Peroxy acid pretreatment in vitamin B.sub.12 assay
US4950612A · kind A · utility
15Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1987 |
| Grant date | Aug 21, 1990 |
| Priority date | — |
| Expiry date | Dec 16, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/255
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Serum samples for vitamin B.sub.12 analysis can be pretreated using a combination of peroxy acid and dithiothreitol. The pretreatment makes vitamin B.sub.12 bound to serum binding proteins available for analysis by any of a variety of currently available assay techniques. The pretreatment finds particular use in an assay using solid phase intrinsic factor as a specific binding protein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.