Biosensor membranes
First Claim
Patent Images
1. A sensor comprising:
- a first electrode;
an analyte responsive enzyme later disposed over at least a portion of the first electrode; and
a membrane disposed on at least the analyte responsive enzyme layer, comprising a poly(4-vinylpyridine-co-styrene) polymer and a poly(ethylene glycol)-containing constituent.
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Abstract
Novel membranes comprising various polymers containing heterocyclic nitrogen groups are described. These membranes are usefully employed in electrochemical sensors, such as amperometric biosensors. More particularly, these membranes effectively regulate a flux of analyte to a measurement electrode in an electrochemical sensor, thereby improving the functioning of the electrochemical sensor over a significant range of analyte concentrations. Electrochemical sensors equipped with such membranes are also described.
57 Citations
24 Claims
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1. A sensor comprising:
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a first electrode; an analyte responsive enzyme later disposed over at least a portion of the first electrode; and a membrane disposed on at least the analyte responsive enzyme layer, comprising a poly(4-vinylpyridine-co-styrene) polymer and a poly(ethylene glycol)-containing constituent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification