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. 15, 2024
Filed:
Aug. 10, 2020
Applicant:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Inventors:
Sum Chan, San Clemente, CA (US);
Qibo Jiang, Los Angeles, CA (US);
Richard E. Reitz, Las Vegas, NV (US);
Assignee:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/42 (2006.01); G01N 33/82 (2006.01);
U.S. Cl.
CPC ...
C12Q 1/42 (2013.01); G01N 33/82 (2013.01);
Abstract
Provided are methods for determining the amount of total thiamine in a body fluid sample using liquid chromatography and mass spectrometry. Total thiamine is converted to free thiamine by treatment with an acid phosphatase prior to thiamine separation and quantification.