Enzyme sensor
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United States of America Patent
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May 22, 1990
Grant Date -
N/A
app pub date -
Jun 24, 1987
filing date -
Jun 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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