Immunological color change test involving two differently colore

Details Immunological color change test involving two differently colore Immunological color change test involving two differently colore

1984-09-21

1987-01-27

Marantz, Sidney

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving virus or bacteriophage

435 7, 436509, 436510, 436519, 436523, 436533, 436534, 436805, 436808, 436810, 436814, 436818, 436828, G01N 33546, G01N 33564, G01N 33569

Patent

active

046394192

ABSTRACT:
A method and device for detecting an antigenic material in which the device comprises a test utensil having an indentation in which two reagent spots are placed, the first body being a dyed substrate having a coating of an antibody or antibody-like material thereon and the second of the two reagent spots comprising a dyed test-inert material or a dyed substrate with a coating of a normal animal serum, the dye employed in the second reagent spot having a different color than that employed in the first spot. When a liquid test sample is added to the indentation, the dyed substrate particles or components are suspended or solubilized, and the resulting suspension gives the appearance of a third color. A positive agglutination test is indicated by the formation of at least one spot having the color of the first dyed substrate against a background having the color of the second dyed substrate.

REFERENCES:
patent: 3666421 (1972-05-01), Price
patent: 3957436 (1976-05-01), Murray
patent: 4419453 (1983-12-01), Dorman

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