Formation of an anti-bacterial oxide film on Ti-Ta alloy by anodic oxidation

被引：3
作者：
Lin, Hao-Jan [1 ,2 ]
Ou, Shih-Fu [3 ]
Huang, Ta-Sen [2 ,4 ]
Fan, Fang-Yu [5 ]
Ou, Keng-Liang [2 ,4 ,6 ,7 ]
Lin, Li-Hsiang [1 ]
机构：
[1] Taipei Med Univ, Coll Oral Med, Sch Dent, Taipei 110, Taiwan
[2] Taipei Med Univ, Res Ctr Biomed Implants & Microsurg Devices, Taipei 110, Taiwan
[3] Natl Kaohsiung Univ Appl Sci, Dept Mold & Die Engn, Kaohsiung 813, Taiwan
[4] Taipei Med Univ, Shuang Ho Hosp, Dept Dent, Taipei 235, Taiwan
[5] Taipei Med Univ, Coll Oral Med, Dept Dent Technol, Taipei 110, Taiwan
[6] Taipei Med Univ, Res Ctr Biomed Devices & Prototyping Prod, Taipei 110, Taiwan
[7] Taipei Med Univ, Coll Oral Med, Grad Inst Biomed Mat & Tissue Engn, Taipei 110, Taiwan
来源：
CORROSION POSTERS (GENERAL) - 224TH ECS MEETING | 2014年 / 58卷 / 38期
关键词：
I MICROSTRUCTURE CHARACTERISTICS; DIAMOND-LIKE CARBON; MECHANICAL-PROPERTIES; TITANIUM; RESISTANCE; IMPLANTS; IONS;
D O I：
10.1149/05838.0001ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Recently, Ti-Ta alloys have been expected to be as candidates for dental or orthopedic implants because of their low elastic modulus and high corrosion resistance. However, Ti-Ta alloys do not have the properties to protect against bacterial infection. An antibacterial coating was fabricated on the Ti-Ta alloy surface by anodic oxidation (AO) and its surface properties were investigated. The anodic oxidized (AOed) film exhibited a roughened surface dotted with micropores. In addition, the AOed surface is more hydrophilic than the Ti-Ta alloy. The results of an anti-bacterial test revealed that the AOed surface possessed excellent antibacterial rate against Staphylococcus aureus (98.5%).
引用
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页码：1 / 8
页数：8
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