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:
Feb. 18, 1997

Filed:

Sep. 13, 1994
Applicant:
Inventors:

Vincent A Fischetti, West Hempstead, NY (US);

David Bernstein, Sykesville, MD (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
435-734 ; 435 29 ; 435 30 ; 435 34 ; 435 36 ; 435961 ; 435962 ; 435975 ; 436518 ; 436524 ; 436531 ; 436533 ; 436536 ; 436808 ;
Abstract

The present invention relates to the rapid detection of Group A streptococci in clinical specimens, through the enzymatic digestion by a semi-purified Group C streptococcal phage associated lysin enzyme and the identification of the released antigens, through the reaction of a labelled ligand and its respective antigen or receptor. The labelled ligand can be included during the digestion of the bacteria, enabling the total assay time to be less than five minutes. The lysin enzyme is stabilized and can be lyophilized for in situ reconstitution.


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Fischetti, Vincent. (1997). Method for exposing group a streptococcal antigens and an improved (U.S. Patent No. 5604109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5604109

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