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:
Jun. 18, 2019

Filed:

Apr. 01, 2015
Applicant:

Micromass Uk Limited, Wilmslow, GB;

Inventors:

Richard Moulds, Stockport, GB;

Keith Richardson, High Peak, GB;

Jason Lee Wildgoose, Stockport, GB;

Martin Raymond Green, Bowden, GB;

Assignee:

MICROMASS UK LIMITED, Wilmslow, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/26 (2006.01); H01J 49/00 (2006.01); G01N 27/62 (2006.01); H01J 49/40 (2006.01);
U.S. Cl.
CPC ...
H01J 49/0036 (2013.01); G01N 27/622 (2013.01); H01J 49/0031 (2013.01); H01J 49/0045 (2013.01); H01J 49/40 (2013.01);
Abstract

A method of mass spectrometry or ion mobility spectrometry is disclosed. The method comprises: providing a plurality of species of ions; analyzing the ions during a plurality of sequential acquisition periods so as to obtain spectral data relating to the ions; varying the value of an operational parameter of the spectrometer such that it has different values during the different acquisition periods, wherein the spectral data obtained for a given ion varies depending on the value of the operational parameter; storing the spectral data obtained during the different acquisition periods separately; selecting a target ion; and then interrogating the spectral data so as to identify a set of first acquisition periods that include data corresponding to said target ion. Selecting spectral data from only a subset of the first acquisition periods allows the selection of the optimal spectral data for the target ion, while discarding less optimal data.


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