Article for performing immunological assays utilizing organic dy

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

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435 724, 435 725, 436518, 436519, 436520, G01N 33543, G01N 33554, G01N 33555

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active

054686180

ABSTRACT:
An article for performing solid-phase immunological assays and methods for performing assays utilizing such article. A solid-phase support suitable for immunological assays is stained with an organic dye that has a net-positive charge and a hydrophobic aromatic ring structure. An immunologically reactive component having a net-negative charge, such as a whole cell, is securely immobolized by the dye to the support through noncovalent interactions. A sample of biological fluid may be added to the article to which the immunologically reactive component has been immobilized to effect binding of antigens or antibodies in the sample which are specific to the immobilized component. The presence of the antigen-antibody complex may then be determined by any known means.

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