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Fabrication and antibacterial properties of cefuroxime-loaded TiO2 nanotubes

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Abstract

The anodized titanium nanotubes (TiO2-NTs) are considered to be a potential material in clinical therapy. To enhance the antibacterial property of TiO2-NTs, cefuroxime is introduced into TiO2-NTs, and then, different chitosan layers are coated to control the release of cefuroxime. SEM and FTIR are adapted for the characterization of prepared TiO2-NTs. The effects of chitosan coating thickness on release of cefuroxime are also investigated, followed with the antibacterial property evaluation. The results show TiO2-NTs are fabricated by anodization method and cefuroxime is also successfully loaded into the nanotubes. The thickness of chitosan coating is an important factor to the release rate of cefuroxime. Antimicrobial detection and morphology observation of S. aureus show a sustained 7-day drug release and strong negative effect on bacteria. The approach in this study provides a broadly applicable method to fabricate titanium-based orthopedic implants with enhanced antibacterial properties.

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Funding

This study was funded by the National Natural Science Foundation of China (Nos. 11872097, 11421202, and 11827803), Beijing Natural Science Foundation (No. L182017), Shenzhen Science and Technology Project (No. JCYJ20170817140537062), the Fundamental Research Funds for the Central Universities (No. YWF-19-BJ-J-234), the 111 Project (No. B13003), and the International Joint Research Center of Aerospace Biotechnology and Medical Engineering, Ministry of Science and Technology of China.

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Correspondence to Xufeng Niu or Jiangxue Wang.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Niu, X., Sun, L., Zhang, X. et al. Fabrication and antibacterial properties of cefuroxime-loaded TiO2 nanotubes. Appl Microbiol Biotechnol 104, 2947–2955 (2020). https://doi.org/10.1007/s00253-020-10446-w

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  • DOI: https://doi.org/10.1007/s00253-020-10446-w

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