Bioactivity of SiOC and SiCaMgOC coatings prepared by sol-gel method

被引：2
作者：
Chen, Hongmei [1 ]
Yu, Shu [2 ]
Li, Yunping [1 ]
机构：
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
[2] Cent South Univ, Natl Key Lab Sci & Technol High strength Struct Ma, Changsha 410083, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2023年 / 49卷 / 21期
关键词：
Bioactivity; SiOC; Ca; and Mg -modified silicon oxycarbide; Cytotoxicity; SILICON OXYCARBIDE; BLACK GLASSES; TITANIUM; BEHAVIOR; SURFACE; CARBON; XPS; OXIDATION; CERAMICS; PHASE;
D O I：
10.1016/j.ceramint.2023.08.138
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
SiOC and SiCaMgOC coatings were prepared by sol-gel method from precursors of hydrosilane and the mixture of hydrosilane, calcium acetylacetonate (Ca(acac)2) and magnesium acetylacetonate (Mg(acac)2), respectively. Fourier transform infra-red (FTIR) and X-ray photoelectron spectroscopy (XPS) analysis on the coatings revealed that Ca2+and Mg2+ ions can be successfully doped into SiOC coating after aging and annealing in the SiCaMgOC coating. The cytotoxicity and bioactivity of three samples have been detected by MTT assay, cell adhesion and simulated boy fluid (SBF) immersion test. The results suggested that SiCaMgOC coating induced more apatite than that of C/C and SiOC in the comparable soaking process. SiCaMgOC coating demonstrated better biological activity and cellular adherence for its higher surface roughness and ion exchange reaction between Ca2+and Mg2+ ions and protons (H+/H3O+) in the SBF solution.
引用
收藏
页码：34248 / 34254
页数：7
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