Electrochemical sensor

Details Electrochemical sensor Electrochemical sensor

1995-09-27

1997-05-13

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204415, 204418, 435 4, 435817, 4352871, 4352879, G01N 2726

Patent

active

056288905

ABSTRACT:
An electrode strip for use in an electrochemical sensor for measuring a compound in a sample is provided, including an electrode support, a reference or counter electrode disposed on the support, a working electrode spaced from the reference or counter electrode on the support, a covering layer defining an enclosed space over the reference and working electrodes and having an aperture for receiving a sample into the enclosed space, and a plurality of mesh layers interposed in the enclosed space between the covering layer and the support, the covering layer having a sample application aperture spaced from said electrodes and said reference electrode spaced from said working electrode at a position remote from and on the opposite side of said working electrode from said aperture. The working electrode includes an enzyme capable of catalyzing a reaction involving a substrate for the enzyme or a substrate catalytically reactive with an enzyme and a mediator capable of transferring electrons transferred between the enzyme-catalyzed reaction and the working electrode to create a current representative of the activity of the enzyme and representative of the compound.

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Polymeric Materials Science and Engineering American Chem. Society, 61:683-689, 1989, Miami Beach, Florida no month available.

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