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  • Title: High Confidence Shotgun Lipidomics Using Structurally Selective Ion Mobility-Mass Spectrometry.
    Author: Rose BS, Leaptrot KL, Harris RA, Sherrod SD, May JC, McLean JA.
    Journal: Methods Mol Biol; 2021; 2306():11-37. PubMed ID: 33954937.
    Abstract:
    Ion mobility (IM) is a gas phase separation strategy that can either supplement or serve as a high-throughput alternative to liquid chromatography (LC) in shotgun lipidomics. Incorporating the IM dimension in untargeted lipidomics workflows can help resolve isomeric lipids, and the collision cross section (CCS) values obtained from the IM measurements can provide an additional molecular descriptor to increase lipid identification confidence. This chapter provides a broad overview of an untargeted ion mobility-mass spectrometry (IM-MS) workflow using a commercial drift tube ion mobility-quadrupole-time-of-flight mass spectrometer (IM-QTOF) for high confidence lipidomics.
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