478—Theory of Brdička current and the dependence of the current on cobalt ion concentration |
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Authors: | Mitsugi Senda Tokuji Ikeda Kenji Kano Ichiro Tokimitsu |
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Affiliation: | Department of Agricultural Chemistry, Faculty of Agriculture, Kyoto University, Kyoto 606 Japan |
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Abstract: | An equation of Brdi?ka current and its experimental verification are presented, in which Brdi?ka current is expressed by a function of the surface concentration of protein, the bulk concentration of cobalt ion and two parameters, nckc and kf/kd, characterizing the protein-zero-valent cobalt complex which is to catalize the hydrogen evolution, where nc is the total number of sites on which the complex can be formed in a protein molecule, and kc and kd are the (average) constants representing the intrinsic catalytic activity and the lifetime respectively, of the complex. |
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