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. 02, 2018
Filed:
Aug. 29, 2013
Applicant:
Qiagen Gmbh, Hilden, DE;
Inventors:
Assignee:
QIAGEN GmbH, Hilden, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/49 (2006.01); C12N 15/10 (2006.01); C12Q 1/68 (2018.01); C12Q 1/6806 (2018.01);
U.S. Cl.
CPC ...
G01N 33/491 (2013.01); C12N 15/1003 (2013.01); C12Q 1/6806 (2013.01);
Abstract
A method for obtaining blood plasma from a whole blood sample comprising the following steps a) contacting the whole blood sample with a composition (A) comprising at least one carboxylic acid, wherein the addition of the acidic composition (A) and optionally further additives to the whole blood sample provides a sample mixture having a pH that lies in a range from 2.5 to 5; b) binding red and white blood cells to a magnetic solid phase; wherein step a) and step b) can be performed sequentially or simultaneously, c) separating the solid phase with the bound cells from the remaining sample thereby providing blood plasma.