摘要
Titanium oxide film with a graded interface to NiTi matrix was synthesized in situ on NiTi shape memory alloy(SMA) by oxidation in H2O2 solution. In vitro studies including contact angle measurement, hemolysis, MTT cytotoxicity and cell morphology tests were employed to investigate the biocompatibility of the H2O2-oxidized NiTi SMAs with this titanium oxide film. The results reveal that wettability, blood compatibility and fibroblasts compatibility of NiTi SMA are improved by the coating of titanium oxide film through H2O2 oxidation treatment.
Titanium oxide film with a graded interface to NiTi matrix was synthesized in situ on NiTi shape memory alloy（SMA） by oxidation in H2O2 solution. In vitro studies including contact angle measurement, hemolysis, MTT cytotoxicity and cell morphology tests were employed to investigate the biocompatibility of the H2O2-oxidized NiTi SMAs with this titanium oxide film. The results reveal that wettability, blood compatibility and fibroblasts compatibility of NiTi SMA are improved by the coating of titanium oxide film through H2O2 oxidation treatment.
出处
《中国有色金属学会会刊：英文版》
EI
CSCD
2007年第3期553-557,共5页
Transactions of Nonferrous Metals Society of China
基金
Project(50501007) supported by the National Natural Science Foundation of China
Project supported by Program for New Century Excellent Talents(NCET) in University of Ministry of Education of China
Project(7001999) supported by the SRG grant from the Research Committee of the CityU of HK
Project(4012001007) supported by the Teaching and Research Award Program for Outstanding Young Teachers of Southeast University, China
关键词
生物适应性
记忆合金
润湿性能
氧化物
NiTi shape memory alloy
titanium oxide film
biocompatibility
wettability
cytocompatibility
