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Photocatalytic Cancer (HeLa) Cell-Killing Enhanced with Cu–TiO2 Nanocomposite

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Abstract

The metallic Cu nanoparticles have been successfully deposited on the heterogeneous TiO2 surface by the borohydride reduction of copper nitrate in water/CH3CN mixture under Ar atmosphere. The catalytic activity of the Cu–TiO2 nanocomposite was evaluated by the application to a photocatalytic cancer cell-killing under UV–visible light irradiation. Based on the obtained results, a plausible mechanism was proposed.

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Acknowledgements

The present work was partly supported by Grant-in-Aid for Scientific Research (B) (19360367) from Japan Society for the Promotion of Science (JSPS). The authors wish to thank Prof. Junichi Kurawaki for his informative discussions.

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Authors and Affiliations

  1. Department of Chemistry and Bioscience, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima, 890-0065, Japan

    Md. Abdulla-Al-Mamun, Yoshihumi Kusumoto, Bashir Ahmmad & Md. Shariful Islam

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  1. Md. Abdulla-Al-Mamun
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  2. Yoshihumi Kusumoto
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  3. Bashir Ahmmad
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  4. Md. Shariful Islam
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Correspondence to Yoshihumi Kusumoto.

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Abdulla-Al-Mamun, M., Kusumoto, Y., Ahmmad, B. et al. Photocatalytic Cancer (HeLa) Cell-Killing Enhanced with Cu–TiO2 Nanocomposite. Top Catal 53, 571–577 (2010). https://doi.org/10.1007/s11244-010-9489-5

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  • DOI: https://doi.org/10.1007/s11244-010-9489-5

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