Corrosion behavior and biocompatibility of strontium and fluorine co-doped electrodeposited hydroxyapatite coatings

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	Corrosion behavior and biocompatibility of strontium and fluorine co-doped electrodeposited hydroxyapatite coatings
	Y. Huang; Q. Q. Ding; X. F. Pang; S. G. Han; Y. J. Yan
	2013
发表期刊	Applied Surface Science
ISSN	0169-4332
卷号	282 页码:456-462
摘要	To improve the corrosion resistance and biocompatibility of biomedical titanium, strontium (Sr) and fluorine (F) were simultaneously incorporated in hydroxyapatite (HAp) to form SrFHAp coating on titanium (Ti) via electrodeposition. The microstructure, phase composition, corrosion resistance, and cytocompatibility of the films were studied. Results revealed that by incorporating F- and Sr2+ ions in HAp, the density of the coating markedly increased, i.e., a lower porosity than common HAp coating. The SrFHAp layer was dense and uniform, with nano-needle-like crystals of apatite, which aligned vertically to the substrate. The SrFHAp crystals were calcium-deficient apatite, and Sr2+ ions and F- ions were homogeneously distributed in the coating. The SrFHAp coating showed lower dissolution rate than HA coating. Potentiodynamic polarization test manifested that the SrFHAp-coated titanium exhibited superior corrosion resistance than HAp single-coated sample. In addition, osteoblasts cellular tests revealed that the SrFHAp coating was more effective to improve the in vitro biocompatibility of Ti compared with HAp coating. (C) 2013 Elsevier B. V. All rights reserved.
部门归属	[huang, yong ; ding, qiongqiong ; pang, xiaofeng ; han, shuguang ; yan, yajing] univ elect sci & technol china, inst life sci & technol, chengdu 610054, sichuan, peoples r china. [huang, yong] hebei north univ, coll lab med, zhangjiakou 075000, peoples r china. [pang, xiaofeng] chinese acad sci, int ctr mat phys, shenyang 110015, peoples r china. ; pang, xf (reprint author), univ elect sci & technol china, inst life sci & technol, 4 sect 2,jianshe north rd, chengdu 610054, sichuan, peoples r china. ; pxf2012@yahoo.com.cn
关键词	Electrodeposition Strontium Fluorine Hydroxyapatite Coatings In-vitro Behavior Fluoridated Hydroxyapatite Calcium-phosphate Electrolytic Deposition Biomedical Applications Mg Alloy Titanium Bioactivity Responses Cells
URL	查看原文
语种	英语
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/71271
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Huang,Q. Q. Ding,X. F. Pang,et al. Corrosion behavior and biocompatibility of strontium and fluorine co-doped electrodeposited hydroxyapatite coatings[J]. Applied Surface Science,2013,282:456-462.
APA	Y. Huang,Q. Q. Ding,X. F. Pang,S. G. Han,&Y. J. Yan.(2013).Corrosion behavior and biocompatibility of strontium and fluorine co-doped electrodeposited hydroxyapatite coatings.Applied Surface Science,282,456-462.
MLA	Y. Huang,et al."Corrosion behavior and biocompatibility of strontium and fluorine co-doped electrodeposited hydroxyapatite coatings".Applied Surface Science 282(2013):456-462.