Biomimetic Apatite Layer on Titanium by Diluted Alkali Treatment

DOI

10.2991/mebe-15.2015.210How to use a DOI?

Keywords

Titanium; Hydroxyapatite; Bioactivity; Diluted Alkali Treatment.

Abstract

The bioactivity of titanium treated with boiling diluted alkali process was evaluated by immersing the specimens into a supersaturated calcification solution (SCS). Biomimetic bone-like apatite with typical characteristics of low crystallinity and lower Ca/P atomic ratio ranging from 1.33 to 1.45 was deposited on titanium surface. Uniform and dense needle-like apatite in the size of several microns was deposited by boiling diluted alkali treatment but without acid etching and heat treatment. The critical and imperative factor to activate the nucleation and growth of apatite is the boiling diluted alkali treatment other than acid etching or heat treatment. The nucleation and growth of the apatite deposited on titanium surface can be attributed to the amphoteric adsorption characteristics and negatively-charged surface of titanium oxides or titania gel.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Wenjun He
AU  - Ruifu Zhu
AU  - Yupeng Lü
PY  - 2015/04
DA  - 2015/04
TI  - Biomimetic Apatite Layer on Titanium by Diluted Alkali Treatment
BT  - Proceedings of the 2015 International Conference on Materials, Environmental and Biological Engineering
PB  - Atlantis Press
SP  - 939
EP  - 943
SN  - 2352-5401
UR  - https://doi.org/10.2991/mebe-15.2015.210
DO  - 10.2991/mebe-15.2015.210
ID  - He2015/04
ER  -