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.

Patent No.:

US 6811990 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2004

Filed:

Feb. 08, 2002
Applicant:
Inventors:

Michael J. Corey, Bellevue, WA (US);

Robert J. Kinders, Woodinville, WA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/66 ; C12Q 1/32 ; C12Q 1/34 ; C12Q 1/02 ;
U.S. Cl.
CPC ...
C12Q 1/66 ; C12Q 1/32 ; C12Q 1/34 ; C12Q 1/02 ;
Abstract

The present invention provides a set of methods and compositions for homogeneous coupled luminescent assays of cytotoxicity and/or proliferation of cells, as well as for enzymatic activity. In both cases the activities of the enzymes of interest are coupled to production of a high-energy molecule, which serves as a substrate for the production of light by a luciferase, typically in a single reagent mixture, with a useful readout available in 1—5 minutes. Individual cytotoxicity and proliferation signals can be measured from a single sample in 6 minutes or less. The invention also provides a 3-minute, one-step phosphatase assay. The ability to couple the activity of interest to light production in a one-step procedure gives rise to extremely rapid and flexible methods for measurement of cytotoxic effects and enzymatic activities. The assay methods are highly suitable for use in high-throughput screening procedures.


Find Patent Forward Citations

Corey, Michael. (2004). Methods and compositions for coupled luminescent assays (U.S. Patent No. 6811990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6811990

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