



@article {2378,
	title = {Laser surface treatment of hydroxyapatite for enhanced tissue integration: Surface characterization and osteoblastic interaction studies},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {81},
	year = {2007},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.31073PubMed ID: 17252543Language of Original Document: EnglishCorrespondence Address: Teixeira, S.; Laborat{\'o}rio de Biomateriais, INEB - Instituto de Engenharia Biom{\'e}dica, Rua do Campo Alegre 823, 4150-180, Porto, Portugal; email: smsilva@ineb.up.ptChemicals/CAS: hydroxyapatite, 1306-06-5, 51198-94-8; Ceramics; Durapatite, 1306-06-5Manufacturers: Plasma BiotalReferences: Teixeira S, Queiroz AC, Monteiro FJ, Ferraz MP, Vilar R, Eugenio S. Osteoblast proliferation and morphology analysis on laser modified hydroxyapatite surfaces: Preliminary results. Bioceramics 2006;18 (Parts 1, 2):309-311, 105-108Fernandez-Pradas, J.M., Cleries, L., Martinez, E., Sardin, G., Esteve, J., Morenza, J.L., Influence of thickness on the properties of hydroxyapatite coatings deposited by KrF laser ablation (2001) Biomaterials, 22, pp. 2171-2175;Fernandez-Pradas, J.M., Cleries, L., Serra, P., Sardin, G., Morenza, J.L., Evolution of the deposition rate during pulsed laser deposition of hydroxyapatite coatings and its relation with target morphology (2001) Appl Phys A: Mater Sci Process, 72, pp. 613-618; 
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},
	month = {2007///},
	pages = {920 - 929},
	abstract = {Biocompatibility has long been associated with surface microtopography, microtexture, and microchemistry. The surface topography eventually affects the nature and the intensity of the interactions that occur at biomaterial- biological interface (cell adhesion, mobility, spreading, and proliferation). Therefore, it is necessary to produce and work with controlled microtopographical surfaces that present reproducible microdomains of a dimension similar to that of the biological elements of interest (in this case, osteoblasts). There are a number of substrates that already have been studied in terms of surface topography; however, few studies are related to hydroxyapatite (HA) substrates. As it is well established, HA is a well-known ceramic that is extremely used in medical applications, namely implants and coatings. In this work, the surface topography of dense HA substrates was altered by using KFr excimer laser. The surface was characterized by atomic force microscopy and contact angle measurements, while the cell distribution and morphology was assessed by scanning electron microscopy and confocal laser scanning microscopy. Results revealed that the surface is characterized by a homogeneous columnar structure with high specific area. Moreover, cells were able to attach and spread on the surface of the samples, and gradually grow into nearly confluent monolayers. {\textcopyright} 2007 Wiley Periodicals, Inc.},
	keywords = {article, Atomic force microscopy, Biocompatibility, biomaterial, cell adhesion, Cell Communication, Cell Line, Tumor, cell motility, cell proliferation, cell spreading, cellular distribution, ceramic prosthesis, ceramics, chemistry, confocal laser microscopy, controlled study, Durapatite, Excimer laser, Excimer lasers, human, human cell, Humans, hydroxyapatite, laser, Lasers, material coating, Microchemistry, Microscopy, Atomic Force, Microscopy, Confocal, Microscopy, Electron, Scanning, Microtexture, monolayer culture, osteoblast, Osteoblasts, reproducibility, Scanning electron microscopy, Surface microtopography, Surface modification, Surface Properties, surface property, Surface topography, Surface treatment, Tissue engineering},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34249742544\&partnerID=40\&md5=b6cb0aaa7b8e4a267b97d91d7171862f},
	author = {Teixeira, S. and Monteiro, F.J. and Ferraz, M.P. and Vilar, R. and Eug{\'e}nio, S.}
}
