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Chinese Science Bulletin

, Volume 57, Issue 16, pp 2022–2028 | Cite as

The hemocompatibility and the reabsorption function of TiO2 nanotubes biomembranes

  • JiWei Li
  • Wen ZhuEmail author
  • JianFeng Liu
  • Xi Liu
  • HuiQiong Liu
Open Access
Article Materials Science

Abstract

A novel high-intensity TiO2 nanotubes array membrane was fabricated via electrochemical anodization of highly pure titanium foil and an open-ended TiO2 nanotubes array membrane was obtained by HF gas etching at the bottom of the nanotubes. Pig tubular epithelial cells (LLC-PK1) and vascular endothelial cells (ECV304) were cultivated on the open-ended TiO2 nanotubes surface through a mixing implantation method and TiO2 nanotubes biomembrane materials with physiological function were successfully produced. Hemocompatibility of glass slides, pure titanium, TiO2 nanotubes without cells and TiO2 nanotubes with culture cells were investigated by the plasma recalcification time method and reabsorption of sodium and potassium were measured by custom-designed devices. The results show that the hemocompatibility of the TiO2 nanotubes array membrane with culture cells was superior to the control group, and the biomembrane has an excellent reabsorption function. This demonstrates that a TiO2 nanotubes array membrane has excellent physiological function and is an ideal candidate material for biological dialysis.

Keywords

TiO2 nanotube arrays hemocompatibility reabsorption function biomembrane 

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Copyright information

© The Author(s) 2012

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Authors and Affiliations

  • JiWei Li
    • 1
  • Wen Zhu
    • 1
    Email author
  • JianFeng Liu
    • 2
  • Xi Liu
    • 1
  • HuiQiong Liu
    • 1
  1. 1.State Key Laboratory of Materials Processing and Die & Mould TechnologyHuazhong University of Science and TechnologyWuhanChina
  2. 2.School of Life Science and TechnologyHuazhong University of Science and TechnologyWuhanChina

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