Journal of Bioengineering & Biomedical Science

ISSN: 2155-9538

Open Access

Characterization and Effect of Anatase on Nano- Hydroxyapatite


Dora E. Ledesma-Carrión

The main bone substitute is hydroxyapatite either mineral or synthetic. Synthetic hydroxyapatite is produced by various methods such as, sol-gel, mechanochemical, hydrothermal, sonochemical, ceramic (wet and dry roads, routes through cements of calcium phosphates and route using emulsions-microemulsions), and hydrolysis. Hydroxyapatite obtained by wet via has features from micro to nano. It has been reported that adding titania mechanical properties of hydroxyapatite improve. In this study only the experimental evidence is presented. The objective of this study was to analyze the effect of anatase in synthetic hydroxyapatite obtained by co-precipitators. Powders were subjected to uniaxial and isostatic cold pressing to form pills. Later pills were sintered. The characterization of the material includes several techniques. It was compared with each of the different percentages of anatase 0.1, 1.5, 1, 3, 5, 7 and 10. The results show the existence of an optimum percentage by which the mechanical properties surpass others, maximum of hardness before immersed it in simulated body fluid with 7%. The explanation of this optimum is the presence of calcium titanate because of titania diffuses efficiently in the network hydroxyapatite.


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