Test kit and method for determining the presence of blood in a s

Details Test kit and method for determining the presence of blood in a s Test kit and method for determining the presence of blood in a s

1984-01-16

1988-05-03

Rosen, Sam

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving oxidoreductase

436 66, 435184, 435810, C12Q 128

Patent

active

047420022

ABSTRACT:
A test kit for determining the presence of occult blood is disclosed which includes an improved monitor system having a reagent test area including a metal salt with an oxidation potential sufficient to catalyze a chromogen reaction in the guaiac impregnated paper when exposed to a peroxide developing solution. A peroxidase inactivating test area is provided for verifying the effectiveness of a peroxidase inactivating solution comprising guanidine hydrochloride and ethylenediaminetetraacetic acid. An improved method of testing occult blood is also disclosed wherein a peroxidase inactivating solution is applied to a monitor and a sample area just prior to application of the developing solution.

REFERENCES:
patent: 4541987 (1985-09-01), Guadagno

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