The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 15, 1988

Filed:

Aug. 29, 1985
Applicant:
Inventors:

Peter R Farina, North Salem, NY (US);

James R Golke, Yorktown Heights, NY (US);

Assignee:

Baker Instruments Corporation, Allentown, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N / ; C12N / ; C12N / ; C12Q / ; C07G / ; C07K / ; G01N / ;
U.S. Cl.
CPC ...
530402 ; 530300 ; 530307 ; 530308 ; 530313 ; 530316 ; 530323 ; 530350 ; 530388 ; 530398 ; 530399 ; 530403 ; 530404 ; 530405 ; 530406 ; 435-7 ; 435199 ; 435207 ; 435188 ;
Abstract

A highly sensitive, immunoassay method for determining the amount of an analyte in a sample containing a known analyte in an unknown concentration is provided. Sample; a polypeptide-labeled analog of the analyte, an antibody specific for said analyte, a polypeptide partner capable of non-covalently binding with the polypeptide-labeled analyte to form a complex having catalytic activity, and a substrate capable of being converted to a reporter molecule by the catalytic activity of said complex are brought together in a medium. The polypeptide-labeled analyte analog is capable of competitively binding to the antibody and the polypeptide partner, the antibody inhibiting the formation of a catalytically active complex in the absence of analyte, and the concentration of the antibody, polypeptide partner and polypeptide-labeled analyte are such as to cause varying amounts of analyte to be directly related to the conversion of the substrate to the reporter molecule. Conversion of the substrate to the reporter molecule is then determined, and compared to conversions of substrate to reporter molecule obtained with known concentrations of the analyte.


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