Patent · US Expired

Assay

US7344849B2 · kind B2 · utility

0Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2004
Grant dateMar 18, 2008
Priority date
Expiry dateJul 1, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/25
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention relates to assay methods for the determination of cobalamin or vitamin B12 in a body fluid and in particular to assay methods for the metabolically active pool of cobalamin, comprising contacting a cell free sample of a body fluid with an immobilised or immobilizable specific binding ligand for TC II or holo TC II, separating a ligand bound fraction from a non-ligand bound fraction and measuring the holo-TC II or TC-II bound cobalamin content therein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.