Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
Patent
1995-06-06
1999-01-19
Saunders, David
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving antigen-antibody binding, specific binding protein...
422 56, 435 793, 435 25, 435 27, 435 28, 435962, 435963, 435970, 436501, 436514, 436518, 436530, 436810, 436817, G01N 33543, G01N 33558
Patent
active
058612653
ABSTRACT:
A device for performing an enzyme-labelled binding assay comprises an absorbent material and a developing solution containing a substrate for said enzyme, wherein the absorbent material is provided with a plurality of reagent zones including an indicator reagent zone and is capable of transporting the developing solution by capillary action sequentially through the reagent zones, and wherein the indicator reagent zone includes a reagent capable, directly or indirectly, of immobilizing an enzyme-labelled reagent in an amount dependent on the assay result, characterized in that the absorbent material includes a reagent that prevents a signal formation except where enzyme-labelled reagent is immobilized at the indicator reagent zone. The absorbent material is suitably in the form of an elongate strip provided with transverse reagent zones. The device is useful for performing immunoassays, including immunometric assays and dual analyte assays.
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Worthington Enzyme Manual, Worthington Biochemical Corporation, 1972, p. 43 .
Alusuisse Holdings AG
Saunders David
Schneller John W.
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