Immobilization of bilirubin oxidase on graphene oxide flakes with different negative charge density for oxygen reduction. The effect of GO charge density on enzyme coverage, electron transfer rate and current density
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- 作者：Jaroslav Filipa ; Anita Andicsová ; -Ecksteinb ; Alica Vikartovská ; c ; Jan Tkacc ; Jan.Tkac@savba.sk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Bilirubin oxidase ; Biocathode ; Direct bioelectrocatalysis ; Graphene oxide ; Oxygen reduction
- 刊名：Biosensors and Bioelectronics
- 出版年：2017
- 出版时间：15 March 2017
- 年：2017
- 卷：89
- 期：part_P1
- 页码：384-389
- 全文大小：272 K
文摘
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Facile preparation of GO flakes differing in a negative charge density using only centrifugation.
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A simple way to express density of a negative surface charge was introduced.
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Dependence of biocathode's parameters on density of a negative surface charge is shown.
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It is important to control density of a negative surface charge for effective oxygen reduction.
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