Enzyme sensor

Details Enzyme sensor Enzyme sensor

1987-06-24

1990-05-22

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

20415312, 435288, 435291, 435817, G01N 2730

Patent

active

049275160

ABSTRACT:
Disclosed is an enzyme sensor for measuring a predetermined substrate concentration by potentiometric or amperometric response on the basis of an enzyme. In one aspect, a solid-state enzyme sensor measures a predetermined substrate concentration by potentiometric response and includes a solid enzyme membrane-coated electrically conductive base, redox layer or ion-sensitive layer. In another aspect, a solid-state enzyme sensor measures a predetermined substrate concentration by amperometric response and includes a solid enzyme membrane-coated oxygen reduction catalyst layer. Also disclosed is an enzyme control layer for controlling the outflow and inflow of the enzyme layer.

REFERENCES:
patent: 4340448 (1982-07-01), Schiller et al.
patent: 4376689 (1983-03-01), Nakamura et al.
patent: 4655880 (1987-04-01), Liu
patent: 4671288 (1987-06-01), Gough
patent: 4680268 (1987-07-01), Clark
patent: 4704193 (1987-11-01), Bowers et al.

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