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  • Title: Electrodeposition and Characterization of Hydroxyapatite on TiN/316LSS.
    Author: Nam PT, Lam TD, Huong HT, Phuong NT, Trang NT, Hoang T, Huong NT, Thang le B, Drouet C, Grossin D, Kergourlay E, Bertrand G, Devilliers D, Thanh DT.
    Journal: J Nanosci Nanotechnol; 2015 Dec; 15(12):9991-10001. PubMed ID: 26682444.
    Abstract:
    The deposition of TiN on stainless steel substrates may improve the stability and compatibility of this material with bone, which may be advantageously exploited for the elaboration of advanced pros- thetic devices. In this work, TiN-coated 316LSS (by way of DC magnetron sputtering) was used as a starting material for investigating the electrochemical post-deposition of hydroxyapatite (HAp) which has a composition close to that of bone. Electrodeposition was carried out starting from an aqueous medium containing solubilized Ca(NO3)2 and NH4H2PO4 in the presence of H2O2. We report the influence of experimental conditions on the morphology of the obtained HAp coating on TiN/316LSS. The effect of applied potential, temperature, H2O2 concentration, pH and duration of reaction were thoroughly discussed on the basis of X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier Transform Infrared (FTIR) spectroscopy and Energy Dispersive X-ray Spectroscopy (EDX) results. This method appears advantageous for producing HAp-coated implant materials.
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