Enzyme electrode and a method of determining concentration of an

Details Enzyme electrode and a method of determining concentration of an Enzyme electrode and a method of determining concentration of an

1991-02-27

1992-06-02

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204415, 20415312, 435288, 435174, 435817, 435 14, G01N 2726

Patent

active

051184044

ABSTRACT:
An enzyme electrode usable for determining high concentration of analyte in a sample solution is provided, by providing an enzyme-immobilized membrane in the electrode with pH buffer capacity. Durability of the electrode can be improved by using albumin crosslinked by glutaraldehyde as a permeation-restricted membrane in the electrode. Method of using the electrode can be simplified by introducing a stirring step, measuring outputs before and after the stirring step and utilizing difference of measured outputs.

REFERENCES:
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patent: 4552840 (1985-11-01), Riffer
patent: 4655880 (1987-04-01), Liu
patent: 4832797 (1989-05-01), Vadgama et al.
patent: 4839000 (1989-06-01), Eddowes
patent: 4890620 (1990-01-01), Gough
patent: 4900423 (1990-02-01), Iida et al.

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