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:
Nov. 12, 2024
Filed:
Feb. 16, 2022
Thermo Fisher Scientific (Bremen) Gmbh, Bremen, DE;
Roman Zubarev, Stockholm, SE;
Christian Beusch, Solna, SE;
Thermo Fisher Scientific (Bremen ) GmbH, Bremen, DE;
Abstract
A mass spectrometry method comprises: providing a multiplexed sample comprising a mixture of biomolecule-containing samples respectively tagged with mass tags; acquiring MS2 spectra by data-dependent acquisition (DDA) of the multiplexed sample or another mass tagged mixture of the samples during chromatographic elution; acquiring MS2 spectra by data-independent acquisition (DIA) during the elution; forming a spectral library from the DDA MS2 spectra comprising a plurality of the MS2 spectra and the biomolecule retention times; matching fragment-ion peaks in the DIA MS2 spectra to fragment-ion peaks in the MS2 library spectra to find matched biomolecules; determining a total abundance for each matched biomolecule from the DIA MS2 spectra at each of a plurality of retention times; determining abundances of respective reporter ions from the DIA MS2 spectra at the plurality of retention times; and deconvoluting relative abundances of the biomolecules in each respectively tagged biomolecule-containing sample based on the determined abundances.
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