| NiTi合金生物医用材料表面改性的研究进展 |
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| 引用本文： | 申卫星,蔡开勇.NiTi合金生物医用材料表面改性的研究进展[J].材料导报,2011(Z1):379-383. |
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| 作者姓名： | 申卫星 蔡开勇 |
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| 作者单位： | 重庆大学生物工程学院生物流变科学与技术教育部重点实验室; |
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| 基金项目： | 霍英东青年教师基金(基础性研究)(121035) |
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| 摘 要： | NiTi合金由于其形状记忆效应、超弹性和低模量等优良性能在生物医学领域得到广泛应用。然而,在生理环境中镍离子释放会诱发毒性和炎性反应,因此需要对其进行表面改性。从表面氧化、表面涂层和表面接枝大分子等方面综述了近年来国内外NiTi合金表面改性的研究进展,评述了各种表面改性技术的优势和缺陷,指明了NiTi合金表面改性的未来发展趋势。
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| 关 键 词： | NiTi合金 生物医用材料 表面改性 镍离子 |
Research Progress in the Surface Modification of NiTi Alloy Based Biomedical Materials |
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| SHEN Weixing,CAI Kaiyong.Research Progress in the Surface Modification of NiTi Alloy Based Biomedical Materials[J].Materials Review,2011(Z1):379-383. |
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| Authors: | SHEN Weixing CAI Kaiyong |
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| Affiliation: | SHEN Weixing,CAI Kaiyong (Key Laboratory of Biorheological Science and Technology of Ministry of Education,College of Bioengineering,Chongqing University,Chongqing 400044) |
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| Abstract: | NiTi alloys have been widely used in biomedical fields because of their excellent properties of unique shape memory effect,superelasticity and low modulus.However,the release of Ni ions from NiTi alloy in the physiological environment could lead to undesired toxic and inflammatory responses.Thus,surface modification of NiTi alloy is necessary.The recent progress on the researches of surface modification of NiTi alloy aiming at reducing the release of nickel ions and improvement of its biocompatibility are r... |
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| Keywords: | NiTi alloy biomedical materials surface modification nickel ions |
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