Amperometric process for quantitatively determining 1,4- dihydronicotinamide adenine dinucleotide (NADH) in solution, and an enzyme electrode for use when implementing the process

A method is disclosed for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (NADH) in solution. The method comprises contacting the NADH-containing solution with an activated carbon electrode, maintaining the carbon electrode at a controlled, fixed potential effective to...

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Bibliographische Detailangaben
Hauptverfasser:	STIRLING, JOHN LAING, DELANEY, GERARD MICHAEL, DEKEYZER, DAVID ROBERT, BENNETTO, HUGH PETER, MULLEN, WILLIAM HENRY, MASON, JEREMY RICHARD, THURSTON, CHRISTOPHER FRANK
Format:	Patent
Sprache:	dan ; eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	A method is disclosed for the quantitative determination of 1,4-dihydronicotinamide adenine dinucleotide (NADH) in solution. The method comprises contacting the NADH-containing solution with an activated carbon electrode, maintaining the carbon electrode at a controlled, fixed potential effective to cause oxidation of NADH at the electrode surface, and measuring the current output from the carbon electrode, wherein there is used an activated carbon electrode comprising a porous, heterogeneous, resin-bonded layer of activated carbon or graphite particles bonded together with a natural or synthetic resin binder, preferably polytetrafluoroethylene.