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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
Source PublicationApplied Surface Science
ISSN0169-4332
Volume282Pages:456-462
AbstractTo 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.
description.department[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
KeywordElectrodeposition 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
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71271
Collection中国科学院金属研究所
Recommended Citation
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.
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