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Preparation and characterization of an electrodeposited calcium phosphate coating associated with a calcium alginate matrix.

Abstract : A new way of optimizing osteoconduction of biomaterials is to bring to them biological properties. In this work, we associated a novel release system with an electrodeposited calcium phosphate (CaP) coated titanium alloy Ti6Al4V. The characterization of this material was performed by means of light microscopy, scanning electron microscopy (SEM), scanning transmission electron microscopy (STEM) and X-ray energy dispersive spectroscopy (EDXS). The electrodeposited CaP coating was a tricalcium phosphate, and the release system was composed of microcapsules entrapped in an alginate film. We observed that the alginate matrix had a close contact with the coating. An intermediate layer containing calcium and phosphorus appeared at the interface between the alginate matrix and the CaP coating. These results allowed us to conclude that the association of two techniques, i.e. electrodeposition followed by deposition of a calcium alginate matrix, led to the elaboration of a new biomaterial.
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https://www.hal.inserm.fr/inserm-00069176
Contributor : Dominique Laurent-Maquin <>
Submitted on : Tuesday, May 16, 2006 - 3:03:52 PM
Last modification on : Wednesday, August 30, 2017 - 1:12:34 AM

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Reynald Hurteaux, Hicham Benhayoune, Florence Edwards-Levy, Sylvie Bouthors, Gérard Balossier, et al.. Preparation and characterization of an electrodeposited calcium phosphate coating associated with a calcium alginate matrix.. J Mater Sci Mater Med, 2005, 16, pp.9-13. ⟨10.1007/s10856-005-6440-6⟩. ⟨inserm-00069176⟩

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