Ascorbic acid determination
US4160696A · kind A · utility
22Cited by
1References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 23, 1976 |
| Grant date | Jul 10, 1979 |
| Priority date | — |
| Expiry date | Aug 23, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Y110/03003
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Ascorbic acid in a sample such as blood serum is quantitatively assayed by converting the ascorbic acid to dehydroascorbic acid with ascorbic acid oxidase and reacting the dehydroascorbic with a coupling substance such as phenylenediamine to produce a detectable product. The ascorbic acid oxidase and coupling substance can be combined to form a reagent composition which can be incorporated into integral multilayer elements to form a test element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.