• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 27 Issue 2
Apr.  2014
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Article Contents
ZHAO Ansha, WANG Zhao, ZHOU Shuo, ZHU Xiaohua, XIE Xiao, HUANG Nan. Blood Compatibility of Titanium Oxide Powder after High Temperature Annealing[J]. Journal of Southwest Jiaotong University, 2014, 27(2): 367-372. doi: 10.3969/j.issn.0258-2724.2014.02.027
Citation: ZHAO Ansha, WANG Zhao, ZHOU Shuo, ZHU Xiaohua, XIE Xiao, HUANG Nan. Blood Compatibility of Titanium Oxide Powder after High Temperature Annealing[J]. Journal of Southwest Jiaotong University, 2014, 27(2): 367-372. doi: 10.3969/j.issn.0258-2724.2014.02.027

Blood Compatibility of Titanium Oxide Powder after High Temperature Annealing

doi: 10.3969/j.issn.0258-2724.2014.02.027
  • Received Date: 05 Jun 2013
  • Publish Date: 25 Mar 2014
  • Vacuum annealing was used to prepare the Ti-O powder at different annealing temperatures. The structure and surface properties were characterized by X-ray diffraction, Zeta potential test and surface area measurement respectively. Bradford method was applied to determine the adsorption and desorption of fibrinogen on the powder, and Fourier transform infrared spectroscopy was used to analyze the change of secondary structure of adsorbed fibrinogen on the samples. Then flow cytometry was used to measure the degree of platelets activation. The results show that after 800 ℃ annealing process, the crystal structure of Ti-O powder transformed from anatase to rutile with 10 times less total surface area and more negative charges, and the amount of fibrinogen adsorption was decreased to 67g and retained its normal conformation. Less platelet was activated by the annealed Ti-O powder, which proves that it has an excellent blood-compatibility.

     

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