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:
Dec. 14, 2021
Filed:
Oct. 07, 2019
Applicant:
Dna Genotek Inc., Kanata, CA;
Inventors:
Hyman Chaim Birnboim, Ottawa, CA;
Lindsay Pozza, Dunrobin, CA;
Carlos Alberto Merino Hernandez, Nepean, CA;
Evgueni Vladimirovitch Doukhanine, Ottawa, CA;
Assignee:
DNA Genotek Inc., Kanata, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/6806 (2018.01); A61K 31/711 (2006.01); C12N 15/10 (2006.01);
U.S. Cl.
CPC ...
C12Q 1/6806 (2013.01); A61K 31/711 (2013.01); C12N 15/1003 (2013.01);
Abstract
Methods, compositions, and kits for stabilizing both human and microbial deoxyribonucleic acid (DNA) present in complex biological samples, such as feces, are disclosed. In particular, aqueous compositions for stabilizing DNA contained in biological samples at ambient temperature are disclosed, together with associated methods and kits using same. In one aspect, the compositions comprise a chelating agent present at a concentration of at least about 150 mM, and the composition has a pH of at least about 9.5.