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A novel nanohybrid of daunomycin and single-walled carbon nanotubes: photophysical properties and enhanced electrochemical activity

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Abstract

A nanohybrid adduct of the widely used, functional dye, daunomycin (DM), with single-walled carbon nanotubes (SWNTs) was prepared. Ultraviolet-visible-near infrared and fluorescence spectroscopy and electrochemistry of DM-functionalized SWNTs reveal that DM interacts with SWNTs through strong π–π stacking and there is a significant photo-induced charge-transfer interaction between the two components. Importantly, the novel adduct modified the glassy carbon (GC) electrode to give a much enhanced electrochemical activity than those of DM adsorbed onto not only the bare GC electrode but also the SWNTs-modified GC electrode.

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Acknowledgements

This work was supported by the Science Research Project (Grant No. LSZQ200601) of Langfang Teachers College and NSF Funding of Tianjin City (07JCYBJC01700).

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Authors and Affiliations

  1. School of Chemistry & Material Science, Langfang Teachers College, Langfang, Hebei, China

    Yanhong Lu

  2. Center for Nanoscale Science and Technology and Key Laboratory for Functional Polymer Materials, Institute of Polymer Chemistry, Nankai University, Tianjin, China

    Yanhong Lu, Yanfeng Ma, Yi Huang & Yongsheng Chen

  3. School of Pharmaceutical Sciences, Tianjin Medical University, Tianjin, China

    Xiaoying Yang

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  1. Yanhong Lu
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  2. Xiaoying Yang
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  3. Yanfeng Ma
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  4. Yi Huang
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  5. Yongsheng Chen
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Correspondence to Yongsheng Chen.

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Lu, Y., Yang, X., Ma, Y. et al. A novel nanohybrid of daunomycin and single-walled carbon nanotubes: photophysical properties and enhanced electrochemical activity. Biotechnol Lett 30, 1031–1035 (2008). https://doi.org/10.1007/s10529-008-9641-5

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  • DOI: https://doi.org/10.1007/s10529-008-9641-5

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