Electrochemical Detection of Serotonin Using Conductive Diamond Electrodes

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  • Bulusu V Sarada
    Department of Applied Chemistry, School of Engineering, The University of Tokyo7-3-1 Hongo, Bunkyo-ku, Tokyo
  • Tata N Rao
    Department of Applied Chemistry, School of Engineering, The University of Tokyo7-3-1 Hongo, Bunkyo-ku, Tokyo
  • Donald A Tryk
    Department of Applied Chemistry, School of Engineering, The University of Tokyo7-3-1 Hongo, Bunkyo-ku, Tokyo
  • Akira Fujishima
    Department of Applied Chemistry, School of Engineering, The University of Tokyo7-3-1 Hongo, Bunkyo-ku, Tokyo

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<jats:title>Abstract</jats:title> <jats:p>The electrochemical detection of serotonin with highly boron-doped diamond thin film electrodes was investigated by use of flow injection analysis (FIA) with amperometric detection. The voltammetric behavior of diamond indicated low background current and a low tendency to adsorb the oxidative products on the electrode surface, in comparison to the glassy carbon electrode. An experimental amperometric detection limit of 10 nM (0.2 pmol) was obtained for the FIA technique, demonstrating that diamond is a stable and sensitive electrode for serotonin determination.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 28 (11), 1213-1214, 1999-11-01

    Oxford University Press (OUP)

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