Relationship between Ni release and cytocompatibility of Ni-Ti-O nanotubes prepared on biomedical NiTi alloy

被引：43

作者：

Liu, Yanlian ^{[1
]}

Ren, Zhiguo ^{[1
]}

Bai, Long ^{[1
]}

Zong, Mingxiang ^{[1
]}

Gao, Ang ^{[2
]}

Hang, Ruiqiang ^{[1
]}

Jia, Husheng ^{[1
]}

Tang, Bin ^{[1
]}

Chu, Paul K. ^{[2
]}

机构：

[1] Taiyuan Univ Technol, Res Inst Surface Engn, Taiyuan 030024, Peoples R China

[2] City Univ Hong Kong, Dept Phys & Mat Sci, Tat Chee Ave, Kowloon, Hong Kong, Peoples R China

来源：

CORROSION SCIENCE | 2017年 / 123卷

基金：

中国国家自然科学基金;

关键词：

Nickel-titanium alloy; Anodization; Annealing; Corrosion; Cytocompatibility; SHAPE-MEMORY ALLOY; SURFACE OXIDATION; CORROSION; TITANIUM; GROWTH; OXYGEN; FILM; PERFORMANCE; BIOACTIVITY; BEHAVIOR;

D O I：

10.1016/j.corsci.2017.05.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

To elucidate the relationship between Ni release and cytocompatibility of NiTi alloy, Ni-Ti-O nanotubes (NTs) are produced on its surface by anodization followed by annealing. The NiTi control has higher corrosion current density but releases less Ni than anodized samples, suggesting chemical dissolution of the NTs also contributes to Ni release. Although the annealed NTs release more Ni than that of NiTi control, they possess similar cytocompatibility. In addition, cytocompatibilitiy of the NTs with similar surface properties but have different Ni release levels is also comparable. These results suggest the amount of released Ni has little influence on the cytocompatibility.

引用

页码：209 / 216

页数：8

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