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NAD(P)-dependent responsive enzymes, electrodes and sensors, and methods for making and using the same

Grant US12577603B2 Kind: B2 Mar 17, 2026

Assignee

ABBOTT DIABETES CARE INC.

Inventors

Tianmei Ouyang, Benjamin J. Feldman

Abstract

NADP-dependent oxidoreductase compositions, and electrodes, sensors and systems that include the same. Analyte sensors include an electrode having a sensing layer disposed thereon, the sensing layer comprising a polymer and an enzyme composition distributed therein. The enzyme composition includes nicotinamide adenine dinucleotide phosphate (NAD(P)+) or derivative thereof; an NAD(P)+-dependent dehydrogenase; an NAD(P)H oxidoreductase; and an electron transfer agent comprising a transition metal complex.

CPC Classifications

A61B 5/14865 A61B 5/15 A61B 5/14532 A61B 5/05 A61B 5/1486 C12Q 1/001 C12Q 1/004 C12Q 1/005 C12Q 1/006 C12Q 1/26 G01N 27/48 G01N 27/26 G01N 27/327 G01N 27/10 G01N 27/06 G01N 27/27 G01N 33/5735 G01N 33/66 C12N 11/082

Filing Date

2022-08-08

Application No.

17818143

Claims

37