Catalytic activity of yeast extract in biofuel cell(BIOCHEMICAL ENGINEERING)

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概要

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• It was revealed that the dry powder yeast extract (YE) has the ability to act as a biocatalyst as well as a mediator in a biofuel cell. The yeast extract, from Nihon Pharmaceutical Co., Ltd., was used as a biocatalyst in an open air cathode biofuel cell containing phosphate buffer for glucose oxidation. The anode medium with only the YE showed an immediate activity by producing a current and delivering power depending on its concentration. By adding glucose to the anode medium, the anode potential decreased with time to -0.2 V vs. normal hydrogen electrode (NHE), and produced a higher power compared to that without glucose. The biofuel cell produced an open circuit voltage (OCV) as high as 1 V.

著者

• Nakagawa Nobuyoshi

  Department Of Biological And Chemical Engineering Gunma University

• Saito Yuka

  Department of Chemical and Environmental Engineering, Graduate School of Engineering, Gunma University

• Sayed Enas

  Department of Chemical and Environmental Engineering, Graduate School of Engineering, Gunma University

• Tsujiguchi Takuya

  Department of Chemical and Environmental Engineering, Graduate School of Engineering, Gunma University

• Nakagawa Nobuyoshi

  Department of Chemical and Environmental Engineering, Graduate School of Engineering, Gunma University

• Nakagawa Nobuyoshi

  Department of Biological & Chemical Engineering, Gunma University

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