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学科主题口腔医学
One-step modification of nano-hydroxyapatite coating on titanium surface by hydrothermal method
Hu, Xixue2,4; Shen, Hong3; Cheng, Yan2; Xiong, Xiaoling2; Wang, Shenguo3; Fang, Jing2,4; Wei, Shicheng1,2
关键词Titanium Surface Modification Nano-ha Hydrothermal Treatment Cell Affinity
刊名SURFACE & COATINGS TECHNOLOGY
2010-12-25
DOI10.1016/j.surfcoat.2010.08.088
205期:7页:2000-2006
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Materials Science, Coatings & Films ; Physics, Applied
研究领域[WOS]Materials Science ; Physics
关键词[WOS]PLASMA-SPRAYED HYDROXYAPATITE ; CALCIUM-PHOSPHATE COATINGS ; SIMULATED BODY-FLUID ; IN-VITRO ; LASER DEPOSITION ; IMPLANT SURFACES ; ION-IMPLANTATION ; CELL RESPONSE ; PURE TITANIUM ; THIN-FILMS
英文摘要

Since metallic biomaterials used for orthopedic and dental implants possess a paucity of reactive functional groups, bioactivity modification of these materials is challenging. To enhance osteoconductivity, sandblasted and acid etched titanium (SIA-Ti) discs were hydrothermally treated in simple suspension of hydroxyapatite (HA) by a one-step method in the present work. Change of surface chemistry, surface morphology of samples, and structure of formed nano-HA were investigated by X-ray photoelectron spectrometry (XPS), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray powder diffraction (XRD). The results demonstrated that the concentration of hydroxyl groups increased after hydrothermal treatment The ability of the titanium surface to form nano-HA was enhanced by increasing the hydrothermal treatment temperature and time. The bonding strength of the formed nano-HA coating, examined by an ultrasonic cleaning process, was higher than that of HA coating generated directly by HA suspension deposition. Culturing of MC3T3-E1 cells on the SLA-Ti and HT-Ti discs in vitro showed that HT-Ti was more favorable for cell attachment and differentiation than SIA-Ti. Hence the one-step hydrothermal treatment with HA suspension was a simple, effective and promising method for HA coating modification of titanium implants. (C) 2010 Elsevier B.V. All rights reserved.

语种英语
WOS记录号WOS:000286343100030
项目编号2007CB936103 ; 20090450242
资助机构State Key Development Program for Basic Research of China ; China Postdoctoral Science Foundation ; Peking University
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/50974
专题北京大学口腔医学院
北京大学口腔医学院_图书馆
作者单位1.Peking Univ, Sch Stomatol, Dept Oral & Maxillofacial Surg, Beijing 100081, Peoples R China
2.Peking Univ, Acad Adv Interdisciplinary Studies, Ctr Biomed Mat & Tissue Engn, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, BNLMS, Beijing 100190, Peoples R China
4.Peking Univ, Coll Engn, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714
Hu, Xixue,Shen, Hong,Cheng, Yan,et al. One-step modification of nano-hydroxyapatite coating on titanium surface by hydrothermal method[J]. SURFACE & COATINGS TECHNOLOGY,2010,205(7):2000-2006.
APA Hu, Xixue.,Shen, Hong.,Cheng, Yan.,Xiong, Xiaoling.,Wang, Shenguo.,...&Wei, Shicheng.(2010).One-step modification of nano-hydroxyapatite coating on titanium surface by hydrothermal method.SURFACE & COATINGS TECHNOLOGY,205(7),2000-2006.
MLA Hu, Xixue,et al."One-step modification of nano-hydroxyapatite coating on titanium surface by hydrothermal method".SURFACE & COATINGS TECHNOLOGY 205.7(2010):2000-2006.
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