Method of detection using a test strip having a non particulate

Details Method of detection using a test strip having a non particulate Method of detection using a test strip having a non particulate

1989-02-10

1990-08-28

Warden, Robert J.

Chemistry: analytical and immunological testing

Optical result

With reagent in absorbent or bibulous substrate

422 56, 422 55, 422 57, 436 16, G01N 2178

Patent

active

049525158

ABSTRACT:
A method for the detection of a predetermined substance in a fluid is described. The method uses a test strip that is stable to storage and accelerated keeping test conditions. A sample of a fluid containing an unknown quantity of a predetermined substance is contacted with a support having thereon a reagent layer wherein the reagent layer contains a dialyzed latex polymer and a reagent detection system which reacts with the substance to provide a detectable change. The detectable change can be determined qualitatively or quantitatively to determine the presence or the amount of the predetermined substance.

REFERENCES:
patent: 3942995 (1976-03-01), Ichikawa et al.
patent: 4258001 (1981-03-01), Pierce et al.
patent: 4415700 (1983-11-01), Batz et al.
patent: 4814142 (1989-03-01), Gleisner

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