Reduction of Bacterial Adhesion on Ag-TiO2 Coatings

Chen Liu, Lei Geng, YiFan Yu, Yutong Zhang, Buyun Zhao, Shuai Zhang, Qi Zhao (Lead / Corresponding author)

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    9 Citations (Scopus)
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    Abstract

    Ag-TiO2 nano-composite coatings showed the synergistic effect on the anti-bacterial activity. However, little was known on the mechanism of the enhanced anti-bacterial effect. In this paper, a range of Ag-TiO2 nano-composited coating with different TiO2 contents were prepared on titanium substrate using an electroless deposition technique and the antibacterial performance of the coatings were evaluated with E.coli and S.aureus. This work demonstrated for the first time that the incorporation of TiO2 nano-particles into Ag matrix not only significantly promoted the Ag ion release, but also significantly increased the electron donor surface energy, which lead to the enhanced antibacterial effect of the Ag-TiO2 coatings.
    Original languageEnglish
    Pages (from-to)334-336
    Number of pages3
    JournalMaterials Letters
    Volume218
    Early online date12 Feb 2018
    DOIs
    Publication statusPublished - 1 May 2018

    Keywords

    • Adhesion
    • biomaterials
    • Ag-Ti02 coatings
    • nanocomposites
    • surface energy

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