Electrochemical Characterization of the Polyaniline-based Oxidase-peroxidase Electrode and Application to the Enzyme Switch

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  • IRIBE Yasunori
    Department of Biochemical Engineering and Science, Kyushu Institute of Technology
  • SUZUKI Masayasu
    Department of Electric and Electronic Engineering, Toyama University

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抄録

<p>The electrochemical properties of oxidase-peroxidase co-immobilized electrode fabricated electrochemically deposited polyaniline (PAn) were investigated. It found that electro-conductivity of a PAn film was necessary for the oxidase HRP to show its function. Based on this result, the enzyme switch utilizing the oxidase-HRP system was developed by utilizing electro-conductivity changes of a PAn film. It was found that a PAn film lost its electro-conductivity by the oxidase-HRP reactions, and the oxidized PAn film obtained electro-conductivity again by applying + 100 mV vs. Ag/AgCl to a PAn film.</p>

収録刊行物

  • Electrochemistry

    Electrochemistry 69 (12), 984-986, 2001-12-05

    公益社団法人　電気化学会

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