Methods and devices for parallel analysis of ion mobility spectrum and mass spectrum
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United States of America Patent
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Mar 31, 2017
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Apr 8, 2016
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Abstract
A method for parallel analysis in mass spectrometry and ion mobility spectrometry includes enabling a sample to be subjected to a chromatography separation; ionizing the chromatography separated sample and then feeding the sample into a succeeding stage device for analysis, comprising: analyzing at least part of the ionized sample through an ion mobility spectrometer to obtain an ion mobility spectrum, and analyzing at least other parts of the sample through a mass spectrometer to obtain a mass spectrum, wherein the period for obtaining each ion mobility spectrum and each mass spectrum being not longer than 5 s; and performing data post-processing, comprising: correlating the peaks in said ion mobility spectrum and the peaks in said mass spectrum with a deconvolution algorithm according to the consistency in retention time or elution profile for the same analyte in said chromatography.
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