Heterocyclic nitrogen containing polymer coated analyte monitoring device and methods of use
First Claim
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1. A method of monitoring a level of an analyte, comprising:
- positioning at least a portion of an analyte sensor into skin of a subject, wherein the analyte sensor comprises;
a working electrode comprising;
a sensing layer in contact with the working electrode;
a diffusion limiting membrane layer disposed over the sensing layer, wherein the diffusion limiting membrane layer comprises a crosslinker and a polymer having the formula;
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Abstract
The present invention is directed to membranes composed of heterocyclic nitrogen groups, such as vinylpyridine and to electrochemical sensors equipped with such membranes. The membranes are useful in limiting the diffusion of an analyte to a working electrode in an electrochemical sensor so that the sensor does not saturate and/or remains linearly responsive over a large range of analyte concentrations. Electrochemical sensors equipped with membranes described herein demonstrate considerable sensitivity and stability, and a large signal-to-noise ratio, in a variety of conditions.
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17 Claims
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1. A method of monitoring a level of an analyte, comprising:
positioning at least a portion of an analyte sensor into skin of a subject, wherein the analyte sensor comprises; a working electrode comprising; a sensing layer in contact with the working electrode; a diffusion limiting membrane layer disposed over the sensing layer, wherein the diffusion limiting membrane layer comprises a crosslinker and a polymer having the formula; - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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