期刊
BIOELECTROCHEMISTRY
卷 109, 期 -, 页码 79-86出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.bioelechem.2016.02.001
关键词
TiO2 nanotubes; Sterilization; Surface; Cytocompatibility; Electrochemical anodization
资金
- Slovenian Research Agency (ARRS) [J1-4109, J1-4136, J3-4108, P3-0314, P2-0232]
- Ministry of Education, Youth and Sports of the Czech Republic [L01504]
Sterilization is the final surface treatment procedure of all implantable devices and is one of the key factors which have to be considered before implementation. Since different sterilization procedures for all implantable devices influence mechanical properties as well as biological response, the influence of different sterilization techniques on titanium nanotubes was studied. Commonly used sterilization techniques such as autoclaving, ultra-violet light sterilization, hydrogen peroxide plasma sterilization as well as the not so frequently used gaseous oxygen plasma sterilization were used. Three different nanotube diameters; 15 nm, 50 nm and 100 nm were employed to study the effects of various sterilization techniques. It was observed that autoclave sterilization resulted in destruction of nanotubular features on all three studied nanotube diameters, while UV-light and both kinds of plasma sterilization did not cause any significant morphological changes on the surfaces. Differences between the sterilization techniques employed influenced cytocompatibility, especially in the case of nanotubes with 100 nm diameter. (C) 2016 Elsevier B.V. All rights reserved.
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