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.:
Date of Patent:
Oct. 20, 1998
Filed:
May. 17, 1996
Applicant:
Inventors:
John Hedger Priest, Everett, WA (US);
Eric Michael Nelson, Redmond, WA (US);
Assignee:
Mercury Diagnostics, Inc., Scotts Valley, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ; C12Q / ; G01N / ;
U.S. Cl.
CPC ...
435 28 ; 435 14 ; 435 25 ; 435970 ; 436 63 ; 5483607 ; 534822 ;
Abstract
A dry reagent test strip for determining the concentration of an analyte in a liquid sample is described. The test strip has a matrix containing reagent detection chemistry, which includes an oxidase enzyme that can utilize the analyte as a substrate forming hydrogen peroxide, a benzidine dye precursor, a peroxidase enzyme, and an antipyrine compound. The addition of an antipyrine compound to the reagent detection chemistry provides a standard concentration graph which is substantially linear in a desired range of analyte concentration. The precision and accuracy of reading the test strip are enhanced.