Voltage applying method for hydrogen-type enzyme electrode

Details Voltage applying method for hydrogen-type enzyme electrode Voltage applying method for hydrogen-type enzyme electrode

1995-06-06

1996-09-17

Bell, Bruce F.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

Involving enzyme or micro-organism

204403, 204412, 435817, G01N 2726

Patent

active

055565336

ABSTRACT:
A voltage applying method for a hydrogen type enzyme electrode in a chemical sensor and using a pair of working electrodes, a reference electrode and a counter electrode includes detecting a contact of a test specimen with the enzyme electrode; keeping a potential applied to the working electrodes at a first potential of substantially zero for a first preset time; applying a second potential that is higher than a hydrogen peroxide detect potential to the working electrodes for a second preset time; dropping the second potential to a third potential below zero potential; and sweeping from the first potential to a fourth potential higher than said hydrogen peroxide detect potential at a fixed rate. Other variations of the method are disclosed.

REFERENCES:
patent: 4528270 (1985-07-01), Matsunaga
patent: 4935105 (1990-06-01), Churchouse
patent: 5407545 (1995-04-01), Hirose
patent: 5409583 (1995-04-01), Yoshioka et al.
patent: 5411647 (1995-05-01), Johnson et al.
patent: 5496452 (1996-03-01), Hill et al.

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