Enzyme immunoassay with two-zoned device having bound antigens

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

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422 56, 435805, 436514, 436515, 436529, 436530, 436531, 436535, 436810, 436818, 436820, G01N 3354, G01N 3358, G01N 3352, G01N 3376

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044462328

ABSTRACT:
A device for determining the presence of antigens which comprises a first zone containing antigens and enzyme-linked antibodies which are capable of immunologically reacting with said antigens, said antibodies being positioned in said first zone such that they will be removed from said first zone when reacted with antigens passing through said first zone but not removed from said first zone in the absence of such antigens, and a second zone containing material capable of reacting with said enzyme-linked antibodies to produce a color forming reaction which indicates the presence of said antibodies.

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