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Electrochemical preparation of chitosan/hydroxyapatite composite coatings on titanium substrates
Jody Redepenning1, Guhanand Venkataraman, Jun Chen
1Department of Chemistry, University of Nebraska-Lincoln, Hamilton Hall, Lincoln, Nebraska 68588-0304, USA. jredepen@unlserve.unl.edu
Journal of Biomedical Materials Research. Part A
|July 31, 2003
Abstract:
Composite coatings containing brushite (CaHPO(4). 2H(2)O) and chitosan were prepared by electrochemical deposition. The brushite/chitosan composites were converted to hydroxyapatite/chitosan composites in aqueous solutions of sodium hydroxide. The coatings ranged from approximately 1 to 15% chitosan by weight. Qualitative assessment of the coatings showed adhesion significantly improved over that observed for electrodeposited coatings of pure HA.