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- Lipid biochemistry related to the sample material should be considered i.e. building blocks (e.g. fatty acids, sphingoid bases) and their quantities (generation of electronic repositories of such data is of major importance)
- Presences of isomeric lipid species should be considered
- Presence of isobaric overlap should be considered; this includes isotopic overlap mainly of 13C-isotopes within a lipid class as well as isobars resulting from various adduct ions within and between lipid classes
- Annotation of lipid species should follow the concept presented in Liebisch G, Vizcaíno JA, Köfeler H, Trötzmüller M, Griffiths WJ, Schmitz G, Spener F, Wakelam MJ. Shorthand notation for lipid structures derived from mass spectrometry. J Lipid Res. 2013 Jun;54(6):1523-30.
- Annotation of fragment ions should follow the concept presented in Pauling JK, Hermansson M, Hartler J, Christiansen K, Gallego SF, Peng B, Ahrends R, Ejsing CS. Proposal for a common nomenclature for fragment ions in mass spectra of lipids. PLoS One. 2017 Nov 21;12(11):e0188394.
Specific guidelines for: