期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 127, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2021.108484
关键词
Corrosion resistance; Antibacterial property; Biocompatibility; Metal-organic framework; Rare earth element
资金
- National Key R&D Program of China [2016YFC1102802]
- Natural Science Foundation of Jilin Province [20200201020JC]
- Key Research Project of the Education Department of Jilin Province of China [JJKH20211046KJ]
- Open Project of State Key Laboratory of Supramolecular Structure and Materials [sklssm202011]
This study successfully increased the corrosion resistance and antibacterial properties of titanium by synthesizing a new Ce doped MIL metal-organic framework derivative and coating it on titanium with hydroxyapatite. The MOF-hydroxyapatite composite coating maintained the original biocompatibility of titanium while enhancing its performance against corrosion and bacterial infection.
Although titanium (Ti) and its alloys are the most widely used biomedical implant materials in the world today due to their satisfactory mechanical strength, high corrosion resistance and neglecting cellular toxicity, implant failures still occur because of poor osseointegration and bacterial infection. Thus in this paper we synthesized an new Ce doped MIL metal-orgainc framework derivant and used it as an anti-bacterial and anti-corrosion additive coating on titanium with hydroxyapatite by electrochemical in situ deposition technique. The experimental results demonstrated that the MOF-hydroxyapatite composite coating can increase the corrosion resistance and antibacterial property of titanium without destroying its original biocompatibility.
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