Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
Patent
1995-06-02
1999-11-16
Woodward, Michael P.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving antigen-antibody binding, specific binding protein...
422 56, 422 57, 422 681, 435970, 435975, 436501, 436518, 436807, G01N 33566, G01N 33543, G01N 3353
Patent
active
059855797
ABSTRACT:
Methods and test devices for detecting the presence or amount of target ligand in non-competitive sandwich ligand-receptor assay processes. Antibodies which bind to the complex of ligand receptor and target ligand but do not bind significantly to the ligand receptor and which bind the target ligand with substantially less affinity than the complex are taught and their uses described. These assays can be used to eliminate the "hook" effect in non-competitive sandwich assays. Furthermore, the antibodies are selected and assay methods described so that, as a result of the assay process, no detectable response is observed due to the binding of antibody and ligand receptor in the absence of target ligand.
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Buechler Kenneth F.
Valkirs Gunars E.
Biosite Diagnostics, Inc.
Woodward Michael P.
Zeman Mary K
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