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Spectrometric analysis

專利號
US10867779B2
公開日期
2020-12-15
申請人
Micromass UK Limited(GB Wilmslow)
發(fā)明人
Keith George Richardson; Steven Derek Pringle
IPC分類
H01J49/00; H01J49/04; H01J49/26
技術領域
spectra,sample,or,ion,may,more,ionisation,mass,analysis,intensity
地域: Wilmslow

摘要

A method of spectrometric analysis comprises obtaining one or more sample spectra for a sample. The one or more sample spectra are subjected to pre-processing and then multivariate and/or library based analysis so as to classify the sample. The pre-processing involves deisotoping the sample spectra.

說明書

Selecting and/or changing the mode of operation may comprise selecting and/or changing a mode of operation for pre-processing sample spectra.

The mode of operation for pre-processing sample spectra may be selected and/or changed with respect to one or more of: (i) the number and type of spectra that are combined; (ii) the background subtraction process; (iii) the conversion/correction process; (iv) the normalising, offsetting, scaling and/or function application process; the windowing process (e.g., range(s) of masses, mass to charge ratios, or ion mobilities that are retained or selected); (v) the filtering/smoothing process; (vi) the data reduction process; (vii) the thresholding process; (viii) the peak detection/selection process; (ix) the deisotoping process; (x) the re-binning process; (xi) the (further) correction process; and (xii) the (further) normalising, offsetting, scaling and/or function application process.

Selecting and/or changing the mode of operation may comprise selecting and/or changing a mode of operation for analysing sample spectra.

The mode of operation for analysing the one or more sample spectra may be selected and/or changed with respect to one or more of: (i) the one or more types of classification analysis (e.g., multivariate, univariate, library-based, supervised, unsupervised, etc.) used; (ii) the one or more particular classification models and/or libraries used; (iii) the one or more particular reference sample spectra used for the classification model and/or library; (iv) the one or more particular classes or class definitions used.

The method may comprise obtaining and/or pre-processing and/or analysing one or more sample spectra for a sample using a first mode of operation.

權利要求

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