Revisiting direct electron transfer in nanostructured carbon laccase oxygen cathodes
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- 作者：Catherine AdamAuthor Vitae ; Pablo Scodeller1Author Vitae ; Matteo Grattieri2Author Vitae ; Matí ; as Villalba3Author Vitae ; Ernesto J. CalvoAuthor Vitae
- 关键词：Laccase ; Oxygen reduction reaction (ORR) ; Nanostructured carbon ; Catalysis ; Inhibition
- 刊名：Bioelectrochemistry
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：109
- 期：Complete
- 页码：101-107
- 全文大小：1131 K
文摘
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We revisited DET from graphite to Trametes trogii laccase varying pO2 and potential.
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A small fraction of adsorbed enzyme molecules contribute to bioelectrocatalysis.
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At high overpotential enzyme kinetics limits the O2 reduction biocatalytic current.
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There is uncompetitive enzyme inhibition by H2O2.