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Gewählte Publikation:

MacAodha, D; Conghaile, PO; Egan, B; Kavanagh, P; Sygmund, C; Ludwig, R; Leech, D.
(2013): Comparison of Glucose Oxidation by Crosslinked Redox Polymer Enzyme Electrodes Containing Carbon Nanotubes and a Range of Glucose Oxidising Enzymes
ELECTROANAL. 2013; 25(1): 94-100. FullText FullText_BOKU

Abstract:
The sugar oxidising enzymes glucose oxidase, glucose dehydrogenases (GDH) and cellobiose dehydrogenases (CDH) were co-immobilised, in the presence of multiwalled carbon nanotubes, with osmium redox polymers. Under pseudo-physiological conditions of 5 mM glucose, 150 mM NaCl, 37?degrees C, glucose oxidation current densities above 800 mu A?cm-2 are obtained from films containing an [Os(4,4xxx-dimethyl-2,2xxx-bipyridine)2(poly-vinylimidazole)10Cl]+ redox polymer, redox potential 0.1 V vs. Ag/AgCl, and either glucose oxidase or FAD-dependant GDH. Current produced by, and stability of, glucose-oxidising half-cells is compared in 100 mM glucose, with films containing CDHs proving most stable. Such results show promise for development of glucose-oxidising enzymatic fuel cells.
Autor/innen der BOKU Wien:
Ludwig Roland
Sygmund Christoph
BOKU Gendermonitor:


Find related publications in this database (Keywords)
Enzymes
Fuel cells
Glucose oxidation
Multiwalled carbon nanotubes
Osmium redox polymer


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