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学科主题: 口腔医学
题名:
Surface modification of titanium by nano-TiO(2)/HA bioceramic coating
作者: He, G.1; Hua, J.1; Wei, S. C.2; Li, J. H.1; Liang, X. H.1; Luo, E.1
关键词: Hydroxyapatite ; Titanium implant ; Osteoblast ; Surface modification
刊名: APPLIED SURFACE SCIENCE
发表日期: 2008-11-15
DOI: 10.1016/j.apsusc.2008.06.088
卷: 255, 期:2, 页:442-445
收录类别: SCI ; ISTP
文章类型: Proceedings Paper
WOS标题词: Science & Technology
类目[WOS]: Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]: Chemistry ; Materials Science ; Physics
关键词[WOS]: SOL
英文摘要:

A nano-TiO(2)/hydroxyapatite composite bioceramic coating was developed and applied to the surfaces of pure titanium discs by the sol-gel method. A TiO(2) anatase bioceramic coating was utilized in the inner layer, which could adhere tightly to the titanium substrate. A porous hydroxyapatite ( HA) bioceramic coating was utilized in the outer layer, which has higher solubility and better short-term bioactivity. Conventional HA coatings and commercially pure titanium were used as controls. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were employed to characterize the crystallization, surface morphology, and thickness of the coatings. The bioactivities of the coatings were evaluated by in vitro osteoblast cultures. Results showed that the nano-TiO(2)/HA composite bioceramic coating exhibited good crystallization and homogeneous, nano-scale surface morphology. In addition, the nano-TiO(2)/HA coating adhered tightly to the substrate, and the in vitro osteoblast cultures exhibited satisfactory bioactivity. (C) 2008 Elsevier B.V. All rights reserved.

语种: 英语
WOS记录号: WOS:000260510600052
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58788
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Peking Univ, Sch Stomatol, Beijing 100044, Peoples R China
2.Sichuan Univ, State Key Lab Oral Dis, Chengdu 610044, Peoples R China

Recommended Citation:
He, G.,Hua, J.,Wei, S. C.,et al. Surface modification of titanium by nano-TiO(2)/HA bioceramic coating[J]. APPLIED SURFACE SCIENCE,2008,255(2):442-445.
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