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Biocompatibility of chitosan/heparin multilayer coating on NiTi alloy

  • Ping Dong
  • , Lingwei Yuan
  • , Weichang Hao*
  • , Yayi Xia
  • , Guozu Da
  • , Tianmin Wang
  • *此作品的通讯作者
  • Beihang University
  • Lanzhou University
  • Seemine Company

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Nickel Titanium alloy has been used widely in clinical iatrology for years because of its unique shape memory capability, proper elasticity and considerable biocompatibility. But as an implanted material, its possible release of Ni ions which might cause toxic effect and its improvable biocompatibility draw attentions of researchers. In this study, chitosan/heparin multilayer is coated on NiTi shape memory alloy by electrostatic self-assemble method. Field emission scanning electron microscopy (FE-SEM), contact angle test is used to show its surface character; hemolysis test, dynamic clotting time experiment and platelet binding test are utilized to investigate the blood compatibility of the materials. The results reveal that the hydrophilic character of the coated one is better than the substrate, and blood compatibility of NiTi is improved by coating treatment.

源语言英语
主期刊名Materials Research
编辑Zhongwei Gu, Zhongwei Gu, Zhongwei Gu, Yafang Han, Yafang Han, Yafang Han, Fusheng Pan, Fusheng Pan, Fusheng Pan, Fusheng Pan, Fusheng Pan, Fusheng Pan, Xitao Wang, Xitao Wang, Xitao Wang, Duan Weng, Duan Weng, Duan Weng, Shaoxiong Zhou, Shaoxiong Zhou, Shaoxiong Zhou
出版商Trans Tech Publications Ltd
1179-1182
页数4
ISBN(印刷版)9780878493401, 9780878493401, 9780878493401
DOI
出版状态已出版 - 2009
活动MRS International Materials Research Conference, IMRC 2008 - Chongqing, 中国
期限: 9 6月 200812 6月 2008

出版系列

姓名Materials Science Forum
610-613
ISSN(印刷版)0255-5476
ISSN(电子版)1662-9752

会议

会议MRS International Materials Research Conference, IMRC 2008
国家/地区中国
Chongqing
时期9/06/0812/06/08

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