1991
DOI: 10.1021/ja00004a048
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Electron transfer between glucose oxidase and electrodes via redox mediators bound with flexible chains to the enzyme surface

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Cited by 357 publications
(154 citation statements)
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“…The electrical contacting of redox proteins with electrodes attracted substantial research efforts directed to the development of amperometric biosensors [26][27][28][29] or biofuel cell elements [30][31][32][33][34][35] . Different methods to integrate redox proteins with electrodes in electrically contacted configurations were developed, including the modification of the proteins with relay units 36,37 , the reconstitution of the proteins on relay-cofactor units [38][39][40] and the immobilization of the proteins in redox-active polymer matrices 41 . Related principles were implemented to electrically wire PSII with electrode surfaces.…”
mentioning
confidence: 99%
“…The electrical contacting of redox proteins with electrodes attracted substantial research efforts directed to the development of amperometric biosensors [26][27][28][29] or biofuel cell elements [30][31][32][33][34][35] . Different methods to integrate redox proteins with electrodes in electrically contacted configurations were developed, including the modification of the proteins with relay units 36,37 , the reconstitution of the proteins on relay-cofactor units [38][39][40] and the immobilization of the proteins in redox-active polymer matrices 41 . Related principles were implemented to electrically wire PSII with electrode surfaces.…”
mentioning
confidence: 99%
“…Substituted ferrocenes have been attached via flexible spacers of various lengths to glucose oxidase [12,13] ,and the attached mediator species is believed to act as electronic 'stepping stones', allowing electrons to be transferred from the flavin site to the electrode in several short steps , instead of one large step. It has been shown [12] that the length of the spacer chain is of considerable importance in determining the efficiency of electronic communication between relay site and redox site and between the relay site and the detector electrode surface. Communication is effective when the chains are long (> 10 bonds) but not when the chains are short (< 5 bonds).…”
Section: Introductionmentioning
confidence: 99%
“…No mecanismo de TME uma espécie redox ativa esta presente na superfície dos eletrodos 19,20 A observação desses dois tipos de mecanismos envolve a metodologia utilizada na imobilização da enzimas e tem sido destacados como um dos fatores de extrema importância no desempenho de BCs enzimáticas 21,22 as melhores estratégias em imobilização para aplicação em bioeletrônica, como o controle de grupos funcionais em superfícies sólidas.…”
Section: Mecanismos De Transferência De Elétronsunclassified