无机材料学报2011，Vol.26Issue(1)：78-84,7.DOI:10.3724/SP.J.1077.2011.00078
交替循环浸泡在TiO2纳米管管内填充类骨磷灰石
Filling TiO2 Nanotubes with Biological Apatite by Alternative Loop Immersion Method
摘要
Abstract
A vertically aligned TiO2 nanotube array was fabricated on the surface of titanium substrate in fluoridecontaining electrolyes by anodization. Alternative Loop Immersion Method (ALIM) was investigated to fill TiO2 nanotubes with the biological apatite in the saturated solution of Ca(OH)2 and 0.02 mol/L (NH4)2HPO4. In this way, the structure of the apatite-coating on the Ti substrate was changed for solving the problem of coating shedding well. And the amount of synthetic apatite formed by ALIM was quantified according to key tube properties such as the tube diameter,the layer thickness, the crystal structure (amorphous or anatase), etc. The effect of filling biological apatite of TiO2 nanotubes fabricated in glycerol-based electrolyte at 60V is the best. And the rate of inducing biological apatite on amorphous TiO2 nanotubes with the treatment of ALIM is better than that of anatase TiO2 nanotubes. Mineralization in vitro experiments indicates that TiO2 nanotubes after ALIM treatment promote natural apatite formation significantly in a simulated body fluid (SBF). Such TiO2 nanotube arrays with ALIM treatment, are useful as a well-adhered bioactive surface layer on Ti implant metals for orthopaedic and dental implants.关键词
TiO2纳米管/交替循环浸泡/填充/类骨磷灰石分类
化学化工引用本文复制引用
俞佳,肖秀峰,梁建鹤,刘榕芳,王春燕,毛丹..交替循环浸泡在TiO2纳米管管内填充类骨磷灰石[J].无机材料学报,2011,26(1):78-84,7.基金项目
国家自然科学基金(50970887 （）
30600149) （）
卫生部科学研究基金(WKJ 2008-02-037) （WKJ 2008-02-037）
教育部重点项目(209061) （209061）
福建省纳米材料重点实验室基金(NM10-03) （NM10-03）
