Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1987-10-13
1993-04-27
Nucker, Christine M.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
435810, 436518, 436523, 530402, B32B 3300, G01N 33543, C07K 1702
Patent
active
052060861
ABSTRACT:
The invention relates to a process for preparing standards and controls for immunoassays employing monoclonal antibodies. Monoclonal antibodies are used to isolate a restricted portion of an antigen containing an epitope that determines the specificity of the monoclonal antibody-antigen reaction so as to distinguish it from the antigen as a whole, following fragmentation of the complex antigen by procedures including proteolysis. Isolated epitopes are attached covalently or by physical adsorption to particles to immobilize and stabilize the epitope. The particles can be composed of iodipamide ethyl ester, polyvinyl chloride, polystyrene and other inert substances and can be chemically activated to improve epitope binding and stability. Experimental details demonstrate the binding of lipoprotein epitopes to IDE, polyvinyl chloride and polystyrene and the subsequent reaction of monoclonal antibodies to these particle-stabilized epitopes.
This invention is useful particularly for measuring the lipoprotein components associated with cholesterol, and includes a monoclonal based immunoassay kit for measuring the lipoprotein components in biological fluids to assess risk related to coronary artery disease complications.
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Sparks Charles E.
Sparks Janet D.
Violante Michael R.
Nucker Christine M.
University of Rochester
Woodward M. P.
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