Reagentless H2O2 Biosensor with High Electron Transfer Efficiency Carrying Nanocomplex of Horseradish Peroxidase and Au-Nanoparticle

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概要

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• A novel electrochemical biosensor for hydrogen peroxide with high electron transfer efficiency was developed using a nanocomplex composed of horseradish peroxidase and Au-nanoparticle. The nanocomplex was prepared through adsorption of horseradish peroxidase on an Au-nanoparticle. The nanocomplexes were easily coagulated and immobilized on an ITO electrode as a monolayer film by simply casting the nanocomplex dispersion and drying below 10°C. The electrode worked as a hydrogen peroxide biosensor featuring high electron transfer efficiency without any soluble mediator at a mild electrode potential of +0.15 V vs. Ag/AgCl.

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著者

• SAKAI Yoshinori

  Graduate School of Advanced Integration Science, Chiba University

• OKAWA Yusuke

  Graduate School of Advanced Integration Science, Chiba University

• SHIBA Fumiyuki

  Graduate School of Advanced Integration Science, Chiba University

関連論文

• Reagentless H2O2 Biosensor with High Electron Transfer Efficiency Carrying Nanocomplex of Horseradish Peroxidase and Au-Nanoparticle

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