Enzyme sensor and method of manufacturing the same

Details Enzyme sensor and method of manufacturing the same Enzyme sensor and method of manufacturing the same

1990-03-02

1993-04-27

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204412, 20415312, G01N 2726

Patent

active

052059200

ABSTRACT:
An enzyme sensor is disclosed, which has a two-layer fixed film structure consisting of a reduction function layer including an electron movement medium and di-valent iron ions and an enzyme-fixed layer covering said reduction function layer, and in which hydrogen peroxide generated through decomposition of glucose or the like in the enzyme-fixed layer is reduced by electron movement medium and di-valent iron ions in the reduction function layer.
Thus, the construction of enzyme sensor is simplified, measurement is extremely facilitated, and the measurement time is reduced.
As a different principle of enzyme sensor, an electrically conductive substrate of conductive carbon or the like is covered with an oxygen-reducing catalytic function layer and enzyme layer.
Thus, there is no problem of contamination of enzyme sensor, and it is possible to readily manufacture and miniaturize enzyme sensors.

REFERENCES:
patent: 4711245 (1989-12-01), Higgins et al.
patent: 4830959 (1989-05-01), McNeil et al.
patent: 4836904 (1989-06-01), Armstrong et al.
patent: 4897173 (1990-01-01), Nankai et al.
patent: 4927516 (1990-05-01), Yamaguchi et al.

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