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Proposal for a common nomenclature for fragment ions in mass spectra of lipids

Fig 1

CID of lipid molecules produces several types of fragments that can be used for annotating intact lipid molecules at three different levels.

The shorthand notation of the fragment ions is described in the sections: Results and discussion, and S1 Text. LCFs, lipid class-selective fragments; MLFs, molecular lipid species-specific fragments; DBFs, double bond location-specific fragments.

Fig 1

doi: https://doi.org/10.1371/journal.pone.0188394.g001