Enzyme electrodes
First Claim
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1. An enzyme electrode including a carrier, said carrier comprising:
- (a) a storage layer impregnated with a substance capable of functioning as an electron transfer mediator;
(b) an enzyme-immobilized layer, positioned adjacent to said storage layer, containing an immobilized enzyme;
(c) a thin film coating said enzyme-immobilized layer permeable to a substrate for said enzyme; and
(d) an internal electrode capable of applying voltage to said enzyme-immobilized layer.
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Abstract
An enzyme electrode composed of a carrier, an enzyme immobilized on a parr of the surface of the carrier, a coating film consisting of a thin film coating the portion where the enzyme is immobilized and being permeable for the substrate for the enzyme and an internal electrode capable of applying voltage to the surface where the enzyme is immobilized, said carrier being impregnated with a substance which acts as an electron transfer mediator, which is useful for measurement of concentration of the substrate in vital samples such as blood serum, blood plasma, urine etc.
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Citations
13 Claims
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1. An enzyme electrode including a carrier, said carrier comprising:
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(a) a storage layer impregnated with a substance capable of functioning as an electron transfer mediator; (b) an enzyme-immobilized layer, positioned adjacent to said storage layer, containing an immobilized enzyme; (c) a thin film coating said enzyme-immobilized layer permeable to a substrate for said enzyme; and (d) an internal electrode capable of applying voltage to said enzyme-immobilized layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification