Preparation of biomedical Ag incorporated hydroxyapatite/titania coatings on Ti6Al4V alloy by plasma electrolytic oxidation

被引:16
作者
Zhou Lan [1 ,2 ,3 ]
Lu Guo-Hua [3 ]
Mao Fei-Fei [4 ]
Yang Si-Ze [3 ,5 ]
机构
[1] Nanjing Univ Posts & Telecommun, Coll Math & Phys, Nanjing 210003, Jiangsu, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Minist Educ, Key Lab Broadband Wireless Commun & Sensor Networ, Nanjing 210003, Jiangsu, Peoples R China
[3] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
[4] Peking Univ, Sch Stomatol, Interdisciplinary Lab, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China
[5] Xiamen Univ, Sch Phys & Mech & Elect Engn, Dept Aeronaut, Fujian Key Lab Plasma & Magnet Resonance, Xiamen 361005, Peoples R China
基金
中国国家自然科学基金;
关键词
hydroxyapatite; corrosion resistance; antibacterial ability; biocompatibility; MICRO-ARC OXIDATION; MECHANICAL-PROPERTIES; SILVER NANOPARTICLES; SILOXANE FILMS; BONE-CEMENT; ANTIBACTERIAL; IMPLANTS; BIOCOMPATIBILITY; CYTOTOXICITY; PERFORMANCE;
D O I
10.1088/1674-1056/23/3/035205
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Nano-Ag incorporated hydroxyapatite/titania (HA/TiO2) coatings were deposited on Ti6Al4V substrates by the plasma electrolytic oxidation process. Compared with the substrate, the deposited coatings display attractive mechanical and biomedical properties. First, the coatings have stronger wear resistance and corrosion resistance. Second, they show a strong antibacterial ability. The mean vitality of the P. gingivalis on the coating surfaces is reduced to about 21%. Third, the coatings have good biocompatibility. The mean viability of the fibroblast cells on the coating surface is increased to about 130%. With these attractive properties, Ag incorporated HA/TiO2 coatings may be useful in the biomedical field.
引用
收藏
页数:8
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