Solid state bio-sensor

Details Solid state bio-sensor Solid state bio-sensor

1989-04-18

1992-12-15

Lacey, David L.

Chemistry: molecular biology and microbiology

Apparatus

Bioreactor

435288, 435817, 204403, 128635, C12M 138, G01N 2726

Patent

active

051716895

ABSTRACT:
As the conventional simple bio-sensors for measuring the particular component in living bodies, there are those in which a change in dye caused by enzyme reaction is detected optically, but such bio-sensors had a problem that precision is low owing to disturbance of the color of liquid samples. With bio-sensors using an enzyme electrode, the precision was high, but operation of measurement was troublesome. The present invention made it possible to detect the concentration of the particular component electromechanically with rapidity, simplicity and high precision by merely putting a porous substrate containing at least enzyme on the electrode system and impregnating the body with a liquid sample.

REFERENCES:
patent: 3791988 (1974-02-01), Josef et al.
patent: 4024042 (1977-05-01), Enfors et al.
patent: 4224125 (1980-09-01), Nakamura et al.
patent: 4240438 (1980-12-01), Updike et al.
patent: 4388166 (1983-06-01), Suzuki et al.
patent: 4431004 (1984-02-01), Bessman et al.
patent: 4450842 (1984-05-01), Zick et al.
patent: 4458686 (1984-07-01), Clark
patent: 4467811 (1984-08-01), Clark
Webster, Medical Instrumentation, Houghton Mifflin Co. (1978), see p. 540 FIG. 10.13.

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