



@article {2351,
	title = {Surface characterization and cell response of a PLA/CaP glass biodegradable composite material},
	journal = {Journal of Biomedical Materials Research - Part AJ. Biomed. Mater. Res. Part A},
	volume = {85},
	year = {2008},
	note = {Cited By (since 1996): 5Export Date: 21 November 2012Source: ScopusCODEN: JBMRCdoi: 10.1002/jbm.a.31546PubMed ID: 17729262Language of Original Document: EnglishCorrespondence Address: Ginebra, M. P.; Department of Materials Science, Institute of Bioengineering of Catalonia (IBEC), Technical University of Catalonia, Avda Diagonal 647, 08028-Barcelona, Spain; email: maria.pau.ginebra@upc.eduChemicals/CAS: 3 (4,5 dimethyl 2 thiazolyl) 2,5 diphenyltetrazolium bromide, 298-93-1; calcium phosphate, 10103-46-5, 13767-12-9, 14358-97-5, 7758-87-4; osteocalcin, 136461-80-8; polylactic acid, 26100-51-6; Alkaline Phosphatase, EC 3.1.3.1; Bone Substitutes; calcium phosphate, 10103-46-5; Calcium Phosphates; Lactic Acid, 50-21-5; Osteocalcin, 104982-03-8; poly(lactic acid), 26100-51-6; PolymersReferences: Barrows, T., Degradable implants materials: A review of synthetic absorbable polymers and their applications (1986) Clin Mater, 1, pp. 233-267;Ciccone, W., Motz, C., Bentley, C., Tasto, J., Bioabsorbable implants in orthopaedics: New developments and clinical applications (2001) J Am Acad Orthop Surg, 9, pp. 280-288; 
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},
	month = {2008///},
	pages = {477 - 486},
	abstract = {Bioabsorbable materials are of great interest for bone regeneration applications, since they are able to degrade gradually as new tissue is formed. In this work, a fully biodegradable composite material containing polylactic acid (PLA) and calcium phosphate (CaP) soluble glass particles has been characterized in terms of surface properties and cell response. Cell cultures were performed in direct contact with the materials and also with their extracts, and were evaluated using the MTT assay, alkaline phosphatase activity, and osteocalcin measurements. The CaP glass and PLA were used as reference materials. No significant differences were observed in cell proliferation with the extracts containing the degradation by-products of the three materials studied. A relation between the materials wettability and the material-cell interactions at the initial stages of contact was observed. The most hydrophilic material (CaP glass) presented the highest cell adhesion values as well as an earlier differentiation, followed by the PLA/glass material. The incorporation of glass particles into the PLA matrix increased surface roughness. SEM images showed that the heterogeneity of the composite material induced morphological changes in the cells cytoskeleton. {\textcopyright} 2007 Wiley Periodicals, Inc.},
	keywords = {3 (4,5 dimethyl 2 thiazolyl) 2,5 diphenyltetrazolium bromide, Absorbable Implants, alkaline phosphatase, article, Biodegradable composite materials, biodegradable implant, Biodegradation, Bone, Bone Regeneration, Bone Substitutes, calcium phosphate, Calcium phosphates, cell adhesion, Cell culture, cell function, cell interaction, Cell Line, cell proliferation, Cell response, Composite materials, cytoskeleton, glass, human, human cell, Humans, hydrophilicity, hydrophobicity, In vitro test, Lactic Acid, materials testing, Osteoblasts, osteocalcin, polylactic acid, Polymers, scanning electron microscope, Surface analysis, Surface Properties, wettability},
	isbn = {15493296 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-42149187233\&partnerID=40\&md5=8942b2e00b94ff0f723261e1893d04b5},
	author = {Navarro, M. and Engel, E. and Planell, J.A. and Amaral, I. and Barbosa, M. and Ginebra, M.P.}
}
