Novel competitive assay for theophylline and reagent for use the

Details Novel competitive assay for theophylline and reagent for use the Novel competitive assay for theophylline and reagent for use the

1985-06-07

1989-08-08

Warden, Robert J.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving antigen-antibody binding, specific binding protein...

436537, 436544, 436545, 436546, 436801, 436805, 436808, 436815, 530807, 544267, 544268, 544271, 544272, 544273, G01N 3353

Patent

active

048552267

ABSTRACT:
A novel competitive assay for theophylline wherein caffeine-like (7-substituted) labeled conjugates are used to detect the presence and/or amount of theophylline present in a test sample. The use of such conjugates in a competitive assay for theophylline results in improved sensitivity of the assay method. Where the assay method is a nephelometric or turbidimetric inhibition immunoassay procedure, the assay was found to be less temperature dependent than prior art immunoassays.

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Hackh's, Chemical Dictionary, 4th Edition, McGraw Hill Book Company, p. 35.
Nishikawa, Clinica Chemica Acta 91, pp. 59-65, (1979).

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