IP Library Granted Patent US 11,091,788
Granted Patent B2
US 11,091,788 · App. 16/081,162 · Granted Aug 17, 2021

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

Inventors: Tianmei Ouyang (Fremont, CA); Benjamin J. Feldman (Berkeley, CA)
Assignee: Abbott Diabetes Care Inc.
C12Q1/001C12N11/08C12Q1/004C12Q1/005C12Q1/006C12Q1/26G01N27/3275G01N33/5735G01N33/66C12Y106/05002G01N27/27
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Quick Facts
Patent No.
US 11,091,788
App. No.
16/081,162
Granted
Aug 17, 2021
Kind
B2
Abstract

Embodiments of the present disclosure relate to NADP-dependent oxidoreductase compositions, and electrodes, sensors and systems that include the same. Also provided are methods for making the compositions and for detecting and/or measuring analytes with NADP-dependent oxidoreductase compositions.

Claims (42)

1. An enzyme composition comprising:

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,

wherein the nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof, the NAD(P) + -dependent dehydrogenase, the NAD(P)H oxidoreductase, and the electron transfer agent comprising the transition metal complex are distributed within a single polymer composition.

2. The enzyme composition according to claim 1 , wherein the composition comprises nicotinamide adenine dinucleotide phosphate (NAD(P) + ).

3. The enzyme composition according to claim 1 , wherein the composition comprises a derivative of nicotinamide adenine dinucleotide phosphate.

4. The enzyme composition according to claim 3 , wherein the derivative of nicotinamide adenine dinucleotide phosphate is a compound of Formula I:

wherein X is alkyl, substituted alkyl, aryl, substituted aryl, acyl, and aminoacyl.

5. The enzyme composition according to claim 4 , wherein the derivative of nicotinamide adenine dinucleotide phosphate is:

6. The enzyme composition according to claim 1 , wherein the NAD(P) + -dependent dehydrogenase is selected from the group consisting of glucose dehydrogenase, alcohol dehydrogenase, D-3-hydroxybutyrate dehydrogenase.

7. The enzyme composition according to claim 1 , wherein the NAD(P)H oxidoreductase is diaphorase.

8. The enzyme composition according to claim 1 , wherein electron transfer agent comprises an osmium-containing complex.

9. The enzyme composition according to claim 8 , wherein the osmium-containing complex comprises three heterocyclic nitrogen-containing bidentate ligands.

10. The enzyme composition according to claim 9 , wherein the osmium-containing complex comprises two biimidazole and one imidazole-pyridine bidentate ligands.

11. The enzyme composition according to claim 1 , wherein the polymer composition comprises a heterocycle-containing polymer and a crosslinker.

12. The enzyme composition according to claim 11 , wherein the heterocycle-containing polymer comprises polyvinylpyridine.

13. The enzyme composition according to claim 11 , wherein at least one of the nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof; the NAD(P) + -dependent dehydrogenase; the NAD(P)H oxidoreductase; and the electron transfer agent comprising the transition metal complex are immobilized by the heterocycle-containing polymer.

14. The enzyme composition according to claim 13 , wherein at least one of the nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof; NAD(P) + -dependent dehydrogenase; NAD(P)H oxidoreductase; and redox mediator comprising the transition metal complex are covalently bonded to the heterocycle-containing polymer.

15. The enzyme composition according to claim 14 , wherein the electron transfer agent comprising the transition metal complex is covalently bonded to the heterocycle-containing polymer.

16. The enzyme composition according to claim 1 , comprising:

nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof;

glucose dehydrogenase;

diaphorase; and

an osmium-containing electron transfer agent.

17. The enzyme composition according to claim 1 , comprising:

nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof;

alcohol dehydrogenase;

diaphorase; and

an osmium-containing electron transfer agent.

18. The enzyme composition according to claim 1 , comprising:

nicotinamide adenine dinucleotide phosphate (NAD(P) 30 ) or derivative thereof;

D-3-hydroxybutyrate dehydrogenase;

diaphorase; and

an osmium-containing electron transfer agent.

19. An enzyme composition comprising:

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,

wherein the nicotinamide adenine dinucleotide phosphate (NAD(P) + ) or derivative thereof, the NAD(P) + -dependent dehydrogenase, the NAD(P)H oxidoreductase, and the electron transfer agent comprising the transition metal complex are uniformly distributed within a single polymer composition.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 30, 2018
From: OUYANG, TIANMEI; FELDMAN, BENJAMIN J.
To: ABBOTT DIABETES CARE INC.
Reel/Frame 046753/0825 →
Continuity (2)
Provisional Application 62303626 · Mar 4, 2016
Related Publication 20190024130A1 · Jan 24, 2019
Cited By (17)
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