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:
Jan. 02, 2018

Filed:

Mar. 03, 2015
Applicant:

Exact Sciences Corporation, Madison, WI (US);

Inventors:

Janelle J. Bruinsma, Madison, WI (US);

Hemanth D. Shenoi, Verona, WI (US);

Michael J. Domanico, Middleton, WI (US);

James P. Light, II, Middleton, WI (US);

Assignee:

Exact Sciences Corporation, Madison, WI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/68 (2006.01); C12N 15/10 (2006.01);
U.S. Cl.
CPC ...
C12Q 1/6806 (2013.01); C12N 15/1003 (2013.01); C12N 15/1006 (2013.01); C12N 15/1017 (2013.01); Y10T 436/25125 (2015.01);
Abstract

Provided herein is technology relating to processing and preparing samples and particularly, but not exclusively, to methods, systems, and kits for removing assay inhibitors, e.g., compounds that inhibit polymerase chain reaction, from samples comprising nucleic acids. In particular, the technology is directed toward treating crude sample preparations, such as supernatants from homogenized stool samples, with insoluble polyvinylpyrrolidone (PVP) to form PVP-assay inhibitor complexes, and filtration to separate the PVP-assay inhibitor complexes from the crude sample preparations to produce clarified samples that exhibit reduced assay inhibition.


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