2022
An actionable annotation scoring framework for gas chromatography-high-resolution mass spectrometry
Koelmel J, Xie H, Price E, Lin E, Manz K, Stelben P, Paige M, Papazian S, Okeme J, Jones D, Barupal D, Bowden J, Rostkowski P, Pennell K, Nikiforov V, Wang T, Hu X, Lai Y, Miller G, Walker D, Martin J, Pollitt K. An actionable annotation scoring framework for gas chromatography-high-resolution mass spectrometry. Exposome 2022, 2: osac007. PMID: 36483216, PMCID: PMC9719826, DOI: 10.1093/exposome/osac007.Peer-Reviewed Original ResearchGas chromatography-high resolution mass spectrometryMass spectrometryHigh-resolution mass spectrometryPositive chemical ionizationResolution mass spectrometryChemical ionizationChemical dataElectron ionizationGC-HRMSMolecular ionsAccurate massNegative ionizationExposomics studiesChemical identificationCompound annotationChemical annotationRetention indicesIsotopic patternsSpectrometryIonizationRetention timeMolecular levelConfident annotationComprehensive characterizationCorresponding biological responses
2017
LipidPioneer : A Comprehensive User-Generated Exact Mass Template for Lipidomics
Ulmer C, Koelmel J, Ragland J, Garrett T, Bowden J. LipidPioneer : A Comprehensive User-Generated Exact Mass Template for Lipidomics. Journal Of The American Society For Mass Spectrometry 2017, 28: 562-565. PMID: 28074328, PMCID: PMC5557379, DOI: 10.1007/s13361-016-1579-6.Peer-Reviewed Original ResearchConceptsLipid speciesMass spectrometric techniquesNumber of carbonsUnique lipid speciesMass spectrometric analysisLipid oxidation productsMolecular formulaExact massCompound DiscovererChromatographic separationOxidation productsSpectrometric techniquesSample matrixLipid class levelsZ valuesAdduct massesLipid librarySpectrometric analysisDegree of unsaturationInclusion listIsotopic patternsEther-linked lipidsFragmentation experimentsBiological systemsFatty acyl constituents