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The aim of this study was to assess the viability of coating collagen to Hydroxyapatite (HA) coated commercially pure Titanium (cpTi) samples. Five samples of cpTi were immersed in a simulated body fluid (Tas-SBF) after stages of gritting, sandblasting and acid etching. One sample was taken out after 3, 5 and 7 days of immersion in Tas-SBF respectively. The 7 days Tas-SBF coated sample was coated with collagen by physical adsorption method. Analysis was performed to study the surface roughness, morphology and elemental analysis of the coated surfaces.The equipment used were Alicona, Scanning Electron Microscope (SEM), Energy-dispersive X-ray Spectroscopy (EDS) and Fourier Transform Infrared Spectroscopy (FTIR). Process of sand blasting and acid etching were able to produce desired morphology and surface roughness. The average surface roughness, Sa of sand blasted cpTi surface and acid etched cpTi were 2.17 ± 0.75 μm and 2.12 ± 0.15 μm respectively. Immersion in Tas-SBF produced a crystalline coating and morphology that were similar to bone-like apatite. Roughness value of cpTi after being immersed in SBF for 7 days was 2.23 ± 0.31 μm and the Ca/P ratio was 7.076. Collagen coated samples had the highest Sa value which was 3.91 ± 0.31 μm and the Ca/P ratio was 1.190. This study showed that it is possible to achieve apatite and collagen coating on a modified cpTi surface using physical adsorption method.
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