Magnetical disturbance of immobilized-enzyme-activity on a platinum-black electrode

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  • 白金黒表面における固定化酵素活性の磁場による抑制効果
  • ハッキン コク ヒョウメン ニ オケル コテイカ コウソ カッセイ ノ ジバ ニ ヨル ヨクセイ コウカ

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Abstract

Magnetical effect to enzyme activity of immobilized catalase or peroxidase was examined by an electrochemical method. In buffer solution contained 10mM H202, oxidation current on an enzyme-immobilized-electrode (φ=0.1mm platinum-black electrode) was monitored under static strong magnetic fields. We observed increase of current with catalase-immobilized-electrode under 8 T. It means that immobilized-catalase-activity was disturbed magnetically. On the other hand, magnetical disturbance of immobilized-peroxidase-activity was extremely small under 14 T. From these results, we conclude that a catalase differs from a peroxidase in magnetical disturbance of immobilized-enzyme-activity.

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