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:
Mar. 18, 1997

Filed:

Aug. 24, 1992
Applicant:
Inventors:

Julian Gordon, Lake Bluff, IL (US);

Andreas A Kapsalis, Evanston, IL (US);

Richard E Thompson, Libertyville, IL (US);

Assignee:

Abbott Laboratories, Abbott Park, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ; C12Q / ; C12Q / ;
U.S. Cl.
CPC ...
435-4 ; 422 56 ; 435 15 ; 435 18 ; 435 25 ; 435805 ;
Abstract

Methods and kits are provided for the quantitative determination of the presence of an enzyme analyte in a sample by determination of the rate of analyte catalyzed reaction on a chromatographic medium. The methods may be used to determine both steady state and non-steady state enzyme reaction kinetics and provide a physical record reflecting the same. In a preferred embodiment, an analyte enzyme in a sample to be analyzed is immobilized at a reaction site on a chromatographic medium, the chromatographic medium is contacted with a solution containing a substrate, the solution is transported on the chromatographic medium to the reaction site where the analyte enzyme catalyzes the reaction of the substrate to produce a detectable reaction product at a rate related to the amount of enzyme present, and the solution and reaction product are transported from the reaction site to a detection region formed by a length of the chromatographic medium downstream from the reaction site. Transport continues until the solution reaches the end of the chromatographic medium or until the quantity of solution is exhausted.


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