Enzyme electrode sensor and manufacturing method thereof
First Claim
1. An enzyme electrode sensor, comprising:
- an electrode;
a first electropolymerized nonconducting polymer layer formed outside the electrode;
a second electropolymerized nonconducting polymer layer formed outside the first electropolymerized nonconducting polymer layer;
an outer layer formed outside the second electropolymerized nonconducting polymer layer; and
enzyme fixed to the first electropolymerized nonconducting polymer layer, and no enzyme fixed to the second electropolymerized nonconducting polymer layer.
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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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Citations
6 Claims
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1. An enzyme electrode sensor, comprising:
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an electrode;
a first electropolymerized nonconducting polymer layer formed outside the electrode;
a second electropolymerized nonconducting polymer layer formed outside the first electropolymerized nonconducting polymer layer;
an outer layer formed outside the second electropolymerized nonconducting polymer layer; and
enzyme fixed to the first electropolymerized nonconducting polymer layer, and no enzyme fixed to the second electropolymerized nonconducting polymer layer. - View Dependent Claims (2, 3, 4, 5)
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6. An enzyme electrode sensor, comprising:
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an electrode;
a first nonconducting polymer layer formed by electrochemical polymerization outside the electrode wherein an enzyme is fixed to the nonconducting polymer layer;
a second nonconducting polymer layer to which the enzyme is not fixed, the second nonconducting layer formed by electrochemical polymerization outside the first nonconducting polymer layer; and
an outer layer formed outside the second nonconducting layer, the nonconducting polymer layers comprising one of either poly(phenylenediamine), poly(aminohydroxybenzene), poly(dihydroxybenzene), poly(diamononaphthalene), and poly(aminohydroxynaphthalene), and poly(dihydroxynaphthalene).
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Specification