Patent · US Expired

Determination method utilizing reagents covalently labelled with essentially non-fluorescent lanthanide chelates in combination with time-resolved fluorescence spectroscopy and the reagents to be used in the method

US4808541A · kind A · utility

44Cited by
15References
8Claims
0Family size

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Key dates

Filing dateFeb 20, 1987
Grant dateFeb 28, 1989
Priority date
Expiry dateFeb 20, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/13
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Compound having the following structure: ##STR1## R is a direct chain or branched alkylene group comprising 2-8 carbon atoms, PA1 n and m are 0 or 1, PA1 Y is a carboxylic or phosphonic acid, and PA1 X is an active functional group which permits covalent coupling to a bio-organic molecule.

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