



@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 {3388,
	title = {The interactions between municipal socioeconomic status and age on hip fracture risk},
	journal = {Osteoporosis International},
	volume = {26},
	year = {2015},
	note = {Times Cited: 0},
	month = {2015},
	pages = {489-498},
	isbn = {0937-941X},
	url = {<Go to ISI>://WOS:000349018700008},
	author = {Oliveira, C.M. and Economou, T. and Bailey, T. and Mendona, D. and Pina, M.F.}
}
@article {3295,
	title = {Adsorbed fibrinogen enhances production of bone- and angiogenic-related factors by monocytes/macrophages},
	journal = {Tissue Engineering - Part A},
	volume = {20},
	year = {2014},
	note = {Cited By (since 1996):1Export Date: 21 November 2014},
	month = {2014},
	pages = {250 - 263},
	abstract = {Macrophages are phagocytic cells with great importance in guiding multiple stages of inflammation and tissue repair. By producing a large number of biologically active molecules, they can affect the behavior of other cells and events, such as the foreign body response and angiogenesis. Since protein adsorption to biomaterials is crucial for the inflammatory process, we addressed the ability of the pro-inflammatory molecule fibrinogen (Fg) to modulate macrophage behavior toward tissue repair/regeneration. For this purpose, we used chitosan (Ch) as a substrate for Fg adsorption. Freshly isolated human monocytes were seeded on Ch substrates alone or previously adsorbed with Fg, and allowed to differentiate into macrophages for 10 days. Cell adhesion and morphology, formation of foreign body giant cells (FBGC), and secretion of a total of 80 cytokines and growth factors were evaluated. Both substrates showed similar numbers of adherent macrophages along differentiation as compared with RGD-coated surfaces, which were used as positive controls. Fg did not potentiate FBGC formation. In addition, actin cytoskeleton staining revealed the presence of punctuate F-actin with more elongated and interconnecting cells on Ch substrates. Antibody array screening and quantification of inflammation- and wound-healing-related factors indicated an overall reduction in Ch-based substrates versus RGD-coated surfaces. At late times, most inflammatory agents were down-regulated in the presence of Fg, in contrast to growth factor production, which was stimulated by Fg. Importantly, on Ch+Fg substrates, fully differentiated macrophages produced significant amounts of macrophage inflammatory protein-1delta (MIP-1δ), platelet-derived growth factor-BB, bone morphogenetic protein (BMP)-5, and BMP-7 compared with Ch alone. In addition, other important factors involved in bone homeostasis and wound healing, such as growth hormone, transforming growth factor-β3, and insulin-like growth factor-binding proteins, as well as several angiogenic mediators, including endocrine gland-derived vascular endothelial factor, fibroblast growth factor-7, and placental growth factor, were significantly promoted by Fg. This work provides a new perspective on the inflammatory response in the context of bone repair/regeneration mediated by a pro-inflammatory protein (Fg) adsorbed onto a biomaterial (Ch) that does not otherwise exhibit osteogenic properties. {\textcopyright} Copyright 2014, Mary Ann Liebert, Inc.},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84891526984\&partnerID=40\&md5=bf455ae8d2df37fe5c29d41156c8096a},
	author = {Maciel, J. and Oliveira, M.I. and Colton, E. and McNally, A.K. and Oliveira, C. and Anderson, J.M. and Barbosa, M.A.}
}
@article {3263,
	title = {Age-period-cohort effects in the incidence of hip fractures: Political and economic events are coincident with changes in risk},
	journal = {Osteoporosis International},
	volume = {25},
	year = {2014},
	note = {Cited By (since 1996):1Export Date: 21 November 2014},
	month = {2014},
	pages = {711 - 720},
	abstract = {Summary: An age-period cohort model was fitted to analyse time effects on hip fracture incidence rates by sex (Portugal, 2000-2008). Rates increased exponentially with age (age effect). Incidence rates decreased after 2004 for women and were random for men (period effect). New but comprehensive fluctuations in risk were coincident with major political/economic changes (cohort effect). Introduction: Healthcare improvements have allowed prevention but have also increased life expectancy, resulting in more people being at risk. Our aim was to analyse the separate effects of age, period and cohort on incidence rates by sex in Portugal, 2000-2008. Methods: From the National Hospital Discharge Register, we selected admissions (aged >=49 years) with hip fractures (ICD9-CM, codes 820.x) caused by low/moderate trauma (falls from standing height or less), readmissions and bone cancer cases. We calculated person-years at risk using population data from Statistics Portugal. To identify period and cohort effects for all ages, we used an age-period-cohort model (1-year intervals) followed by generalised additive models with a negative binomial distribution of the observed incidence rates of hip fractures. Results: There were 77,083 hospital admissions (77.4\% women). Incidence rates increased exponentially with age for both sexes (age effect). Incidence rates fell after 2004 for women and were random for men (period effect). There was a general cohort effect similar in both sexes; risk of hip fracture altered from an increasing trend for those born before 1930 to a decreasing trend following that year. Risk alterations (not statistically significant) coincident with major political and economic change in the history of Portugal were observed around birth cohorts 1920 (stable-increasing), 1940 (decreasing-increasing) and 1950 (increasing-decreasing only among women). Conclusions: Hip fracture risk was higher for those born during major economically/politically unstable periods. Although bone quality reflects lifetime exposure, conditions at birthmay determine future risk for hip fractures. {\textcopyright} International Osteoporosis Foundation and National Osteoporosis Foundation 2013.},
	keywords = {Age-period-cohort, Hip fractures, Osteoporosis, Population-based study, Time trend},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84899095788\&partnerID=40\&md5=8a5587d6365266284e4fbc4e2be28e7d},
	author = {Alves, S.M. and Castiglione, D. and Oliveira, C.M. and de Sousa, B. and Pina, M.F.}
}
@article {3411,
	title = {A critical appraisal of the evidence for using cardiotocography plus ECG ST interval analysis for fetal surveillance in labor. Part I: the randomized controlled trials},
	journal = {Acta Obstetricia Et Gynecologica Scandinavica},
	volume = {93},
	year = {2014},
	note = {Si},
	month = {2014},
	pages = {556-568},
	url = {<Go to ISI>://WOS:000337566200007},
	author = {Olofsson, Per and Ayres-de-Campos, Diogo and Kessler, Joerg and Tendal, Britta and Yli, Branka M. and Devoe, Lawrence}
}
@article {3161,
	title = {Dissecting the signaling pathways associated with the oncogenic activity of MLK3 P252H mutation},
	journal = {Bmc Cancer},
	volume = {14},
	year = {2014},
	note = {Times Cited: 0},
	month = {2014},
	isbn = {1471-2407},
	url = {<Go to ISI>://WOS:000333421700002},
	author = {Velho, Sergia and Pinto, Ana and Licastro, Danilo and Oliveira, Maria Jose and Sousa, Filipa and Stupka, Elia and Seruca, Raquel}
}
@booklet {3260,
	title = {Impact of 3-D printed PLA- and chitosan-based scaffolds on human monocyte/macrophage responses: Unraveling the effect of 3-D structures on inflammation},
	howpublished = {Acta Biomaterialia},
	volume = {10},
	year = {2014},
	note = {Cited By (since 1996):2Export Date: 21 November 2014},
	month = {2014},
	pages = {613 - 622},
	abstract = {Recent studies have pointed towards a decisive role of inflammation in triggering tissue repair and regeneration, while at the same time it is accepted that an exacerbated inflammatory response may lead to rejection of an implant. Within this context, understanding and having the capacity to regulate the inflammatory response elicited by 3-D scaffolds aimed for tissue regeneration is crucial. This work reports on the analysis of the cytokine profile of human monocytes/macrophages in contact with biodegradable 3-D scaffolds with different surface properties, architecture and controlled pore geometry, fabricated by 3-D printing technology. Fabrication processes were optimized to create four different 3-D platforms based on polylactic acid (PLA), PLA/calcium phosphate glass or chitosan. Cytokine secretion and cell morphology of human peripheral blood monocytes allowed to differentiate on the different matrices were analyzed. While all scaffolds supported monocyte/macrophage adhesion and stimulated cytokine production, striking differences between PLA-based and chitosan scaffolds were found, with chitosan eliciting increased secretion of tumor necrosis factor (TNF)-α, while PLA-based scaffolds induced higher production of interleukin (IL)-6, IL-12/23 and IL-10. Even though the material itself induced the biggest differences, the scaffold geometry also impacted on TNF-α and IL-12/23 production, with chitosan scaffolds having larger pores and wider angles leading to a higher secretion of these pro-inflammatory cytokines. These findings strengthen the appropriateness of these 3-D platforms to study modulation of macrophage responses by specific parameters (chemistry, topography, scaffold architecture). {\textcopyright} 2013 Acta Materialia Inc.},
	keywords = {3-D scaffolds, Human macrophages, Inflammation, Rapid prototyping, Tissue engineering},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84896505907\&partnerID=40\&md5=948f87b684be751bc6eb444e28ce6025},
	author = {Almeida, C.R. and Serra, T. and Oliveira, M.I. and Planell, J.A. and Barbosa, M.A. and Navarro, M.}
}
@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 {3291,
	title = {Neonatal human dermal fibroblasts immobilized in RGD-alginate induce angiogenesis},
	journal = {Cell Transplantation},
	volume = {23},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {945 - 957},
	abstract = {Promoting angiogenesis in a damaged tissue is a major challenge for tissue regeneration. Recent findings in tissue engineering suggest that fibroblasts (FBs) play an important role in orchestrating the angiogenic process. Fibroblasts maintain the structural integrity of connective tissue by continuously secreting growth factors and extracellular matrix precursors, which are essential for endothelial cell (EC) adhesion and spreading, thus playing a crucial role in angiogenesis. We hypothesized that FBs immobilized in alginate gels grafted with the RGD peptidic sequence could influence the recruitment of ECs to improve vascularization. In this work, the modulation of immobilized human FBs within the 3D synthetic extracellular matrix was assessed. Experiments using cocultures of ECs and FBs in indirect contact as well as angiogenic assays were performed to assess the influence of FBs immobilized in RGD-alginate in ECs{\textquoteright} viability, stabilization, sprouting, and assembly into capillary-like structures. This study demonstrates the ability of FBs immobilized within RGD-alginate microspheres to modulate and support capillary-like structures{\textquoteright} assembly. These findings indicate that the microenvironment created by these stromal cells in the scaffold modulates capillary morphogenesis, thus stimulating angiogenesis in situ and can potentially be used in regenerative medicine in clinical scenarios where vascularization is essential. {\textcopyright} 2014 Cognizant Comm. Corp.},
	keywords = {Alginate, angiogenesis, Endothelial cells (ECs), Fibroblasts (FBs), RGD peptide: Injectable biomaterials},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84905231059\&partnerID=40\&md5=8ca92aea469585cbf168cb6fbad9d3ad},
	author = {Guerreiro, S.G. and Oliveira, M.J. and Barbosa, M.A. and Soares, R. and Granja, P.L.}
}
@article {3293,
	title = {The predominance of M2-polarized macrophages in the stroma of low-hypoxic bladder tumors is associated with BCG immunotherapy failure},
	journal = {Urologic Oncology: Seminars and Original Investigations},
	volume = {32},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {449 - 457},
	abstract = {Objective: Bacillus Calmette-Gu{\'e}rin (BCG) immunotherapy is the gold standard treatment for superficial bladder tumors with intermediate/high risk of recurrence or progression. However, approximately 30\% of patients fail to respond to the treatment. Effective BCG therapy needs precise activation of the type 1 helper cells immune pathway. Tumor-associated macrophages (TAMs) often assume an immunoregulatory M2 phenotype and may directly interfere with the BCG-induced antitumor immune response. Thus, we aim to clarify the influence of TAMs, in particular of the M2 phenotype in stroma and tumor areas, in BCG treatment outcome. Patients and methods: The study included 99 patients with bladder cancer treated with BCG. Tumors resected before treatment were evaluated using immunohistochemistry for CD68 and CD163 antigens, which identify a lineage macrophage marker and a M2-polarized specific cell surface receptor, respectively. CD68+ and CD163+ macrophages were evaluated within the stroma and tumor areas, and high density of infiltrating cells spots were selected for counting. Hypoxia, an event known to modulate macrophage phenotype, was also assessed through hypoxia induced factor (HIF)-1α expression. Results: Patients in whom BCG failed had high stroma-predominant CD163+ macrophage counts (high stroma but low tumor CD163+ macrophages counts) when compared with the ones with a successful treatment (71\% vs. 47\%, P = 0.017). Furthermore, patients presenting this phenotype showed decreased recurrence-free survival (log rank, P = 0.008) and a clear 2-fold increased risk of BCG treatment failure was observed in univariate analysis (hazard ratio = 2.343; 95\% CI: 1.197-4.587; P = 0.013). Even when adjusted for potential confounders, such as age and therapeutic scheme, multivariate analysis revealed 2.6-fold increased risk of recurrence (hazard ratio = 2.627; 95\% CI: 1.340-5.150; P = 0.005). High stroma-predominant CD163+ macrophage counts were also associated with low expression of HIF-1α in tumor areas, whereas high counts of CD163+ in the tumor presented high expression of HIF-1α in tumor nests. Conclusions: TAMs evaluation using CD163 is a good indicator of BCG treatment failure. Moreover, elevated infiltration of CD163+ macrophages, predominantly in stroma areas but not in the tumor, may be a useful indicator of BCG treatment outcome, possibly owing to its immunosuppressive phenotype. {\textcopyright} 2014 Elsevier Inc.},
	keywords = {BCG immunotherapy, Bladder cancer, CD163, CD68, Tumor-associated macrophages},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84899473274\&partnerID=40\&md5=4716f90a43e05e83d41df6d643097edd},
	author = {Lima, L. and Oliveira, D. and Tavares, A. and Amaro, T. and Cruz, R. and Oliveira, M.J. and Ferreira, J.A. and Santos, L.}
}
@article {3267,
	title = {Rescue of wild-type E-cadherin expression from nonsense-mutated cancer cells by a suppressor-tRNA},
	journal = {European Journal of Human Genetics},
	volume = {22},
	year = {2014},
	note = {Export Date: 21 November 2014},
	month = {2014},
	pages = {1085 - 1092},
	abstract = {Hereditary diffuse gastric cancer (HDGC) syndrome, although rare, is highly penetrant at an early age, and is severe and incurable because of ineffective screening tools and therapy. Approximately 45\% of HDGC families carry germline CDH1/E-cadherin alterations, 20\% of which are nonsense leading to premature protein truncation. Prophylactic gastrectomy is the only recommended approach for all asymptomatic CDH1 mutation carriers. Suppressor-tRNAs can replace premature stop codons (PTCs) with a cognate amino acid, inducing readthrough and generating full-length proteins. The use of suppressor-tRNAs in HDGC patients could therefore constitute a less invasive therapeutic option for nonsense mutation carriers, delaying the development of gastric cancer. Our analysis revealed that 23/108 (21.3\%) of E-cadherin-mutant families carried nonsense mutations that could be potentially corrected by eight suppressor-tRNAs, and arginine was the most frequently affected amino acid. Using site-directed mutagenesis, we developed an arginine suppressor-tRNA vector to correct one HDGC nonsense mutation. E-cadherin-deficient cell lines were transfected with plasmids carrying simultaneously the suppressor-tRNA and wild-type or mutant CDH1 mini-genes. RT-PCR, western blot, immunofluorescence, flow cytometry and proximity ligation assay (PLA) were used to establish the model, and monitor mRNA and protein expression and function recovery from CDH1 vectors. Cells expressing a CDH1 mini-gene, carrying a nonsense mutation and the suppressor-tRNA, recovered full-length E-cadherin expression and its correct localization and incorporation into the adhesion complex. This is the first demonstration of functional recovery of a mutated causative gene in hereditary cancer by cognate amino acid replacement with suppressor-tRNAs. Of the HDGC families, 21.3\% are candidates for correction with suppressor-tRNAs to potentially delay cancer onset. {\textcopyright} 2014 Macmillan Publishers Limited. All rights reserved.},
	keywords = {hereditary diffuse gastric cancer (HDGC), nonsense suppression, Premature termination codon (PTC), Suppressor-tRNA},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84906269658\&partnerID=40\&md5=2feed844660a13385857a7e5d4470a2b},
	author = {Bordeira-Carri{\c c}o, R. and Ferreira, D. and Mateus, D.D. and Pinheiro, H. and P{\^e}go, A.P. and Santos, M.A.S. and Oliveira, C.}
}
@article {3254,
	title = {Resveratrol as a Natural Anti-Tumor Necrosis Factor-alpha Molecule: Implications to Dendritic Cells and Their Crosstalk with Mesenchymal Stromal Cells},
	journal = {Plos One},
	volume = {9},
	year = {2014},
	month = {2014},
	url = {<Go to ISI>://WOS:000332839300122},
	author = {Silva, Andreia M. and Oliveira, Marta I. and Sette, Laura and Almeida, Catarina R. and Oliveira, Maria J. and Barbosa, Mario A. and Santos, Susana G.}
}
@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 {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 {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 {2837,
	title = {Development and validation method for simultaneous quantification of phenolic compounds in natural extracts and nanosystems},
	journal = {Phytochemical Analysis},
	volume = {24},
	year = {2013},
	note = {Export Date: 12 December 2013Source: Scopus},
	month = {2013///},
	pages = {638 - 644},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84886723210\&partnerID=40\&md5=eb1de8e3010b22c26b7ddd2e09eef6a7},
	author = {Da Silva, S.B. and Oliveira, A. and Ferreira, D. and Sarmento, B. and Pintado, 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 {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 {2776,
	title = {Fibrinogen promotes resorption of chitosan by human osteoclasts},
	journal = {Acta Biomaterialia},
	volume = {9},
	year = {2013},
	note = {Export Date: 23 May 2013Source: ScopusArticle in Press},
	month = {2013///},
	pages = {6553-6562},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84873739793\&partnerID=40\&md5=5114933c69d12bf99e9785aca23b3011},
	author = {Torres, A.L. and Santos, S.G. and Oliveira, M.I. and Barbosa, M.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 {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.}
}
@booklet {2190,
	title = {Bioengineered surfaces to improve the blood compatibility of biomaterials through direct thrombin inactivation},
	howpublished = {Acta BiomaterialiaActa Biomater.},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusArticle in Pressdoi: 10.1016/j.actbio.2012.07.020Language of Original Document: EnglishCorrespondence Address: Martins, M.C.L.; INEB - Instituto de Engenharia Biom{\'e}dica, Universidade do Porto, Rua do Campo Alegre 823, 415email: cmartins@ineb.up.pt},
	month = {2012///},
	abstract = {Thrombus formation, due to thrombin generation, is a major problem affecting blood-contacting medical devices. This work aimed to develop a new strategy to improve the hemocompatibility of such devices by the immobilization of a naturally occurring thrombin inhibitor into a nanostructured surface. Boophilin, a direct thrombin inhibitor from the cattle tick Rhipicephalus microplus, was produced as a recombinant protein in Pichia pastoris. Boophilin was biotinylated and immobilized on biotin-terminated self-assembled monolayers (SAM) via neutravidin. In order to maintain its proteinase inhibitory capacity after surface immobilization, boophilin was biotinylated after the formation of a boophilin-thrombin complex to minimize the biotinylation of the residues involved in thrombin-boophilin interaction. The extent of boophilin biotinylation was determined using matrix-assisted laser desorption/ionization-time of flight/time of flight mass spectrometry. Boophilin immobilization and thrombin adsorption were quantified using quartz crystal microbalance with dissipation. Thrombin competitive adsorption from human serum was assessed using                        125I-thrombin. Thrombin inhibition and plasma clotting time were determined using spectrophotometric techniques. Boophilin-coated SAM were able to promote thrombin adsorption in a selective way, inhibiting most of its activity and delaying plasma coagulation in comparison with boophilin-free surfaces, demonstrating boophilin{\textquoteright}s potential to improve the hemocompatibility of biomaterials used in the production of blood-contacting devices. {\textcopyright} 2012 Acta Materialia Inc.
},
	keywords = {Coagulation, Hemocompatibility, Protein adsorption, Surface functionalization, Thrombin},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84865246462\&partnerID=40\&md5=278b2e7d1427a6032eba9ecbd01c3872},
	author = {Freitas, S.C. and Cereija, T.B. and Figueiredo, A.C. and Os{\'o}rio, H. and Pereira, P.J.B. and Barbosa, M.A. and Martins, M.C.L.}
}
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	title = {Cancer syndromes and therapy by stop-codon readthrough},
	journal = {Trends in Molecular MedicineTrends Mol. Med.},
	volume = {18},
	year = {2012},
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},
	month = {2012///},
	pages = {667 - 678},
	abstract = {Several hereditary cancer syndromes are associated with nonsense mutations that create premature termination codons (PTC). Therapeutic strategies involving readthrough induction partially restore expression of proteins with normal function from nonsense-mutated genes, and small molecules such as aminoglycosides and PTC124 have exhibited promising results for treating patients with cystic fibrosis and Duchenne muscular dystrophy. Transgenic expression of suppressor-tRNAs and depleting translation termination factors are, among others, potential strategies for treating PTC-associated diseases. In this review, the potential of using readthrough strategies as a therapy for cancer syndromes is discussed, and we consider the effect of nonsense-mediated decay and other factors on readthrough efficiency. {\textcopyright} 2012 Elsevier Ltd.},
	keywords = {Aminoglycosides, Hereditary cancer syndromes, Nonsense-mediated decay (NMD), Nonsense-suppression, Premature termination codon (PTC), PTC124, Readthrough, Suppressor-tRNA},
	isbn = {14714914 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84868212770\&partnerID=40\&md5=93ff561cb7d1c818f78a88ec1555181e},
	author = {Bordeira-Carri{\c c}o, R. and P{\^e}go, A.P. and Santos, M. and Oliveira, C.}
}
@article {2180,
	title = {Chitosan drives anti-inflammatory macrophage polarisation and pro-inflammatory dendritic cell stimulation.},
	journal = {European cells \& materialsEur Cell Mater},
	volume = {24},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusPubMed ID: 22828991Language of Original Document: EnglishCorrespondence Address: Oliveira, M.I.Chemicals/CAS: chitosan, 9012-76-4; Antigens, CD86; Biocompatible Materials; Chitosan, 9012-76-4; Histocompatibility Antigens Class II; IL10 protein, human; Interleukin-10, 130068-27-8; Transforming Growth Factor beta1; Tumor Necrosis Factor-alpha},
	month = {2012///},
	pages = {136 - 152; discussion 152-153},
	abstract = {Macrophages and dendritic cells (DC) share the same precursor and play key roles in immunity. Modulation of their behaviour to achieve an optimal host response towards an implanted device is still a challenge. Here we compare the differentiation process and polarisation of these related cell populations and show that they exhibit different responses to chitosan (Ch), with human monocyte-derived macrophages polarising towards an anti-inflammatory phenotype while their DC counterparts display pro-inflammatory features. Macrophages and DC, whose interactions with biomaterials are frequently analysed using fully differentiated cells, were cultured directly on Ch films, rather than exposed to the polymer after complete differentiation. Ch was the sole stimulating factor and activated both macrophages and DC, without leading to significant T cell proliferation. After 10 d on Ch, macrophages significantly down-regulated expression of pro-inflammatory markers, CD86 and MHCII. Production of pro-inflammatory cytokines, particularly TNF-α, decreased with time for cells cultured on Ch, while anti-inflammatory IL-10 and TGF-β1, significantly increased. Altogether, these results suggest an M2c polarisation. Also, macrophage matrix metalloproteinase activity was augmented and cell motility was stimulated by Ch. Conversely, DC significantly enhanced CD86 expression, reduced IL-10 secretion and increased TNF-α and IL-1β levels. Our findings indicate that cells with a common precursor may display different responses, when challenged by the same biomaterial. Moreover, they help to further comprehend macrophage/DC interactions with Ch and the balance between pro- and anti-inflammatory signals associated with implant biomaterials. We propose that an overall pro-inflammatory reaction may hide the expression of anti-inflammatory cytokines, likely relevant for tissue repair/regeneration.},
	keywords = {antibody specificity, Antigens, CD86, article, Biocompatible Materials, biomaterial, biosynthesis, CD86 antigen, Cell culture, cell differentiation, cell motion, Cell Movement, Cells, Cultured, chitosan, cytology, dendritic cell, Dendritic Cells, drug effect, flow cytometry, Histocompatibility Antigens Class II, HLA antigen class 2, human, Humans, IL10 protein, human, immunology, interleukin 10, Interleukin-10, macrophage, Macrophages, metabolism, monocyte, Monocytes, Organ Specificity, transforming growth factor beta1, tumor necrosis factor alpha, Tumor Necrosis Factor-alpha},
	isbn = {14732262 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84868253478\&partnerID=40\&md5=5a496411709ccbe5d3d70de13b58b08a},
	author = {Oliveira, M.I. and Santos, S.G. and Oliveira, M.J. and Torres, A.L. and Barbosa, M.A.}
}
@article {2189,
	title = {E-cadherin dysfunction in gastric cancer - Cellular consequences, clinical applications and open questions},
	journal = {FEBS LettersFEBS Lett.},
	volume = {586},
	year = {2012},
	note = {Export Date: 21 November 2012Source: ScopusCODEN: FEBLAdoi: 10.1016/j.febslet.2012.07.045PubMed ID: 22841718Language of Original Document: EnglishCorrespondence Address: Seruca, R.; IPATIMUP, Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; email: rseruca@ipatimup.ptChemicals/CAS: uvomorulin, 112956-45-3; CadherinsReferences: Milne, A.N., Carneiro, F., O{\textquoteright}Morain, C., Offerhaus, G.J., Nature meets nurture: Molecular genetics of gastric cancer (2009) Hum. Genet., 126, pp. 615-628. , 10.1007/s00439-009-0722-x;Lauren, P., The Two Histological Main Types of Gastric Carcinoma: Diffuse and So-Called Intestinal-Type Carcinoma. An Attempt at a Histo-Clinical Classification (1965) Acta. Pathol. Microbiol. Scand., 64, pp. 31-49; 
Hudler, P., Genetic aspects of gastric cancer instability (2012) ScientificWorldJournal, 2012, p. 761909. , 10.1100/2012/761909; 
Oliveira, C., Seruca, R., Carneiro, F., Genetics, pathology, and clinics of familial gastric cancer (2006) Int. J. Surg. Pathol., 14, pp. 21-33; 
Lynch, H.T., Grady, W., Suriano, G., Huntsman, D., Gastric cancer: New genetic developments (2005) J Surg. Oncol., 90, pp. 114-133. , 10.1002/jso.20214 discussion 133; 
Carneiro, F., Amado, M., David, L., Clausen, H., Sobrinho-Simoes, M., Glycosylation features of gastric carcinoma initiation and progression. A review with emphasis on simple mucin-type carbohydrates and histo-blood group antigens of the Lewis system (1994) Eur. J. Cancer Prev., 3 (SUPPL. 2), pp. 39-46; 
Zheng, L., Wang, L., Ajani, J., Xie, K., Molecular basis of gastric cancer development and progression (2004) Gastric Cancer, 7, pp. 61-77. , 10.1007/s10120-004-0277-4; 
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},
	month = {2012///},
	pages = {2981 - 2989},
	abstract = {E-cadherin plays a major role in cell-cell adhesion and inactivating germline mutations in its encoding gene predispose to hereditary diffuse gastric cancer. Evidence indicates that aside from its recognized role in early tumourigenesis, E-cadherin is also pivotal for tumour progression, including invasion and metastization. Herein, we discuss E-cadherin alterations found in a cancer context, associated cellular effects and signalling pathways, and we raise new key questions that will impact in the management of GC patients and families. {\textcopyright} 2012 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.},
	keywords = {Adhesion, Cadherins, cancer growth, cancer invasion, cancer patient, cancer susceptibility, cell adhesion, complex formation, conference paper, E-cadherin, embryo development, endocytosis, epigenetics, epithelial mesenchymal transition, Gastric cancer, gene mutation, gene silencing, genetic susceptibility, Germ-Line Mutation, HDGC, Helicobacter infection, Helicobacter Infections, Helicobacter pylori, histone deacetylase inhibitor, human, Humans, Invasion, metastasis, molecular pathology, nonhuman, priority journal, protein analysis, protein depletion, protein expression, protein function, protein structure, regulatory mechanism, signal transduction, Signalling, stomach cancer, stomach carcinogenesis, Stomach Neoplasms, Tumour, uvomorulin},
	isbn = {00145793 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864922992\&partnerID=40\&md5=455ae054dc6c8f95dc9e81d77fec1ad9},
	author = {Carneiro, P. and Fernandes, M.S. and Figueiredo, J. and Caldeira, J. and Carvalho, J. and Pinheiro, H. and Leite, M. and Melo, S. and Oliveira, P. and Sim{\~o}es-Correia, J. and Oliveira, M.J. and Carneiro, F. and Figueiredo, C. and Paredes, J. and Oliveira, C. and Seruca, R.}
}
@article {2187,
	title = {The effect of adsorbed fibronectin and osteopontin on macrophage adhesion and morphology on hydrophilic and hydrophobic model surfaces},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {8},
	year = {2012},
	note = {Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2012.06.010Language of Original Document: EnglishCorrespondence Address: Barbosa, M.A.; INEB - Instituto de Engenharia Biom{\'e}dica, Universidade Do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: mbarbosa@ineb.up.ptChemicals/CAS: fibronectin, 86088-83-7; gold, 7440-57-5; osteopontin, 106441-73-0References: Anderson, J.M., Biological responses to materials (2001) Annu Rev Mater Res, 31, pp. 81-110;Horbett, T.A., Brash, J.L., Proteins at interfaces: Current issues and future prospects (1987) Proteins at Interfaces, pp. 1-33; 
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},
	month = {2012///},
	pages = {3669 - 3677},
	abstract = {Macrophages play a crucial role in the host response to biomaterials. Here we investigated the effect of adsorbed fibronectin (FN) and osteopontin (OPN), two important proteins for tissue repair, on macrophage adhesion and morphology. Since cell-biomaterial interactions are modulated via proteins adsorbed onto biomaterial surfaces, FN and OPN were adsorbed on model self-assembled monolayers (SAMs) of alkanethiols on gold with different functional terminal groups (CH                        3, OH and tetra(ethylene-glycol)). The initial interaction of inflammatory cells with a biomaterial is crucial for the ensuing phases of an inflammatory reaction. For this reason short-term cultures of primary human macrophages were performed. To account for the competitive adsorption of other proteins serum was added to the culture medium and the effect compared with serum-free medium cultures. In the presence of serum hydrophilic surfaces increased macrophage adhesion. In particular, FN induced a higher cell density, while OPN tended to decrease it. In serum-free medium cell adhesion was greater on hydrophobic surfaces, except for OPN-coated SAMs. Importantly, FN no longer enhanced macrophage adhesion, while OPN maintained its inhibitory effect. Cell polarization studies indicated that macrophage morphology variations induced by surface chemistry are overcome by pre-adsorbed OPN. Taken together our results show that in the presence of serum macrophage adhesion is promoted by FN hydrophilic surfaces, but impaired on OPN-coated surfaces. The effects of inhibited macrophage adhesion on macrophage fusion, and its relevance to the initial stages of the inflammatory response to biomaterials are discussed. {\textcopyright} 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
},
	keywords = {alkane, article, biomaterial, Biomaterials, cell adhesion, cell density, cell interaction, cell structure, controlled study, culture medium, cytoskeleton, Fibronectin, functional group, gold, human, human cell, hydrophilicity, hydrophobicity, inflammatory cell, macrophage, Macrophages, nanomaterial, Osteopontin, priority journal, self assembled monolayer, Self-assembled monolayers, Tetra, thiol, tissue repair},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84865455542\&partnerID=40\&md5=9d34fb780e9ce53b424143b0f3eefb97},
	author = {Maciel, J. and Oliveira, M.I. and Gonalves, R.M. 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},
	note = {Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: BBACEdoi: 10.1016/j.bbcan.2012.05.002Language of Original Document: EnglishCorrespondence Address: Seruca, R.; IPATIMUP, Institute of Molecular Pathology and Immunology, University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; email: rseruca@ipatimup.ptChemicals/CAS: uvomorulin, 112956-45-3Tradenames: pf 03732010References: Cavallaro, U., Christofori, G., Cell adhesion and signalling by cadherins and Ig-CAMs in cancer (2004) Nat. Rev. Cancer, 4, pp. 118-132;Gerrow, K., El-Husseini, A., Cell adhesion molecules at the synapse (2006) Front. Biosci., 11, pp. 2400-2419; 
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Gregory, D.J., Mikhaylova, L., Fedulov, A.V., Selective DNA demethylation by fusion of TDG with a sequence-specific DNA-binding domain (2012) Epigenetics, 7; 
Zhang, C.C., Yan, Z., Zhang, Q., Kuszpit, K., Zasadny, K., Qiu, M., Painter, C.L., VanArsdale, T., PF-03732010: a fully human monoclonal antibody against P-cadherin with antitumor and antimetastatic activity (2010) Clin. Cancer Res., 16, pp. 5177-5188
},
	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.}
}
@article {2196,
	title = {A novel nanoparticle delivery system for in vivo targeting of the sciatic nerve: Impact on regeneration},
	journal = {NanomedicineNanomedicine},
	volume = {7},
	year = {2012},
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},
	month = {2012///},
	pages = {1167 - 1180},
	abstract = {Aim: Innovative solutions in the development of drug delivery systems targeting the nerve tissue are awaited. In this regard, a novel system for the delivery of drugs to the sciatic nerve was created using nanomedical principles. Materials \& methods: Chitosan was the vehicle material used in the experiment. Heparin bound to growth factors has been administered to enhance peripheral nerve regeneration, and since heparin possesses the appropriate charge to be able to form nanoparticles with chitosan, it appears to be a good candidate to base this new delivery system on. Results: Maximal absorption took place throughout the extracellular matrix at day 15. No major inflammatory response was observed, indicating that this is a safe and biocompatible system for drug delivery to nerves. Sensorimotor performance and nerve regeneration of mice receiving these nanoparticles were superior as compared with controls. Conclusion: Our work demonstrates a versatile nanoparticle delivery system that successfully targets drugs {\textquoteright}in vivo to the sciatic nerve, opening novel avenues in the field of nanomedicine to the design of therapeutic strategies that enhance axonal regeneration. {\textcopyright} 2012 Future Medicine Ltd.},
	keywords = {chitosan, drug delivery system, heparin, nanomedicine, nanoparticles, peripheral nerve regeneration, sciatic nerve},
	isbn = {17435889 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84868111412\&partnerID=40\&md5=5db0c76b3a921ca70565c9f3f63cf004},
	author = {Gon{\c c}alves, N.P. and Oliveira, H. and P{\^e}go, A.P. and Saraiva, M.J.}
}
@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}
}
@conference {2200,
	title = {Proactive engineering},
	booktitle = {IEEE Global Engineering Education Conference, EDUCONIEEE Global Eng. Edu. Conf., EDUCON},
	series = {2012 IEEE Global Engineering Education Conference, EDUCON 2012},
	year = {2012},
	note = {Conference code: 91215Export Date: 21 November 2012Source: ScopusArt. No.: 6201104doi: 10.1109/EDUCON.2012.6201104Language of Original Document: EnglishCorrespondence Address: Duarte, C.; INESC TEC (Formerly INESC Porto), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 378, 4200-465 Porto, PortugalReferences: Gheorghe, C., Covrig, M., Uncuta, S., Popescu, M., Does the implementation of the Bologna process in higher technical education require a new approach to motivate the actors involved in the educational process? (2011) 7th International Symposium on Advanced Topics in Electrical Engineering (ATEE{\textquoteright}2011), pp. 1-4. , May;(2011) Microelectronics Students{\textquoteright} Group, , http://usgroup.eu; 
(2011) BioStar, , http://biostar.fe.up.pt; 
Coke, P., Duarte, C., Cardoso, A., Tavares, V.G., De Oliveira, P.G., Network Infrastructure for academic IC CAD environments (2011) IEEE International Conference on Computer As A Tool (EUROCON{\textquoteright}2011), pp. 1-4. , Apr; 
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Magalh{\~a}es, F., Oliveira, H.P., Matos, H., Campilho, A., (2011) HGC2011-Hand Geometric Points Detection Competition, , http://www.fe.up.pt/-hgc2011/; 
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Dias, D., (2011) Computational Vision Applied to the Segmentation and Morphmetric Characterization of the Sciatic Nerve in Microscopic Images, , M.Sc. Thesis, Faculdade de Engenharia, Universidade do Porto, Jul; 
Martins, D., (2011) Biometric Recognition Based on the Texture Along Palmprint Principal Lines, , M.Sc. Thesis, Faculdade de Engenharia, Universidade do Porto, Jul; 
Matos, H., (2011) Hand Geometry Based Recognition System, , M.Sc. Thesis, Faculdade de Engenharia, Universidade do Porto, Jan; 
Soares, J., (2011) Uncalibrated Stereo Vision Applied to Breast Cancer Treatment Aesthetic Assessment, , M.Sc. Thesis, Faculdade de Engenharia, Universidade do Porto, Jul; 
Matos, H., Magalh{\~a}es, F., Oliveira, H.P., Cardoso, J.S., Hand geometry based recognition system-A new method with no constraints on image acquisition (2011) Proceedings of the 4th Meeting of Young Researchers of the University of Porto; 
Gaspar, D., Bre, L., Bishoff, N., Domingues, I., Mammograms image processing (2011) Proceedings of the 4th Meeting of Young Researchers of the University of Porto; 
Magalh{\~a}es, F., Oliveira, H.P., Campilho, A.C., A new method for the detection of singular points in fingerprint images (2009) Proceedings of the IEEE Workshop on Applications of Computer Vision, pp. 157-162; 
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Oliveira, H.P., Magalhaes, A., Cardoso, M.J., Cardoso, J.S., An accurate and interpretable model for BCCT.core (2010) Proceedings of the 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pp. 6158-6161; 
(2011) IJUP-Junior Reasearch at UP, , http://ijup.up.pt, University of Porto
},
	month = {2012///},
	address = {Marrakech},
	abstract = {This paper presents two initiatives run by groups of engineering students at the University of Porto: the Microelectronics Students{\textquoteright} Group and BioStar. These groups are student-led initiatives that promote different scientific fields through self-guided projects. Both experiences have proven to be very successful in increasing the undergraduate student{\textquoteright}s interest in science and technology. This work reports the activities, organization and main methodologies employed by these groups, which can be seen as successful approaches to enhance the technical curriculum of students. {\textcopyright} 2012 IEEE.},
	keywords = {Curricula, Engineering education, Microelectronics, Project based learning, project-based learning, Science and Technology, Scientific fields, student-led initiatives, Students, Undergraduate students},
	isbn = {21659559 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84864143084\&partnerID=40\&md5=3b616738c3bc4fbca798784210235f95},
	author = {Duarte, C. and Oliveira, H.P. and Magalhaes, F. and Tavares, V.G. and Campilho, A.C. and De Oliveira, P.G.}
}
@article {2212,
	title = {Synthesis of an O-alkynyl-chitosan and its chemoselective conjugation with a PEG-like amino-azide through click chemistry},
	journal = {Carbohydrate PolymersCarbohydr Polym},
	volume = {87},
	year = {2012},
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},
	month = {2012///},
	pages = {240 - 249},
	abstract = {N-Phthaloyl-chitosan O-prop-2-ynyl carbamate was prepared as a biopolymer amenable to undergo chemoselective conjugation by azide-alkyne coupling, while allowing upturn of chitosan{\textquoteright}s amines after dephthaloylation. N-phthaloylchitosan was prepared according to previously described methods and, due to its low solubility in current organic media, subsequent modifications were run in heterogeneous conditions. Activation of hydroxyls with carbonyl-1,1'- diimidazole and coupling to propargylamine yielded N-phthaloyl-chitosan O-prop-2-ynyl carbamate, then coupled to a model PEG-like azide by azide-alkyne coupling, giving the expected triazolyl conjugate. N-Dephthaloylation allowed recovery of the free amines, responsible for chitosan{\textquoteright}s bioadhesion and tissue-regeneration properties. The structures of all polymers were confirmed by Fourier-transformed infra-red (FT-IR) and X-ray photoelectron (XPS) spectroscopies, as well as by solid-state nuclear magnetic resonance (SSNMR). All chitosan derivatives were poorly soluble in both aqueous and organic media, which makes them suitable for topical applications or for removal of toxic substances from either the gastric intestinal tract or environmental sources. {\textcopyright} 2011 Elsevier Ltd. All Rights Reserved.},
	keywords = {1 ,3-Dipolarcycloaddition, Acetylene, Amines, Azide-alkyne coupling, Bio-adhesion, Bioadhesion, Biomaterials, chitosan, click chemistry, Cycloaddition, FTIR, Huisgen{\textquoteright}s 1,3-dipolar cycloaddition, Nuclear magnetic resonance, Nuclear magnetic resonance spectroscopy, Photoelectron spectroscopy, Resonance, Size exclusion chromatography, Size-exclusion chromatography, Solid state NMR, Solid-state NMR, Tissue, X ray photoelectron spectroscopy, XPS},
	isbn = {01448617 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-80054771159\&partnerID=40\&md5=3760f41563573759f0ce676fe813d6c6},
	author = {Oliveira, J.R. and Martins, M.C.L. and Mafra, L. and Gomes, P.}
}
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Tuxhorn, J.A., Ayala, G.E., Rowley, D.R., Reactive stroma in prostate cancer progression (2001) Journal of Urology, 166 (6), pp. 2472-2483
},
	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 {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; 
Martins, M.C., Curtin, S.A., Freitas, S.C., Salgueiro, P., Ratner, B.D., Barbosa, M.A., Molecularly designed surfaces for blood deheparinization using an immobilized heparin-binding peptide (2009) J Biomed Mater Res A, 88, pp. 162-173; 
Love, J.C., Estroff, L.A., Kriebel, J.K., Nuzzo, R.G., Whitesides, G.M., Self-assembled monolayers of thiolates on metals as a form of nanotechnology (2005) Chemical Reviews, 105 (4), pp. 1103-1169. , DOI 10.1021/cr0300789; 
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Martins, M.C.L., Ratner, B.D., Barbosa, M.A., Protein adsorption on mixtures of hydroxyl- and methyl-terminated alkanethiols self-assembled monolayers (2003) Journal of Biomedical Materials Research - Part A, 67 (1), pp. 158-171; 
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Rodrigues, S.N., Goncalves, I.C., Martins, M.C.L., Barbosa, M.A., Ratner, B.D., Fibrinogen adsorption, platelet adhesion and activation on mixed hydroxyl-/methyl-terminated self-assembled monolayers (2006) Biomaterials, 27 (31), pp. 5357-5367. , DOI 10.1016/j.biomaterials.2006.06.010, PII S0142961206005515; 
Goncalves, I.C., Martins, M.C., 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) J Biomed Mater Res, 89 A, pp. 642-653; 
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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 {2235,
	title = {Molecularly designed alginate hydrogels susceptible to local proteolysis as three-dimensional cellular microenvironments},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {7},
	year = {2011},
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},
	month = {2011///},
	pages = {1674 - 1682},
	abstract = {The development of sophisticated three-dimensional (3-D) cell culture microenvironments that recreate some of the complexity of the natural extracellular matrix (ECM) remains a challenging task. Here, the modification of alginate through partial crosslinking with a matrix metalloproteinase (MMP) cleavable peptide (proline-valine-glycine-leucine-isoleucine-glycine, PVGLIG) is described, and its use in the preparation of injectable, in situ crosslinkable hydrogel-like matrices is proposed. PVGLIG-grafted alginates were synthesized by carbodiimide chemistry and characterized. Their biological performance was evaluated by comparing the response of 3-D cultured mesenchymal stem cells (MSCs) to alginate hydrogels containing only cell-adhesion peptides (RGD-alginate) or both peptides (PVGLIG/RGD-alginate). After 1 week, cells remained essentially round within RGD-alginate, while they exhibited an elongated morphology within PVGLIG/RGD-alginate hydrogels, forming cellular networks. This suggests that cells were able to structurally reorganize the matrix, through enzymatic hydrolysis of PVGLIG residues, overcoming biophysical hydrogel resistance. As shown by gelatine-zymography, MSC presented higher activity of MMP-2 when cultured within alginate functionalized with MMP-sensitive peptide, suggesting that the cell{\textquoteright}s proteolytic phenotype was modulated by the matrix composition. Additionally, PVGLIG/RGD-alginate hydrogels were clearly degraded in cell culture. Taken together, the results demonstrate that the co-incorporation of MMP-labile peptides in cell-adhesive RGD-alginate hydrogels improved their performance as ECM analogues, providing a more dynamic and physiological 3-D cellular microenvironment. {\textcopyright} 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.},
	keywords = {3-D Cell culture, Alginate, Alginates, alginic acid, Amino Acid Sequence, article, cell adhesion, cell composition, Cell Count, Cell culture, Cell Culture Techniques, Cell Shape, cell structure, cell survival, cell viability, Cells, Cultured, controlled study, Enzyme Activation, enzyme activity, extracellular matrix, Extracellular matrix (ECM), gelatin, gelatinase A, Glucuronic Acid, Hexuronic Acids, human, human cell, Humans, hydrogel, Hydrogels, hydrolysis, matrix metalloproteinase, Matrix Metalloproteinases, Matrix metalloproteinases (MMPs), Mesenchymal stem cell, Mesenchymal Stem Cells, Molecular Sequence Data, morphology, peptide derivative, Peptides, phenotype, priority journal, prolylvalylglycylleucylisoleucylglycine, Protease-sensitive, protein cleavage, protein degradation, Protein Processing, Post-Translational, Subcellular Fractions, tumor microenvironment, unclassified drug, zymography},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79952189303\&partnerID=40\&md5=191596b948bd4cc2569264a992052b88},
	author = {Fonseca, K.B. and Bidarra, S.J. and Oliveira, M.J. and Granja, P.L. and Barrias, C.C.}
}
@article {2227,
	title = {Scientists perception of ethical issues in nanomedicine: A case study},
	journal = {NanomedicineNanomedicine},
	volume = {6},
	year = {2011},
	note = {Export Date: 21 November 2012Source: Scopusdoi: 10.2217/nnm.11.9PubMed ID: 21506689Language of Original Document: EnglishCorrespondence Address: Silva Costa, H.; IBMC - Instituto de Biologia Molecular e Celular, Universidade Do Porto, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: helena.costa@kit.eduReferences: (2006) Nanotechnology for Health, , European Commission European Technology Platform on Nanomedicine Strategic Research Agenda, Brussels, Belgium;(2005) Nanomedicine: An ESF - European Medical Research Councils (EMRC) Forward Look Report, , European Science Foundation ISBN 2-912049-52-0. IREG Strasbourg France; 
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www.ibmc.up.pt, Institute for Molecular and Cell Biologywww.ineb.up.pt, Institute for Biomedical Engineeringwww.ipatimup.pt, Institute for Molecular Pathology and Immunologywww.portugalnano.net, Portuguese Nanotechnology Network(2008) Awareness of and Attitudes Toward Nanotechnology and Synthetic Biology: A Report of Findings Based on A National Survey among Adults, , www.nanotechproject.org/process/assets/files/8286/nano_synbio.pdf, Hart Research Associates Inc. Conducted on Behalf of the Project on Emerging Nanotechnologies, The Woodrow Wilson International Center for Scholars; 
McGinn, R., (2008) Nanotechnology and Ethics: A Short Guide to Ethical Responsibilities of Nanotechnology Researchers at NNIN Laboratories, National Nanotechnology Infrastructure Network, , www.sei.nnin.org/doc/nanotechnology_and_ethics_guide.pdf
},
	month = {2011///},
	pages = {681 - 691},
	abstract = {Aim: Research and development in nanomedicine has been accompanied by the consideration of ethical issues; however, little is known about how researchers working in this area perceive such issues. This case-study explores scientists attitude towards and knowledge of ethical issues. Method: Data were collected by semi-structured interviews with 22 nanomedicine practitioners and subject to content analysis. Results: We found that scientists reflect with ambiguity on the reputed novelty of nanomedicine and what the ethical issues and risks are in their work. Respondents see no necessity for a paradigm shift in ethical considerations, but view ethical issues in nanomedicine as overlapping with those of other areas of biomedical research. Most respondents discuss ethical issues they faced in scientific work with their colleagues, but expect benefit from additional information and training on ethics. Conclusion: Our findings that scientists are motivated to reflect on ethical issues in their work, can contribute to the design of new strategies, including training programs, to engage scientists in ethical discussion and stimulate their responsibility as nanomedicine practitioners. {\textcopyright} 2011 Future Medicine Ltd.},
	keywords = {adult, ambiguity, article, attitude, case study, clinical article, empirical research, ethics, Female, human, Humans, information, knowledge, male, medical ethics, medical research, Middle Aged, Models, Theoretical, nanomedicine, Nanotechnology, perception, priority journal, professional practice, qualitative study, Research Personnel, responsibility, risks, scientist, scientists perception, semi structured interview, training, Young Adult},
	isbn = {17435889 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-79959957262\&partnerID=40\&md5=33a048f12514a5e04810a0c7d7e311dd},
	author = {Silva Costa, H. and Sethe, S. and P{\^e}go, A.P. and Olsson, I.A.S.}
}
@article {2268,
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},
	month = {2010///},
	pages = {576 - 585},
	abstract = {Last trends in Biomaterials focus the mimic of cellular environments capable to control cellular responses. Epidermal growth factor (EGF) is a pleiotropic cytokine known to regulate cell proliferation, differentiation, and death. This study aims to optimize the immobilization of EGF on 11-mercapto-1-undecyl-tetra(ethylene)glycol (EG4) - self-assembled monolayers (SAMs) and to establish a new model surface to study EGF-mediated signaling. Gold substrates were modified with a monolayer of EG4 and N,N'- carbonyldiimidazole (CDI) was used to activate hydroxyl terminated groups of EG4-SAMs. EGF was then immobilized on activated EG4-SAMs at pH 7.4, 4{\textdegree}C, and 100 rpm. Different immobilization reaction times were tested as well as different CDI concentrations to optimize the reaction conditions and obtain a range of immobilized EGF concentrations on the surfaces. Surface characterization of EGF-SAMs was performed using radiolabeling, water contact angle measurements, X-ray photoelectron spectroscopy, and ELISA. Phosphorylation of EGFR on BT-20 breast cancer cell line by EGF-SAMs was tested by immunostaining. EGF was successfully immobilized on EG4-SAMs, at 4{\textdegree}C and pH 7.4 in a range of concentrations from 3.6 {\textpm} 0.8 to 17.6 {\textpm} 1.5 ng/cm                        2. The concentration of EGF increases with immobilization time and with the CDI concentration reaching the maximum for surfaces activated with 30 mg/mL of CDI after 48 h. The bioactivity of EGF-SAMs was confirmed by immunostaining of phospho-EGFR of BT-20 cells. This study described EGF immobilization on EG4-SAMs at different concentrations, which could be important surface models to study specific protein interactions at the molecular level evolving EGF-family of proteins. {\textcopyright} 2010 Wiley Periodicals, Inc. J.
},
	keywords = {Adsorption, Angle measurement, article, Biocompatible Materials, Biological materials, Breast cancer cells, cancer cell culture, Carbonyldiimidazole, Cell culture, Cell immobilization, Cell Line, Tumor, cell proliferation, Cellular environment, Cellular response, Concentration (process), Concentration of, Contact angle, controlled study, Cytokines, EGF, Electron energy levels, enzyme linked immunosorbent assay, Enzyme-Linked Immunosorbent Assay, epidermal growth factor, Epidermal growth factors, Ethylene, Glycols, gold, Gold substrates, human, human cell, Humans, Hydroxyl-terminated, Imidazoles, Immobilization process, Immobilization reaction, immunofluorescence, immunohistochemistry, Immunostaining, Molecular levels, Nanostructured materials, Nanostructured surface, Nanostructured surfaces, New model, Optimization, Phosphorylation, Photoelectron spectroscopy, Polyethylene Glycols, Protein adsorption, protein immobilization, protein interaction, protein phosphorylation, Proteins, Radiolabeling, Radioligand Assay, Reaction conditions, reaction optimization, Receptor, Epidermal Growth Factor, Sams, self assembled monolayer, Self assembled monolayers, Self-assembled monolayers, Sulfhydryl Compounds, Surface characterization, Surface functionalization, Surface models, Surface Properties, Water contact angle measurement, X ray photoelectron spectroscopy},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77953815323\&partnerID=40\&md5=7b54d717bbba475933dd86cc62659acc},
	author = {Gon{\c c}alves, R. and Martins, M.C.L. and Oliveira, M.J. and Almeida-Porada, G. and Barbosa, M.A.}
}
@article {2277,
	title = {Biocompatibility and calcification of bovine pericardium employed for the construction of cardiac bioprostheses treated with different chemical crosslink methods},
	journal = {Artificial OrgansArtif. Organs},
	volume = {34},
	year = {2010},
	note = {Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: ARORDdoi: 10.1111/j.1525-1594.2009.00978.xPubMed ID: 20633147Language of Original Document: EnglishCorrespondence Address: Jorge-Herrero, E.; Biomateriales y Telemedicina, Hospital Universitario Puerta de Hierro Majadahonda, Peine 7, planta 0, c/ Manuel de Falla 2, 28222Majadahonda, Madrid, Spain; email: ejorge.herrero@bioing.cph.esChemicals/CAS: calcium, 14092-94-5, 7440-70-2; glutaraldehyde, 111-30-8, 37245-61-7; Calcium, 7440-70-2; Cross-Linking Reagents; Glutaral, 111-30-8References: Grunkemeier, G.L., Rahimtoola, S.H., Artificial heart valves (1990) Annu Rev Med, 41, pp. 251-263;Vongpatanasin, W., Hillis, L.D., Lange, R.A., Prosthetic heart valves (1996) N Engl J Med, 335, pp. 407-416; 
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Schoen, F.J., Kujovich, J.L., Levy, R.J., Sutton, M.S., Bioprosthetic valve failure (1988) Cardiovasc Clin, 18, pp. 289-317; 
Schoen, F.J., Tsao, J.W., Levy, R.J., Calcification of bovine pericardium used in cardiac valve bioprostheses. Implications for the mechanisms of bioprosthetic tissue mineralization (1986) Am J Pathol, 123, pp. 134-145; 
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Huma, P., Bezuidenhout, D., Torrianni, M., Hendriks, M., Zilla, P., Optimization of diamine bridges in glutaraldehyde treated bioprosthetic aortic wall tissue (2002) Biomaterials, 23, pp. 2099-2103; 
Jorge-Herrero, E., Fernandez, P., Turnay, J., Influence of different chemical cross-linking treatments on the properties of bovine pericardium and collagen (1999) Biomaterials, 20, pp. 539-545
},
	month = {2010///},
	pages = {E168 - E176},
	abstract = {The use of biological materials in the construction of bioprostheses requires the application of different chemical procedures to improve the durability of the material without producing any undesirable effects. A number of crosslinking methods have been tested in biological tissues composed mainly of collagen. The aim of this study was to evaluate the in vitro biocompatibility, the mechanical properties, and in vivo calcification of chemically modified bovine pericardium using glutaraldehyde acetals (GAAs) in comparison with glutaraldehyde (GA) treatment. Homsy{\textquoteright}s tests showed that the most cytotoxic treatment is GA whereas GAA treatments showed lower cytotoxicity. Regarding the mechanical properties of the modified materials, no significant differences in stress at rupture were detected among the different treatments. Zeta-Potential showed higher negative values for GA treatment (-4.9 {\textpm} 0.6 mV) compared with GAA-0.625\% (-2.2 {\textpm} 0.5 mV) and GAA-1\% (-2.2 {\textpm} 0.4 mV), which presented values similar to native tissue. Similar results were obtained for calcium permeability coefficients which showed the highest values for GA treatment (0.12 {\textpm} 0.02 mm                        2/min), being significantly lower for GAA treatments or non-crosslinked pericardium. These results confirmed the higher propensity of the GA-treated tissues for attraction of calcium cations and were in good agreement with the calcification degree obtained after 60 days implantation into young rats, which was significantly higher for the GA group (22.70 {\textpm} 20.80 mg/g dry tissue) compared with GAA-0.625\% and GAA-1\% groups (0.49 {\textpm} 0.28 mg/g dry tissue and 3.51 {\textpm} 3.27 mg/g dry tissue, respectively; P \&lt; 0.001). In conclusion, GAA treatments can be considered a promising alternative to GA treatment. {\textcopyright} 2010, International Center for Artificial Organs and Transplantation and Wiley Periodicals, Inc.
},
	keywords = {acetal derivative, animal cell, animal experiment, animal tissue, Animals, article, Biocompatibility, Bioprostheses, Bioprosthesis, Bovinae, Calcification, Calcification, Physiologic, Calcium, cation, Cattle, Chemical modification, controlled study, Cross-Linking Reagents, Crosslinking, Cytotoxicity, Glutaral, glutaraldehyde, heart valve bioprosthesis, Heart, Artificial, in vitro study, materials testing, mechanical stress, nonhuman, pericardium, permeability, priority journal, rat, Rats, Rattus, Subcutaneous implantation, Tissue engineering, Zeta potential},
	isbn = {0160564X (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77952172654\&partnerID=40\&md5=bfd9eacf640d519719f005083ad7a1ae},
	author = {Jorge-Herrero, E. and Fonseca, C. and Barge, A.P. and Turnay, J. and Olmo, N. and Fern{\'a}ndez, P. and Lizarbe, M.A. and Garc{\'\i}a P{\'a}ez, J.M.}
}
@article {2274,
	title = {Characterization of polymeric solutions as injectable vehicles for hydroxyapatite microspheres},
	journal = {AAPS PharmSciTechAAPS PharmSciTech},
	volume = {11},
	year = {2010},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: Scopusdoi: 10.1208/s12249-010-9447-3PubMed ID: 20490958Language of Original Document: EnglishCorrespondence Address: Oliveira, S. M.; Dep. de Eng. Mec{\^a}nica e Gest{\~a}o Industrial, Escola Superior de Tecnologia e Gest{\~a}o de Viseu, Campus Polit{\'e}cnico de Repeses, 3504-510, Viseu, Portugal; email: soliveira@estv.ipv.ptChemicals/CAS: alginic acid, 28961-37-7, 29894-36-8, 9005-32-7, 9005-38-3; carboxymethylcellulose, 8050-38-2, 9000-11-7, 9004-32-4, 9050-04-8; hydroxyapatite, 1306-06-5, 51198-94-8; hydroxypropylmethylcellulose, 9004-65-3; Biocompatible Materials; Capsules; Durapatite, 1306-06-5; Excipients; Polymers; Solutions; VehiclesReferences: Verlaan, J.J., Oner, F.C., Dhert, W.J., Anterior spinal column augmentation with injectable bone cements (2006) Biomat, 27 (3), pp. 290-301;Chenite, A., Chaput, C., Wang, D., Combes, C., Buschmann, M.D., Hoemann, C.D., Novel injectable neutral solutions of chitosan form biodegradable gels in situ (2000) Biomat, 21 (21), pp. 2155-2161; 
Hoemann, C.D., Sun, J., Legare, A., McKee, M.D., Buschmann, M.D., Tissue engineering of cartilage using an injectable and adhesive chitosan-based cell-delivery vehicle (2005) Osteoarthritis Cart., 13 (4), pp. 318-329; 
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},
	month = {2010///},
	pages = {852 - 858},
	abstract = {A polymeric solution and a reinforcement phase can work as an injectable material to fill up bone defects. However, the properties of the solution should be suitable to enable the transport of that extra phase. Additionally, the use of biocompatible materials is a requirement for tissue regeneration. Thus, we intended to optimize a biocompatible polymeric solution able to carry hydroxyapatite microspheres into bone defects using an orthopedic injectable device. To achieve that goal, polymers usually regarded as biocompatible were selected, namely sodium carboxymethylcellulose, hydroxypropylmethylcellulose, and Na-alginate (ALG). The rheological properties of the polymeric solutions at different concentrations were assessed by viscosimetry before and after moist heat sterilization. In order to correlate rheological properties with injectability, solutions were tested using an orthopedic device applied for minimal invasive surgeries. Among the three polymers, ALG solutions presented the most suitable properties for our goal and a non-sterile ALG 6\% solution was successfully used to perform preliminary injection tests of hydroxyapatite microspheres. Sterile ALG 7.25\% solution was found to closely match non-sterile ALG 6\% properties and it was selected as the optimal vehicle. Finally, sterile ALG 7.25\% physical stability was studied at different temperatures over a 3-month period. It was observed that its rheological properties presented minor changes when stored at 25{\textdegree}C or at 4{\textdegree}C. {\textcopyright} 2010 American Association of Pharmaceutical Scientists.},
	keywords = {Alginate, alginic acid, article, Biocompatibility, Biocompatible Materials, Capsules, Carboxymethylcellulose, Drug Compounding, Durapatite, Excipients, hydroxyapatite, Hydroxypropylmethylcellulose, Injectability, injection, Injections, instrument sterilization, microsphere, Microspheres, minimally invasive surgery, molecular weight, orthopedic equipment, Polymers, priority journal, Solutions, Vehicles, viscometry},
	isbn = {15309932 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77954819260\&partnerID=40\&md5=e8503462fa39dcc285aef7e07f765eef},
	author = {Oliveira, S.M. and Almeida, I.F. and Costa, P.C. and Barrias, C.C. and Ferreira, M.R.P. and Bahia, M.F. and Barbosa, M.A.}
}
@article {2244,
	title = {Chitosan-based gene delivery vectors targeted to the peripheral nervous system},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {95},
	year = {2010},
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},
	month = {2010///},
	pages = {801 - 810},
	abstract = {A non-toxic, targeted, simple and efficient system that can specifically transfect peripheral sensorial neurons can pave the way towards the development of new therapeutics for the treatment of peripheral neuropathies. In this study chitosan (CH), a biodegradable polymer, was used as the starting material in the design of a multicomponent vector targeted to the peripheral nervous system (PNS). Polycation-DNA complexes were optimized using imidazole-and thiol-grafted CH (CHimiSH), in order to increase transfection efficiency and allow the formation of ligand conjugated nanocomplexes, respectively. The 50 kDa non-toxic fragment from the tetanus toxin (HC), shown to interact specifically with peripheral neurons and undergo retrograde transport, was grafted to the binary complex via a bi-functional poly(ethylene glycol) (HC-PEG) reactive for the thiol moieties present in the complex surface. The targeting of the developed nanocomplexes was assessed by means of internalization and transfection studies in the ND7/23 (neuronal) vs. NIH 3T3 (fibroblast) cell lines. Targeted transfection was further confirmed in dorsal root ganglion dissociated primary cultures. A versatile, multi-component nanoparticle system that successfully targets and transfects neuronal cell lines, as well as dorsal root ganglia (DRG) primary neuron cultures was obtained for the 1.0 (w/w) HC-PEG/DNA formulation. {\textcopyright} 2010 Wiley Periodicals, Inc.},
	keywords = {animal cell, Animals, article, Binary complexes, Biodegradable polymers, Carbohydrate Conformation, Carbohydrate Sequence, Cations, Cell culture, Cell lines, cell population, Cells, Cultured, Chitin, chitosan, Complex surface, DNA, DNA complex, Dorsal root ganglia, Efficient systems, embryo, Ethylene, Ethylene Glycol, Female, Ganglia, Spinal, Gene delivery, gene delivery system, Gene delivery vectors, Gene therapy, Gene transfer, Gene Transfer Techniques, genetic transfection, Genetic Vectors, Grafting (chemical), Humans, imidazole, macrogol, materials testing, Mice, Molecular Sequence Data, Molecular Structure, mouse, Multicomponents, Nanocomplexes, Nanoparticle systems, nanoparticles, nerve cell culture, Neuron culture, Neuronal cell, NIH 3T3 Cells, nonhuman, Nontoxic fragment of tetanus toxin, Peripheral nervous system, Peripheral neuropathy, Polycations, Polyethylene Glycols, Polyethylene oxides, Pregnancy, Primary culture, rat, Rats, Rats, Wistar, spinal ganglion, Starting materials, Targeted, Tetanus toxin, Toxic materials, Transfection, Transfection efficiency},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-78249240032\&partnerID=40\&md5=af9c3ca5ca712d53abb5e80f45ed09c0},
	author = {Oliveira, H. and Pires, L.R. and Fernandez, R. and Martins, M.C.L. and Sim{\~o}es, S. and P{\^e}go, A.P.}
}
@article {2250,
	title = {Chitosan/siRNA nanoparticles biofunctionalize nerve implants and enable neurite outgrowth},
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	year = {2010},
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},
	month = {2010///},
	pages = {3933 - 3939},
	abstract = {Microstructured 20 μm thick polymer filaments used as nerve implants were loaded with chitosan/siRNA nanoparticles to promote nerve regeneration and ensure local delivery of nanotherapeutics. The stable nanoparticles were rapidly internalized by cells and did not affect cell viability. Target mRNA was successfully reduced by 65-75\% and neurite outgrowth was enhanced even in an inhibitory environment. This work, thus, supports the application of nanobiofunctionalized implants as a novel approach for spinal cord and nerve repair. {\textcopyright} 2010 American Chemical Society.},
	keywords = {animal, Animals, article, Cell Line, cell viability, chemistry, Chitin, chitosan, cytology, Drug delivery, genetic transfection, genetics, Local delivery, metabolism, Microstructured, nanobiofunctionalized implants, nanoparticle, nanoparticles, nerve cell, nerve regeneration, Nerve repair, neurite, Neurite outgrowth, Neurites, Neurons, Polymer filaments, Prostheses and Implants, prostheses and orthoses, rhoA GTP-Binding Protein, RhoA guanine nucleotide binding protein, RNA, RNA, Small Interfering, siRNA, small interfering RNA, Spinal cords, Transfection, ultrastructure},
	isbn = {15306984 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77958033530\&partnerID=40\&md5=6862e82e01c3aedf5423ebb14248c6ec},
	author = {Mittnacht, U. and Hartmann, H. and Hein, S. and Oliveira, H. and Dong, M. and P{\^e}go, A.P. and Kjems, J. and Howard, K.A. and Schlosshauer, B.}
}
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Yww, W., Chen, Y., Huang, K., The investigation of polymer-siRNA nanoparticle for gene therapy of gastric cancer in vitro (2010) Int J Nanomed, 5, pp. 129-136
},
	month = {2010///},
	pages = {1604 - 1614},
	abstract = {CD44 is the major ubiquitously expressed cell surface receptor for hyaluronate. The CD44 gene encodes several protein isoforms due to extensive alternative splicing and post-translational modifications. Some of these CD44 variable isoforms have been foreseen as key players in malignant transformation and their expression is highly restricted and highly specific, unlike the canonical CD44 standard isoform. In this study, we aimed at dissecting the mRNA splicing pattern of CD44 in normal stomach and gastric cancer (GC) cell lines (n9) using cloning and quantitative mRNA amplification assays. Moreover, we assessed the RNA levels and protein expression pattern of relevant splicing forms in distinct premalignant and malignant gastric lesions (sporadic (n43) and hereditary (n3) forms) using real-time RT-PCR and immunohistochemistry. We also explored the association of CD44 and E-cadherin expression by immunohistochemistry, as E-cadherin has a pivotal functional role in GC. We established the pattern of CD44 variant forms in normal stomach and gastric malignancy. We observed that although exon v6-containing isoforms were rarely expressed in normal gastric mucosa, they became increasingly expressed both in gastric premalignant (hyperplastic polyps, complete and incomplete intestinal metaplasia, low- and high-grade dysplasia) and malignant lesions (cell lines derived from GCs, primary sporadic GCs and hereditary diffuse GCs (HDGCs)). Moreover, we verified that whenever E-cadherin expression was absent, exon v6-containing CD44 isoforms were overexpressed. The lack of expression of CD44 isoforms containing exon v6 in the surface and foveolar epithelia of normal stomach and, its de novo expression in premalignant, as well as in sporadic and hereditary malignant lesions of the stomach, pinpoint CD44 v6-containg isoforms as potential biomarkers for early transformation of the gastric mucosa. Further, our results raise the hypothesis of using CD44v6 as a marker of early invasive intramucosal carcinoma in HDGC CDH1 mutation carriers that lack CDH1 expression in their tumors. {\textcopyright} 2010 USCAP, Inc All rights reserved.},
	keywords = {Alternative Splicing, Antigens, CD44, article, Cadherins, CD44, CD44v6, CD44v6 antigen, CD44v7 antigen, Cell Line, Tumor, clinical article, controlled study, E-cadherin, familial cancer, Gastric Mucosa, Germ-Line Mutation, HDGC, Hermes antigen, human, human tissue, Humans, immunohistochemistry, intestine metaplasia, messenger RNA, Neoplasm Metastasis, priority journal, protein expression, real time polymerase chain reaction, reverse transcription polymerase chain reaction, RNA splicing, RNA, Messenger, splicing, sporadic GC, stomach, stomach cancer, stomach mucosa, Stomach Neoplasms, stomach polyp, tumor marker, unclassified drug, uvomorulin},
	isbn = {00236837 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-78049336816\&partnerID=40\&md5=54af5eaf06d939334ff22d68de54abba},
	author = {Da Cunha, C.B. and Oliveira, C. and Wen, X. and Gomes, B. and Sousa, S. and Suriano, G. and Grellier, M. and Huntsman, D.G. and Carneiro, F. and Granja, P.L. and Seruca, R.}
}
@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},
	note = {Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.32694PubMed ID: 20186736Language of Original Document: EnglishCorrespondence Address: Teixeira, C. C.; Department of Basic Science and Craniofacial Biology, Department of Biomaterials and Biomimetics, New York University College of Dentistry, New York, NY 10010, United States; email: ct40@nyu.eduChemicals/CAS: alkaline phosphatase, 9001-78-9; retinoic acid, 302-79-4; Biocompatible Materials; Collagen, 9007-34-5; Protein IsoformsReferences: Pountos, I., Jones, E., Tzioupis, C., Mcgonagle, D., Giannoudis, P.V., Growing bone and cartilage. The role of mesenchymal stem cells (2006) J Bone Joint Surg Br, 88, pp. 421-426;Newman, A.P., Articular cartilage repair (1998) Am J Sports Med, 26, pp. 309-324; 
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Weiss, P., Layrolle, P., Clergeau, L.P., Enckel, B., Pilet, P., Amouriq, Y., Daculsi, G., Giumelli, B., The safety and efficacy of an injectable bone substitute in dental sockets demonstrated in a human clinical trial (2007) Biomaterials, 28, pp. 3295-3305; 
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},
	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 {2275,
	title = {Targeted gene delivery into peripheral sensorial neurons mediated by self-assembled vectors composed of poly(ethylene imine) and tetanus toxin fragment c},
	journal = {Journal of Controlled ReleaseJ. Control. Release},
	volume = {143},
	year = {2010},
	note = {Cited By (since 1996): 13Export Date: 21 November 2012Source: ScopusCODEN: JCREEdoi: 10.1016/j.jconrel.2010.01.018PubMed ID: 20093157Language of Original Document: EnglishCorrespondence Address: P{\^e}go, A.P.; 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: apego@ineb.up.ptChemicals/CAS: DNA, 9007-49-2; macrogol, 25322-68-3; polyethyleneimine, 74913-72-7; DNA, 9007-49-2; Imines; Peptide Fragments; Polyethylenes; Tetanus Toxin; poly(ethylene imine); tetanus toxin fragment CReferences: Rodriguez, F.J., Valero-Cabre, A., Navarro, X., Regeneration and functional recovery following peripheral nerve injury (2004) Drug Discov. Today, 1 (2), pp. 177-185;Sahenk, Z., Neurotrophins and peripheral neuropathies (2006) Brain Pathol., 16 (4), pp. 311-319; 
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},
	month = {2010///},
	pages = {350 - 358},
	abstract = {A simple, safe and efficient system that can specifically transfect peripheral sensorial neurons can bring new answers to address peripheral neuropathies. A multi-component non-viral gene delivery vector targeted to peripheral nervous system cells was developed, using poly(ethylene imine) (PEI) as starting material. A binary DNA/polymer complex based on thiolated PEI (PEISH) was optimized, considering complex size and zeta potential and the ability to transfect a sensorial neuron cell line (ND7/23). The 50. kDa non-toxic fragment from tetanus toxin (HC), which has been previously shown to interact specifically with peripheral neurons and to undergo retrograde transport, was grafted to the complex core via a bifunctional PEG (HC-PEG) reactive for the thiol moieties present in the complex surface. Several formulations of HC-PEG ternary complexes were tested for targeting, by assessing the extent of cellular internalization and levels of transfection, in both the ND7/23 and NIH 3 T3 (fibroblast) cell lines. Targeted gene transfer to the neuronal cell line was observed for the complex formulations containing 5 and 7.5. Μg of HC-PEG. Finally, our results demonstrate that the developed ternary vectors are able to transfect primary cultures of dorsal root ganglion dissociated neurons in a targeted manner and elicit the expression of a relevant neurotrophic factor. {\textcopyright} 2010 Elsevier B.V.},
	keywords = {Aberrations, animal cell, Animals, article, Bifunctional, Cell culture, Cell Line, Tumor, Cell lines, cell strain 3T3, Cells, Cultured, Cellular internalization, Chemical modification, Complex cores, Complex formulations, Complex surface, controlled study, DNA, DNA protein complex, Dorsal root ganglia, Efficient systems, embryo, Ethylene, Female, Gene transfer, genetic transfection, Imines, internalization, macrogol, Mice, mouse, Multicomponents, nanoparticle, nanoparticles, neuroblastoma cell, Neuronal cell, Neurons, neurotrophic factor, Neurotrophic factors, NIH 3T3 Cells, Nitrogen compounds, Non-viral, Non-viral gene delivery, nonhuman, Nonviral, nonviral gene delivery system, Nucleic acids, Particle Size, Peptide Fragments, Peripheral nervous system, Peripheral neuropathy, Plasmids, Polyethylene Glycols, Polyethylene oxides, Polyethyleneimine, Polyethylenes, Primary culture, priority journal, process optimization, protein expression, rat, Rats, Rats, Wistar, Regenerative Medicine, Self-assembled, sensory nerve cell, spinal ganglion, Starting materials, Targeted, Targeted gene delivery, Ternary complex, Ternary vectors, Tetanus toxin, tetanus toxin fragment c, Transfection, unclassified drug, Zeta potential},
	isbn = {01683659 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77952239026\&partnerID=40\&md5=077b03d49cf392defc3d0c77f2f249d1},
	author = {Oliveira, H. and Fernandez, R. and Pires, L.R. and Martins, M.C.L. and Sim{\~o}es, S. and Barbosa, M.A. and P{\^e}go, A.P.}
}
@article {2307,
	title = {Cancer invasion and metastasis: Interacting ecosystems},
	journal = {Virchows ArchivVirchows Arch.},
	volume = {454},
	year = {2009},
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},
	month = {2009///},
	pages = {599 - 622},
	abstract = {Malignant tumors invade and metastasize. They consist of cancer cells, evolving through genetic and epigenetic modulation, mixed with tumor-associated host cells, emerging from resident or bone marrow-derived precursors. These cells establish ecosystems to activate cellular programs for local invasion and distant metastasis. Characteristic of such malignancy-related activities is communication inside ecosystems between cells, ligands, receptor protein complexes, and signaling pathways as well as between ecosystems comprising the primary tumor, lymph node and distant metastasis, bone marrow and blood and lymph circulation. Complexity is another characteristic, resulting from: heterogeneity of the cell populations; the numbers of promoter and suppressor genes, their levels of regulation, and the pleiotropic activities of their products; biological redundancy of the molecular mechanisms underpinning invasion-related activities. Clinical attention is paid to putative new targets, namely host cells, individual molecules and their signaling pathways, as well as the effects of current treatment on invasion and metastasis. {\textcopyright} 2009 Springer-Verlag.},
	keywords = {bone marrow, cancer cell, cancer invasion, carcinogenesis, cell activity, Circulation, ecosystem, epigenetics, extracellular matrix, gene control, host cell, human, Humans, lymph node metastasis, metastasis, Metastatic site, microarray analysis, Molecular biology, molecular imaging, Neoplasm Invasiveness, Neoplasm Metastasis, Neoplasms, nonhuman, pleiotropy, primary tumor, priority journal, Promoter and suppressor genes, promoter region, review, signal transduction, suppressor gene, Therapy guidance, Tumor-associated host cells},
	isbn = {09456317 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-67649116432\&partnerID=40\&md5=4c02a29f53858424b4c3191dcd86256c},
	author = {Mareel, M. and Oliveira, M.J. and Madani, I.}
}
@article {2306,
	title = {Cationic liposome-DNA complexes as gene delivery vectors: Development and behaviour towards bone-like cells},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {5},
	year = {2009},
	note = {Cited By (since 1996): 17Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2009.02.019PubMed ID: 19332382Language of Original Document: EnglishCorrespondence Address: Ferraz, M.P.; CEBIMED, Faculdade de Ci{\^e}ncias da Sa{\'u}, Universidade Fernando Pessoa, Rua Carlos da Maia, 296, 4200-150 Porto, Portugal; email: mpferraz@ufp.ptChemicals/CAS: 1,2 dioleoyl 3 trimethylammoniopropane, 144189-73-1; DNA, 9007-49-2; transferrin, 82030-93-1; DNA, 9007-49-2; LiposomesReferences: Luo, J., Sun, M.H., Kang, Q., Peng, Y., Jiang, W., Luu, H.H., Gene therapy for bone regeneration (2005) Curr Gene Ther, 5 (2), pp. 167-179;Oreffo, R.O.C., Triffitt, J.T., Future potentials for using osteogenic stem cells and biomaterials in orthopedics (1999) Bone, 25 (2 SUPPL. 1), pp. 5S-9S; 
Laurencin, C.T., Attawia, M.A., Lu, L.Q., Borden, M.D., Lu, H.H., Gorum, W.J., Poly(lactide-co-glycolide)/hydroxyapatite delivery of BMP-2-producing cells: a regional gene therapy approach to bone regeneration (2001) Biomaterials, 22 (11), pp. 1271-1277; 
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Chen, Y., Luk, K.D.K., Cheung, K.M.C., Xu, R., Lin, M.C., Lu, W.W., Gene therapy for new bone formation using adeno-associated viral bone morphogenetic protein-2 vectors (2003) Gene Ther, 10 (16), pp. 1345-1353; 
Tseng, W.-C., Huang, L., Liposome-based gene therapy (1998) Res Focus, 1 (5); 
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Simoes, S., Pires, P., Cruz, M.T.G.d., Duzgunes, N., Pedroso de Lima, M.C., Gene delivery by cationic liposome-DNA complexes containing transferrin or serum albumin (2003) Methods Enzymol, 373, pp. 369-383; 
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Radwan Almofti, M., Harashima, H., Shinohara, Y., Almofti, A., Baba, Y., Kiwada, H., Cationic liposome-mediated gene delivery: biophysical study and mechanism of internalization (2003) Arch Biochem Biophys, 410 (2), pp. 246-253; 
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Rejman, J., Bragonzi, A., Conese, M., Role of clathrin- and caveolae-mediated endocytosis in gene transfer mediated by lipo- and polyplexes (2005) Mol Ther, 12 (3), pp. 468-474
},
	month = {2009///},
	pages = {2142 - 2151},
	abstract = {Modulation of the biological pathways responsible for fracture repair and osteogenisis may accelerate regeneration. Gene therapy is an alternative method for the release of osteogenisis-stimulating proteins into tissues. The development of vectors for gene release is still a problem in terms of ethics and techniques. In this work we evaluated whether cationic liposomes constitute a valuable strategy for the release of genetic material into bone tissue cells as non-viral vectors. Liposomes were prepared with 1,2-dioleoyl-3-trimethylammonium propane (DOTAP)-2-dioleoyl-sn-glycero-3-phosphatidylethanolamine and DOTAP-cholesterol, and characterized according to their size, zeta potential, DNA protection capacity and cytotoxicity. Transfection studies were also carried out using pCMVβ-gal plasmid in two osteoblastic cell lines (MG63 and MC3T3-E1) and in the 294T line, varying the charge ratio and the applied DNA dose. Inclusion of transferrin to increase the expression was also tested. The results suggest that there is great dependency between the transfection activity and the lipid formulation, the charge ratios of the complexes, the applied DNA dose and the cell type. There were even some differences concerning both osteoblastic lines under study. The cells of the MC3T3-E1 line present greater expression levels than the cells of the MG-63 line. The conjugation of the transferrin with the complexes contributes to the increase in transfection levels, possibly due to an increase in internalization of complexes. It is thus a good strategy for inducing the expression of specific genes in osteoblast-like cells. {\textcopyright} 2009 Acta Materialia Inc.},
	keywords = {1,2 dioleoyl 3 trimethylammoniopropane, animal cell, Animals, article, bone cell, bone development, bone tissue, Cationic liposomes, Cell Line, cell type, complex formation, controlled study, Cytotoxicity, DNA, drug mechanism, gene expression regulation, Gene therapy, Gene transfer, genetic transfection, Genetic Vectors, human, human cell, internalization, lipoplex, liposome, Liposomes, materials testing, Mice, nonhuman, nonviral gene delivery system, osteoblast, Osteoblasts, Osteogenesis, Particle Size, plasmid, priority journal, Transfection, transferrin, Zeta potential},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-67349188484\&partnerID=40\&md5=b675ab7e6e97523c5d8923fa6e7f0d8b},
	author = {Oliveira, A.C. and Ferraz, M.P. and Monteiro, F.J. and Sim{\~o}es, S.}
}
@article {2312,
	title = {Contextual classification of image patches with latent aspect models},
	journal = {Eurasip Journal on Image and Video ProcessingEurasip J. Image Video Process.},
	volume = {2009},
	year = {2009},
	note = {Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusArt. No.: 602920doi: 10.1155/2009/602920Language of Original Document: EnglishCorrespondence Address: Monay, F.; Idiap Research Institute Martigny, 1920 Martigny, Switzerland; email: florent.monay@idiap.chReferences: Kumar, S., Hebert, M., Discriminative random fields: A discriminative framework for contextual interaction in classification, 2, pp. 1150-1157. , Proceedings of the IEEE International Conference on Computer Vision (ICCV 03) October 2003 Nice, France;Lazebnik, S., Schmid, C., Ponce, J., Affine-invariant local descriptors and neighborhood statistics for texture recognition, 1, pp. 649-655. , Proceedings of the IEEE International Conference on Computer Vision (ICCV 03) October 2003 Nice, France; 
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},
	month = {2009///},
	abstract = {We present a novel approach for contextual classification of image patches in complex visual scenes, based on the use of histograms of quantized features and probabilistic aspect models. Our approach uses context in two ways: (1) by using the fact that specific learned aspects correlate with the semantic classes, which resolves some cases of visual polysemy often present in patch-based representations, and (2) by formalizing the notion that scene context is image-specificwhat an individual patch represents depends on what the rest of the patches in the same image are. We demonstrate the validity of our approach on a man-made versus natural patch classification problem. Experiments on an image collection of complex scenes show that the proposed approach improves region discrimination, producing satisfactory results and outperforming two noncontextual methods. Furthermore, we also show that co-occurrence and traditional (Markov random field) spatial contextual information can be conveniently integrated for further improved patch classification.},
	isbn = {16875176 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-61449241990\&partnerID=40\&md5=b909ab8585061d7873ec0fe14a47dba8},
	author = {Monay, F. and Quelhas, P. and Odobez, J.-M. and Gatica-Perez, D.}
}
@article {2316,
	title = {Engineering endochondral bone: In vitro studies},
	journal = {Tissue Engineering - Part ATissue Eng. Part A},
	volume = {15},
	year = {2009},
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Oliveira, S.M., Turner, G., Mijares, D., Amaral, I.F., Barbosa, M.A., Teixeira, C.C., (2007) Engineering endochondral bone: In vivo studies
},
	month = {2009///},
	pages = {625 - 634},
	abstract = {Chitosan scaffolds have been shown to possess biological and mechanical properties suitable for tissue engineering and clinical applications. In the present work, chitosan sponges were evaluated regarding their ability to support cartilage cell proliferation and maturation, which are the first steps in endochondral bone formation. Chitosan sponges were seeded with chondrocytes isolated from chicken embryo sterna. Chondrocyte/chitosan constructs were cultured for 20 days, and treated with retinoic acid (RA) to induce chondrocyte maturation and matrix synthesis. At different time points, samples were collected for microscopic, histological, biochemical, and mechanical analyses. Results show chondrocyte attachment, proliferation, and abundant matrix synthesis, completely obliterating the pores of the sponges. RA treatment caused chondrocyte hypertrophy, characterized by the presence of type X collagen in the extracellular matrix and increased alkaline phosphatase activity. In addition, hypertrophy markedly changed the mechanical properties of the chondrocyte/chitosan constructs. In conclusion, we have developed chitosan sponges with adequate pore structure and mechanical properties to serve as a support for hypertrophic chondrocytes. In parallel studies, we have evaluated the ability of this mature cartilage scaffold to induce endochondral ossification. {\textcopyright} Copyright 2009, Mary Ann Liebert, Inc. 2009.},
	keywords = {alkaline phosphatase, Alkaline phosphatase activity, animal, animal cell, animal tissue, Animals, article, biomechanics, Body fluids, Bone, Bone and Bones, Bone formation, Cartilage, cartilage cell, Cell culture, cell damage, cell hypertrophy, cell isolation, cell maturation, Cell membranes, cell proliferation, Cells, Cultured, chick embryo, Chicken embryo, Chitin, chitosan, Chitosan scaffold, Chondrocyte, Chondrocyte maturation, Chondrocytes, Clinical application, collagen type 10, Collagen Type X, controlled study, cytology, DNA, drug effect, embryo, enchondral ossification, Endochondral ossification, enzyme activity, enzymology, Extracellular matrices, extracellular matrix, gene expression profiling, Hypertrophic chondrocytes, in vitro study, In-vitro, Ligaments, Matrix synthesis, Mechanical analysis, Mechanical properties, metabolism, methodology, nonhuman, Pathology, physiology, Porifera, porosity, priority journal, retinoic acid, Retinoic acids, Scaffolds, sponge (Porifera), Sterna, sternum, synthesis, Time points, Tissue engineering, tissue scaffold, Tissue Scaffolds, Tretinoin, Type X collagen},
	isbn = {19373341 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-64549143844\&partnerID=40\&md5=310f8e62d4dd51ccb9399db171440148},
	author = {Oliveira, S.M. and Amaral, I.F. and Barbosa, M.A. and Teixeira, C.C.}
}
@article {2317,
	title = {Engineering endochondral bone: In vivo studies},
	journal = {Tissue Engineering - Part ATissue Eng. Part A},
	volume = {15},
	year = {2009},
	note = {Cited By (since 1996): 14Export Date: 21 November 2012Source: Scopusdoi: 10.1089/ten.tea.2008.0052Language of Original Document: EnglishCorrespondence Address: Teixeira, C. C.; Department of Basic Science and Craniofacial Biology, College of Dentistry, New York University, 345 East. 24th St., New York, NY 10010; email: ct40@nyu.eduChemicals/CAS: chitosan, 9012-76-4; Chitosan, 9012-76-4; MineralsReferences: Yelin, E., Callahan, L.F., The economic cost and social and psychological impact of musculoskeletal conditions. National Arthritis Data Work Groups (1995) Arthritis Rheum, 38, p. 1351;Service, R.F. Tissue engineers build new bone. Science 289,1498, 2000Dupraz, A., Delecrin, J., Moreau, A., Pilet, P., Passuti, N., Long-term bone response to particulate injectable ceramic (1998) J Biomed Mater Res, 42, p. 368; 
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Rinaudo, M., Chitin and chitosan: Properties and applications (2006) Prog Polym Sci, 31, p. 603
},
	month = {2009///},
	pages = {635 - 643},
	abstract = {The use of biomaterials to replace lost bone has been a common practice for decades. More recently, the demands for bone repair and regeneration have pushed research into the use of cultured cells and growth factors in association with these materials. Here we report a novel approach to engineer new bone using a transient cartilage scaffold to induce endochondral ossification. Chondrocyte/chitosan scaffolds (both a transient cartilage scaffold- experimental-and a permanent cartilage scaffold-control) were prepared and implanted subcutaneously in nude mice. Bone formation was evaluated over a period of 5 months. Mineralization was assessed by Faxitron, micro computed tomography, backscatter electrons, and Fourier transform infrared spectroscopy analyses. Histological analysis provided further information on tissue changes in and around the implanted scaffolds. The deposition of ectopic bone was detected in the surface of the experimental implants as early as 1 month after implantation. After 3 months, bone trabeculae and bone marrow cavities were formed inside the scaffolds. The bone deposited was similar to the bone of the mice vertebra. Interestingly, no bone formation was observed in control implants. In conclusion, an engineered transient cartilage template carries all the signals necessary to induce endochondral bone formation in vivo. {\textcopyright} Copyright 2009, Mary Ann Liebert, Inc. 2009.},
	keywords = {animal, animal experiment, animal tissue, Animals, article, Biological materials, Biomaterials, Bone, Bone and Bones, Bone formation, bone marrow, bone mineralization, Bone repair, bone transplantation, Calcification, Physiologic, Cartilage, cartilage cell, chick embryo, chitosan, Chondrocytes, Computerized tomography, controlled study, Cultured cell, cytology, drug effect, Ectopic bones, ectopic tissue, electron, enchondral ossification, Endochondral ossification, Fourier transform infrared spectroscopy, Growth (materials), Growth factor, Histological analysis, histology, implantation, in vivo study, In-control, In-vivo, infrared spectroscopy, Ligaments, male, metabolism, methodology, Mice, Mice, Nude, micro-computed tomography, Microcomputed tomography, Microscopy, Electron, Scanning, mineral, Minerals, mouse, Mus, Mus musculus, nonhuman, Nude mice, nude mouse, ossification, physiology, priority journal, Prosthesis Implantation, Scaffolds, Scanning electron microscopy, Spectroscopic analysis, Spectroscopy, Spectroscopy, Fourier Transform Infrared, Tissue changes, Tissue engineering, tissue scaffold, Tissue Scaffolds, Tomography, trabecular bone, vertebra},
	isbn = {19373341 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-64549096039\&partnerID=40\&md5=d389cb8b10be8945007a5b6996b8896f},
	author = {Oliveira, S.M. and Mijares, D.Q. and Turner, G. and Amaral, I.F. and Barbosa, M.A. and Teixeira, C.C.}
}
@article {2296,
	title = {Improving chitosan-mediated gene transfer by the introduction of intracellular buffering moieties into the chitosan backbone},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {5},
	year = {2009},
	note = {Cited By (since 1996): 17Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2009.04.021PubMed ID: 19427930Language of Original Document: EnglishCorrespondence Address: P{\^e}go, A.P.; 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: apego@ineb.up.ptChemicals/CAS: DNA, 9007-49-2; chitosan, 9012-76-4; imidazole, 1467-16-9, 288-32-4; Biocompatible Materials; Buffers; Chitosan, 9012-76-4; DNA, 9007-49-2; Drug CarriersReferences: Kirkpatrick, C.J., Fuchs, S., Peters, K., Brochhausen, C., Hermanns, M.I., Unger, R.E., Visions for regenerative medicine: interface between scientific fact and science fiction (2006) Artif Organs, 30, pp. 822-827;Sim{\~o}es, S., Filipe, A., Faneca, H., Mano, M., Penacho, N., Duzgunes, N., Cationic liposomes for gene delivery (2005) Expert Opin Drug Deliv, 2, pp. 237-254; 
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},
	month = {2009///},
	pages = {2995 - 3006},
	abstract = {Chitosan was functionalized with imidazole moieties (CHimi) with the aim of improving its buffering capacity and promoting the endosomal escape ability of chitosan-DNA complexes, ultimately increasing their transfection efficiency. 5.6\%, 12.9\% and 22.1\% of the glucosamine residues of chitosan were substituted. Complexes with different molar ratios of primary amines to DNA phosphate anion (N/P) were prepared by a coacervation method. For an N/P \&gt; 3, CHimi polymers are able to complex electrostatically with DNA and condense it into positively charged nanostructures (average size 260 nm and zeta potential +16 mV at pH 5.5). In the concentration range 2.5-100 μg ml},
	keywords = {article, beta galactosidase, Biocompatible Materials, Buffers, Cell Line, cell transport, Chemical structure, chitosan, coacervation, complex formation, controlled study, Cytotoxicity, Diffusion, DNA, Drug Carriers, Drug Compounding, endosome, Gene delivery, Gene transfer, genetic transfection, human, human cell, Humans, imidazole, Kidney, materials testing, nanomaterial, nanoparticle, priority journal, protein expression, proton transport, Tissue engineering, Transfection},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-70349162856\&partnerID=40\&md5=fb6672dd0cf06d6ced21eec115b597d2},
	author = {Moreira, C. and Oliveira, H. and Pires, L.R. and Sim{\~o}es, S. and Barbosa, M.A. and P{\^e}go, A.P.}
}
@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; 
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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.}
}
@conference {2292,
	title = {A new method for the detection of singular points in fingerprint images},
	booktitle = {2009 Workshop on Applications of Computer Vision, WACV 2009Workshop Appl. Comput. Vis., WACV},
	series = {2009 Workshop on Applications of Computer Vision, WACV 2009},
	year = {2009},
	note = {Conference code: 79821Export Date: 21 November 2012Source: ScopusArt. No.: 5403106doi: 10.1109/WACV.2009.5403106Language of Original Document: EnglishCorrespondence Address: Magalh{\~a}es, F.; INESC, Porto, Portugal; email: filipe.magalhaes@inescporto.ptReferences: Drets, G.A., Liljenstr{\"o}m, H.G., (1999) Intelligent Biometric Techniques in Fingerprint and Face Recognition, , CRC Press, New York;Hong, L., Wan, Y., Fingerprint image enhancement: Algorithm and performance evaluation (1998) IEEE Transactions On, Pattern Analysis and Machine Intelligence, 20 (8), pp. 777-789; 
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Zhou, J., Chen, F., Gu, J., A novel algorithm for detecting singular points from fingerprint images (2009) IEEE Transactions on Pattern Analysis and Machine Intelligence, 31 (7), pp. 1239-1250
},
	month = {2009///},
	address = {Snowbird, UT},
	abstract = {Automatic biometric identification based on fingerprints is still one of the most reliable identification method in criminal and forensic applications. A critical step in fingerprint analysis without human intervention is to automatically and reliably extract singular points from the input fingerprint images. These singular points (cores and deltas) not only represent the characteristics of local ridge patterns but also determine the topological structure (i.e., fingerprint type) and largely influence the orientation field. Poincar{\'e} Index-based methods are one of the most common for singular points detection. However, these methods usually result in many spurious detections. Therefore, we propose an enhanced version of the method presented by Zhou et al. [13] that introduced a feature called DORIC to improve the detection. Our principal contribution lies in the adoption of a smoothed orientation field and in the formulation of a new algorithm to analyze the DORIC feature. Experimental results show that the proposed algorithm is accurate and robust, giving better results than the best reported results so far, with improvements in the range of 5\% to 7\%. {\textcopyright} 2009 IEEE.},
	keywords = {Algorithms, Biometric identifications, Biometrics, Computer applications, Computer vision, Critical steps, Fingerprint analysis, Fingerprint images, Forensic applications, Human intervention, Identification method, Orientation fields, Poincare, Ridge patterns, Singular points, Structural optimization, Technical presentations, Topological structure},
	isbn = {9781424454976 (ISBN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-77951158127\&partnerID=40\&md5=718a6649dbc13fcb895f23ffff1363d4},
	author = {Magalh{\~a}es, F. and Oliveira, H.P. and Campilho, A.C.}
}
@article {2313,
	title = {Osteogenic differentiation of mesenchymal stem cells using PAMAM dendrimers as gene delivery vectors},
	journal = {Journal of Controlled ReleaseJ. Control. Release},
	volume = {134},
	year = {2009},
	note = {Cited By (since 1996): 29Export Date: 21 November 2012Source: ScopusCODEN: JCREEdoi: 10.1016/j.jconrel.2008.11.007PubMed ID: 19070635Language of Original Document: EnglishCorrespondence Address: Tom{\'a}s, H.; Centro de Qu{\'\i}mica da Madeira, Departamento de Qu{\'\i}mica, Universidade da Madeira, Campus Universitario da Penteada, 9000-390 Funchal, Portugal; email: lenat@uma.ptChemicals/CAS: alkaline phosphatase, 9001-78-9; calcium, 14092-94-5, 7440-70-2; osteocalcin, 136461-80-8; phosphate, 14066-19-4, 14265-44-2; BMP2 protein, human; Bone Morphogenetic Protein 2; Dendrimers; PAMAM Starburst; Polyamines; beta-Galactosidase, 3.2.1.23References: Dai, J., Rabie, A.B.M., Hagg, U., Xu, R.A., Alternative gene therapy strategies for the repair of craniofacial bone defects (2004) Curr. Gene Ther., 4 (4), pp. 469-485;Gersbach, C.A., Phillips, J.E., Garcia, A.J., Genetic engineering for skeletal regenerative medicine (2007) Annu. Rev. Biomed. Eng., 9, pp. 87-119; 
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},
	month = {2009///},
	pages = {141 - 148},
	abstract = {This paper reports the use of different generations of polyamidoamine (PAMAM) dendrimers for the in vitro transfection of mesenchymal stem cells (MSCs). A systematic study was carried out on the transfection efficiency achieved by the PAMAM dendrimers using a β-galactosidase reporter gene system. Transfection results were shown to be dependent upon the generation of dendrimers, the amine to phosphate group ratio and the cell passage number. In all cases, the transfection efficiency was very low. Nevertheless, it was hypothesized that a low transfection level could be sufficient to promote the in vitro differentiation of MSCs towards the osteoblastic lineage. To address this possibility, dendrimers carrying the human bone morphogenetic protein-2 (hBMP-2) gene-containing plasmid were used. All quantitative (alkaline phosphatase activity, osteocalcin secretion and calcium deposition) and qualitative (von Kossa staining) osteogenic markers were significantly stronger in transfected cells when compared to non-transfected ones. This study not only clearly demonstrates that a low transfection level can be sufficient for inducing in vitro differentiation of MSCs to the osteoblast phenotype but also highlights the importance of focusing research on the development of gene delivery vectors in the concrete application. {\textcopyright} 2008 Elsevier B.V. All rights reserved.},
	keywords = {alkaline phosphatase, amine, Amines, animal cell, Animals, article, beta galactosidase, beta-Galactosidase, Bone, Bone morphogenetic protein, bone morphogenetic protein 2, Bone Regeneration, Calcium, Cell culture, cell differentiation, Cell Line, cell lineage, cell survival, Cells, Cells, Cultured, controlled study, dendrimer, Dendrimers, embryo, enzyme activity, Flowcharting, gene expression, Gene transfer, Gene Transfer Techniques, gene vector, Genes, Reporter, genetic transfection, human, human cell, Humans, in vitro study, Kidney, male, Mesenchymal stem cell, Mesenchymal Stem Cells, nonhuman, Nonviral gene delivery, nonviral gene delivery system, Nucleic acids, osteoblast, osteocalcin, Osteogenesis, PAMAM dendrimers, phosphate, plasmid, Plasmids, polyamidoamine, Polyamines, priority journal, protein secretion, Proteins, qualitative analysis, quantitative analysis, rat, Rats, Rats, Wistar, reporter gene, staining},
	isbn = {01683659 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-60649096454\&partnerID=40\&md5=90df49394a581738b41bf29bad341ae8},
	author = {Santos, J.L. and Oramas, E. and P{\^e}go, A.P. and Granja, P.L. and Tom{\'a}s, H.}
}
@article {2324,
	title = {Physical, chemical and in vitro biological profile of chitosan hybrid membrane as a function of organosiloxane concentration},
	journal = {Acta BiomaterialiaActa Biomater.},
	volume = {5},
	year = {2009},
	note = {Cited By (since 1996): 10Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.actbio.2008.07.022PubMed ID: 18722166Language of Original Document: EnglishCorrespondence Address: Hayakawa, S.; Biomaterial Laboratory, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama-shi, 700-8530, Japan; email: satoshi@cc.okayama-u.ac.jpChemicals/CAS: (3 glycidyloxypropyl)trimethoxysilane, 2530-83-8; calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; chitosan, 9012-76-4; silicate, 12627-13-3; Chitosan, 9012-76-4; Cross-Linking Reagents; gamma-glycidoxypropyltrimethoxysilane, 2530-83-8; Silanes; SiloxanesTradenames: AldrichReferences: Lai, J.Y., Lin, F.C., Wang, C.C., Wang, D.M., Effect of nonsolvent additives on the porosity and morphology of asymmetric TPX membranes [J] (1996) J Membrane Sci, 118, pp. 49-61;Wang, D.M., Lin, F.C., Chiang, J.C., Lai, J.Y., Control of porosity of asymmetric TPX membranes [J] (1998) J Membrane Sci, 141, pp. 1-12; 
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Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Novel approach to fabricate porous gelatin-siloxane hybrids for bone tissue engineering (2002) Biomaterials, 23, pp. 4765-4773; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Incorporation of Ca 2+ ions in gelatin-siloxane hybrids through a sol-gel process (2001) J Ceram Soc Jpn, 109, pp. 403-408; 
Rashidova, S.S.h., Shakarova, D.S.h., Ruzimuradov, O.N., Satabaldieva, D.T., Zalyalieva, S.V., Shpigun, O.A., Bionanocompositional chitosan-silica sorbent for liquid chromatography (2004) J Chromatogr B, 800, pp. 49-53; 
Hench, L.L., Ethridge, E.C., (1982) Biomaterials an interfacial approach, , Academic Press, New York 10; 
Xynos, I.D., Hukkanen, M.V.J., Batten, J.J., Buttery, L.D., Hench, L.L., Polak, J.M., Bioglass {\textregistered} 45S5 stimulates osteoblast turnover and enhances bone formation in vitro: implications and applications for bone tissue engineering (2000) Calcif Tissue Int, 67, pp. 321-329; 
Xynos, I.D., Edgar, A.J., Buttery, L.D.K., Hench, L.L., Ionic products of bioactive glass dissolution increase proliferation of human osteoblasts and induce insulin-like growth factor II mRNA expression and protein synthesis (2000) Biochem Biophys Res Commun, 276, pp. 461-465; 
Gough, J.E., Jones, J.R., Hench, L.L., Nodule formation and mineralisation of human primary osteoblasts cultured on a porous bioactive glass scaffold (2004) Biomaterials, 25, pp. 2039-2046; 
Maniatopoulos, C., Sodek, J., Melcher, A., Bone formation in vitro by stromal cells obtained from bone marrow of young adult rats (1988) Cell Tissue Res, 254, pp. 317-330; 
Fernandes, M.H., Costa, M.A., Carvalho, G.S., Mineralization in serially passaged human alveolar bone cells (1997) J Mater Sci Mater Med, 8, pp. 61-65; 
Costa, M.A., Gutierres, M., Almeida, L., Lopes, M.A., Santos, J.D., Fernandes, M.H., In vitro mineralization of human bone marrow cells cultured on Bonelike {\textregistered} (2004) Key Eng Mater, 254-256, pp. 821-824
},
	month = {2009///},
	pages = {346 - 355},
	abstract = {We attempted to prepare chitosan-silicate hybrid for use in a medical application and evaluated the physico-chemical properties and osteocompatibility of the hybrids as a function of γ-glycidoxypropyltrimethoxysilane (GPTMS) concentration. Chitosan-silicate hybrids were synthesized using GPTMS as the reagent for cross-linking of the chitosan chains. Fourier transform infrared spectroscopy,                        29Si CP-MAS NMR spectroscopy and the ninhydrin assay were used to analyze the structures of the hybrids, and stress-strain curves were recorded to estimate their Young{\textquoteright}s modulus. The swelling ability, contact angle and cytocompatibility of the hybrids were investigated as a function of the GPTMS concentration. A certain fraction of GPTMS in each hybrid was linked at the epoxy group to the amino group of chitosan, which was associated with the change in the methoxysilane group of GPTMS due to hybridization. The cross-linking density was around 80\% regardless of the volume of GPTMS. As the content of GPTMS increased, the water uptake decreased and the hydrophilicity of the hybrids increased except when the content exceeded amolar ratio of 1.5, when it caused a decrease. The values of the mechanical parameters assessed indicated that significant stiffening of the hybrids was obtained by the addition of GPTMS. The adhesion and proliferation of the MG63 osteoblast cells cultured on the chitosan-GPTMS hybrid surface were improved compared to those on the chitosan membrane, regardless of the GPTMS concentration. Moreover, human bone marrow osteoblast cells proliferated on the chitosan-GPTMS hybrid surface and formed a fibrillar extracellular matrix with numerous calcium phosphate globular structures, both in the presence and in the absence of dexamethasone. Therefore, the chitosan-GPTMS hybrids are promising candidates for basic materials that can promote bone regeneration because of their controllable composition (chitosan/GPTMS ratio). {\textcopyright} 2008 Acta Materialia Inc.
},
	keywords = {(3 glycidyloxypropyl)trimethoxysilane, article, assay, Biocompatibility, Bone Marrow Cells, calcium phosphate, cell adhesion, Cell Line, Tumor, cell proliferation, cell survival, cell viability, Chemical analysis, chitosan, concentration (parameters), controlled study, cross linking, Cross-Linking Reagents, extracellular matrix, human, human cell, Humans, hydrophobicity, in vitro study, infrared spectroscopy, Magnetic Resonance Spectroscopy, Microscopy, Electron, Scanning, molecular hybridization, Nuclear magnetic resonance spectroscopy, Organic-inorganic hybrid, osteoblast, Osteoblasts, Osteocompatibility, physical chemistry, priority journal, Silanes, silicate, siloxane, Siloxanes, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared, stress strain relationship, structure analysis, surface property, Tissue engineering, unclassified drug, water transport, γ-Glycidoxypropyltrimethoxysilane (GPTMS)},
	isbn = {17427061 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-56649083638\&partnerID=40\&md5=550d9a49b04985f38609e86d9adc5735},
	author = {Shirosaki, Y. and Tsuru, K. and Hayakawa, S. and Osaka, A. and Lopes, M.A. and Santos, J.D. and Costa, M.A. and Fernandes, M.H.}
}
@article {2304,
	title = {Skin adhesive versus subcuticular suture for perineal skin repair after episiotomy - A randomized controlled trial},
	journal = {Acta Obstetricia et Gynecologica ScandinavicaActa Obstet. Gynecol. Scand.},
	volume = {88},
	year = {2009},
	note = {Cited By (since 1996): 3Export Date: 21 November 2012Source: ScopusCODEN: AOGSAdoi: 10.1080/00016340902883133Language of Original Document: EnglishCorrespondence Address: Mota, R.; Servi{\c c}o de Ginecologia e Obstetr{\'\i}cia, Hospital de S. Jo{\~a}o, 4200-319 Porto, Portugal; email: sisporto@med.up.ptChemicals/CAS: Tissue Adhesives; cyanoacrylic acid octyl ester, 6701-17-3; polyglactin, 26780-50-7, 34346-01-5Tradenames: Dermabond, EthiconManufacturers: EthiconReferences: Kettle, C., Hills, R.K., Jones, P., Darby, L., Gray, R., Johanson, R., Continuous versus interrupted perineal repair with standard or rapidly absorbed sutures after spontaneous vaginal birth: A randomized controlled trial (2002) Lancet, 359, pp. 2217-2223;Gordon, B., Mackrodt, C., Fern, E., Truesdale, A., Ayers, S., Grant, A., The Ipswich Childbirth Study: 1. A randomized evaluation of two stage postpartum perineal repair leaving the skin unsutured (1998) Br J Obstet Gynaecol, 105, pp. 435-440; 
Mackrodt, C., Gordon, B., Fern, E., Ayers, S., Truesdale, A., Grant, A., The Ipswich Childbirth Study: 2. A randomized comparison of polyglactin 910 with chromic catgut for postpartum perineal repair (1998) Br J Obstet Gynaecol, 105, pp. 441-445; 
Kettle, C., Johanson, R.B., Continuous versus interrupted sutures for perineal repair (2000) Cochrane DataBase Syst Rev, (2). , CD000947; 
Kettle, C., Hills, R.K., Ismail, K.M.K., Continuous versus interrupted sutures for repair of episiotomy or second degree tears (2007) Cochrane DataBase Syst Rev, (4). , CD000947; 
Gemynthe, A., Langhoff-Roos, J., Sahl, S., Knudsen, J., New VICRYL formulation: An improved method of perineal repair? (1996) Br J Midwifery, 4, pp. 230-234; 
Oboro, V.O., Tabowei, T.O., Loto, O.M., Bosah, J.O., A multicentre evaluation of the two-layered repair of postpartum perineal trauma (2003) J Obstet Gynaecol, 23, pp. 5-8; 
Kindberg, S., Stehouwer, M., Hvidman, L., Henriksen, T.B., Postpartum perineal repair performed by midwives: A randomised trial comparing two suture techniques leaving the skin unsutured (2008) Br J Obstet Gynaecol, 115, pp. 472-479; 
Gennari, R., Rotmensz, N., Ballardini, B., Scevola, S., Perego, E., Zanini, V., A prospective, randomized, controlled clinical trial of tissue adhesive (2-octylcyanoacrylate) versus standard wound closure in breast surgery (2004) Surgery, 136, pp. 593-599; 
Bernard, L., Doyle, J., Friedlander, S.F., Eichenfield, L.F., Gibbs, N.F., Cunningham, B.B., A prospective comparison of octylcya-noacrylate tissue adhesive (dermabond) and suture for the closure of excisional wounds in children and adolescents (2001) Arch Dermatol, 137, pp. 1177-1180; 
Matin, S.F., Prospective randomized trial of skin adhesive versus sutures for closure of 217 laparoscopic port-site incisions (2003) J Am Coll Surg, 196, pp. 845-853; 
Bhende, S., Rothenburger, S., Spangler, D.J., Dito, M., In vitro assessment of microbial barrier properties of Dermabond( topical skin adhesive (2002) Surg Infect, 3, pp. 251-257; 
Rogerson, L., Mason, G.C., Roberts, A.C., Preliminary experience with twenty perineal repairs using Indermil tissue adhesive (2000) Eur J Obstet Gynecol Reprod Biol, 88, pp. 139-142; 
Bowen, M.L., Selinger, M., Episiotomy closure comparing enbucrilate tissue adhesive with conventional sutures (2002) Int J Gynecol Obstet, 78, pp. 201-205; 
Adoni, A., Anteby, E., The use of Histoacryl for the episiotomy repair (1991) Br J Obstet Gynaecol, 98, pp. 476-478; 
Man, J., Quinn, J., Cyanoacrylate tissue adhesives (1997) Am J Cosm Surg, 14, pp. 413-416; 
Maw, J.L., Quinn, J.V., Wells, G.A., Ducic, Y., Odell, P.F., Lamothe, A., A prospective comparison of octylcyanoacrylate tissue adhesive and suture for the closure of head and neck incisions (1997) J Otolaryngol, 26, pp. 26-30
},
	month = {2009///},
	pages = {660 - 666},
	abstract = {Objective. Surgical repair of perineal lesions after delivery is frequently associated with pain and discomfort, interfering with the normal activities of the puerperium. The aim of this study was to compare perineal skin repair after episiotomy with adhesive glue versus a subcuticular suture, regarding the incidence of pain and wound complications. Study design. Randomized clinical trial. Setting. Tertiary care university hospital. Material and methods. One hundred women having mediolateral episiotomy at vaginal delivery were enrolled. They were randomized to receive skin adhesive (n = 53) or subcuticular suture (n = 47) for closure of perineal skin. The main outcome measure was self-evaluated pain in the 30 days following delivery. Secondary outcome measures were technical difficulties reported with the procedure, duration of surgical repair, wound complications observed at 42-68 hours post-partum and re-initiation of sexual activity by 30 days post-partum. Results. No significant differences were observed between the two groups in incidence of technical difficulties and failed procedures, pain during the procedure, wound complications at hospital discharge, self-evaluated measures of pain at 7 and 30 days or re-initiation of sexual activity by 30 days post-partum. The skin adhesive group had a significantly shorter mean duration of the procedure (four minutes less). Conclusion. Perineal skin closure using adhesive glue is faster than subcuticular suture, and associated with a similar incidence of complications and pain in the first 30 days.},
	keywords = {adult, article, clinical trial, comparative study, controlled clinical trial, controlled study, cyanoacrylic acid octyl ester, edema, episiotomy, Episiotomy closure, Female, granuloma, human, Humans, injury, major clinical study, obstetric care, pain, pain assessment, Perineal repair, perineum, perineum injury, polyglactin, priority journal, questionnaire, randomized controlled trial, sexual intercourse, Skin, Skin adhesive, suture, Suture Techniques, suturing method, Tissue adhesive, Tissue Adhesives, treatment outcome, vaginal delivery, wound closure, wound dehiscence, Wounds and Injuries},
	isbn = {00016349 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-66149113694\&partnerID=40\&md5=2a28b4b09b79b1c79c4cf903af92a16c},
	author = {Mota, R. and Costa, F. and Amaral, A. and Oliveira, F. and Santos, C.C. and Ayres-de-Campos, D.}
}
@article {2328,
	title = {3-D biomodelling technology for maxillofacial reconstruction},
	journal = {Materials Science and Engineering CMater. Sci. Eng. C},
	volume = {28},
	year = {2008},
	note = {Cited By (since 1996): 3Export Date: 21 November 2012Source: Scopusdoi: 10.1016/j.msec.2008.02.007Language of Original Document: EnglishCorrespondence Address: Santos, J.D.; Instituto de Engenharia Biom{\'e}dica (INEB), Laborat{\'o}rio de Biomateriais, Rua Campo Alegre, 823, 4150-180 Porto, Portugal; email: jdsantos@fe.up.ptReferences: Pessa, J.E., (2001) Am. J. Orthod. Dentofac. Orthop., 119, p. 117;Poukens, J., Haex, J., Riediger, D., (2003) Comput. Aided Surg., 8 (3), p. 146; 
Brown, G.A., Milner, B., Firoozbakhsh, K., (2002) J. Orthop. Trauma, 16 (5), p. 347; 
Berry, E., Brown, J.M., Connell, M., Craven, C.M., Efford, N.D., Radjenovic, A., Smith, M.A., (1997) Med. Eng. Phys., 19 (1), p. 90; 
Urso, P.S.D., Barker, T.M., Earwaker, W.J., Bruce, L.J., Atkinson, R.L., Lanigan, M.W., Arvier, J.F., Effeney, D.J., (1999) J. Cranio-Maxillo-Facial Surg., 27, p. 30; 
Urso, P.S.D., Thompson, R.G., (1998) Aust. N.Z. J. Obstet. Gynaecol., 38, p. 205; 
Clair, J.J., (1996) J. Mater. Process. Technol., 57, p. 393; 
Pham, D.T., Gault, R.S., (1998) Int. J. Mach. Tools Manuf., 38, p. 1257; 
Onuh, S.O., Hon, K.K.B., (1998) Int. J. Mach. Tools Manuf., 38, p. 329; 
Barker, T.M., Earwaker, W.J., Lisle, D.A., (1994) Australas. Radiol., 38, p. 106; 
Peckitt, N.S., (1999) Br. J. Oral Maxillofac. Surg., 37, p. 353; 
Holck, D.E.E., Boyd Jr., E.M., Ng, J., Mauffray, R.O., B, (1999) Ophthalmology, 106, p. 1214; 
Pessa, J.E., Desvigne, L.D., Lambros, V.S., Nimerick, J., Sugunan, B., Zadoo, V.P., (1999) Aesthet. Plast. Surg., 23, p. 337; 
Gutierres, M., Dias, A.G., Lopes, M.A., Sooraj Hussain, N., Cabral, A.T., Almeida, L., Santos, J.D., (2007) J. Mater. Sci. Mater. Med., 18, p. 2377; 
Gauthier, O., Bouler, J.M., Aguado, E., Pilet, P., Daculsi, G., (1998) Biomaterials, 19 (1-3), p. 133; 
Lu, J.X., Flautre, B., Anselme, K., Hardouin, P., Gallur, A., Descamps, M., Thierry, B., (1999) J. Mater. Sci., Mater. Med., 10 (2), p. 111; 
Martina, M., Subramanyam, G., Weaver, J.C., Hutmacher, D.W., Morse, D.E., Valiyaveettil, S., (2005) Biomaterials, 26 (28), p. 5609; 
Moroni, L., de Wijn, J.R., van Blitterswijk, C.A., (2006) Biomaterials, 27 (7), p. 974; 
Sanghera, B., Naique, S., Papaharilaou, Y., Amis, A., (2001) Rapid Prototyping J., 7 (5), p. 275; 
Pentecost, J.O., Icardo, J., Thornburg, K.L., (1999) Comput. Med. Imaging Graph., 23, p. 45; 
Urso, P.S.D., Atkinson, R.L., Lanigan, M.W., Earwaker, W.J., Bruce, L.J., Holmes, A., Barker, T.M., Thompson, RG., (1998) Br. J. Plast. Surg., 51, p. 522
},
	month = {2008///},
	pages = {1347 - 1351},
	abstract = {Biomodel is a product of rapid prototyping process that represents a new approach for surgical planning and simulation. Biomodels were found to be particularly effective to locate an exact defect with good measurement accuracy and without any risk to the patients{\textquoteright} health. These models could provide surgeons a realistic impression of complex structures before surgical intervention, allowing a define diagnosis and a precise preoperative simulation of skeleton modifying interventions. This work reports on the application of innovative 3-D biomodelling technology in the maxillofacial reconstruction. This technology allows for the calculation of the exact contours, angulations, length and general morphology of iliac crest and fibula flaps for maxillofacial reconstruction in a total of 28 clinical cases. Clinical results have shown that by using this technique, much better facial symmetry and improved functionality were achieved after surgery, which resulted in enormous benefits for treated patients. {\textcopyright} 2008 Elsevier B.V. All rights reserved.},
	keywords = {3D Biomodelling, Biomodels, Complex structures, Concurrent engineering, Facial symmetries, Free flap designing, Health risks, Job analysis, Maxillofacial reconstruction, Measurement accuracies, New approaches, Process engineering, Prototyping processes, Rapid prototyping, Repair, Restoration, Surgical interventions, Surgical planning, Three dimensional},
	isbn = {09284931 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-56549119884\&partnerID=40\&md5=8947ba40759ea882635e8050270e4c93},
	author = {Oliveira, M. and Sooraj Hussain, N. and Dias, A.G. and Lopes, M.A. and Azevedo, L. and Zenha, H. and Costa, H. and Santos, J.D.}
}
@book {2361,
	title = {Biodegradable chitosan-silicate porous hybrids for drug delivery},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {361-363 II},
	year = {2008},
	note = {Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Shirosaki, Y.; Faculdade de Engenharia da Universidade do Porto (FEUP), Rua Dr.Roberto Frias, 4200-465, Porto, Portugal; email: yuki@ineb.up.ptReferences: Tateishi, T., GChen, Ushida, T., (2002) J Artif Organs, 5, p. 77;(2004) Biomaterials science: An introduction to materials in medicine, , edited by B.D.Ratner, A.S. Hoffman, F.J.Schoen, and J.E.Lemons, Elsevier, Academic Press; 
Sinha, V.R., Singla, A.K., Wadhawan, S., Kaushik, R., Kumria, R., Bansal, K., Dhawan, S., (2004) Inter J Pharmace, 274, p. 1; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2005) Biomaterials, 26, p. 485; 
Tsuru, K., Shirosaki, Y., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2005) Key Engineering Mateirals, 284-286, p. 823; 
Ning, S., Yu, N., Brown, D.M., Kanekal, S., Knox, S.J., (1999) Radiother Oncol, 50, p. 215; 
Davis, R.S., Brough, A.R., Atkinson, A., (2003) J Non-Cryst Solid, 315, p. 197; 
Bayomi, M.A., al-Suwayeh, S.A., el-Helw, A.M., Mesnad, A.F., (1998) Pharm Acta Helv, 73, p. 187; 
Akbuga, J., Durmaz, G., (1994) Int J Pharm, 111, p. 217
},
	month = {2008///},
	pages = {1219 - 1222},
	abstract = {Porous chitosan-silicate hybrids were prepared by freeze-drying the precursor sol solutions synthesized from chitosan and 3- glycidoxypropyltrimethoxysilane (GPTMS). Degradability of and the release of cytochrome C in to phosphate buffer saline solution (PBS) were examined as a function of the GPTMS content. The hybrids were less degradable with larger GPTMS contents, and the cytochrome C release profile was so controllable as to give either burst release or slow one due to the GPTMS content. Thus, the present porous chitosan-silicate hybrids were considered applicable to drug delivery systems.},
	keywords = {biodegradability, Buffer saline solution, chitosan, Chitosan silicate hybrid, Chitosan-silicate hybrid, Drug delivery, Porous materials, Proteins, Silicates, Synthesis (chemical)},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-38149045782\&partnerID=40\&md5=520d7fffb6d19fcc96b3fa38036f9bf6},
	author = {Shirosaki, Y. and Tsuru, K. and Hayakawa, S. and Osaka, A.}
}
@book {2362,
	title = {Hybrid chitosan membranes tested in sheep for guided tissue regeneration},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {361-363 II},
	year = {2008},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Cortez, P.P.; Centro de Estudos de Ci{\^e}ncia Animal (CECA), Instituto de Ci{\^e}ncias e Tecnologias Agr{\'a}rias e Agro-Alimentares (ICETA), Campus Agr{\'a}rio de Vair{\~a}o, Rua P. Armando Quintas, 4485-661, Vair{\~a}o, Portugal; email: pcortez@mail.icav.up.ptReferences: Nasser, N.J., Friedman, A., Friedman, M., Moor, E., Mosheiff, R., (2005) Injury, 36, p. 1460;Chandy, T., Sharma, C.P., (1990) Biomater. Artif. Cells Artif. Organs, 18, p. 1; 
Domard, A., Rinaudo, M., (1983) Int J Biol Macromol, 5, p. 49; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2004) Key Eng. Mat, 254-256, p. 857; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2005) Biomaterials, 26, p. 485; 
Ueno, H., Yamada, H., Tanaka, I., Kaba, N., Matsuura, M., Okumura, M., Kadosawa, T., Fujinaga, T., (1999) Biomaterials, 20, p. 1407
},
	month = {2008///},
	pages = {1265 - 1268},
	abstract = {Previous in vitro studies confirmed an improved cytocompatibility of chitosan-silicate hybrid membranes over chitosan membranes. The main goal of this study was to assess the in vivo histocompatibility of both membranes through subcutaneous implantations at different time periods, 1 week, 1, 2 and 3 months, using a sheep model. Chitosan membranes elicited an exuberant inflammatory response and were consequently rejected. The hybrid chitosan membranes were not rejected and the degree of inflammatory response decreased gradually until the third month of implantation. Histological evaluation also showed that these membranes can be resorbed in vivo. This study demonstrates that the incorporation of silicate into the chitosan solution improves its histocompatibility, indicating that the hybrid chitosan-silicate membranes are suitable candidates to be used in clinical applications.},
	keywords = {biodegradability, Biodegradable membrane, Biodegradable membranes, chitosan, Chitosan-silicate hybrid, Guided tissue regeneration (GTR), histology, in vivo study, Membranes, Silicates, Tissue culture},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-38149018476\&partnerID=40\&md5=9a6734a40aa84667fe014796596e1ef3},
	author = {Cortez, P.P. and Shirosaki, Y. and Botelho, C.M. and Sim{\~o}es, M.J. and Gartner, F. and Da Costa, R.M.G. and Tsuru, K. and Hayakawa, S. and Osaka, A. and Lopes, M.A. and Santos, J.D. and Maur{\'\i}cio, A.C.}
}
@article {2336,
	title = {Injectability of a bone filler system based on hydroxyapatite microspheres and a vehicle with in situ gel-forming ability},
	journal = {Journal of Biomedical Materials Research - Part B Applied BiomaterialsJ. Biomed. Mater. Res. Part B Appl. Biomater.},
	volume = {87},
	year = {2008},
	note = {Cited By (since 1996): 9Export Date: 21 November 2012Source: ScopusCODEN: JBMRGdoi: 10.1002/jbm.b.31066PubMed ID: 18437700Language of Original Document: EnglishCorrespondence Address: Oliveira, S. M.; Escola Superior de Tecnologia de Viseu (ESTV), Dep. de Eng. Mec{\^a}nica e Gest{\~a}o Industrial, 3504-510 Viseu, Portugal; email: serafim@ineb.up.ptChemicals/CAS: alginic acid, 28961-37-7, 29894-36-8, 9005-32-7, 9005-38-3; calcium carbonate, 13397-26-7, 13701-58-1, 14791-73-2, 471-34-1; gluconolactonase, 9012-44-6, 9012-73-1; hydroxyapatite, 1306-06-5, 51198-94-8; Bone Substitutes; Durapatite, 1306-06-5; GelsTradenames: Captal S, Plasma BiotalManufacturers: Plasma BiotalReferences: Ribeiro, C.C., Barrias, C.C., Barbosa, M.A., Calcium phosphate-alginate microspheres as enzyme delivery matrices (2004) Biomaterials, 25, pp. 4363-4373;Grabowski, G.A., Leslie, N., Wenstrup, R., Enzyme therapy for Gaucher disease: The first 5 years (1998) Blood Rev, 12, pp. 115-133; 
Melton, L.J., Melton, L.J., Kan, S.H., Frye, M.A., Wahner, H.W., O{\textquoteright}Fallon, W.M., Riggs, B.L., Epidemiology of vertebral fractures in women (1989) Am J Epidemiol, 129, pp. 1000-1011; 
Carrodeguas, R.G., Lasa, B.V., Del Barrio, J.S., injectable acrylic bone cements for vertebroplasty with improved properties (2004) J Biomed Mater Res B Appl Biomater, 68, pp. 94-104; 
Hee, H.T., Percutaneous vertebroplasty: Current concepts and local experience (2005) Neurol India, 53, pp. 475-482; 
Hide, I.G., Gangi, A., Percutaneous vertebroplasty: History, technique and current perspectives (2004) Clin Radiol, 59, pp. 461-467; 
Verlaan, J.J., Oner, F.C., Verbout, A.J., Dhert, W.J., Temperature elevation after vertebroplasty with polymethylmethacrylate in the goat spine (2003) J Biomed Mater Res B Appl Biomater, 67, pp. 581-585; 
Hardouin, P., Grados, F., Cotten, A., Cortet, B., Should percutaneous vertebroplasty be used to treat osteoporotic fractures? An update (2001) Joint Bone Spine, 68, pp. 216-221; 
Berlemann, U., Ferguson, S.J., Nolte, L.P., Heini, P.F., Adjacent vertebral failure after vertebroplasty. A biomechanical investigation (2002) J Bone Joint Surg Br, 84, pp. 748-752; 
Wilcox, R.K., The biomechanical effect of vertebroplasty on the adjacent vertebral body: A finite element study (2006) Proc Inst Mech Eng [H], 220, pp. 565-572; 
Uppin, A.A., Hirsch, J.A., Centenera, L.V., Pfiefer, B.A., Pazianos, A.G., Choi, I.S., Occurrence of new vertebral body fracture after percutaneous vertebroplasty in patients with osteoporosis (2003) Radiology, 226, pp. 119-124; 
Barrias, C.C., Ribeiro, C.C., Barbosa, M.A., Adhesion and proliferation of human osteoblastic cells seeded on injectable hydroxyapatite microspheres (2004) Bioceramics, 254, pp. 877-880; 
Becker, T.A., Kipke, D.R., Brandon, T., Calcium alginate gel: A biocompatible and mechanically stable polymer for endovascular embolization (2001) J Biomed Mater Res, 54, pp. 76-86; 
Alsberg, E., Anderson, K.W., Albeiruti, A., Franceschi, R.T., Mooney, D.J., Cell-interactive alginate hydrogels for bone tissue engineering (2001) J Dent Res, 80, pp. 2025-2029; 
Steinert, A., Weber, M., Dimmler, A., Julius, C., Schutze, N., Noth, U., Cramer, H., Hendrich, C., Chondrogenic differentiation of mesenchymal progenitor cells encapsulated in ultrahigh-viscosity alginate (2003) J Orthop Res, 21, pp. 1090-1097; 
Wang, L., Shelton, R.M., Cooper, P.R., Lawson, M., Triffitt, J.T., Barralet, J.E., Evaluation of sodium alginate for bone marrow cell tissue engineering (2003) Biomaterials, 24, pp. 3475-3481; 
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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, pp. 113-118; 
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},
	month = {2008///},
	pages = {49 - 58},
	abstract = {The aim of this study was to test the injectability of a bone filler system based on the combination of ceramic microspheres with a gel-like vehicle, for noninvasive surgery. Porous hydroxyapatite microspheres with a uniform size and an average diameter of 535 {\textpm} 38 μm were prepared, and their compression strength and friability were tested. The sodium-alginate solution with a concentration of 7.25\% (w/v) was used as the vehicle. To promote its in situ gelation, calcium carbonate and D-gluconic-δ-lactone were added to the solution. Microspheres were mixed with the vehicle at different percentages (20-40 wt \%). Gelation times in the range of 8-20 min, were obtained, depending on the formulation. Mixtures of HAp microspheres with alginate solution at 7.25\% originating a gel in 11 min present an adequate handling time to perform an injection. Their injectability was evaluated using an injection device commonly employed in vertebroplasty surgical procedures, coupled to a texturometer in compression mode. Using an extrusion rate of 0.1 mm/s, the force required to extrude any of the mixtures tested was lower than 100 N. For an extrusion rate of 1 mm/s mixtures with 40 wt \% of microspheres were very difficult to inject. Mixtures with 35 wt \% of microspheres presented the best compromise between injectability and compression strength of the gelled system. MicroCT analysis revealed a homogeneous distribution of the microspheres inside the vehicle, as well as full interconnection of the intra-microspheres spaces. The compression strength for the gelled systems ranged from 80 kPa (gel itself) to 600 kPa (composite with 40 Wt \% of microspheres). {\textcopyright} 2008 Wiley Periodicals, Inc.},
	keywords = {Alginate, alginic acid, Apatite, article, Average diameter, bioengineering, Bone, bone filler system, Bone Substitutes, Calcium, Calcium carbonate, Ceramic, Ceramic microspheres, Coagulation, Colloids, compression, Compression mode, Compression strengths, Compressive Strength, Computerized tomography, Concentration (process), Data compression, Durapatite, Extrusion, Extrusion rates, Fillers, Forming, Gel-forming ability, Gelation, Gels, gluconolactonase, Handling time, Homogeneous distribution, hydrogel, hydroxyapatite, In situ gelation, in situ hybridization, In-situ, Injectability, injection, Injection (oil wells), Micro-CT, microsphere, Microspheres, Mixtures, non invasive procedure, Particle Size, Porous hydroxyapatite, Sodium, Surgery, Surgical procedures, Uniform size, Vehicles, Vertebroplasty},
	isbn = {15524973 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-52449123139\&partnerID=40\&md5=cc648bad01cb2c6aa01d885acac10e8a},
	author = {Oliveira, S.M. and Barrias, C.C. and Almeida, I.F. and Costa, P.C. and Pena Ferreira, M.R. and Bahia, M.F. and Barbosa, M.A.}
}
@article {2354,
	title = {PLD bioactive ceramic films: The influence of CaO-P                    2O 
                    5 glass additions to hydroxyapatite on the proliferation and morphology of osteblastic like-cells
},
	journal = {Journal of Materials Science: Materials in MedicineJ. Mater. Sci. Mater. Med.},
	volume = {19},
	year = {2008},
	note = {Cited By (since 1996): 4Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/s10856-007-3331-zPubMed ID: 18058197Language of Original Document: EnglishCorrespondence Address: Oliveira, G. M.; Universidade Fernando Pessoa, Pra{\c c}a Nove de Abril 349, 4249-004 Porto, Portugal; email: gisela@ufp.ptChemicals/CAS: calcium oxide, 1305-78-8; hydroxyapatite, 1306-06-5, 51198-94-8; oxide, 16833-27-5; Biocompatible Materials; Calcium Compounds; Ceramics; Durapatite, 1306-06-5; Oxides; Phosphorus Compounds; Polystyrenes; lime, 1305-78-8; phosphorus pentoxide, 1314-56-3References: Hench, L.L., (1991) J. Am. Ceram. Soc., 74, p. 1487;Hench, L.L., (1998) Biomaterials, 19, p. 1419; 
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},
	month = {2008///},
	pages = {1775 - 1785},
	abstract = {This work consists on the evaluation of the in vitro performance of Ti6Al4V samples PLD (pulsed laser deposition) coated with hydroxyapatite, both pure and mixed with a CaO-P                        2O
                        5 glass. Previous studies on immersion of PLD coatings in SBF, showed that the immersion apatite films did not present the usual cauliflower morphology but replicated the original columnar structure and exhibited good bioactivity. However, the influence of glass associated to hydroxyapatite concerning adhesion, proliferation and morphology of MG63 cells on the films surface was unclear. In this study, the performance of these PLD coated samples was evaluated, not only following the physical-chemical transformations resulting from the SBF immersion, but also evaluating the cytocompatibility in contact with osteoblast-like MG63 cells. SEM and AFM confirmed that the bioactive ceramic PLD films reproduce the substrate{\textquoteright}s surface topography and that the films presented good adherence and uniform surface roughness. Physical-chemical phenomena occurring during immersion in SBF did not modify the original columnar structure. In contact with MG63 cells, coated samples exhibited very good acceptance and cytocompatibility when compared to control. The glass mixed with hydroxyapatite induced higher cellular proliferation. Cells grown on these samples presented many filipodia and granular structures, typical features of osteoblasts. {\textcopyright} 2007 Springer Science+Business Media, LLC.
},
	keywords = {Apatite, Apatite films, Bioactive ceramic films, Bioactive glass, Bioactivity, Bioceramics, Biocompatible Materials, Biofilms, Brassica oleracea var. botrytis, Calcium Compounds, calcium oxide, Cauliflower morphology, cell adhesion, cell proliferation, cell structure, cell survival, ceramics, Columnar structure, conference paper, controlled study, Durapatite, glass, human, human cell, Humans, hydroxyapatite, Lasers, materials testing, Microscopy, Atomic Force, Microscopy, Electron, Scanning, morphology, osteoblast, Osteoblasts, oxide, Oxides, phosphorous pentoxide, Phosphorus Compounds, Polystyrenes, priority journal, Pulsed laser deposition, unclassified drug},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-40949140642\&partnerID=40\&md5=de09d5133a0616668cb5e57135d91ae6},
	author = {Oliveira, G.M. and Ferraz, M.P. and Gonz{\'a}lez, P.G. and Serra, J. and Leon, B. and P{\`e}rez-Amor, M. and Monteiro, F.J.}
}
@article {2356,
	title = {Synthesis and cytocompatibility of porous chitosan-silicate hybrids for tissue engineering scaffold application},
	journal = {Chemical Engineering JournalChem. Eng. J.},
	volume = {137},
	year = {2008},
	note = {Cited By (since 1996): 13Export Date: 21 November 2012Source: ScopusCODEN: CMEJAdoi: 10.1016/j.cej.2007.10.012Language of Original Document: EnglishCorrespondence Address: Osaka, A.; Graduate School of Natural Science and Technology, Okayama University, Okayama, 700-8530, Japan; email: osaka@cc.okayama-u.ac.jpReferences: Tateishi, T., Chen, G., Ushida, T., Biodegradable porous scaffolds for tissue engineering (2002) J. Artif. Organs, 5, pp. 77-83;Lee, Y.-K., Mooney, J.D., Hydrogels for tissue engineering (2001) Chem. Rev., 101, pp. 1869-1879; 
Park, S.-N., Park, J.-C., Kim, H.-O., Song, M.-J., Suh, H., Characterization of porous collagne/hyaluronic acid scaffold modified by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide cross-linking (2002) Biomaterials, 23, pp. 1205-1212; 
Kuo, C.-K., Ma, P.-X., Ionically crosslinked alginate hydrogels as scaffolds for tissue engineering: Part 1. Structure, gelation rate and mechanical properties (2001) Biomaterials, 22, pp. 511-521; 
Widmer, M.S., Gupta, P.K., Lu, L., Meszlenyi, R.K., Evans, G.R.D., Brandt, K., Savel, T., Mikos, A.G., Manufacture of porous biodegradable polymer conduits by an extrusion process for guided tissue regeneration (1998) Biomaterials, 19, pp. 1945-1955; 
Wang, Y.-C., Lin, M.-C., Wang, D.-M., Hsieh, H.-J., Fabrication of a novel porous PGA-chitosan hybrid matrix for tissue engineering (2003) Biomaterials, 24, pp. 1047-1057; 
Park, Y.-J., Lee, M.-Y., Lee, J.-Y., Seol, Y.-J., Chung, C.-P., Lee, S.-J., Controlled release of platelet-derived growth factor-BB from chondroitin sulfate-chitosan sponge for guided bone regeneration (2000) J. Control. Release, 67, pp. 385-394; 
Lee, J.-Y., Nam, S.-H., Im, S.-Y., Park, Y.-J., Lee, Y.-M., Seol, Y.-J., Chung, C.-P., Lee, S.-J., Enhanced bone formation by controlled growth factor delivery from chitosan-based biomaterials (2002) J. Control. Release, 78, pp. 187-197; 
Wan, Y., Wu, H., Wen, D., Porous-conductive chitosan scaffolds for tissue engineering: 1. Preparation and characterization (2004) Macromol. Biosci., 4, pp. 882-890; 
Li, J., Pan, J., Zhang, L., Guo, X., Yu, Y., Culture of primary rat hepatocytes within porous chitosan scaffolds (2003) J. Biomed. Mater. Res., 67 A, pp. 938-943; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Sol-gel preparation and in vitro deposition of apatite on porous gelatin-siloxane hybrids (2001) J. Non-Cryst. Solid, 285, pp. 116-122; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Novel approach to fabricate porous gelatin-siloxane hybrids for bone tissue engineering (2002) Biomaterials, 23, pp. 4765-4773; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., In vitro cytocompatibility of MG63 cells on chitosan-organosiloxane hybrids membranes (2005) Biomaterials, 26, pp. 485-493; 
Hua, H., Jie, W., Changshengh, L., Development of asymmetric gradational-changed porous chitosan membrane for guided periodontal tissue regeneration (2007) Compos. B, 38, pp. 311-316; 
Clover, J., Gowen, M., Are MG63 and HOS TE 85 human osteosarcoma cell lines representative models of the osteoblastic phenotype? (1994) Bone, 15, pp. 585-5911; 
Kang, H.-W., Tabata, Y., Ikada, Y., Fabrication of porous gelatin scaffolds for tissue engineering (1999) Biomaterials, 20, pp. 1339-1344; 
Ho, M.-H., Kuo, P.-Y., Hsieh, H.-J., Hsien, T.-Y., Hou, L.-T., Lai, J.-Y., Wang, D.-M., Preparation of porous scaffolds by using freeze-extraction and freeze-gelation methods (2004) Biomaterials, 25, pp. 129-138
},
	month = {2008///},
	pages = {122 - 128},
	abstract = {Chitosan-silicate hybrids with 3D porous structures were prepared with freeze-drying precursor solutions derived from chitosan and γ-glycidoxypropyltrimethoxysilane (GPTMS). They were formed easily in any shape, such as sheets, pellets, disks, granules, and even roll-cakes. The pore size was strongly dependent on the freezing temperature: lower freezing temperature resulted smaller pores, about 110 μm for the hybrids frozen at -20 {\textdegree}C, and about 50 μm for those at -85 {\textdegree}C. The pore size was little dependent on the GPTMS content. In contrast, the GPTMS content affected porosity a littlie: \~{}80\% for chitosan, and \~{}90\% for the GPTMS-containing hybrids. Thus, their porous microstructure was controllable due to the freezing temperature and composition. MG63 osteoblastic cells were cultured up to 7 days on the porous hybrids. The cells adhered on the pore walls, proliferated, and migrated deep into the pore structure. It was thus concluded that the present chitosan-silicate hybrids were promising for tissue engineering scaffold applications. {\textcopyright} 2007 Elsevier B.V. All rights reserved.},
	keywords = {chitosan, Cytocompatibility, GPTMS, Organic-inorganic hybrid, Osteoblastic cell MG63, Osteoblasts, Pore size, Pore structure, Scaffold, Silicates, Tissue engineering, γ-Glycidoxypropyltrimethoxysilane (GPTMS)},
	isbn = {13858947 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-38949146037\&partnerID=40\&md5=e26163ca30dda2875f5c9dd2316bdd4e},
	author = {Shirosaki, Y. and Okayama, T. and Tsuru, K. and Hayakawa, S. and Osaka, A.}
}
@book {2363,
	title = {Three dimensional macroporous calcium phosphate scaffolds for bone tissue engineering},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {361-363 II},
	year = {2008},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Teixeira, S.; INEB, Instituto de Engenharia Biom{\'e}dica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre 823, 4150-180, Porto, Portugal; email: smsilva@ineb.up.ptReferences: Rose, F.R., Cyster, L.A., Grant, D.M., Scotchford, C.A., Howdle, S.M., Shakesheff, K.M.K.M., In vitro assessment of cell penetration into porous hydroxyapatite scaffolds with a central aligned channel (2004) Biomaterials, 25 (24), pp. 5507-5514;Anthony, C., Analysis of 3D bone ingrowth into polymer scaffolds via micro-computed tomography imaging (2004) Biomaterials, 25 (20), pp. 4947-4954; 
Teixeira, S., Fernandes, H.M., de Boer, J., Ferraz, M.P., Monteiro, F.J., Mesenchymal stem cell proliferation and morphological analysis on interconnected macroporous structures (2007) Key Engineering Materials, 330-332, pp. 1129-1132. , Vols
},
	month = {2008///},
	pages = {947 - 950},
	abstract = {Calcium phosphate ceramics are widely used as bone substitutes since they are biocompatible and bioactive. Having a chemical composition close to natural bone, calcium phosphate ceramics are promising bone substitute materials in orthopaedics, maxillofacial surgery and dentistry. Hydroxyapatite (HA) and tricalcium phosphate (TCP) are the most commonly used calcium phosphates, because their calcium/phosphorus (Ca/P) ratios are close to that of natural bone and they are relatively stable in physiological environment. HA is a major constituent of bone materials and is resorbed after a long time of residence in the body. In this work, highly porous hydroxyapatite scaffolds were produced by polymer replication method and their properties evaluated by Scanning Electron Microscopy (SEM) and micro computerized tomography (μ-CT).},
	keywords = {Biocompatibility, Bone, calcium phosphate, Calcium phosphates, Computerized tomography, Maxillofacial prostheses, Maxillofacial surgery, Micro computerized tomography, Porous, Scaffolds, Scanning electron microscopy, Tissue engineering},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-38149045804\&partnerID=40\&md5=d137e6232587d31ba95a0c04c781c90a},
	author = {Teixeira, S. and Oliveira, S. and Ferraz, M.P. and Monteiro, F.J.}
}
@book {2412,
	title = {                    31P MAS-NMR studies of CaO-P
                    2O
                    5 glass ceramics
},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {309-311 I},
	year = {2006},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Dias, A.G.; Instituto de Engenharia Biom{\'e}dica (INEB), Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre 823, 4150-180 Porto, Portugal; email: agdias@fe.up.ptReferences: J{\"a}ger, C., Hartmann, P., Witter, R., Braun, M., (2000) J. Non-cryst. Solids, 263, p. 61;Hartmann, P., Vogel, J., Schnabel, B., (1994) J. Non-cryst. Solids, 176, p. 157; 
Dias, A.G., Lopes, M.A., Gibson, I.R., Santos, J.D., (2003) J. Non-cryst. Solids, 330, p. 81; 
Dias, A.G., Skakle, J.M.S., Gibson, I.R., Lopes, M.A., Santos, J.D., (2005) J. Non-cryst. Solids, 351, p. 810; 
Brow, R.K., (2000) J. Non-cryst. Solids, 263, p. 1; 
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Kirkpatrick, R.J., Brown, R.K., (1995) Sol. Stat. Nucl. Mag. Resonance, 5, p. 9
},
	month = {2006///},
	pages = {301 - 304},
	abstract = {This work reports the structure of two glass ceramics prepared in the calcium phosphate system, MK5B and MT13B, using                        31P MAS-NMR technique. The results obtained showed that the network of MK5B consisted mainly of Q
                        1 and Q
                        2 groups. Besides these two groups, MT13B material also present Q
                        3 units. The Q
                        n groups detected in both glass ceramics seem to be correlated to the crystalline phases present in their microstructure.
},
	keywords = {Biomaterials, calcium phosphate, Crystalline materials, Crystalline phases, Glass ceramics, Lime, MAS-NMR technique, Microstructure, NMR, Nuclear magnetic resonance spectroscopy},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33645382187\&partnerID=40\&md5=353cae72417fac19dba1115041250e95},
	author = {Dias, A.G. and Lopes, M.A. and Tsuru, K. and Hayakawa, S. and Santos, J.D. and Osaka{\textquoteright}, A.}
}
@article {2422,
	title = {In vivo performance of biodegradable calcium phosphate glass ceramics using the rabbit model: Histological and SEM observation},
	journal = {Journal of Biomaterials ApplicationsJ. Biomater. Appl.},
	volume = {20},
	year = {2006},
	note = {Cited By (since 1996): 10Export Date: 21 November 2012Source: ScopusCODEN: JBAPEdoi: 10.1177/0885328206052466Language of Original Document: EnglishCorrespondence Address: Santos, J.D.; Instituto de Engenharia Biom{\'e}dica (INEB), Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: jdsantos@fe.up.ptChemicals/CAS: calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; Bone Substitutes; calcium phosphate, 10103-46-5; Calcium Phosphates; CeramicsReferences: Parikh, S.N., Bone Graft Substitutes in Modern Orthopedics (2002) Orthopedics, 25 (11), pp. 1301-1309;Tomford, W.W., Bone Allografts: Past, Present and Future (2000) Cell and Tissue Banking, 1, pp. 105-109; 
Betz, R.R., Limitations of Autograft and Allograft: New Synthetic Solutions (2002) Orthopedics, 25 (5), pp. S561-S570; 
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Porter, A.E., Patel, N., Skepper, J.N., Best, S.M., Bonfield, W., Comparison of in vivo Dissolution Processes in Hydroxyapatite and Silicon-substituted Hydroxyapatite Bioceramics (2003) Biomaterials, 24 (25), pp. 4609-4620; 
Raynaud, S., Champion, E., Lafon, J.P., Bernache-Assollant, D., Calcium Phosphate Apatites with Variable Ca/P Atomic Ratio III Mechanical Properties and Degradation in Solution of Hot Pressed Ceramics (2002) Biomaterials 23, 4, pp. 1081-1089; 
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Shelby, J.E., (1997) Introduction to Glass Science and Technology, , The Royal Society of Chemistry, UK; 
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Dias, A.G., Lopes, M.A., Gibson, I.R., Santos, J.D., In vitro Degradation Studies of Calcium Phosphate Glass Ceramics Prepared by Controlled Crystallization (2003) Journal of Non-Crystalline Solids, 330 (1-3), pp. 81-89; 
Dias, A.G., Lopes, M.A., Santos, J.D., Protein Adsorption Effect on in vitro Acellular Biodegradation of CaO-P 2O 5 Glass Ceramics (2004) Advanced Materials Forum, 455-456, pp. 398-401; 
Dias, A.G., Skakle, J.M.S., Gibson, I.R., Lopes, M.A., Santos, J.D., In situ Thermal and Structural Characterization of Bioactive Calcium Phosphate Glass Ceramics Containing TiO 2 and MgO Oxides: HT-XRD Studies (2005) Journal of Non-Crystalline Solids, 351, pp. 810-817; 
Dias, A.G., Tsuru, K., Hayakawa, T., Lopes, M.A., Santos, J.D., Osaka, A., Crystallisation Studies of Biodegradable CaO-P 2O 5 Glass with MgO and TiO 2 for Bone Regeneration Applications (2004) Glass Technology, 45 (2), pp. 78-79; 
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Dias, A.G., Lopes, M.A., Gibson, I.R., Skakle, J.M.S., Tsuru, K., Hayakawa, S., Osaka, A., Santos, J.D., Studies of Calcium Phosphate Glass Ceramic Containing TiO 2 and MgO Ions: Dissolution Behavior, , vitro (submitted)
},
	month = {2006///},
	pages = {253 - 266},
	abstract = {Two MK5 (45CaO-45P                        2O
                        5-5MGO-5K
                        2O, in mol\% and MT13 (45CaO-37P
                        2O
                        5-5MgO-13TiO 
                        2, in mol\%) glasses are prepared in the meta- and pyrophosphate regions and crystallized to obtain MK5B and MT13B, respectively. MK5B was obtained by controlled crystallization, and MT13B by powder sintering. As a result of these heat treatment processes, the crystalline phases precipitated in the glassy matrix are KCa(PO
                        3)
                        3, β-Ca(PO
                        3)
                        2, β-Ca
                        2P
                        2O
                        7 and Ca
                        4P
                        6O
                        19 phases for MK5B and CaTi
                        4(PO
                        4)
                        6, TiP
                        2O
                        7, α- and β-Ca
                        2P
                        2O
                        7 phases for MT13B. To assess the in vivo biological behavior of these glass ceramics, a mixed granulometry in the range 250-355 μm and 355-425 μm with a ratio of 1/1 was implanted for 2, 4, and 12 weeks in the tibiae of Japanese white rabbits. The results showed that the in vivo behavior was strongly affected by their solubility. All implanted materials, MK5B and MT13B, and β-tricalcium phosphate (β-TCP) as control material, showed signs of degradation in vivo. However, the levels of degradation were quite different throughout the implantation periods. The highest degradation was observed for MK5B glass ceramic and the lowest for MT13B with β-TCP in-between. All implanted materials allow for new bone formation in the bone defect area. At the longest implantation period (12 weeks), the MT13B and β-TCP materials were almost completely surrounded by new bone tissue, whereas MK5B showed some unfilled spaces. This behavior is discussed in terms of the high degradation observed in previous studies. {\textcopyright} 2006 SAGE Publications.
},
	keywords = {Absorbable Implants, animal, Animals, article, Biodegradable glass ceramics, biodegradable implant, Biodegradation, bone prosthesis, Bone Substitutes, bone tissue, Calcium Compounds, calcium phosphate, Calcium phosphates, ceramics, chemistry, disease model, Disease Models, Animal, glass, Glass ceramics, histology, Imaging techniques, In vivo testing, materials testing, Optical microscopy, Pathology, rabbit, Rabbits, Scanning electron microscopy, tibia fracture, Tibial Fractures, Tissue, treatment outcome, X ray diffraction analysis},
	isbn = {08853282 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-31644441745\&partnerID=40\&md5=68f1ef16695697c5125c50fd348eccb0},
	author = {Dias, A.G. and Lopes, M.A. and Santos, J.D. and Afonso, A. and Tsuru, K. and Osaka, A. and Hayakawa, S. and Takashima, S. and Kurabayashi, Y.}
}
@article {2407,
	title = {Silicon addition to hydroxyapatite increases nanoscale electrostatic, van der Waals, and adhesive interactions},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {78},
	year = {2006},
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},
	month = {2006///},
	pages = {352 - 363},
	abstract = {The normal intersurface forces between nanosized probe tips functionalized with COO},
	keywords = {Adhesives, article, Atomic force microscopy, Biocompatible Materials, biomaterial, Biomaterials, Bone, cell adhesion, chemical binding, chemical interaction, derjaguin landau verwey overbeek approximation, Durapatite, electrochemical analysis, Electrostatic, Electrostatics, high resolution force spectroscopy, hydroxyapatite, materials testing, mathematical analysis, Microscopy, Electron, Scanning, Monolayers, Nanomechanics, Nanostructures, Particle Size, Poisson distribution, Polycrystalline materials, Silicon, Silicon-substituted hydroxyapatite, Spectrophotometry, Spectroscopy, Spectroscopy, Fourier Transform Infrared, Stress, Mechanical, Surface charge, surface property, thiol derivative, Van der Waals, Van der Waals forces},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-33745965657\&partnerID=40\&md5=df44bade2fb0a3af786b193c7f42d71a},
	author = {Vandiver, J. and Dean, D. and Patel, N. and Botelho, C. and Best, S. and Santos, J.D. and Lopes, M.A. and Bonfield, W. and Ortiz, C.}
}
@article {2458,
	title = {Bonelike{\textregistered}/PLGA hybrid materials for bone regeneration: Preparation route and physicochemical characterisation},
	journal = {Journal of Materials Science: Materials in MedicineJ. Mater. Sci. Mater. Med.},
	volume = {16},
	year = {2005},
	note = {Cited By (since 1996): 8Export Date: 21 November 2012Source: ScopusCODEN: JSMMEdoi: 10.1007/s10856-005-6687-yLanguage of Original Document: EnglishCorrespondence Address: Santos, J.D.; INEB - Inst. de Engenharia Biomedica, Laborat{\'o}rio de Biomateriais, Rua do Campo Alegre, 823, 4150-180 Porto, Portugal; email: jdsantos@fe.up.ptChemicals/CAS: hydroxyapatite, 1306-06-5, 51198-94-8; lactic acid, 113-21-3, 50-21-5; polyglycolic acid, 26124-68-5; cyclohexane, 110-82-7; methanol, 67-56-1; polyglactin, 26780-50-7, 34346-01-5; silane, 7803-62-5; water, 7732-18-5; Durapatite, 1306-06-5; Lactic Acid, 50-21-5; Polyglycolic Acid, 26009-03-0; polylactic acid-polyglycolic acid copolymer; Polymers; SilanesTradenames: Bonelike, AldrichManufacturers: AldrichReferences: Aoki, H., (1991) Science and Medical Applications of Hydroxyapatite, , JAAS;Glimcher, M.J., (1976) Handbook of Physiology, Endocrinology, , edited by R. O. Greep and E. B. Astwood (American Physiological Society, Washington D.C.); 
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Lopes, M.A., Knowles, J.C., Santos, J.D., Monteiro, F.J., Olsen, I., (2000) Biomaterials, 21, p. 1165; 
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},
	month = {2005///},
	pages = {253 - 259},
	abstract = {Bonelike{\textregistered}/PLGA hybrid materials have been developed using γ-MPS as silane-coupling agent between the inorganic and organic phases for controlled drug delivery applications. Silanization showed to be more effective when cyclohexane was used as a non-polar solvent (nP method) due to a chemical interaction between Bonelike{\textregistered}, and the silane film, while by using a 95/5 (V/V) methanol/water as a polar solvent (P method), a much thinner film was achieved. Functional groups of PLGA, such as the carbonyl group (C=O), were identified using Raman and FTIR-ATR analysis and therefore these groups may be used to link therapeutic molecules. These novel hybrid materials prepared by combining silanization and post-hybridisation processes are expected to find use in medical applications of bone regeneration and as drug delivery carrier for therapeutic molecules. {\textcopyright} 2005 Springer Science + Business Media, Inc.},
	keywords = {analytic method, article, Biological materials, Bone, Bone Regeneration, carbonyl derivative, chemical bond, chemical interaction, chemical reaction, Chemical reactions, chemistry, Chemistry, Physical, cyclohexane, Drug delivery, drug delivery system, Drug therapy, Durapatite, film, Fourier transform infrared spectroscopy, Hybrid materials, hybridization, hydroxyapatite, infrared spectroscopy, Lactic Acid, methanol, methodology, Microscopy, Electron, Scanning, Molecules, physical chemistry, polyglactin, polyglycolic acid, polylactic acid polyglycolic acid copolymer, polylactic acid-polyglycolic acid copolymer, polymer, Polymers, priority journal, Raman spectrometry, Raman spectroscopy, reaction analysis, Scanning electron microscopy, silane, silane derivative, Silanes, Silanization, solvent effect, Solvents, Spectroscopy, Fourier Transform Infrared, Spectrum Analysis, Raman, synthesis, Water, X ray, X-Rays},
	isbn = {09574530 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-15244353590\&partnerID=40\&md5=55644ee9e5b6fa323ca5693fafe0d8d7},
	author = {Oliveira, J.M. and Miyazaki, T. and Lopes, M.A. and Ohtsuki, C. and Santos, J.D.}
}
@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; 
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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 {2437,
	title = {In vitro biodegradability of chitosan-organosiloxane hybrid membrane},
	series = {Key Engineering MaterialsKey Eng Mat},
	volume = {284-286},
	year = {2005},
	note = {Cited By (since 1996): 2Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Tsuru, K.; Faculty of Engineering, Biomaterial Laboratory, Okayama University, Tsushima, Okayama 700-8530, Japan; email: kanji@cc.okayama-u.ac.jpReferences: Chandy, T., Sharma, P.C., (1990) Biomat Art Cells Art Org, 18, pp. 1-24;Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., (2001) J Ceram Soc Japan, 109, pp. 403-408; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., (2002) Biomaterials, 23, pp. 4765-4773; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2004) Key Engineering Materials, 254-256, pp. 857-860; 
Shirosaki, Y., Tsuru, K., Hayakawa, S., Osaka, A., Lopes, M.A., Santos, J.D., Fernandes, M.H., (2005) Biomaterials, 26, pp. 485-493; 
S. Prochazkova, K. M. V{\r a}rum, K. {\O}stgaard, Carbohydrate Polymers, 38 (1999), p. 115-122Brinker, J.C., Scherer, G.W., (1989) Sol-Gel Science, The Physics and Chemistry of Sol-Gel Processing, , Academic Press, San Diego
},
	month = {2005///},
	pages = {823 - 826},
	abstract = {Chitosan-silicate hybrid membranes were prepared using γ- glycidoxypropyltrimethoxysilane (GPSM) through a sol-gel process. The amino groups of chitosan chains were reacted with the epoxy groups of GPSM and GPSM have a function as the agent to cross-link the chitosan chains. The cross-linking degree of the hybrid membranes was determined by ninhydrin assay. Fourier-transform infrared (FT-IR) spectroscopy and                        29Si cross-polarization (CP) magic-angle spinning (MAS)-NMR spectroscopy were used to assess the structure of the hybrid membranes. The biodegradability of the hybrid membranes in phosphate-buffered saline solution or lysozyme solution was investigated as a function of the GPSM concentration.
},
	keywords = {biodegradability, Biological membranes, chitosan, Chitosan chains, Chitosan inorganic hybrid membranes, Chitosan-lnorganlc hybrid, Crosslinking, Fourier transform infrared spectroscopy, Nuclear magnetic resonance spectroscopy, R- glycidoxypropyltrimethoxysilane GPSM, Reaction kinetics, Silicates, Sol-gel process},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34249091650\&partnerID=40\&md5=51e1b69bd7dc1b4c23b022e4ec338e8a},
	author = {Tsuru, K. and Shirosaki, Y. and Hayakawa, S. and Osaka, A. and Lopes, M.A. and Santos, J.D. and Fernandas, M.H.}
}
@article {2459,
	title = {In vitro cytocompatibility of MG63 cells on chitosan-organosiloxane hybrid membranes},
	journal = {BiomaterialsBiomaterials},
	volume = {26},
	year = {2005},
	note = {Cited By (since 1996): 55Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/j.biomaterials.2004.02.056PubMed ID: 15276356Language of Original Document: EnglishCorrespondence Address: Hayakawa, S.; Biomaterial Laboratory, Faculty of Engineering, Okayama Univ., 3-1-1 T., Okayama-shi, Japan; email: satoshi@cc.okayama-u.ac.jpChemicals/CAS: calcium chloride, 10043-52-4; Alkaline Phosphatase, EC 3.1.3.1; Biocompatible Materials; Calcium, 7440-70-2; Chitosan, 9012-76-4; Cross-Linking Reagents; gamma-glycidoxypropyltrimethoxysilane, 2530-83-8; Membranes, Artificial; Neoplasm Proteins; SilanesManufacturers: Chisso, Japan; Kasei, JapanReferences: Park, J.B., Lakes, R.S., (1992) Biomaterials An Introduction, pp. 223-234. , New York: Plenum Press;Wise, D.L., (2000) Biomaterials and Bioengineering Handbook, pp. 556-559. , New York: Marcel Dekker; 
Lee, Y.K., Mooney, J.D., Hydrogels for tissue engineering (2001) Chem Rev, 101, pp. 1869-1879; 
Park, S.N., Park, J.C., Kim, H.O., Song, M.J., Suh, H., Characterization of porous collagen/hyaluronic acid scaffold modified by 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide cross-linking (2002) Biomaterials, 23, pp. 1205-1212; 
Kuo, C.K., Ma, P.X., Ionically crosslinked alginate hydrogels as scaffolds for tissue engineering: Part 1 Structure, gelation rate and mechanical properties (2001) Biomaterials, 22, pp. 511-521; 
Widmer, M.S., Gupta, P.K., Lu, L., Meszlenyi, R.K., Evans, G.R.D., Brandt, K., Savel, T., Mikos, A.G., Manufacture of porous biodegradable polymer conduits by an extrusion process for guided tissue regeneration (1998) Biomaterials, 19, pp. 1945-1955; 
Wang, Y.C., Lin, M.C., Wang, D.M., Hsieh, H.J., Fabrication of a novel porous PGA-chitosan hybrid matrix for tissue engineering (2003) Biomaterials, 24, pp. 1047-1057; 
Domard, A., Rinaudo, M., Preparation and characterization of fully deacetylated chitosan (1983) Int J Biol Macromol, 5, pp. 49-52; 
Chandy, T., Sharma, P.C., Chitosan - As a biomaterial (1990) Biomater Artif Cells Artif Organo, 18, pp. 1-24; 
Ueno, H., Yamada, H., Tanaka, I., Kaba, N., Matsuura, M., Okumura, M., Kadosawa, T., Fujinaga, T., Accelerating effects of chitosan for healing at early phase of experimental open wound in dogs (1999) Biomaterials, 20, pp. 1407-1414; 
Varma, H.K., Yokogawa, Y., Espinosa, F.F., Kawamoto, Y., Nishizawa, K., Nagata, F., Kameyama, T., Porous calcium phosphate coating over phosphorylated chitosan film by a biomimetic method (1999) Biomaterials, 20, pp. 879-884; 
Xiao, C., Gao, S., Wang, H., Zhang, L., Blend films from chitosan and konjac glucomannan solutions (2000) J Appl Polym Sci, 76, pp. 509-515; 
Chung, T.W., Lu, Y.F., Wang, S.S., Lin, Y.S., Chu, S.H., Growth of human endothelial cells on photochemically grafted Gly-Arg-Gly-Asp (GRGD) chitosans (2002) Biomaterials, 23, pp. 4803-4809; 
Muzzareli, R.A.A., Mattioli-Belmonte, M., Tietz, C., Biagini, R., Ferioli, G., Brunelli, M.A., Fini, M., Biagini, G., Stimulatory effect on bone formation exerted by a modified chitosan (1994) Biomaterials, 15, pp. 1075-1081; 
Park, Y.J., Lee, M.Y., Lee, J.Y., Seol, Y.J., Chung, C.P., Lee, S.J., Controlled release of platelet-derived growth factor-BB from chondroitin sulfate-chitosan sponge for guided bone regeneration (2000) J Controlled Rel, 67, pp. 385-394; 
Suzuki, T., Mizushima, Y., Umeda, T., Ohashi, R., Further biocompatibility testing of silica-chitosan complex membrane in the production of tissue plasminogen activator by epithelial and fibroblast cells (1999) J Biosci Bioeng, 88, pp. 194-199; 
Yamaguchi, I., Itoh, S., Suzuki, M., Sakane, M., Osaka, A., Tanaka, J., The chitosan prepared from crab tendon I: The characterization and the mechanical properties (2003) Biomaterials, 24, pp. 2031-2036; 
Lee, J.Y., Nam, S.H., Im, S.Y., Park, Y.J., Lee, Y.M., Seol, Y.J., Chung, C.P., Lee, S.J., Enhanced bone formation by controlled growth factor delivery from chitosan-based biomaterials (2002) J Controlled Rel, 78, pp. 187-197; 
Kawamura, Y., Mitsuhashi, M., Tanibe, H., Yoshida, H., Adsorption of metal ions on polyaminated highly porous chelating resin (1993) Ing Eng Chem Res, 32, pp. 386-391; 
Jameela, S.R., Jayakrishnan, A., Glutaraldehyde crosslinked chitosan as a long acting biodegradable drug delivery vehicle: Studies on the in vitro release of mitoxantrone and in vivo degradation of microspheres in rat muscle (1995) Biomaterials, 16, pp. 769-775; 
Speer, D.P., Chvapil, M., Eskelson, C.D., Ulreich, J., Biological effects of residual glutaraldehyde in glutaraldehyde-tanned collagen biomaterials (1980) J Biomed Mater Res, 14, pp. 753-764; 
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Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Sol-gel preparation and in vitro deposition of apatite on porous gelatin-siloxane hybrids (2001) J Non-Cryst Solid, 285, pp. 116-122; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Novel approach to fabricate porous gelatin-siloxane hybrids for bone tissue engineering (2002) Biomaterials, 23, pp. 4765-4773; 
Berridge, V., Tan, A.S., Characterization of the cellular reduction of 3-(4,5-dimethylthiazol-2- yl)-2,5-diphenyltetrazolium bromide (MTT) subcellular localization, substrate dependence, and involvement of mitochondrial electron transport in MTT reduction (1993) Arch Biochem Biophys, 303, pp. 474-482; 
Ren, L., Tsuru, K., Hayakawa, S., Osaka, A., Incorporation of Ca 2+ ions in gelatin-siloxane hybrids through a sol-gel process (2001) J Ceramic Soc Japan, 109, pp. 403-408; 
Yamaguchi, I., Tokuchi, K., Fukuzaki, H., Koyama, Y., Takakuda, K., Monma, H., Tanaka, J., Preparation and microstructure analysis of chitosan/hydroxyapatite nanocomposites (2001) J Biomed Mater Res, 55, pp. 20-27; 
Hench, L.L., Ethridge, E.C., (1982) Biomaterias An Interfacial Approach, p. 10. , New York: Academic Press; 
Clover, J., Gowen, M., Are MG63 and HOS TE 85 human osteosarcoma cell lines representative models of the osteoblastic phenotype? (1994) Bone, 15, pp. 585-591; 
Martin, T.J., Findlay, D.M., Heath, J.K., Ng, K.W., Osteoblasts: Differentiation and function (1993) Handbook of Experimental Pharmacology, pp. 149-183. , J.R. Mundy, \& T.J. Martin. Berlin: Springer; 
Aubin, J.E., Turksen, K., Heersch, J.N.M., Osteoblastic cell lineage (1993) Cellular and Molecular Biology of Bone, pp. 1-45. , M. Noda. Tokyo: Academic Press Inc; 
Anderson, S.I., Downes, S., Perry, C.C., Caballero, A.M., Evaluation of the osteoblast response to a silica gel in vitro (1998) J Mater Sci: Mater Med, 9, pp. 731-735; 
Rhee, S.H., Hwang, M., Si, H.J., Choi, J.Y., Biological activities of osteoblasts on poly(methyl methacrylate)/silica hybrid containing calcium salt (2003) Biomaterials, 24, pp. 901-906; 
Kalonji, E.E., Denis, I., Lieberherr, M., Pointillart, A., Effects of extracellular calcium on the proliferation and differentiation of porcine osteoblasts in vitro (1998) Cell Tissue Res, 292, pp. 163-171; 
Ferraz, M.P., Knowles, J.C., Olsen, I., Monteiro, F.J., Santos, J.D., Flow cytometry analysis of the effects of pre-immersion on the biocompatibility of glass-reinforced hydroxyapatite plasma-sprayed coatings (2000) Biomaterials, 21, pp. 813-820; 
Bilezikian, J.P., Raisz, L.G., Rodan, G.A., (2002) Principles of Bone Biology, p. 1325. , New York: Academic Press
},
	month = {2005///},
	pages = {485 - 493},
	abstract = {Chitosan-silicate hybrids were synthesized using γ- glycidoxypropyltrimethoxysilane (GPSM) as the agent for cross-linking the chitosan chains. CaCl                        2 was introduced in the hybrids in expectation that it would improve cell adhesion and differentiation of the hybrid surfaces. Fourier-transform infrared (FT-IR) spectroscopy and 
                        29Si CP-MAS NMR spectroscopy were used to analyze the structures of the hybrids. Cytocompatibility of the hybrids was investigated in terms of proliferation of an osteoblastic cell line, MG63. The adhesion and proliferation of the osteoblastic cells cultured on the surface of a chitosan-GPSM hybrid without calcium were similar to those on a control culture plate, and were better than those on a chitosan membrane. The ALP activity of the cells cultured on this hybrid was higher than that on the chitosan membrane. Contrary to expectations, the incorporation of calcium ions into the hybrids did not improve cell attachment and proliferation on their surfaces. {\textcopyright} 2004 Elsevier Ltd. All rights reserved.
},
	keywords = {alkaline phosphatase, article, artificial membrane, Biocompatibility, Biocompatible Materials, Bone Neoplasms, Calcium, calcium chloride, cell adhesion, Cell attachments, Cell culture, cell differentiation, Cell Division, Cell Line, Tumor, chitosan, chitosan derivative, controlled study, cross linking, Cross-Linking Reagents, Crosslinking, Cytocompatibility, Fourier transform infrared spectroscopy, human, human cell, Humans, hybrid, infrared spectroscopy, Magnetic Resonance Spectroscopy, materials testing, Membranes, Artificial, MG63 osteoblastic cells, Microscopy, Electron, Scanning, Neoplasm Proteins, Nuclear magnetic resonance spectroscopy, Organic-inorganic hybrid, osteoblast, Osteoblasts, Osteosarcoma, priority journal, Silanes, Silicates, siloxane, Spectroscopy, Fourier Transform Infrared, structure analysis, surface property, Synthesis (chemical), wettability, γ-Glycidoxypropyltrimethoxysilane (GPSM)},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-3242791810\&partnerID=40\&md5=a22c21444fa3d2843a8783bb42f6ebc1},
	author = {Shirosaki, Y. and Tsuru, K. and Hayakawa, S. and Osaka, A. and Lopes, M.A. and Santos, J.D. and Fernandes, M.H.}
}
@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 {2483,
	title = {Crystallisation studies of biodegradable CaO-P                    2O
                    5 glass with MgO and TiO
                    2 for bone regeneration applications
},
	journal = {Glass TechnologyGlass Technol},
	volume = {45},
	year = {2004},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: GLSTALanguage of Original Document: EnglishCorrespondence Address: Santos, J.D.; INEB, 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: Siligardi, C., D{\textquoteright}Arrigo, M.C., Leonelli, C., Sintering behavior of glass ceramics frits (2000) Am. Ceram. Soc. Bull., pp. 88-92;Clarck, T.J., Reed, J.S., Kinetic processes involved in the sintering and crystallization of glass powders (1986) J. Am. Ceram. Soc., 69 (11), pp. 837-846; 
Karmakar, B., Kundu, P., Jana, S., Dwivedi, R.N., Crystallization kinetics and mechanism of low-expansion lithium aluminosilicate glass-ceramics by dilatometry (2002) J. Am. Ceram. Soc., 85 (10), pp. 2572-2577; 
Zhang, Y., Santos, J.D., Crystallization and microstructure analysis of calcium phosphate-based glass ceramics for biomedical applications (2000) J. Non-cryst. Solids, 272 (1), pp. 14-21; 
Ryu, H.-S., Youn, H.-J., Chang, B.-S., Lee, C.-K., Chung, S.-S., An improvement in sintering property of β-tricalcium phosphate by addition of calcium pyrophosphate (2002) Biomaterials, 23, pp. 909-914; 
Kitsugi, T., Yamamuro, T., Nakamura, T., Ota, M., Transmission electron microscopy observations at the interface of bone and four types of calcium phosphate ceramics with different calcium/phosphorous molar ratios (1995) Biomaterials, 16, pp. 1101-1107
},
	month = {2004///},
	pages = {78 - 79},
	abstract = {CaO-P                        2O
                        5 glass ceramics with small additions of MgO and TiO
                        2 were prepared in the ortho and pyrophosphate regions by powder sintering and crystallisation through heat treatment at different temperatures determined from differential thermal analysis (DTA). The glass ceramics were analysed by x-ray diffraction (XRD) and it was observed that α- and β-Ca
                        2P
                        2O
                        7 were the first phases to precipitate in the parent glass matrix at a temperature of 681{\textdegree}C, followed by CaTi
                        4(PO
                        4)
                        6 and TiP 
                        2O
                        7 at temperatures between 703 and 725{\textdegree}C. The β-Ca
                        2P
                        2O
                        7 and CaTi
                        4(PO 
                        4)
                        6 phases are usually considered as biocompatible and bioactive and, therefore, these glass ceramics seem to show good potential for bone regeneration applications.
},
	keywords = {Biodegradation, Bone Regeneration, Crystallization, Differential thermal analysis, Diffractometers, Glass ceramics, Glass matrix, Glass transition, Laser diffraction, Lime, Magnesia, methanol, Monochromators, Precipitation (chemical), Temperature scanning, Titanium dioxide, X ray powder diffraction},
	isbn = {00171050 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-3042549927\&partnerID=40\&md5=62f3cbbb74e944ac2e066db7432db201},
	author = {Dias, A.G. and Tsuru, K. and Hayakawa, S. and Lopes, M.A. and Santos, J.D. and Osaka, A.}
}
@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 {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.}
}
@article {2545,
	title = {Push-out testing and histological evaluation of glass reinforced hydroxyapatite composites implanted in the tibia of rabbits},
	journal = {Journal of Biomedical Materials ResearchJ. Biomed. Mater. Res.},
	volume = {54},
	year = {2001},
	note = {Cited By (since 1996): 40Export Date: 21 November 2012Source: ScopusCODEN: JBMRBdoi: 10.1002/1097-4636(20010315)54:4<463::AID-JBM10>3.0.CO;2-YPubMed ID: 11426590Language of Original Document: EnglishCorrespondence Address: Santos, J.D.; Laborat{\'o}rio de Biomateriais, INEB, Rua do Campo Alegre, 823, 4150-180 Porto, PortugalChemicals/CAS: Bone Substitutes; Composite Resins; Durapatite, 1306-06-5References: Hyakuna, K., Yamamuro, T., Kotoura, Y., Oka, M., Nakamura, T., Kitsugi, T., Kokubo, T., Kushitani, H., Surface reactions of calcium phosphate ceramics to various solutions (1990) J Biomed Mater Res, 24, pp. 471-488;Klein, C.P.A.T., Driessen, A.A., De Groot, K., Van der Hooff, A., Biodegradation behavior of various calcium phosphate materials in bone tissue (1983) J Biomed Mater Res, 17, pp. 769-784; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., Microstructural Characterization of Glass Reinforced Hydroxyapatite Composites (1994) Biomaterials, 15, pp. 5-10; 
Lopes, M.A., Santos, J.D., Monteiro, F.J., Knowles, J.C., Glass Reinforced Hydroxyapatite: A Comprehensive Study of the Effect of Glass Composition on the Crystallography of the Composite (1998) J Biomed Mater Res, 39, pp. 244-251; 
Lopes, M.A., Santos, J.D., Monteiro, F.J., 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., Saramago, B., Santos, J.D., Monteiro, F.J., Hydrophobicity, Surface Tension and Zeta Potential of Glass Reinforced Hydroxyapatite Composites (1999) J Biomed Mater Res, 45, pp. 370-375; 
Lopes, M.A., Knowles, J.C., Kuru, L., Santos, J.D., Monteiro, F.J., Olsen, I., Flow Cytometry for Assessing Biocompatibility (1998) J Biomed Mater Res, 41, pp. 649-656; 
Kokubo, T., Ito, S., Huang, Z.T., Hayashi, T., Sakka, S., CaP-rich layer formed on high-strength bioactive glass-ceramic A-W (1990) J Biomed Mater Res, 24, pp. 331-343; 
Cho, S.B., Nakanishi, K., Kokubo, T., Soga, N., Ohtsuki, C., Nakamura, T., Kitsugi, T., Yamamuro, T., Dependence of Apatite Formation on Silica Gel on Its Structure: Effect of Heat Treatment (1975) J Am Ceram Soc, 78, pp. 1769-1774; 
Neo, M., Kotani, S., Fujita, Y., Nakamura, T., Yamamuro, T., Bando, Y., Ohtsuki, C., Kokubo, T., Differences in ceramic-bone interface between surface-active ceramics and resorbable ceramics: A study by scanning and transmission electron microscopy (1992) J Biomed Mater Res, 26, pp. 255-267; 
Hamson, K.R., Toth, J.M., Stiehl, J.B., Lynch, K.L., Preliminary experience with a novel model assessing in vivo mechanical strength of bone grafts and substitute materials (1995) Calcif Tissue Int, 57, pp. 64-68; 
Hing, K.A., (1996) Assessment of porous hydroxyapatite for bone replacement, , London: University of London; 
Albrektsson, T., Johansson, C., Quantitative bone tissue reactions to various metallic materials with reference to the so-called osseointegration concept (1991), pp. 357-363. , Davies JE, editor. The bonebiomaterial interface. Toronto: University of Toronto PressProbster, L., Voigh, C.H., Fuhrman, G., Gross, U.M., Tensile and torsional shear strength of the bone implant interface of titanium implants in the rabbit (1994) J Mater Sci: Mater Med, 5, pp. 314-319; 
Kokubo, T., Kushitani, H., Ebisawa, Y., Kitsugi, T., Kotani, S., Oura, K., Yamamuro, T., Apatite formation on bioactive ceramics in body environment (1989), 1, pp. 157-162. , Oonishi H, Aoki H, Sawai K, editors. Bioceramics. Tokyo: Ishiyaku EuroAmerica, IncLeGeros, R.Z., (1991), pp. 4-45. , Meyers HM, editor. Calcium phosphates in oral biology and medicine. New York: KargerOhtsuki, C., Kokubo, T., Neo, M., Kotani, S., Yamamuro, T., Nakamura, T., Bando, Y., Bone-Bonding Mechanism of Sintered β-3CaO-P 2O 5 (1991) Phosphorus Research Bulletin, 1, pp. 191-196; 
Kotani, S., Fujita, Y., Kitsugi, T., Nakamura, T., Yamamuro, T., Ohtsuki, C., Kokubo, T., Bone bonding mechanism of β-tricalcium phosphate (1991) J Biomed Mater Res, 25, pp. 1303-1315; 
Lu, J.X., Gallur, A., Flautre, B., Anselme, K., Descamps, M., Thierry, B., Hardouin, P., Comparative study of tissue reactions to calcium phosphate ceramics among cancellous, cortical, and medullar bone site in rabbits (1998) J Biomed Mater Res, 42, pp. 357-367; 
Kitsugi, T., Nakamura, T., Oka, M., Senaha, Y., Goto, T., Bonebonding behavior of plasma-sprayed coatings of bioglass, AW-glass ceramic, and tricalcium phosphate on titanium alloy (1996) J Biomed Mater Res, 30, pp. 261-269; 
Kitsugi, T., Yamamuro, T., Nakamura, T., Kotani, S., Kokubo, T., Takeuchi, H., Four calcium phosphate ceramics as bone substitutes for non-weight-bearing (1993) Biomaterials, 14, pp. 216-224; 
De Lauge, G.L., De Putter, C., De Wijs, F.L.J.A., Histological and ultrastructural appearance of the hydroxy apatite-bone interface (1990) J Biomed Mater Res, 24, pp. 829-845; 
Yamada, S., Nakamura, T., Kokubo, T., Oka, M., Yamamuro, T., Degradation of the apatite layer formed on bioactive ceramics and the underlying ceramic surface by osteoclasts in a culture system (1994) Cells and Materials, 4, pp. 347-356; 
Brunski, J.B., Influence of biomechanical factors at the bone-biomaterial interface (1990), pp. 391-405. , Davies JE, editor. The bone-biomaterial interface. Toronto: University of Toronto PressDhert, J.A., Thomsen, P., Blomgren, A.K., Esposito, M., Ericson, L.E., Verbout, A.J., Integration of press-fit implants in cortical bone: A study on interface kInetics (1998) J Biomed Mater Res, 41, pp. 574-583; 
Gao, T.J., Lindholm, T.S., Kommonen, B., Ragni, P., Paronzini, A., Lindholm, T.C., Microscopic evaluation of bone-implant contact beween HA, bioactive glass and tricalcium phosphate implanted in sheep diaphyseal defects (1995) Biomaterials, 16, pp. 1175-1179; 
Oonishi, H., Hench, L.L., Wilson, J., Sugihara, F., Tsuji, E., Kushitani, S., Iwaki, H., Comparative bone growth behavior in granules of bioceramic materials of various sizes (1999) J Biomed Mater Res, 44, pp. 31-43; 
Marie, P.J., De Vernejoul, M.C., Lomri, A., Stimulation of bone formation in osteoporosis patients treated with fluoride associated with increased DNA synthesis by osteoblast cells in vitro (1992) J Bone Miner Res, 7, pp. 103-113; 
Rodan, G.A., Introduction to bone biology (1992) Bone, 13, pp. S3-S6
},
	month = {2001///},
	pages = {463 - 469},
	publisher = {John Wiley \& Sons Inc},
	abstract = {In vitro and in vivo bioactivity studies were performed to assess the biocompatibility of CaO-P                        2O
                        5 glass-reinforced hydroxyapatite (GR-HA) composites. The ability to form an apatite layer by soaking in simulated body fluid (SBF) was examined and surfaces were characterized using FTIR reflection and thin-film X-ray diffraction analyses. Qualitative histology, histomorphometric measurements, and push-out testing were performed in a rabbit model for characterizing bone/implant bonding. Under the in vitro conditions using SBF, an apatite layer could not be formed on GR-HA composites within 8 weeks. Results of push-out testing showed bonding between the composites and bone, ranging from 130-145 N after 2 weeks of implantation. After the longest implantation period, 16 weeks, the GR-HA composite prepared with the higher content of CaO-P
                        2O
                        5 glass showed the highest bonding force, 606 {\textpm} 45 N, compared to 459 {\textpm} 30 N for sintered HA. Development of immature bone and modifications in the turnover of a more mature bone on the surface of GR-HA composites were similar to those on sintered HA. {\textcopyright} 2000 John Wiley \&amp; Sons, Inc.
In vitro and in vivo bioactivity studies were performed to assess the biocompatibility of CaO-P
                        2O
                        5 glass-reinforced hydroxyapatite (GR-HA) composites. The ability to form an apatite layer by soaking in simulated body fluid (SBF) was examined and surfaces were characterized using FTIR reflection and thin-film X-ray diffraction analyses. Qualitative histology, histomorphometric measurements, and push-out testing were performed in a rabbit model for characterizing bone/implant bonding. Under the in vitro conditions using SBF, an apatite layer could not be formed on GR-HA composites within 8 weeks. Results of push-out testing showed bonding between the composites and bone, ranging from 130-145 N after 2 weeks of implantation. After the longest implantation period, 16 weeks, the GR-HA composite prepared with the higher content of CaO-P
                        2O
                        5 glass showed the highest bonding force, 606 {\textpm} 45 N, compared to 459 {\textpm} 30 N for sintered HA. Development of immature bone and modifications in the turnover of a more mature bone on the surface of GR-HA composites were similar to those on sintered HA. {\textcopyright} 2000 John Wiley \&amp; Sons, Inc.
},
	keywords = {animal experiment, animal tissue, Animals, article, Biocompatibility, Body fluids, Bonding, Bone, Bone Substitutes, bone turnover, Ceramic materials, Composite Resins, Durapatite, Fiber reinforced materials, Fourier transform infrared spectroscopy, glass, Glass reinforced hydroxyapatite composites, Glass-reinforced hydroxyapatite composites, Histological studies, histology, Histomorphometric measurements, hydroxyapatite, implant, implantation, Implants (surgical), In vitro bioactivity, In vivo evaluation, Interfaces (materials), male, nonhuman, orthopedic equipment, ossification, Prosthesis Implantation, Push out testing, Push-out testing, rabbit, Rabbits, Spectroscopy, Fourier Transform Infrared, Stress, Mechanical, Surgical equipment, tibia, Time Factors, X ray diffraction, X ray diffraction analysis},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0035869784\&partnerID=40\&md5=9464ca5ca74972a99d8092171252e0b3},
	author = {Lopes, M.A. and Santos, J.D. and Monteiro, F.J. and Ohtsuki, C. and Osaka, A. and Kaneko, S. and Inoue, H.}
}
@article {2549,
	title = {Silicon nitride - bioglass composite for biomedical applications},
	journal = {Key Engineering MaterialsKey Eng Mat},
	volume = {192-195},
	year = {2001},
	note = {Conference code: 57760Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: KEMAELanguage of Original Document: EnglishCorrespondence Address: Santos, J.D.; Universidade do Porto, Porto, PortugalReferences: Hench, L.L., Wilson, J., (1993) An Introduction to Bioceramics;(1995) Engineering Materials Handbook, Ceramics and Glasses, Asm International, 4, pp. 812-820; 
Fishman, G., Clare, A., Hench, L.L., (1995) Materials and Applications, 48; 
Niihara, K., Morena, R., Hasselman, D.P., (1982) J. Mater. Sci., 1, pp. 13-16; 
Hench, L.L., (1998) Bioceramics, J. Am. Ceram. Soc., 81 (7), pp. 1705-1728; 
Landis, W.J., Martin, J.R., (1984) J. Vac. Sci. Technol., A2, p. 1108
},
	month = {2001///},
	pages = {589 - 592},
	publisher = {Trans Tech Publ},
	address = {Bologna, Italy},
	abstract = {This study aimed at preparing novel highly toughened bioactive ceramic composite composed of Si                        3N
                        4 matrix and Bioglass using a hot pressing technique. Densification rate, hardness and fracture toughness of this novel composite were assessed as well as in vitro bioactivity using a simulated body fluid (SBF). A fracture toughness of 5.2{\textpm}0.3 MPa.m.
                        1/2 was achieved for fully densified samples, which complies with K
                        1c value reported for cortical bone. This novel composite, which can be used in high load medical applications, seems to overcome the drawback of low fracture toughness presented by most currently available bioactive ceramics.
},
	keywords = {Bioactive ceramic composite, Bioglass, Biomaterials, Body fluids, Bone, Ceramic matrix composites, cortical bone, Densification, Fracture toughness, Glass ceramics, Hot pressing, Medical applications, Silicon nitride, Simulated body fluid},
	isbn = {10139826 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0035147698\&partnerID=40\&md5=3920a80d3e54d72e2efece615e5d55f3},
	author = {Santos, J.D. and Amaral, M. and Oliveira, S.M. and Lopes, M.A. and Silva, R.F.}
}
@article {2558,
	title = {Direct and indirect effects of P                    2O
                    5 glass reinforced-hydroxyapatite composites on the growth and function of osteoblast-like cells
},
	journal = {BiomaterialsBiomaterials},
	volume = {21},
	year = {2000},
	note = {Cited By (since 1996): 18Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/S0142-9612(00)00007-7PubMed ID: 10817269Language of Original Document: EnglishCorrespondence Address: Olsen, I.; Department of Periodontology, Eastman Dental Institute, University College London, 256 Gray{\textquoteright}s Inn Road, London WC1X 8LD, United Kingdom; email: iolsen@eastman.ucl.ac.ukChemicals/CAS: Antigens; Biocompatible Materials; DNA, 9007-49-2; Hydroxyapatites; PhosphatesReferences: Kirkpatrick, C.J., A critical view of current and proposed methodologies for biocompatibility testing: Cytoxicity in vitro (1992) Regulatory Affairs, 4, pp. 13-32;Hanson, S., Lalor, P.A., Niemi, S.M., Ratner, B.D., (1996) Biomaterials Science. An Introduction to Materials in Medicine, pp. 215-242. , B.D. Ratner, \& A.S. Hoffman. Basel: Karger; 
Bou-Gharios, G., Osman, J., Atherton, A., Monoghan, P., Vancheeswaran, R., Black, C., Olsen, I., Expression of ectopeptidaes in scleroderma (1995) Ann Rheum Dis, 54, pp. 111-116; 
Goseki, T., Shimizu, N., Iwasawa, T., Takiguchi, H., Abiko, Y., Effects of in vitro cellular aging on alkaline phosphatase, cathepsin activities and collagen secretion of human periodontal ligament-derived cells (1996) Mech Age Dev, 91, pp. 1761-1783; 
Parkar, M.H., Kuru, L., O{\textquoteright}Hare, M., Newman, H.N., Hughes, F., Olsen, I., Retroviral transduction of periodontal cells with a temperature-sensitive SV40 large T antigen (1999) Archs Oral Biol, 44, pp. 823-834; 
Simon, L.V., Beauchamp, J.R., O{\textquoteright}Hare, M., Olsen, I., Establishment of long-term myogenic cultures from patients with Duchenne muscular dystrophy by retroviral transduction of a temperature-sensitive SV40 large T-antigen construct (1996) Exp Cell Res, 224, pp. 264-271; 
Clover, J., Gowen, M., Are MG-63 and HOS TE 85 human osteosarcoma cell lines representative models of the osteoblastic phenotype (1994) Bone, 15, pp. 585-591; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., Microstructural characterisation of glass reinforced hydroxyapatite composites (1994) Biomaterials, 15, pp. 5-10; 
Di Silvio, L., A novel application of two biomaterial for the delivery of growth hormone and its effect on osteoblasts (1995) PhD Thesis, , Univ Lon: Univ Coll Lon Med Sch; 
Kapuscinski, J., Skoczylas, B., Simple and rapid fluorimetric method for DNA microassay (1977) Anal Biochem, 83, pp. 252-257; 
Nishizawa, K., Toriyama, M., Suzuki, T., Kawamoto, Y., Yokogawa, Y., Nagae, H., Effects of the surface wettability and zeta potential of bioceramics on the adhesiveness of anchorage-dependent animal cells (1993) J Ferm Bioengng, 75, pp. 435-437; 
Chesmel, K.D., Clark, C.C., Brighton, C.T., Black, J., Cellular response to chemical and morphologic aspects of biomaterial surfaces. II. The biosynthetic and migratory response of bone cell populations (1995) J Biomed Mater Res, 29, pp. 1101-1110; 
Harmand, M.F., Human cell culture and characterization of cell-biomaterial interface (1992) Clinical Materials, 11, pp. 145-150; 
Lincks, J., Boyan, B.D., Blanchard, C.R., Lohmann, C.H., Liu, Y., Cochran, D.L., Dean, D.D., Schawrtz, Z., Response of MG63 osteoblast-like cells to titanium and titanium alloy is dependent on surface roughness and composition (1998) Biomaterials, 19, pp. 2219-2232; 
Lopes, M.A., Santos, J.D., Monteiro, F.J., 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., Santos, J.D., Monteiro, F.J., Knowles, J.C., Glass reinforced hydroxyapatite: A comprehensive study of the effect of glass composition on the crystallography of the composite (1998) J Biomed Mater Res, 39, pp. 244-251; 
Lopes, M.A., Saramago, B., Santos, J.D., Monteiro, F.J., Hydrophobicity and zeta potencial of glass reinforced hydroxyapatite composites (1999) J Biomed Mater Res: Appl Biomater, 45, pp. 370-375; 
Hall, B.K., (1992) Fracture Repair and Regeneration, pp. 33-66. , Boca Raton, FL, USA: CRC Press; 
Legeros, R.Z., (1991) Calcium Phosphates in Oral Biology and Medicine, , Basel: Karger; 
Altankov, G., Groth, T., Fibronectin matrix formation and the biocompatibility of materials (1996) J Mater Sci: Mater Med, 7, pp. 425-429; 
Lopes, M.A., Knowles, J.C., Kuru, L., Santos, J.D., Monteiro, F.J., Olsen, I., Flow cytometry for assessing biocompatibility (1998) J Biomed Mater Res, 41, pp. 649-656; 
Lopes, M.A., Knowles, J.C., Hing, K., Santos, J.D., Monteiro, F.J., Olsen, I., Sedel, L., Rey, C., Biological evaluation of glass reinforced hydroxyapatite by flow cytometry (1997) Bioceramics, 10, pp. 575-578. , Paris, Oxford, UK: Elsevier; 
Kirkpatrick, C.J., Mittermayer, C., Theoretical and practical aspects of testing potential biomaterials in vitro (1990) J Mater Sci: Mater Med, 1, pp. 9-13; 
Marie, P.J., De Vernejoul, M.C., Lomri, A., Stimulation of bone formation in osteoporosis patients treated with fluoride associated with increased DNA synthesis by osteoblastic cells in vitro (1992) J Bone Miner Res, 7, pp. 103-113; 
Davies, J.E., In vitro modelling of the bone-implant interface (1996) Anat Rec, 245, pp. 426-445; 
Verrier, S., Bareille, R., Rovira, A., Dard, M., Amdee, J., Human osteoprogenitor responses to orthopaedic implant: Mechanism of cell attachment and cell adhesion (1996) J Mater Sci: Mater Med, 17, pp. 46-51; 
Sumner, H., Abraham, D., Bou-Gharios, G., Plater-Zyberk, C., Olsen, I., Simultaneous measurement of cell surface and intracellular antigens by multiple flow cytometry (1991) J Immun Meth, 136, pp. 259-267; 
Bou-Gharios, G., Osman, J., Black, C., Olsen, I., Excess matrix accumulation in Scleroderma is caused partly by differential regulation of stromelysin and TIMP-1 synthesis (1994) Clin Chim Acta, 231, pp. 69-78; 
Kuru, L., Parkar, M.H., Griffiths, G.S., Newman, H.N., Olsen, I., Flow cytometry analysis of functionally distinct gingival and periodontal ligament cells (1998) J Dent Res, 77, pp. 555-564; 
Ferraz, M.P., Knowles, J.C., Olsen, I., Monteiro, F.J., Santos, J.D., Flow cytometry analysis of the effects of glass on the biocompatibility of plasma-sprayed hydroxyapatite/CaO-P 2O 5 coatings (1999) J Biomed Mater Res, 47, pp. 603-611
},
	month = {2000///},
	pages = {1165 - 1172},
	publisher = {Elsevier Science Ltd},
	abstract = {Human osteoblast-like cells were plated on hydroxyapatite and P                        2O
                        5-glass reinforced hydroxyapatite composite discs. They were also cultured in the presence of media obtained by incubating the discs in the absence of cells. The effects of these direct and indirect interactions were examined by measuring cell proliferation and the expression of certain key extracellular matrix antigens. One composite was found to initially delay cell growth, while the extract of a different composite appeared to down-regulate DNA synthesis. Flow cytometry analysis showed that growth directly on the discs had little effect on collagen type I, but reduced fibronectin and osteocalcin levels. The extracts of the materials generally had less effect, although one extract obtained from the glass-reinforced hydroxyapatite significantly down-regulated fibronectin. These in vitro studies thus suggest that there were only few differences overall in the growth of the cells directly on the glass-reinforced compared with the hydroxyapatite discs and also only relatively small effects of the extracts on the cells. However, the flow cytometry results suggest that both the materials and the extracts may have a potentially important influence on connective tissue production, and that these effects are both material- and antigen-specific. Copyright (C) 2000 Elsevier Science Ltd.
Human osteoblast-like cells were plated on hydroxyapatite and P
                        2O
                        5-glass reinforced hydroxyapatite composite discs. They were also cultured in the presence of media obtained by incubating the discs in the absence of cells. The effects of these direct and indirect interactions were examined by measuring cell proliferation and the expression of certain key extracellular matrix antigens. One composite was found to initially delay cell growth, while the extract of a different composite appeared to down-regulate DNA synthesis. Flow cytometry analysis showed that growth directly on the discs had little effect on collagen type I, but reduced fibronectin and osteocalcin levels. The extracts of the materials generally had less effect, although one extract obtained from the glass-reinforced hydroxyapatite significantly down-regulated fibronectin. These in vitro studies thus suggest that there were only few differences overall in the growth of the cells directly on the glass-reinforced compared with the hydroxyapatite discs and also only relatively small effects of the extracts on the cells. However, the flow cytometry results suggest that both the materials and the extracts may have a potentially important influence on connective tissue production, and that these effects are both material- and antigen-specific.
},
	keywords = {Animal cell culture, antigen expression, Antigens, article, Biocompatibility, Biocompatible Materials, Biomaterials, Bone, Bone cells, cell antigen, Cell culture, Cell Division, cell function, cell growth, Cell Line, cell proliferation, cell structure, collagen type 1, controlled study, DNA, DNA Replication, DNA synthesis, extracellular matrix, Fibronectin, flow cytometry, glass, Glass fibers, Glass-reinforced hydroxyapatite, Growth kinetics, human, human cell, Humans, hydroxyapatite, Hydroxyapatites, immunofluorescence, In vitro, Microscopy, Electron, Scanning, osteoblast, Osteoblasts, osteocalcin, Phosphate minerals, Phosphates, phosphorus pentoxide, priority journal, Proteins, Reinforcement, Scanning electron microscopy},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034059787\&partnerID=40\&md5=898e049d86a10d2797dbd2aa59029fd6},
	author = {Lopes, M.A. and Knowles, J.C. and Santos, J.D. and Monteiro, F.J. and Olsen, I.}
}
@article {2561,
	title = {Flow cytometry analysis of the effects of pre-immersion on the biocompatibility of glass-reinforced hydroxyapatite plasma-sprayed coatings},
	journal = {BiomaterialsBiomaterials},
	volume = {21},
	year = {2000},
	note = {Cited By (since 1996): 22Export Date: 21 November 2012Source: ScopusCODEN: BIMADdoi: 10.1016/S0142-9612(99)00249-5PubMed ID: 10721750Language of Original Document: EnglishCorrespondence Address: Olsen, I.; Department of Periodontology, Eastman Dental Institute, University College London, 256 Gray{\textquoteright}s Inn Road, London WC1X 8LD, United Kingdom; email: iolsen@eastman.ucl.ac.ukChemicals/CAS: Biocompatible Materials; bone sialoprotein; Coated Materials, Biocompatible; Durapatite, 1306-06-5; Fibronectins; SialoglycoproteinsManufacturers: Plasma Biotal, United KingdomReferences: Passuti, N., Daculsi, G., Martin, S., Macroporous calcium phosphate ceramics for long bone surgery in human and dogs - Clinical and histological studies (1990) Clinical Implant Materials, pp. 255-258. , V. Soltesz, \& A. Lee. Amsterdam: Elsevier Science Publishers;Legeros, R., Calcium phosphate materials in restorative dentistry (1988) A Review. Adv Dent Res, 2, pp. 164-180; 
Hench, L.L., Bioactive ceramics: From concept to clinic (1992) J Am Ceram Soc, 74, pp. 1487-1510; 
Conish, H., Aoki, H., Sawai, K., (1981) Science and Medical Applications of Hydroxyaptite, , editors Tokyo: Takyama Press System Centre Co; 
Raemdonck, W., Ducheyne, P., Meester, P., Calcium phosphate ceramics (1984) Metal and Ceramic Materials, pp. 143-166. , P. Ducheyne, \& G.W. Hastings. Boca Raton, FL, USA: CRC Press; 
Rey, C., Freche, M., Heughebaert, M., Vignoles, M., Apatite chemistry in biomaterial preparation, shaping and biological behaviour (1991) Fourth Symposium on Ceramics in Medicine - Bioceramics 4, pp. 57-64. , G.W. Hastings, \& K.E. Tanner. London: Butterworth-Heinemann; 
Nagase, M., Abe, Y., Udagwa, E., Toxicity of silica-containing calcium phosphate glasses demonstrated in mice (1992) Biomaterials, 13, pp. 172-175; 
Burnie, J., Gilchrist, T., Controlled released glass - A new biomaterial (1983) Ceramics in Surgery, pp. 169-176. , P. Vicenzini. Amsterdam: Elsevier Science Publishers; 
Burnie, F., Gilchrist, T., (1983) Ceramics in Surgery, pp. 177-180. , P. Vicenzini. Amsterdam: Elsevier Science; 
Rawlings, R.D., Rogers, P.S., Stokes, P.M., Glass-ceramics containing apatite (1987) High Tech Ceramics, pp. 73-82. , P. Vicenzini. Amsterdam: Elsevier Science Publishers; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., Microstructural characterization of glass-reinforced hydroxyapatite composites (1994) Biomaterials, 15, pp. 5-10; 
Santos, J.D., Lakhan, J.J., Monteiro, F.J., Surface modifications of glass-reinforced hydroxyapatite composites (1995) Biomaterials, 16, pp. 521-526; 
Ferraz, M.P., Monteiro, F.J., Santos, J.D., In vitro bioactivity and osteocompatibility evaluation of plasma sprayed hydroxyapatite/glass composite coatings onto Ti-6Al-4V substrates (1997) Ninth International Conference on Biomedical Engineering, pp. 557-559. , In: Goh JCH, editor Singapore; 
Klein, C.P.A.T., Patka, P., Van Der Lubbe, H.B.M., Plasma-sprayed coatings of tetracalciumphosphate, hydroxyl-apatite, and α-TCP on titanium alloy: An interface study (1991) J Biomed Mater Res, 25, pp. 53-65; 
Jansen, J.A., Van Der Waerden, J.P., Wolke, J.G., Histologic investigation of the biologic behavior of different hydroxyapatite plasma-sprayed coatings in rabbits (1993) J Biomed Mater Res, 4, pp. 603-610; 
De Bruijn, J.D., Klein, C.P.A.T., De Groot, K., Van Blitterswijk, C.A., The ultrastructure of the bone-hydroxyapatite interface in vitro (1992) J Biomed Mater Res, 26, pp. 1365-1382; 
Frayssinet, P., Tourenne, F., Rouquet, P., Conte, P., Delga, C., Bonel, G., Comparative biological properties of HA plasma-sprayed coatings having different crystallinities (1994) J Mater Sci: Mater Med, 5, pp. 11-17; 
Lugscheider, E., Knepper, M., Heimberg, B., Dekker, A., Kirkpatrick, C.J., Cytotoxicity investigations of plasma-sprayed calcium-phosphate coatings (1994) J Mater Sci: Mater Med, 5, pp. 371-375; 
Courteney-Harris, R.G., Kayser, M.V., Downes, S., Comparison of the early production of extracellular matrix on dense hydroxyapatite and hydroxyapatite-coated titanium in cell and organ culture (1995) Biomaterials, 16, pp. 489-495; 
Labat, B., Chanson, A., Frey, J., Effects of γ-alumina and hydroxyapatite coatings on the growth and metabolism of human osteoblasts (1995) J Biomed Mater Res, 29, pp. 1397-1401; 
De Santis, D., Guerriero, C., Nocini, P.F., Ungersbock, A., Richards, G., Gotte, P., Armato, U., Adult human bone cells derived from jaw bones cultured on plasma-sprayed or polished surfaces to titanium or hydroxyapatite discs (1996) J Mater Sci: Mater Med, 7, pp. 21-28; 
Pizzoferrato, A., Ciapetti, G., Stea, S., Cenni, E., Ariola, C.R., Granchi, D., Savarino, L., Cell culture methods for testing biocompatibility (1994) Clin Mater, 15, pp. 173-190; 
Puleo, D.A., Preston, K.E., Shaffer, J.B., Bizios, R., Examination of osteoblast-orthopaedic biomaterial interactions using molecular techniques (1993) Biomaterials, 14, pp. 111-114; 
Clifford, C.J., Downes, S., A comparative study of the use of colorimetric assays in the assessment of biocompatibility (1996) J Mater Sci: Mater Med, 7, pp. 637-643; 
Ferraz, M.P., Monteiro, F.J., Santos, J.D., CaO-P 2O 5 glass hydroxyapatite double layer plasma sprayed coatings: In vitro evaluation (1999) J Biomed Mater Res, 45, pp. 376-383; 
Ferraz, M.P., Fernandes, M.H., Trigo Cabral, A., Santos, J.D., Monteiro, F.J., In vitro growth and differentiation of osteoblast-like human bone marrow cells on glass reinforced HA plasma sprayed coatings (1999) J Mater Sci: Mater Med, 10, pp. 567-576; 
Macey, M.G., (1994) Flow Cytometry - Clinical Applications, , editor Oxford: Blackwell Scientific; 
Shapiro, H.M., (1995) Practical Flow Cytometry, , New York: Wiley-Liss; 
Melamed, M.R., Lindmo, T., Mandelsohn, M.L., (1990) Flow Cytometry and Sorting, , editors New York: Wiley-Liss; 
Muirhead, K.A., Horan, P.K., Applications of flow cytometry to tissue culture systems (1983) Adv Cell Culture, 3, pp. 57-91; 
Corver, W.E., Cornelisse, C.J., Fleuren, G.J., Simultaneous measurement of two cellular antigens and DNA using fluorescein-isothiocyanate, R-phycoerythrin and propidium iodide on a standard FACScan (1994) Cytometry, 15, pp. 117-128; 
Pande, G., Kumar, N.A., Manogaran, P.S., Flow cytometric study of changes in intracellular free calcium during the cell cycle (1996) Cytometry, 24, pp. 55-63; 
Kamiya, I., Okuda, K., Hara, K., Flow cytometric identification and detection of Porphyromonas gingivalis by a LPS specific monoclonal antibody (1994) J Periodont, 65, pp. 309-315; 
Lopes, M.A., Knowles, J.C., Kuru, L., Santos, J.D., Monteiro, F.J., Olsen, I., Flow cytometry for assessing biocompatibility (1998) J Biomed Mater Res, 41, pp. 649-656; 
Ferraz, M.P., Knowles, J.C., Olsen, I., Monteiro, F.J., Santos, J.D., Flow cytometry analysis of the effects of glass on the biocompatibility of plasma-sprayed hydroxyapatite/CaO-P 2O 5 coatings J Biomed Mater Res, , in press; 
Cowles, E.A., DeRome, M.E., Pastizzo, G., Brailey, L.L., Gronowicz, G.A., Mineralization and the expression of matrix proteins during in vivo bone development (1998) Calcif Tissue Int, 62, pp. 74-82; 
Globus, R.K., Dotty, S.B., Lull, J.C., Holmuhamedov, E., Humphries, M.J., Damsky, C.H., Fibronectin is a survival factor for differentiated osteoblasts (1998) J Cell Sci, 111, pp. 1385-1393; 
Clover, J., Gowen, M., Are MG63 and HOS TE 85 human osteosarcoma cell lines representative models of the osteoblastic phenotype? (1994) Bone, 15, pp. 585-591; 
Wojciech, G., Melamed, M.R., Darzynkiewicz, Z., Analysis of apoptosis by flow cytometry (1998) Flow Cytometry Protocols, pp. 217-238. , M.J. Jaroszeski, \& R. Heller. Totowa, NJ, USA: Humana Press
},
	month = {2000///},
	pages = {813 - 820},
	publisher = {Elsevier Science Ltd},
	abstract = {Multilayered coatings composed of mixtures of HA and P                        2O
                        5-based bioactive glasses are of potential clinical benefit in orthopaedic and dental surgery. Pre-immersion of these materials has been reported to further enhance their efficacy in vivo, although the precise biological effects of this treatment are not yet known. In this study we have therefore prepared double-layer plasma-sprayed coatings and evaluated the effects of pre-immersion on the growth and function of human osteosarcoma cells in vitro, using the MTT assay and flow cytometry analysis, respectively. The results showed that the increase in numbers of viable cells was the same or elevated following incubation on the pre-immersed HA and glass-reinforced HA coatings compared with the non-immersed materials. In addition, the expression of bone sialoprotein and fibronectin, two key connective tissue antigens, was up-regulated in cultures grown on the pre-immersed surfaces compared with the non-treated materials. Moreover, cell numbers and antigen expression both improved as the proportion of glass increased, particularly in the pre-immersed samples. Our findings thus suggest that the immersion treatment of these materials appeared to improve the response of these bone-like cells. Copyright (C) 2000 Elsevier Science Ltd.
Multilayered coatings composed of mixtures of HA and P
                        2O
                        5-based bioactive glasses are of potential clinical benefit in orthopaedic and dental surgery. Pre-immersion of these materials has been reported to further enhance their efficacy in vivo, although the precise biological effects of this treatment are not yet known. In this study we have therefore prepared double-layer plasma-sprayed coatings and evaluated the effects of pre-immersion on the growth and function of human osteosarcoma cells in vitro, using the MTT assay and flow cytometry analysis, respectively. The results showed that the increase in numbers of viable cells was the same or elevated following incubation on the pre-immersed HA and glass-reinforced HA coatings compared with the non-immersed materials. In addition, the expression of bone sialoprotein and fibronectin, two key connective tissue antigens, was up-regulated in cultures grown on the pre-immersed surfaces compared with the non-treated materials. Moreover, cell numbers and antigen expression both improved as the proportion of glass increased, particularly in the pre-immersed samples. Our findings thus suggest that the immersion treatment of these materials appeared to improve the response of these bone-like cells.
},
	keywords = {antigen expression, article, Bioactive glasses, Biocompatibility, Biocompatible Materials, Biomaterials, Cell culture, Cell Division, cell growth, cell proliferation, Cell size, Coated Materials, Biocompatible, controlled study, cytology, Cytoplasmic Granules, Dental Materials, drug manufacture, Durapatite, Fibronectin, Fibronectins, flow cytometry, Flow cytometry analysis, glass, Glass fibers, Glass-reinforced hydroxyapatite, Growth kinetics, human, human cell, Humans, hydroxyapatite, in vitro study, materials testing, orthopedics, Osteosarcoma, osteosarcoma cell, Phosphates, Plasma spraying, Pre-immersion, priority journal, protein expression, Proteins, Sialoglycoproteins, sialoprotein, Sprayed coatings, Surface Properties, technique, Tumor Cells, Cultured},
	isbn = {01429612 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0034004660\&partnerID=40\&md5=4f46f4bb4619ff65dccbfcc0fdcd03b1},
	author = {Ferraz, M.P. and Knowles, J.C. and Olsen, I. and Monteiro, F.J. and Santos, J.D.}
}
@article {2571,
	title = {Flow cytometry analysis of effects of glass on response of osteosarcoma cells to plasma-sprayed hydroxyapatite/CaO-P                    2O
                    5 coatings
},
	journal = {Journal of Biomedical Materials ResearchJ. Biomed. Mater. Res.},
	volume = {47},
	year = {1999},
	note = {Cited By (since 1996): 22Export Date: 21 November 2012Source: ScopusCODEN: JBMRBdoi: 10.1002/(SICI)1097-4636(19991215)47:4<603::AID-JBM18>3.0.CO;2-6PubMed ID: 10497297Language of Original Document: EnglishCorrespondence Address: Olsen, I.; Department of Periodontology, Eastman Dental Institute, University of London, 256 Gray{\textquoteright}s Inn Road, London WC1X 8LD, United KingdomChemicals/CAS: Bone Substitutes; Coated Materials, Biocompatible; HydroxyapatitesReferences: Passuti, N., Daculsi, G., Martin, S., Macroporous calcium phosphate ceramics for long bone surgery in human and dogs - Clinical and histological studies (1990) Clinical Implant Materials, pp. 255-258. , Soltesz V, Lee A, editors. Amsterdam: Elsevier Sciesnce Publishers;Legeros, R., Calcium phosphate materials in restorative dentistry. A review (1988) Adv Dent Res, 2, pp. 164-180; 
Hench, L.L., Bioactive ceramics: From concept to clinic (1992) J Am Ceram Soc, 74, pp. 1487-1510; 
Conish, H., Aoki, H., Sawai, K., (1981) Science and Medical Applications of Hydroxyapatite, , Tokyo: Takyama Press System Centre Co; 
Raemdonick, W., Ducheyne, P., Meester, P., Calcium phosphate ceramics (1984) Metal and Ceramic Materials, pp. 143-166. , Ducheyne P, Hastings GW, editors. Boca Raton, FL: CRC Press; 
Rey, C., Freche, M., Heughebaert, M., Vignoles, M., Apatite chemistry in biomaterial preparation, shaping and biological behaviour (1991) 4th Symposium on Ceramics in Medicine - Bioceramics, 4, pp. 57-64. , Bonfield W, Hastings GW, Tanner KE, editors. London: Butterworth-Heinemann; 
Nagase, M., Abe, Y., Udagwa, E., Toxicity of silica-containing calcium phosphate glasses demonstrated in mice (1992) Biomaterials, 13, pp. 172-175; 
Burnie, J., Gilchrist, T., Controlled released glass - A new biomaterial (1983) Ceramics in Surgery, pp. 169-176. , Vicenzini P, editor. Amsterdam: Elsevier Science Publishers; 
Jha, L.J., Santos, J.D., Knowles, J.C., Characterization of apatite layer formation on P 2O 5-CaO, P 2O 5-CaO-Na 2O, P 2O 5-CaO-Na 2O-Al 2O 3 glass hydroxyapatite composites (1996) J Biomed Mater Res, 31, pp. 481-486; 
Rawlings, R.D., Rogers, P.S., Stokes, P.M., Glass-ceramics containing apatite (1987) High Tech Ceramics, pp. 73-82. , Vicenzini P, editor. Amsterdam: Elsevier Science Publishers; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., Microstructural characterization of glass-reinforced hydroxyapatite composites (1994) Biomaterials, 15, pp. 5-10; 
Santos, J.D., Lakhan, J.J., Monteiro, F.J., Surface modifications of glass-reinforced hydroxyapatite composites (1995) Biomaterials, 16, pp. 521-526; 
Ferraz, M.P., Monteiro, F.J., Santos, J.D., In vitro bioactivity and osteocompatibility evaluation of plasma sprayed hydroxyapatite/glass composite coatings onto Ti-6AL-4V substrates (1997) 9th International Conference on Biomedical Engineering, pp. 557-559. , Goh JCH, editor. Singapore: BAC Printers; 
Klein, C.P.A.T., Patka, P., Van Der Lubbe, H.B.M., Plasma-sprayed coatings of tetracalcium phosphate, hydroxylapatite, and α-TCP on titanium alloy: An interface study (1991) J Biomed Mater Res, 25, pp. 53-65; 
Jansen, J.A., Van Der Waerden, J.P., Wolke, J.G., Histologic investigation of the biologic behavior of different hydroxyapatite plasma-sprayed coatings in rabbits (1993) J Biomed Mater Res, 14, pp. 603-610; 
De Bruijn, J.D., Klein, C.P.A.T., De Groot, K., Van Blitterswijk, C.A., The ultrastructure of the bone-hydroxyapatite interface in vitro (1992) J Biomed Mater Res, 26, pp. 1365-1382; 
Frayssinet, P., Tourenne, F., Rouquet, P., Conte, P., Delga, C., Bonel, G., Comparative biological properties of HA plasma-sprayed coatings having different crystallinities (1994) J Mater Sci Mater Med, 5, pp. 11-17; 
Lugscheider, E., Knepper, M., Heimberg, B., Dekker, A., Kirkpatrick, C.J., Cytotoxicity investigations of plasma-sprayed calcium-phosphate coatings (1994) J Mater Sci Mater Med, 5, pp. 371-375; 
Courteney-Harris, R.G., Kayser, M.V., Downes, S., Comparison of the early production of extracellular matrix on dense hydroxyapatite and hydroxyapatite-coated titanium in cell and organ culture (1995) Biomaterials, 16, pp. 489-495; 
Labat, B., Chanson, A., Frey, J., Effects of γ-alumina and hydroxyapatite coatings on the growth and metabolism of human osteoblasts (1995) J Biomed Mater Res, 29, pp. 1397-1401; 
De Santis, D., Guerriero, C., Nocini, P.F., Ungersbock, A., Richards, G., Gotte, P., Armato, U., Adult human bone cells derived from jaw bones cultured on plasma-sprayed or polished surfaces to titanium or hydroxyapatite discs (1996) J Mater Sci Mater Med, 7, pp. 21-28; 
Pizzoferrato, A., Ciapetti, G., Stea, S., Cenni, E., Ariola, C.R., Granchi, D., Savarino, L., Cell culture methods for testing biocompatibility (1994) Clin Biomater, 15, pp. 173-190; 
Puleo, D.A., Preston, K.E., Shaffer, J.B., Bizios, R., Examination of osteoblast-orthopaedic biomaterial interactions using molecular techniques (1993) Biomaterials, 14, pp. 111-114; 
Clifford, C.J., Downes, S., A comparative study of the use of colorimetric assays in the assessment of biocompatibility (1996) J Mater Sci Mater Med, 7, pp. 637-643; 
Macey, M.G., (1994) Flow Cytometry - Clinical Applications, , Oxford, UK: Blackwell Scientific Publications; 
Shapiro, H.M., (1995) Practical Flow Cytometry, , New York: Wiley-Liss; 
Melamed, M.R., Lindmo, T., Mendelsohn, M.L., (1990) Flow Cytometry and Sorting, , New York: Wiley-Liss; 
Muirhead, K.A., Horan, P.K., Applications of flow cytometry to tissue culture systems (1983) Adv Cell Culture, 3, pp. 57-91; 
Corver, W.E., Cornelisse, C.J., Fleuren, G.J., Simultaneous measurement of two cellular antigens and DNA using fluorescein-isothiocyanate, R-phycoerythrin and propidium iodide on a standard FACScan (1994) Cytometry, 15, pp. 117-128; 
Pande, G., Kumar, N.A., Manogaran, P.S., Flow cytometric study of changes in intracellular free calcium during the cell cycle (1996) Cytometry, 24, pp. 55-63; 
Kamiya, I., Okuda, K., Hara, K., Flow cytometric identification and detection of Porphyromonas gingivalis by a lps specific monoclonal antibody (1994) J Periodontol, 65, pp. 309-315; 
Clover, J., Gowen, M., Are MG63 and HOS TE 85 human osteosarcoma cell lines representative models of the osteoblastic phenotype? (1994) Bone, 15, pp. 585-591; 
Kuru, L., Parkar, M.H., Griffiths, G.S., Newman, H.N., Olsen, I., Flow cytometry analysis of functionally distinct gingival and periodontal ligament cells (1998) J Dent Res, 77, pp. 555-564; 
Abraham, D., Lupoli, S., McWhirter, A., Plater-Zyberk, C., Piela, T.H., Korn, J., Olsen, I., Black, C., Expression and function of surface antigens on scleroderma fibroblasts (1991) Arthritis Rheum, 34, pp. 1164-1172; 
Beauchamp, J.R., Abraham, D.J., Bou-Gharios, G., Partridge, T.A., Olsen, I., Expression and function of adhesion molecules during differentiation of human skeletal muscle in culture (1992) Am J Pathol, 140, pp. 387-401; 
Bou-Gharios, G., Osman, J., Black, C., Olsen, I., Excess matrix accumulation in scleroderma is caused partly by differential regulation of stromelysin and TIMP-1 synthesis (1994) Clin Chim Acta, 231, pp. 69-78; 
Lopes, M.A., Knowles, J.C., Hing, K.A., Santos, J.D., Monteiro, F.J., Olsen, I., Biological evaluation of glass reinforced hydroxyapatite by flow cytometry (1997) 10th Symposium on Ceramics in Medicine-bioceramics, 10, pp. 575-578. , Sedel L, Rey C, editors. Cambridge, UK: University Press; 
Lopes, M.A., Knowles, J.C., Kuru, L., Santos, J.D., Monteiro, F.J., Olsen, I., Flow cytometry for assessing biocompatibility (1998) J Biomed Mater Res, 41, pp. 649-656; 
Sandy, J., Davies, M., Prime, S., Farndale, R., Signal pathways that transduce growth factor-stimulated mitogenesis in bone cells (1998) Bone, 23, pp. 17-26
},
	month = {1999///},
	pages = {603 - 611},
	publisher = {John Wiley \& Sons Inc},
	abstract = {Multilayered coatings composed of mixtures of hydroxyapatite (HA) and P                        2O
                        5-based bioactive glasses offer potential clinical benefits in orthopedic and dental surgery. In this study double-layer plasma-sprayed coatings were prepared and the biological response evaluated in tissue culture using two human osteosarcoma cell lines, MG63 and HOS TE85 (HOS). The cells were cultured on the materials and the effects on cell growth were determined using a spectrophometric assay of a mitochondrial enzyme that is active in viable cells. While none of the materials influenced the growth of the MG63 cells, the HOS cells appeared to undergo less proliferation on all the HA materials. Flow cytometry analysis was carried out using rabbit antibodies against osteonectin, osteopontin, bone sialoprotein, fibronectin, and collagen type I to measure the effects of the materials on key cellular functions. The results showed that the materials downregulated the expression of these extracellular matrix antigens by MG63 cells whereas they had less effect on the HOS cells compared to the same cells incubated on a plastic surface. Notably, with both cell lines the composite with the higher percentage of glass restored the production of connective tissue proteins to levels that were more similar to those present in the control cells.
In this study, double-layer plasma-sprayed coatings were prepared and the biological response evaluated in tissue culture using two human osteosarcoma cell lines, MG63 and HOS TE85 (HOS). The materials downregulated the expression of the extracellular matrix antigens by MG63 cells whereas they had less effect on the HOS cells compared to the same cells incubated on a plastic surface. Notably, with both cell lines the composite with the higher percentage of glass restored the production of connective tissue proteins to levels that were more similar to those present in the control cells.
},
	keywords = {Animals, Antibodies, antigen expression, article, Bioassay, Biomaterials, Bone cells, Bone sialoprotein, Bone Substitutes, calcium phosphate, cancer cell culture, Cell Division, cell function, cell granule, cell growth, cell proliferation, Cell size, Cells, Coated Materials, Biocompatible, Collagen, collagen type 1, connective tissue, controlled study, dentistry, enzyme activity, Enzymes, Fibronectin, flow cytometry, Flow cytometry analysis, glass, Growth kinetics, human, human cell, Humans, hydroxyapatite, Hydroxyapatite-glass, Hydroxyapatites, Incubation, Mitochondrial enzyme, orthopedics, Osteoblasts, osteonectin, Osteopontin, Osteosarcoma, osteosarcoma cell, Osteosarcoma cells, Phosphates, Proliferation, Proteins, Rabbits, sialoprotein, Spectrophometric assay, Tissue culture, Tumor Cells, Cultured},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031573504\&partnerID=40\&md5=c6bbcda19f6e76323d16484a9db1c0da},
	author = {Ferraz, M.P. and Knowles, J.C. and Olsen, I. and Monteiro, F.J. and Santos, J.D.}
}
@article {2580,
	title = {Flow cytometry for assessing biocompatibility},
	journal = {Journal of Biomedical Materials ResearchJ. Biomed. Mater. Res.},
	volume = {41},
	year = {1998},
	note = {Cited By (since 1996): 33Export Date: 21 November 2012Source: ScopusCODEN: JBMRBdoi: 10.1002/(SICI)1097-4636(19980915)41:4<649::AID-JBM17>3.0.CO;2-9PubMed ID: 9697038Language of Original Document: EnglishCorrespondence Address: Olsen, I.; Department of Periodontology, Eastman Dental Institute, University of London, 256 Gray{\textquoteright}s Inn Rd., London WC1X 8LD, United KingdomChemicals/CAS: Biocompatible Materials; Collagen, 9007-34-5; Dental Implants; Fibronectins; Osteocalcin, 104982-03-8References: Kirkpatrick, C.J., A critical view of current and proposed methodologies for biocompatibility testing: Cytotoxicity in vitro (1992) Regul. Affairs, 4, pp. 13-32;Pizzoferrato, A., Ciapetti, G., Stea, S., Cenni, E., Ariola, C.R., Granchi, D., Savarino, L., Cell culture methods for testing biocompatibility (1994) Clin. Mater., 15, pp. 173-190; 
Puleo, D.A., Preston, K.E., Shaffer, J.B., Bizios, R., Examination of osteoblast-orthopaedic biomaterial interactions using molecular techniques (1993) Biomaterials, 14, pp. 111-114; 
Clifford, C.J., Downes, S., A comparative study of the use of colorimetric assays in the assessment of biocompatibility (1996) J. Mater. Sci. Mater. Med., 7, pp. 637-643; 
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Macon, W.R., Salhany, K.E., TI- T-cell subset analysis of paraffin-embedded peripheral T-cell lymphomas (PTCLs) with correlation of CD4/CD8 results by flow cytometry (FACs) (1997) Lab. Invest., 76, p. 753; 
Kuru, L., Parkar, M.H., Griffiths, G.S., Newman, H.N., Olsen, I., Flow cytometry analysis of functionally distinct gingival and periodontal ligament cells (1998) J. Dent. Res., 77, pp. 555-564; 
Kamiya, I., Okuda, K., Hara, K., Flow cytometric identification and detection of Porphromonas gingivalis by an LPS specific monoclonal antibody (1994) J. Periodontol., 65, pp. 309-315; 
Sumner, H., Abraham, D., Bou-Gharios, G., Plater-Zyberk, C., Olsen, I., Simultaneous measurement of cell surface and intracellular antigens by multiple flow cytometry (1991) J. Immunol. Methods, 136, pp. 259-267; 
Beauchamp, J.R., Abraham, D.J., Bou-Gharios, G., Partridge, T.A., Olsen, I., Expression and function of adhesion molecules during differentiation of human skeletal muscle in culture (1992) Am. J. Pathol., 140, pp. 387-401; 
Abraham, D., Lupoli, S., McWhirter, A., Plater-Zyberk, C., Piela, T.H., Korn, J., Olsen, I., Black, C., Expression and function of surface antigens on scleroderma fibroblasts (1991) Arthritis Rheum., 34, pp. 1164-1172; 
Bou-Gharios, G., Osman, J., Black, C., Olsen, I., Excess matrix accumulation in scleroderma is caused partly by differential regulation of stromelysin and TIMP-1 synthesis (1994) Clin. Chim. Acta, 231, pp. 69-78; 
Santos, J.D., Knowles, J.C., Reis, R.L., Monteiro, F.J., Hastings, G.W., Microstructural characterisation of glass-reinforced hydroxyapatite composites (1994) Biomaterials, 15, pp. 5-10; 
Best, S., Sim, B., Kayser, M., Downes, S., The dependence of osteoblastic response on variations in the chemical composition and physical properties of hydroxyapatite (1997) J. Mater. Sci. Mater. Med., 8, pp. 97-103; 
Martin, J.Y., Schwartz, Z., Hummert, T.W., Schraub, D.M., Simpson, J., Lankford, J., Dean, D.D., Boyan, B.D., Effect of titanium surface roughness on proliferation, differentiation and protein synthesis of human osteoblast-like cells (MG-63) (1995) J. Biomed. Mater. Res., 29, pp. 389-401; 
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Bou-Gharios, G., Osman, J., Atherton, A., Monoghan, P., Vancheeswaran, R., Black, C., Olsen, I., Expression of ectopeptidases in scleroderma (1995) Ann. Rheum. Dis., 54, pp. 111-116; 
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Hallab, N.J., Bundy, K.J., O{\textquoteright}Connor, K., Clark, R., Moses, R.L., Cell adhesion to biomaterials: Correlations between surface charge, surface roughness, adsorbed protein and cell morphology (1995) J. Long-Term Effects Med. Implants, 5, pp. 209-231; 
Kieswetter, K., Schwartz, Z., Hummert, T.W., Cochran, D.L., Simpson, J., Sean, D.P., Boyan, B.D., Surface roughness modulates the local production of growth factors and cytokines by osteoblast-like MG-63 cells (1996) J. Biomed. Mater. Res., 32, pp. 55-63; 
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Nishizawa, K., Toriyama, M., Suzuki, T., Kawamoto, Y., Yokogawa, Y., Nagae, H., Effects of the surface wettability and zeta potential of bioceramics on the adhesiveness of anchorage-dependent animal cells (1993) J. Ferment. Bioeng., 75, pp. 435-437; 
Lopes, M.A., Santos, J.D., Monteiro, F.J., Knowles, J.C., Glass reinforced hydroxyapatite: A comprehensive study of the effect of glass composition on the crystallography of the composite (1998) J. Biomed. Mater. Res., 39, pp. 244-251
},
	month = {1998///},
	pages = {649 - 656},
	publisher = {John Wiley \& Sons Inc},
	abstract = {Flow cytometry (FCM) was examined as a possible procedure for measuring in vitro the biocompatibility of implant materials for orthopedic and dental surgery. The human osteoblast-like cell line MG63 was grown on hydroxyapatite (HA) and P                        2O
                        5 glass-reinforced HA composite discs and compared with the same cells grown on polystyrene culture dishes. While morphological observation at the light and electron microscopic levels showed no major deleterious effects, FCM indicated that cell size was somewhat reduced, particularly by growth on the HA composite. Moreover, this material also appeared to delay the progression of the cells from the G0/G1 into the S phase of the cell cycle. In addition to this low level of inhibition of cell growth relative to control cultures, FCM analysis also demonstrated that the glass-reinforced HA caused some down-regulation of the expression of osteocalcin and fibronectin, two antigens which play a vital part in the integrity and function of bone and soft connective tissue, respectively. These results thus show, first, that although HA and the HA composite used in these experiments were generally biocompatible, they nevertheless had certain suboptimal effects on the cells; and second, that FCM could be a highly useful procedure for effectively screening and evaluating important biological responses to implant materials.
Flow cytometry (FCM) was examined as a possible procedure for measuring in vitro the biocompatibility of implant materials for orthopedic and dental surgery. The human osteoblast-like cell line MG63 was grown on hydroxyapatite (HA) and P
                        2O
                        5 glass-reinforced HA composite discs and compared with the same cells grown on polystyrene culture dishes. While morphological observation at the light and electron microscopic levels showed no major deleterious effects, FCM indicated that cell size was somewhat reduced, particularly by growth on the HA composite. Moreover, this material also appeared to delay the progression of the cells from the G0/G1 into the S phase of the cell cycle. In addition to this low level of inhibition of cell growth relative to control cultures, FCM analysis also demonstrated that the glass-reinforced HA caused some down-regulation of the expression of osteocalcin and fibronectin, two antigens which play a vital part in the integrity and function of bone and soft connective tissue, respectively. These results thus show, first, that although HA and the HA composite used in these experiments were generally biocompatible, they nevertheless had certain suboptimal effects on the cells; and second, that FCM could be a highly useful procedure for effectively screening and evaluating important biological responses to implant materials.
},
	keywords = {antigen expression, Antigens, Biocompatibility, Biocompatible Materials, biomaterial, Biomaterials, Biomedical engineering, Bone and Bones, bone prosthesis, Cell culture, cell cycle, cell cycle s phase, Cell Line, Cell size, cell ultrastructure, Cells, Collagen, conference paper, Dental Implants, dentistry, extracellular matrix, Fibronectin, Fibronectins, flow cytometry, Glass fiber reinforced plastics, growth inhibition, human, human cell, Humans, hydroxyapatite, Implants, Implants (surgical), Microscopy, Electron, Scanning, mitosis inhibition, morphology, orthopedics, Osteoblasts, osteocalcin, Polystyrenes, Prostheses and Implants, prosthesis material, Tissue, tooth prosthesis},
	isbn = {00219304 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0032531299\&partnerID=40\&md5=5ea21d124ffce48018967f988cac815c},
	author = {Lopes, M.A. and Knowles, J.C. and Kuru, L. and Santos, J.D. and Monteiro, F.J. and Olsen, I.}
}
@article {2591,
	title = {In situ characterization of the p-Si/NH                    4F interface during dissolution in the current oscillations regime
},
	journal = {Journal of the Electrochemical SocietyJ Electrochem Soc},
	volume = {145},
	year = {1998},
	note = {Cited By (since 1996): 31Export Date: 21 November 2012Source: ScopusCODEN: JESOALanguage of Original Document: EnglishCorrespondence Address: Cattarin, S.; Ist. Polarografia ed E., C. N. R., 35100 Padova, ItalyReferences: Zhang, X.G., Collins, S.D., Smith, R.L., (1989) This Journal, 136, p. 1561;Smith, R.L., Collins, S.D., (1992) J. Appl. Phys., 71, pp. R1; 
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},
	month = {1998///},
	pages = {498 - 502},
	abstract = {Several physicochemical properties of the p-Si/NH                        4F interface have been monitored by in situ techniques in the regime of current oscillations. Comparison of evolution of infrared absorption, microwave reflectivity, electrode admittance, hydrogen evolution, and electron injection rate shows interesting correlations. An integrated description of the processes involved is attempted on the basis of the current models for the Si/acidic fluoride interface.
},
	keywords = {Ammonium compounds, Ammonium fluoride, Dissolution, Electric currents, Electric Impedance, Electrochemical electrodes, Electron injection rate, Hydrogen, Interfaces (materials), Microwave reflectivity, Porous silicon},
	isbn = {00134651 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0031996606\&partnerID=40\&md5=9b455077d4ee25d640363197ec7367d4},
	author = {Cattarin, S. and Chazalviel, J.-N. and Da Fonseca, C. and Ozanam, F. and Peter, L.M. and Schlichth{\"o}rl, G. and Stumper, J.}
}
@article {2589,
	title = {In situ infrared study of the oscillating anodic dissolution of silicon in fluoride electrolytes},
	journal = {Journal of the Electrochemical SocietyJ Electrochem Soc},
	volume = {145},
	year = {1998},
	note = {Cited By (since 1996): 32Export Date: 21 November 2012Source: ScopusCODEN: JESOALanguage of Original Document: EnglishCorrespondence Address: Chazalviel, J.-N.; Lab. de Phys. de la Matiere Cond., U. de Rech. Associ{\'e}e, CNRS-{\'E}cole Polytechnique, F-91128 Palaiseau-Cedex, FranceReferences: Gerischer, H., L{\"u}bke, M., (1988) Ber. Bunsenges. Phys. Chem., 92, p. 573;Gershinskii, A.E., Mironova, L.V., (1989) {\'E}lektrokhimiya, 25, p. 1374; 
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Chazalviel, J.-N., (1992) Electrochim. Acta, 37, p. 865; 
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Stumper, J., Greef, R., Peter, L.M., (1991) J. Electroanal. Chem., 310, p. 445; 
Lewerenz, H.J., Schlichth{\"o}rl, G., (1992) J. Electroanal. Chem., 327, p. 85; 
Chazalviel, J.-N., Ozanam, F., Etman, M., Paolucci, F., Peter, L.M., Stumper, J., (1992) J. Electroanal. Chem., 327, p. 343; 
Chazalviel, J.-N., Ozanam, F., (1992) J. Electrochem. Soc., 139, p. 2501; 
Lewerenz, H.J., Aggour, M., (1993) J. Electroanal. Chem., 351, p. 159; 
Lehmann, V., (1995) J. Electrochem. Soc., 143, p. 1313; 
Ozanam, F., Chazalviel, J.-N., (1993) J. Electron Spectrosc. Relat. Phenom., 64-65, p. 395; 
Ozanam, F., Da Fonseca, C., Chazalviel, J.-N., (1995) Proc. Indian Acad. Sci. Chem. Sci., 107, p. 709; 
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Cattarin, S., Chazalviel, J.-N., Da Fonseca, C., Ozanam, F., Peter, L.M., Schlichth{\"o}rl, G., Stumper, J., (1998) J. Electrochem. Soc., 145, p. 498; 
Matsumura, M., Morrison, S.R., (1983) J. Electroanal. Chem., 147, p. 157; 
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},
	month = {1998///},
	pages = {964 - 973},
	abstract = {In the far anodic regime, the anodic dissolution of silicon exhibits a resonant behavior, which results from an oscillating behavior on the microscopic scale. The interface has been investigated using in situ infrared spectroscopy in the strong oscillating regime. The interface oxide film varies in thickness by up to a factor of two, and the oxide quality, as determined from a fine analysis of the infrared polarized spectra, is also found to vary periodically during the oscillation. The relative phase of these periodic variations suggests that the origin of the oscillation mechanism lies in a periodic breakdown of the blocking properties of the oxide, which may be initiated by ion permeation in the outer part of the film. The study of oxide dissolution kinetics evidences a stratified structure of the oxide, with layers of "soft" and "strong" oxide. The fast dissolution of the soft oxide is associated with the periodic drop of the oxide thickness.},
	keywords = {Anodic dissolution, Anodic oxidation, Dissolution, infrared spectroscopy, Interfaces (materials), Oxide films, Oxides, Semiconducting silicon},
	isbn = {00134651 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0032027001\&partnerID=40\&md5=233a9e1329cdee29e5800718e702c4df},
	author = {Chazalviel, J.-N. and Da Fonseca, C. and Ozanam, F.}
}
