Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 31, Issue 19, Pages 1599-1606Publisher
WILEY
DOI: 10.1002/rcm.7941
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RationaleA novel data-independent acquisition method is detailed that incorporates a scanning quadrupole in front of an orthogonal acceleration time-of-flight (TOF) mass analyser. This approach is described and the attributes are compared and contrasted to other DIA approaches. MethodsSpecific application of the method to both targeted and untargeted lipidomic identification strategies is discussed, with data from both shotgun and LC separated lipidomics experiments presented. ResultsThe benefits of the fast quadrupole scanning technique are highlighted, and include improvements in speed and specificity for complex mixtures providing high quality qualitative and quantitative data. ConclusionsIn particular the high specificity afforded by the scanning quadrupole improves qualitative information for lipid identification.
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