Patent EP0124909A2 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0124909A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for determining reduced form coenzymes

Assignee: Fujifilm Wako Pure Chemical Corp
•
Filing: 1984-05-09
•
Granted: —
•
Expires: 2004-05-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A reduced form coenzyme can be determined by acting a peroxidase on a reduced form coenzyme in the presence of metal ions to generate hydrogen peroxide and measuring the amount of hydrogen peroxide colorimetrically.

Inventors

  • 👤 Kazuhiko Yamanishi
  • 👤 Toshiro Hanada

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 17:09
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/26; C12Q1/28; C12Q1/008; C12Q1/60

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 36 words
A process for determining a reduced form coenzyme which comprises acting a peroxidase on a reduced form coenzyme in the presence of metal ions to generate hydrogen peroxide, and measuring the amount of hydrogen eproxide colorimetrically.
Claim 2
Dependent Claim 36 words
A process for determining a reduced form coenzyme which comprises acting a peroxidase on a reduced form coenzyme in the presence of metal ions to generate hydrogen peroxide, and measuring the amount of hydrogen eproxide colorimetrically.
Claim 3
Dependent Claim 23 words
A process according to Claim 1, wherein the reduced form coenzyme is nicotinamide adenine dinucleotide, reduced form or nicotinamide adenine dinucleotidephosphate, reduced form.
Claim 4
Dependent Claim 18 words
A process according to Claim 1, wherein the metal ions are divalent manganese ions and/or divalent cobalt ions.
Claim 5
Dependent Claim 26 words
A process according to Claim 1, wherein the reduced form coenzyme is obtained by acting a dehydrogenase on a substrate in the presence of a coenzyme.
Claim 6
Dependent Claim 28 words
A process according to Claim 4, wherein the substrate is lactic acid, the dehydrogenase is lactate dehydrogenase, and the coenzyme is nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.
Claim 7
Dependent Claim 28 words
A process according to Claim 4, wherein the substrate is a-hydroxybutyric acid, the dehydrogenase is a-hydroxybutyrate dehydrogenase, and the coenzyme is nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.
Claim 8
Dependent Claim 27 words
A process according to Claim 4, wherein the substrate is cholesterol, the dehydrogenase is cholesterol dehydrogenase, and the coenzyme is nicotinamid adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.
Claim 9
Dependent Claim 28 words
A process according to Claim 4, wherein the substrate is bile acids, the dehydrogenase is 3a-hydroxysteroid dehydrogenase, and the coenzyme is nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.
Claim 10
Dependent Claim 32 words
A process according to Claim 4, wherein the substrate is glycerol or aldehyde, the dehydrogenase is glycerol dehydrogenase or aldehyde dehydrogenase, and the coenzyme is nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.
Claim 11
Dependent Claim 32 words
A process according to Claim 4, wherein the substrate is glycerol-3-phosphate or glucose-6-phosphate, the dehydrogenase is glycerol-3-phosphate dehydrogenase or glucose-6-phosphate dehydrogenase, and the coenzyme is nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotidephosphate.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag