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In vitro blood compatibility of alumina coatings prepared by micro-arc oxidation on biomedical NiTi alloy

  • Jilin Xu*
  • , Fu Liu
  • , Junming Luo
  • , Zhenchen Zhong
  • *Corresponding author for this work
  • Nanchang Hangkong University
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, the in vitro blood compatibility of micro-arc oxidation (MAO) alumina coatings prepared in different times on biomedical NiTi alloy was studied using hemolysis ratio, dynamic blood clotting and platelet adhesion. The results show that the blood compatibility of the coated NiTi alloy is much better than that of uncoated NiTi alloy and reduces with increasing the micro-arc oxidation treatment times. Therefore, it can be concluded that the blood compatibility of materials is mainly dominated by the surface species contacted with blood within some ranges of surface roughness, not the surface morphologies, and the MAO alumina coatings can effectively improve the blood compatibility of NiTi alloy.

Original languageEnglish
Title of host publicationFrontiers of Mechanical Engineering and Materials Engineering
Pages1021-1024
Number of pages4
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 International Conference on Frontiers of Mechanical Engineering and Materials Engineering, MEME 2012 - Hong Kong, Hong Kong
Duration: 27 Jul 201229 Jul 2012

Publication series

NameApplied Mechanics and Materials
Volume184-185
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2012 International Conference on Frontiers of Mechanical Engineering and Materials Engineering, MEME 2012
Country/TerritoryHong Kong
CityHong Kong
Period27/07/1229/07/12

Keywords

  • Alumina coating
  • Blood compatibility
  • In vitro
  • Micro-arc oxidation
  • NiTi alloy

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