Enzyme electrode sensor and manufacturing method thereof
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United States of America Patent
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-
Jul 2, 2002
Grant Date -
N/A
app pub date -
Feb 4, 2000
filing date -
Dec 27, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An enzyme electrode sensor and a fabricating method thereof, and more particularly, an enzyme electrode sensor which is a biosensor using electrochemical measurement and a manufacturing method thereof. The sensor includes an electrode, a first nonconducting polymer layer formed by electropolymerization outside the electrode wherein enzyme is immobilized in the nonconducting polymer layer, a second nonconducting polymer layer in which enzyme is not immobilized, the second nonconducting layer formed by electropolymerization outside the first nonconducting polymer layer, and an outer layer formed outside the second nonconducting layer. The sensor selectivity is improved as the interference of organic materials is inhibited, and the interference of acetaminophen causing the major problem with a glucose sensor is controlled effectively by the sensor.
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