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Electrochemical Immobilisation of Glucose Oxidase for the Controlled Production of H2O2 in a Biocatalytic Flow Reactor

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journal contribution
posted on 2022-11-16, 09:09 authored by Simin Arshi, Xinxin Xiao, Serguei Belochapkine, EDMOND MAGNEREDMOND MAGNER


Electrochemical methods can be used to selectively modify the surfaces of electrodes, enabling the immobilisation of enzymes on defined areas on the surfaces of electrodes. Such selective immobilisation methods can be used to pattern catalysts on surfaces in a controlled manner. Using this approach, the selective patterning of the enzyme glucose oxidase on the electrodes was used to develop a flow reactor for the controlled delivery of the oxidant H2O2. GOx was immobilised on a glassy carbon electrode using polypyrrole, silica films, and diazonium linkers. The rate of production of H2O2 and the stability of the response was dependent on the immobilisation method. 


Synthesis and Solid State Pharmaceutical Centre (SSPC)

Science Foundation Ireland

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ChemElectroChem 9, e202200319



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