4050 Porto, PortugalReferences: Allen, J.A., Manganese deposition on the shell of living molluscs (1960) Nature, 185, pp. 336-337;Beedham, G.E., Repair of the shell in species of Anodonta (1965) Proc. Zool. Soc. London, 145, pp. 107-125; 
Boggess, R.K., Martin, R.B., Copper chelation by DOPA, epinephrine and other catechols (1975) J. Am. Soc. Chem., 97, pp. 3076-3081; 
Brown, C.H., (1975) Structural Materials in Animals, , Wiley, New York; 
Bubel, A., An electron microscope study of periostracum repair in Mytilus edulis (1973) Mar. Biol., 20, pp. 235-244; 
Carriker, M.R., Swann, C.P., Prezant, R.S., Counts, C.L., Chemical elements in the aragonitic and calcitic microstructural groups of shell of the oyster Crassostrea virginica: A proton probe study (1991) Mar. Biol., 109, pp. 289-297; 
Catherine, M., Blateau, D., Mazuri{\'e}, J., Le Bec, C., (1990) Anomalies des Coquilles D{\textquoteright}hu{\^\i}tres Creuses Crassostrea Gigas Observ{\'e}es sur le Littoral Fran{\c c}ais en Mai-juin 1989, Dues au ver Polydora et aux Peintures Antisalissures., pp. 13-14. , Rapp. Int. Dir. Ressources Vivantes, IFREMER Nantes; 
Degens, E.T., Spencer, D.W., Parker, R.H., Paleobiochemistry of Molluscan shell proteins (1967) Comp. Biochem. Physiol., 79, pp. 553-579; 
Dorsett, D.A., The behavior of Polydora ciliata (Johnst.). Tube building and burrowing (1961) J. Mar. Biol. Assoc. U.K., 41, pp. 577-590; 
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Galstoff, P.S., The American oyster Crassostrea virginica (Gmelin) (1964) Fish. Bull. U.S., p. 64; 
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Kawaguchi, T., Watabe, N., The organic matrices of the shell of the American oyster Crassostrea virginica Gmelin (1993) J. Exp. Mar. Biol. Ecol., 170, pp. 11-28; 
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Laukner, G., Diseases of Mollusca: Bivalvia (1983) Diseases of Marine Animals, Vol. II, Bivalvia to Scaphopoda, 2, pp. 477-978. , Biologische Anstalt Helgoland, O. Kinne ed. Hamburg; 
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Tsujii, T., An electron microscopic study of the mantle epithelial cells of Anodonta sp. during shell regeneration (1976) The Mechanisms of Mineralization in the Invertebrates and Plants, pp. 339-353. , N. Watabe, K. M. Wilbur eds. Univ. South Carolina Press, Columbia; 
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Zottoli, R.A., Carriker, M.R., Burrow morphology, tube formation and microarchitecture of shell dissolution by the spionid polychaete Polydora websteri (1974) Mar. Biol., 27, pp. 307-316
},
	month = {1996///},
	pages = {179 - 186},
	abstract = {The spionid polychaete Polydora sp. can live and reproduce inside the oysters{\textquoteright} shell, excavating a U-shaped burrow the central portion of which is filled with detritus and particles of dissolved shell. The oyster responds by secreting an organic layer, confining the worm, and later covering it with calcitostracum. This process creates a characteristic "mud blister". Crassostrea gigas were analysed for the organic matrix amino acid content and 14 metals of the whole shell of normal oysters and severely Polydora infested ones. Amino acid, DOPA and FT-Raman analyses were also performed on isolated membranes from the characteristic mud blister and on prismatic layer insoluble matrix (PLIM) of infested oysters, with the aim of detecting any differences between the two organic matrices. Membranes and PLIM composition differ from whole normal shell organic matrix by having lower aspartate and glycine and higher levels of virtually all hydrophobic amino acids, especially alanine. There are no significant differences between membranes and PLIM in the ratio of charged to non-polar amino acids, respectively 0.54 and 0.59. L-DOPA content is also similar in the two matrices with 0.45 ({\textpm}0.18) and 0.57 ({\textpm}0.30) ng.mg},
	keywords = {Amino acids, Crassostrea gigas, Metals, Polydora sp., Shell organic matrix},
	isbn = {09907440 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0008495129\&partnerID=40\&md5=80ed4fe02d098797dec36a0481fbbecf},
	author = {Almeida, M.J. and Moura, G. and MacHado, J. and Coimbra, J. and Vilarinho, L. and Ribeiro, C. and Soares-Da-Silva, P.}
}
@article {2621,
	title = {Crystallinity and structural changes in HA plasma-sprayed coatings induced by cyclic loading in physiological media},
	journal = {Journal of Materials Science: Materials in MedicineJ. MATER. SCI. MATER. MED.},
	volume = {7},
	year = {1996},
	note = {Cited By (since 1996): 13Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/BF00122009Language of Original Document: EnglishCorrespondence Address: Reis, R.L.; Dept. of Metallurgical Engineering, FEUP, Univ. of Porto, Rua dos Bragas, 4099 Porto Codex, PortugalReferences: Ji, H., Marquis, P.M., (1993) Biomaterials, 14, p. 64;Pfaff, H.G., Willmann, G., Henne, R., (1993) Proceedings of the 10th European Conference on Biomaterials, p. 110. , Davos, Switzerland, 1993, edited by B. Rahn (European Society for Biomaterials); 
Brown, S.D., (1984) Thin Solid Films, 119, p. 127; 
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Ducheyne, P., Healy, K.E., (1988) J. Biomed. Mater. Res., 22, p. 1137; 
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Kummer, F., Jaffe, W., (1992) J. Appl. Biomater., 3, p. 211; 
Reis, R.L., Monteiro, F.J., Garrido, A., (1992) Bioceramics 5, p. 25. , Kyoto, November, 1992, edited by T. Yamamura, T. Kokubo and T. Nakamura (Kobunshi Kankokai, Tokyo); 
Reis, R.L., Monteiro, F.J., (1993) Bioceramics 6, p. 413. , Philadelphia, USA, 1993, edited by P. Ducheyne and D. Christiansen (Butterworth-Heinemann. New York); 
Reis, R.L., Monteiro, F.J., Hastings, G.W., (1994) J. Mater. Sci. Mater. Med., 5, p. 457; 
Reis, R.L., Monteiro, F.J., (1995) Proceedings of the NATO/ASI on Materials Science and Implant Orthopaedic Surgery II, p. 163. , Chania, Greesce, June 1994. edited by R. Kossowsky and N. Kossowsky (May, NATO/ASI series E: Applied Sciences, Kluwer Press, Amsterdam); 
Ji, H., Ponton, C.B., Marquis, P.M., (1992) J. Mater. Sci. Mater. Med., 3, p. 283; 
Weng, J., Liu, X., Zhang, X., Ma, Z., Ji, X., Zyman, Z., (1993) Biomaterials, 14, p. 578; 
De Groot, K., Klein, C.A.P.T., Wolke, J.G.C., Blieck-Hogervorst, J.M.A., (1990) Handbook of Bio-active Ceramics, 2, p. 133. , edited by T. Yamamuro, L. L. Hench and J. Wilson (CRC Press, Boca Raton, FL); 
Del{\'e}crin, J., Szumuckler-Moncler, S., Daculsi, G., Rieu, J., Duquet, B., (1991) Bioceramics 4, p. 311. , London, September, 1991, edited by W. Bonfield, G. W. Hastings and K. E. Tanner (Butterworth-Heinemann, London); 
De Bruijn, J.D., Flach, J.S., Leenders, H., Van der Brink, J., Van Blitterswijk, C., (1992) Bioceramics 5, p. 259. , Kyoto, November, 1992, edited by T. Yamamura, T. Kokubo and T. Nakamura (Kobunshi Kankokai, Tokyo)
},
	month = {1996///},
	pages = {407 - 411},
	publisher = {Chapman \& Hall Ltd},
	abstract = {In this study hydroxyapatite plasma-sprayed Ti-6A1-4V was characterized by X-ray diffraction (XRD) after being cyclically loaded, while immersed in two different testing environments: Hank{\textquoteright}s balanced salt solution (HBSS) and an isotonic saline solution (0.15m NaCl). An original method was developed to test these systems under cyclic bending, while immersed in the testing solution. The crystallinity of the coating was calculated, before and after testing. Crystallinity changes were related to coating dissolution rates, measured by atomic absorption spectroscopy (AAS) and by a photocolourimetric method using ascorbic acid. Structural changes induced either by the plasma-spraying procedure or due to corrosion-fatigue tests, namely a preferential dissolution of the coating{\textquoteright}s amorphous phase, were also found in X-ray diffraction patterns. Long-term immersion tests, without any applied load, were carried out for assessing cyclic loading effects. An immersion for 2 years in static conditions was found to be equivalent to a cyclic test of 27.8 h in the same solution, as measured by the changes on the coating structure and by the amount of coating material lost to the solution.In this study hydroxyapatite plasma-sprayed Ti-6Al-4V was characterized by X-ray diffraction (XRD) after being cyclically loaded, while immersed in two different testing environments: Hank{\textquoteright}s balanced salt solution (HBSS) and an isotonic saline solution (0.15M NaCl). An original method was developed to test these systems under cyclic bending, while immersed in the testing solution. The crystallinity of the coating was calculated, before and after testing. Crystallinity changes were related to coating dissolution rates, measured by atomic absorption spectroscopy (AAS) and by a photocolourimetric method using ascorbic acid. Structural changes induced either by the plasma-spraying procedure or due to corrosion-fatigue tests, namely a preferential dissolution of the coating{\textquoteright}s amorphous phase, were also found in X-ray diffraction patterns. Long-term immersion tests, without any applied load, were carried out for assessing cyclic loading effects. An immersion for 2 years in static conditions was found to be equivalent to a cyclic test of 27.8 h in the same solution, as measured by the changes on the coating structure and by the amount of coating material lost to the solution.
},
	keywords = {Absorption spectroscopy, article, ascorbic acid, atomic absorption spectrometry, Atomic absorption spectroscopy, balanced salt solution, Bending (deformation), Calculations, Characterization, Corrosion fatigue tests, crystal structure, Crystallinity, Cyclic bending, Dissolution, Fatigue testing, Hanks balanced salt solution, hydroxyapatite, Hydroxyapatite plasma sprayed coatings, immersion, implant, Isotonic saline solution, loading test, Long term immersion tests, materials testing, Modification, Photocolourimetric method, photometry, Plasma spraying, priority journal, sodium chloride, Sprayed coatings, Titanium alloys, Titanium aluminum vanadium alloys, X ray crystallography, X ray diffraction},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0030199724\&partnerID=40\&md5=b47480a26cc5b628bc98bc98034c6c98},
	author = {Reis, R.L. and Monteiro, F.J.}
}
@article {2628,
	title = {Implant recovery and tissue reaction in growing pigs following implantation of packaging materials for injectable electronic identification and monitoring devices},
	journal = {Preventive Veterinary MedicinePrev. Vet. Med.},
	volume = {25},
	year = {1996},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: PVMEELanguage of Original Document: EnglishCorrespondence Address: Janssens, S.; Lab. for Agric. Buildings Research, K.U. Leuven, K. Mercierlaan 92, B-3001 Heverlee, BelgiumReferences: Agresti, A., (1990) Categorical Data Analysis, , John Wiley, New York, 558 pp;Report from the working group on transponders (1990) CBSG News, 1 (3), p. 13; 
Davis, S.D., Gibbons, D.F., Martin, R.L., Levitt, S.R., Smith, J., Harrington, R.V., Biocompatibility of ceramic implants in soft tissue (1972) J. Biomed. Mater. Res., 6, pp. 425-449; 
Dorn, H.J., Vorstellung des EURO I.D. Systems zur kennzeichnung von tieren mit mikrochips in transpondern (1987) Tierarztl. Umschau, 12, pp. 978-981; 
Fallon, R.J., Rogers, P.A.M., Use and recovery of implantable electronic transponders in beef cattle (1991) Automatic Electronic Identification Systems for Farm Animals, pp. 61-67. , E. Lambooij (Editor), Commission European Community, Luxembourg; 
Konermann, H., Identification of horses by implantation of microchips (1991) Automatic Electronic Identification Systems for Farm Animals, pp. 37-43. , E. Lambooij (Editor), Commission European Community, Luxembourg; 
Lambooij, E., Injectable electronic identification systems: Some veterinary aspects (1991) Automatic Electronic Identification Systems for Farm Animals, pp. 21-27. , E. Lambooij (Editor), Commission European Community, Luxembourg; 
Lambooij, E., Merks, J.W.M., De techniek en plaats van injectie van elektronische levensnummers in varkens (1989) IVO-Rapp., B-335. , IVO-DLO, Zeist, The Netherlands, 12 pp; 
Lambooij, E., De Groot, P.H.S., Molenbeek, R.F., Gruys, E., Subcutaneous tissue reaction to polyethylene terephtalate-covered electronic identification transponders in pigs (1992) Vet. Q., 14 (4), pp. 145-147; 
Interim report following six month checks (1991) Livestock Identification Trial, , MLC, Milton Keynes, UK, 14 pp; 
Petersen, B., Kunneken, J., Norpoth, A., BIPS: An information and preventive system for pig breeding farms (1989) Pigs News Inf., 10 (4), pp. 473-476; 
Rao, G.N., Edmondson, J., Tissue reaction to an implantable identification device in mice (1990) Toxicol. Pathol., 18 (3), pp. 412-416; 
(1989) SAS/STAT User{\textquoteright}s Guide, Version 6, 4th Edn., 1. , SAS Institute Inc., Cary, NC, 943 pp; 
Williams, D.F., The response of the body environment to implants (1973) Implants in Surgery, pp. 203-297. , D.F. Williams (Editor), Saunders, London; 
Williams, D.F., Titanium and titanium alloys (1981) Biocompatibility of Clinical Implant Materials, 1, pp. 188-200. , D.F. Williams (Editor), CRC Press, Boca Raton, FL
},
	month = {1996///},
	pages = {249 - 258},
	abstract = {Different materials were used as cylindrical housings (40 mm {\texttimes} 5 mm) for implantable electronic identification and monitoring tags in livestock. A total of 299 pigs received an implant in the right ear base. Wound healing was complete after 6 weeks in all animals, whereas tissue reaction at the site of the transponder started from the first week with highest levels between 6 and 9 weeks. About 10\% of pigs showed visible swelling of the tissue surrounding the implant. Severeness of tissue reaction ante-mortem influenced the recovery rate of implants. Histological sections obtained from the pigs at slaughter show signs of an inflammatory response in most of the pigs which was associated with the implantation duration/body weight effect. Overall recovery of implants was 90\%. The unfavourable inflammation and recovery results might be attributed to a sub-optimal injection procedure.},
	keywords = {implant, Implant recovery, Pig, tissue reaction},
	isbn = {01675877 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0038873896\&partnerID=40\&md5=5fb7280a2742ab9dfe152ec1045acb44},
	author = {Janssens, S. and Rocha, L.A. and Bosschaerts, L. and Barbosa, M.A. and Puers, R. and Vill{\'e}, H. and Geers, R.}
}
@article {2618,
	title = {Mechanical behavior of injection-molded starch-based polymers},
	journal = {Polymers for Advanced TechnologiesPolym. Adv. Technol.},
	volume = {7},
	year = {1996},
	note = {Cited By (since 1996): 58Export Date: 21 November 2012Source: ScopusLanguage of Original Document: EnglishCorrespondence Address: Reis, R.L.; Dept. of Metallurgical Engineering, FEUP, Rua dos Bragas, 4099 Porto Codex, PortugalReferences: Rokkanen, P.U., (1991) Ann. Med., 23, p. 109;Danniels, A.U., Adriano, K.P., Smutz, W.P., Chang, M.K.O., Heller, J., (1994) J. Appl. Biomater., 5, p. 51; 
Baumgart, F.W., Perren, S.M., (1994) Clinical and Laboratory Performance of Bone Plates, p. 42. , J. P. Harvey and R. F. Games, eds., ASTM STP1217, Philadelphia; 
Knowles, J.C., Hastings, G.W., (1992) J. Mater. Sci.: Mater. Med., 3, p. 352; 
Knowles, J.C., Hastings, G.W., (1993) J. Mater. Sci.: Mater. Med., 4, p. 102; 
Bastioli, C., Bellotti, V., Del Guidice, L., Gilli, G., (1993) J. Environ. Polym. Degr., 1, p. 181; 
Yoshida, Y., Uemura, T., (1994) Biodegradable Plastics and Polymers, p. 443. , Y. Doi and K. Fukuda, eds, Elsevier Science, Tokyo; 
Bastioli, C., Bellotti, V., Camia, M., Del Giudice, L., Rallis, A., (1994) Biodegradable Plastics and Polymers, p. 200. , Y. Doi and K. Fukuda, eds, Elsevier Science, Tokyo; 
Allan, P.S., Bevis, M.J., British Patent 2170-140-BAllan, P.S., Bevis, M.J., (1987) Plast. Rubb. Proc. Appl., 7, p. 3; 
Allan, P.S., Bevis, M.J., (1990) Comp. Manufac., 2, p. 79; 
Reis, R.L., Cunha, A.M., (1995) J. Mater. Sci.: Mater. Med., 6, p. 786; 
Bastioli, C., Belloti, V., Rallis, A., (1994) Rheological Acta, 33, p. 307
},
	month = {1996///},
	pages = {784 - 790},
	abstract = {This work evaluates the mechanical performance of injection-molded starch-based copolymers, 60/40 (mol/ mol) starch/poly(ethylene vinyl alcohol), and the possibility of improving material properties through deliberately induced anisotropy during processing. Different types of samples were produced by conventional and shear-controlled injection molding (Scorim) and tested under tensile and impact loading. The behavior of three distinct grades is discussed in terms of the respective fracture morphology (evaluated by scanning electron microscopy). A comparison is made between the behavior of conventional and Scorim samples. The results show that the mechanical properties of the materials used were significantly improved by the employment of the Scorim process. The stiffness values of the conventional moldings were doubled, without reducing the ductility of the polymer. The impact data showed a material sensitivity, and consequent loss of properties, to the localized shear imposed to the melt during processing. This situation is attributed to very narrow mold gates (in the case of pingated systems) and leads to much reduced impact performance.},
	keywords = {Anisotropy, Biomaterials, Copolymers, differential scanning calorimetry, Ductility, fracture, Impact performance, Impact testing, Injection molding, Mechanical performance, Melting temperature, morphology, Narrow mold gates, performance, Scanning electron microscopy, Scorim, Scorim process, Starch-based polymers, Starched based polymers, Stiffness, Tensile testing},
	isbn = {10427147 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0030257651\&partnerID=40\&md5=6e1c4c7e5c43e8f84ab0e214681cd98b},
	author = {Reis, R.L. and Cunha, A.M. and Allan, P.S. and Bevis, M.J.}
}
@article {2637,
	title = {Computerized fetal heart rate analysis in labour based on 2-s sampling. Can it proceed with confidence? [1]},
	journal = {European Journal of Obstetrics Gynecology and Reproductive BiologyEUR. J. OBSTET. GYNECOL. REPROD. BIOL.},
	volume = {63},
	year = {1995},
	note = {Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: EOGRAdoi: 10.1016/0301-2115(95)02215-SPubMed ID: 8674558Language of Original Document: EnglishCorrespondence Address: Bernardes, J.; Instituto Engenharia Biomedica, Praca Coronel Pacheco 1, 4000 Porto, Portugal},
	month = {1995///},
	pages = {105 - 107},
	keywords = {computer analysis, Computers, Female, Fetal monitoring, fetus, fetus heart rate, Heart Rate, Fetal, human, labor, Labor, Obstetric, letter, measurement, Pregnancy, priority journal, sampling, Time Factors},
	isbn = {03012115 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0028856781\&partnerID=40\&md5=d0c302fff078192103c46bde7d37746f},
	author = {Bernardes, J. and Garrido, A. and Chang, A. and Sahota, D.S. and Reed, N.N. and James, D.K. and Mohajer, M.P.}
}
@article {2634,
	title = {Liquid phase sintering of hydroxyapatite by phosphate and silicate glass additions: Structure and properties of the composites},
	journal = {Journal of Materials Science: Materials in MedicineJ. MATER. SCI. MATER. MED.},
	volume = {6},
	year = {1995},
	note = {Cited By (since 1996): 41Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/BF00120303Language of Original Document: EnglishCorrespondence Address: Santos, J.D.; INEB-National Inst. Biomedical Engn., Department Metallurgical Engineering, FEUP, University of Porto, Rua dos Bragas 4099-Porto Codex, Portugal},
	month = {1995///},
	pages = {348 - 352},
	publisher = {Chapman \& Hall Ltd},
	abstract = {Phosphate- and silicate-based glasses were added to hydroxyapatite in order to improve its mechanical properties and to fabricate composites with different degrees of bioactivity. A strong chemical bonding was obtained between hydroxyapatite and the phosphate-based glasses leading to samples approaching theoretical density, according to density measurements and scanning electron microscopy. Bioglass{\textregistered} additions led to the formation of a complex calcium phosphate silicate which hampered the reinforcement process. The fracture toughness of the hydroxyapatite-glass composites was shown to be within the 1.1-1.2 MPam(1/2) range, which is double that determined for sintered hydroxyapatite. A 2 μm thick apatite layer was observed on the surface of the hydroxyapatite-glass composites after 48 h immersion in a simulated human blood plasma, whereas only a few apatite crystals were detected on sintered hydroxyapatite after 7 days immersion. From the results obtained we anticipate that the composites might show a higher rate of bone bonding, leading to enhanced bioactivity.Phosphate- and silicate-based glasses were added to hydroxyapatite in order to improve its mechanical properties and to fabricate composites with different degrees of bioactivity. A strong chemical bonding was obtained between hydroxyapatite and the phosphate-based glasses leading to samples approaching theoretical density, according to density measurements and scanning electron microscopy. Bioglass
                        (R) additions led to the formation of a complex calcium phosphate silicate which hampered the reinforcement process. The fracture toughness of the hydroxyapatite-glass composites was shown to be within the 1.1-1.2 MPa m
                        1/2 range, which is double that determined for sintered hydroxyapatite. A 2 μm thick apatite layer was observed on the surface of the hydroxyapatite-glass composites after 48 h immersion in a simulated human blood plasma, whereas only a few apatite crystals were detected on sintered hydroxyapatite after 7 days immersion. From the results obtained we anticipate that the composites might show a higher rate of bone bonding, leading to enhanced bioactivity.
},
	keywords = {Adhesion, article, Bioactivity, Bioglass, Biomaterials, Bone, bone prosthesis, calcium phosphate, chemical binding, Chemical bonds, chemical composition, Chemical structure, Complex calcium phosphate silicate, Composite materials, crystal, density, Density measurement (specific gravity), glass, Human blood plasma, hydroxyapatite, Liquid phase sintering, Mechanical properties, Mechanics, phosphate, Phosphates, plasma, priority journal, Scanning electron microscopy, silicate, Silicates, Sintering, Structure (composition), surface property, thickness},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0029311049\&partnerID=40\&md5=433498e286bfad74a296d1fafc50c223},
	author = {Santos, J.D. and Reis, R.L. and Monteiro, F.J. and Knowles, J.C. and Hastings, G.W.}
}
@article {2629,
	title = {Modifications in the molecular structure of hydroxyapatite induced by titanium ions},
	journal = {Journal of Materials Science: Materials in MedicineJ. MATER. SCI. MATER. MED.},
	volume = {6},
	year = {1995},
	note = {Cited By (since 1996): 22Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/BF00134326Language of Original Document: EnglishCorrespondence Address: Ribeiro, C.C.; Instituto de Engenharia Biomedica, Praca do Coronel Pacheco, 1, 4050 Porto, Portugal},
	month = {1995///},
	pages = {829 - 834},
	publisher = {Chapman \& Hall Ltd},
	abstract = {The purpose of this study was to contribute to the understanding of the effect of titanium ions released from a metallic substrate on the molecular structure of hydroxyapatite. The effects of pH, time of incubation and concentration of titanium ions were investigated. The solids were analysed by X-ray diffraction, Fourier transform infrared spectroscopy, Fourier transform Raman spectroscopy, energy dispersive X-ray analysis and thermogravimetric analysis. The results clearly indicate the presence of a titanium phosphate, Ti(HPO                        4)
                        2{\textperiodcentered}nH
                        2O (n = 1-3), which probably has a double layered structure. The formation of this compound is dependent on the titanium concentration and its crystallinity increases with the time of incubation.
The purpose of this study was to contribute to the understanding of the effect of titanium ions released from a metallic substrate on the molecular structure of hydroxyapatite. The effects of pH, time of incubation and concentration of titanium ions were investigated. The solids were analysed by X-ray diffraction, Fourier transform infrared spectroscopy, Fourier transform Raman spectroscopy, energy dispersive X-ray analysis and thermogravimetric analysis. The results clearly indicate the presence of a titanium phosphate, Ti(HPO
                        4)
                        2{\textperiodcentered}nH
                        2O (n = 1-3), which probably has a double layered structure. The formation of this compound is dependent on the titanium concentration and its crystallinity increases with the time of incubation.
},
	keywords = {Calcium Compounds, Chemical structure, Coatings, conference paper, Crystallinity, Crystallization, Dissolution, Energy dispersive x ray analysis, Fourier transform infrared spectroscopy, Fourier transform Raman spectroscopy, hydroxyapatite, Implants (surgical), incubation time, infrared spectroscopy, Ions, metal ion, Molecular Structure, pH, pH effects, phosphate, Phosphates, priority journal, Raman spectrometry, Raman spectroscopy, Thermogravimetric analysis, thermogravimetry, time, Titanium, Titanium compounds, X ray analysis, X ray diffraction},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0029583899\&partnerID=40\&md5=724de7ed1c6fddd7a7e258cd19ba3710},
	author = {Ribeiro, C.C. and Barbosa, M.A. and Machado, A.A.S.C. and Tudor, A. and Davies, M.C.}
}
@article {2633,
	title = {Plasma surface treatment and PACVD on Ti alloys for surgical implants},
	journal = {Surface and Coatings TechnologySurf. Coat. Technol.},
	volume = {74-75},
	year = {1995},
	note = {Cited By (since 1996): 49Export Date: 21 November 2012Source: Scopusdoi: 10.1016/0257-8972(95)08316-2Language of Original Document: EnglishCorrespondence Address: Rie, K.-T.; Institut f{\"u}r Oberfl{\"a}chentechnik und plasmatechnische Werkstoffentwicklung, Technische Universit{\"a}t Braunschweig, Bienroder Weg 53, D-38108 Braunschweig, Germany},
	month = {1995///},
	pages = {973 - 980},
	abstract = {To improve the poor surface hardness and wear resistance of titanium alloys used for surgical implants undergoing wear TiA16V4 and TiA15Fe2.5 have been plasma nitrided. TiN and other sublayers are formed by plasma nitriding. To increase the thickness of the outermost TiN layer the samples have been coated with TiN by PACVD following plasma nitriding. The produced layers have been characterized in terms of microstructure, layer composition, hardness depth profiles. The evaluation of corrosion resistance and biocompatibility revealed that the good properties of the untreated alloys have been well preserved. {\textcopyright} 1995 Elsevier Science S.A.},
	keywords = {Biocompatibility, Biomaterials, Characterization, Chemical vapor deposition, Corrosion resistance, hardness, Implants (surgical), Microstructure, Nitriding, PACVD, Plasma applications, Plasma assisted chemical vapor deposition, Plasma nitriding, Plasma surface treatment, Surface hardness, Surface treatment, Surfaces, Ti alloys, Titanium alloys, Wear resistance},
	isbn = {02578972 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0029389521\&partnerID=40\&md5=289d2d683bcdc5c62d1ecdf56b33079a},
	author = {Rie, K.-T. and Stucky, T. and Silva, R.A. and Leitao, E. and Bordji, K. and Jouzeau, J.-Y. and Mainard, D.}
}
@article {2639,
	title = {Stability of hydroxylapatite plasma-sprayed coated Ti-6Al-4V under cyclic bending in simulated physiological solutions},
	journal = {Journal of Materials Science: Materials in MedicineJ. MATER. SCI. MATER. MED.},
	volume = {5},
	year = {1994},
	note = {Cited By (since 1996): 35Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/BF00058983Language of Original Document: EnglishCorrespondence Address: Reis, R.L.; INEB-National Inst. Biomedical Engn., Faculty of Engineering, University of Porto, Rua dos Bragas, 4099 Porto Codex, Portugal},
	month = {1994///},
	pages = {457 - 462},
	publisher = {Chapman \& Hall Ltd},
	abstract = {The aim of this research was to study the stability of plasma-sprayed coated metal systems and to evaluate their susceptibility to the occurrence of corrosion fatigue. Hydroxylapatite plasma-sprayed coated samples of Ti-6Al-4V were studied under cyclic bending. During fatigue testing samples were immersed in a simulated physiological solution and mechanical and electrochemical degradation were monitored. Applied loads were intended to crack the ceramic coating and not the metal substrate. Electrochemical impedance spectroscopy was used to further characterize the electrochemical behaviour. No increase in tendency to corrode was detected in open-circuit corrosion fatigue testing. It appears as if the coating cracking does not increase metal substrate corrosion susceptibility. The coating integrity has been seriously affected, with marked decrease in thickness, due to the synergistic effect of load and presence of simulated body fluids environment. Impedance results, however, show a general tendency to an increase in corrosion kinetics after corrosion fatigue testing.The aim of this research was to study the stability of plasma-sprayed coated metal systems and to evaluate their susceptibility to the occurrence of corrosion fatigue. Hydroxylapatite plasma-sprayed coated samples of Ti-6Al-4V were studied under cyclic bending. During fatigue testing samples were immersed in a simulated physiological solution and mechanical and electrochemical degradation were monitored. Applied loads were intended to crack the ceramic coating and not the metal substrate. Electrochemical impedance spectroscopy was used to further characterize the electrochemical behaviour. No increase in tendency to corrode was detected in open-circuit corrosion fatigue testing. It appears as if the coating cracking does not increase metal substrate corrosion susceptibility. The coating integrity has been seriously affected, with marked decrease in thickness, due to the synergistic effect of load and presence of simulated body fluids environment. Impedance results, however, show a general tendency to an increase in corrosion kinetics after corrosion fatigue testing.
},
	keywords = {article, Bending (deformation), biomaterial, biomechanics, body fluid, Ceramic coatings, ceramics, controlled study, Corrosion, Corrosion fatigue, Corrosion susceptibility, Degradation, Electrochemical impedance spectroscopy, electrochemistry, fatigue, Fatigue testing, hydroxyapatite, impedance, mechanical stress, Physiological solutions, Plasma spraying, priority journal, sodium chloride, Solutions, Spectroscopy, Stability, Substrates, thickness, Titanium, Titanium alloys},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0028447410\&partnerID=40\&md5=f863751be3003b31534dd128601835f8},
	author = {Reis, R.L. and Monteiro, F.J. and Hastings, G.W.}
}
