锡
等离子体浸没离子注入
生物相容性
腐蚀
材料科学
合金
铜
锌
冶金
氮化钛
X射线光电子能谱
化学工程
核化学
化学
氮化物
纳米技术
离子注入
图层(电子)
离子
有机化学
工程类
作者
Qingling Li,Li Li,Mengli Zhao,Lei Dong,Jie Wu,Dejun Li
出处
期刊:Biointerphases
[American Institute of Physics]
日期:2019-09-01
卷期号:14 (5)
被引量:12
摘要
Ti-6Al-4V alloy, as a widely used orthopedic and dental implant, has excellent biocompatibility and machinability. However, its poor corrosion resistance and antibacterial property may lead to tissue inflammation and postoperative infection, which hinders its further development. In this paper, to solve the above problems, copper (Cu) and zinc (Zn) ions were coimplanted into a titanium nitride (TiN) coated Ti-6Al-4V alloy via a plasma immersion ion implantation system (PIII). Then, the structure and composition of Cu/Zn coimplanted TiN (Cu/Zn-TiN-PIII) were characterized by scanning electron microscopy and x-ray photoelectron spectroscopy. Also, the results of the corrosion test, the water contact angles test, and the protein electrophoresis experiment showed that the corrosion resistance, hydrophilicity, and the protein adsorption capacity of Cu/Zn-TiN-PIII were improved simultaneously. In addition, compared with TiN-PIII, Cu/Zn-TiN-PIII promoted both cytocompatibility and the antibacterial property according to L929 cells and Escherichia coli assays in vitro. Therefore, Cu/Zn-TiN-PIII may be a good candidate for orthopedic implants.
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