PMID: 15348555Sep 7, 2004Paper

Hydroxyapatite coating of titanium by biomimetic method

Journal of Materials Science. Materials in Medicine
A CostantiniL Pandolfi

Abstract

The biomimetic method was used in order to deposit, on titanium substrates, an hydroxyapatite (HA) coating. The bioactive HA layer was obtained by using, in the first stage of the process, a glass having the composition 2.5CaO.2SiO(2) different from the one proposed for the application of the biomimetic method. This glass can be obtained via sol-gel, a method that allows one to obtain, easily, very pure products. The growth of HA crystals was confirmed by Fourier transform infrared, SEM, EDS and X-ray photoelectron spectroscopy (XPS) results. The experimental results suggest that, as reported in the literature for other supports, the silicate ions released from the glass in the first stage bind themselves to the titanium support. In particular, from XPS analysis it is evident that the titanium substrate is well covered by a calcium phosphate layer of the type of HA.

Citations

Jan 1, 2012·Journal of Functional Biomaterials·Maria G RaucciLuigi Ambrosio
Feb 18, 2017·International Journal of Molecular Sciences·Jeevan Prasaad GovindharajuluConrado Aparicio

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