Enzyme electrode unit

Details Enzyme electrode unit Enzyme electrode unit

1989-09-14

1990-05-08

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

435291, 435817, C12M 134

Patent

active

049235869

ABSTRACT:
An enzyme electrode unit having, on the surfaces of the base electrodes thereof, an enzyme-immobilized membrane for oxidizing or reducing a target substance to be measured, and a diffusion-limiting membrane unit of a two-layer structure disposed on the surface of the enzyme-immobilized membrane, only the diffusion-limiting membrane having a lower target substance diffusion limiting effect being replaceable, thus maintaining substantially constant the general target substance diffusion limiting effect of the diffusion-limiting membrane unit, even after the replaceable diffusion-limiting membrane has been replaced.

REFERENCES:
patent: 4073713 (1978-02-01), Newman
patent: 4388166 (1983-06-01), Suzuki et al.
patent: 4404066 (1983-09-01), Johnson

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