REDOX POLYMER BASED REFERENCE ELECTRODES HAVING AN EXTENDED LIFETIME FOR USE IN LONG TERM AMPEROMETRIC SENSORS
First Claim
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1. A reference electrode for use in an electrochemical sensor, comprising:
- a redox polymer membrane disposed over a substrate, wherein the redox polymer membrane comprises a crosslinker and a polymer having the formula;
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Abstract
The present application provides redox polymer based reference electrodes having an extended lifetime that are suitable for use in long term amperometric sensors. Electrochemical sensors equipped with reference electrodes described herein demonstrate considerable stability and extended lifetime in a variety of conditions.
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Citations
45 Claims
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1. A reference electrode for use in an electrochemical sensor, comprising:
a redox polymer membrane disposed over a substrate, wherein the redox polymer membrane comprises a crosslinker and a polymer having the formula; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electrochemical sensor, comprising:
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a working electrode comprising a sensing layer in contact with a conductive material of the electrode and a membrane disposed over the sensing layer; and a reference electrode comprising a redox polymer membrane disposed over a substrate, wherein the redox polymer membrane comprises a crosslinker and a polymer having the formula; - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. An analyte sensor assembly, comprising:
an electrochemical sensor comprising a flexible substrate comprising (i) at least one working electrode comprising a sensing layer and a membrane disposed over the sensing layer, (ii) at least one reference electrode comprising a redox polymer membrane disposed over a substrate, wherein the redox polymer membrane comprises a crosslinker and a polymer having the formula; - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
Specification