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THE USE OF REDOX MEDIATORS FOR AMPEROMETRIC BIOSENSORS
Gründig, B. Strehlitz, B. Krabisch, C. Thielemann, H. Kotte, H. Gomoll, M. Kopinke, H. Pitzler, R.
Gründig, B.
Strehlitz, B.
Krabisch, C.
Thielemann, H.
Kotte, H.
Gomoll, M.
Kopinke, H.
Pitzler, R.
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Issue Date
1992
Submitted date
2024-04-30
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Abstract
The paper describes redox mediators enabling an efficient electron transfer between biological redox systems and the electrode surface in amperometric biosensors. Criteria for the selection of appropriate mediators are discussed. Different technological aspects of anchoring the mediator by a simple physical entrapment into the electrode material of both conventional electrodes and screen-printed forms are illustrated. Investigations are performed with tetrathiafulvalene and several quinoid redox-dye derivatives serving as redox couples for glucose oxidase, lactate oxidase, peroxidase, "phenol oxidase", bacteria, NADH, and cytochrome c. Characteristics of several enzyme electrodes are presented.
Citation
Biosensors : fundamentals, technologies and applications, 275 - 285
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Type
Book chapter
conference paper
conference paper
Language
en
Description
Series/Report no.
GBF monographs ; Volume 17
ISSN
0930-4320
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ISBN
1560812206
3527284370
3527284370
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Attribution-NonCommercial-ShareAlike 4.0 International