2025
Filling the Gaps in PFAS Detection: Integrating GC-MS Non-Targeted Analysis for Comprehensive Environmental Monitoring and Exposure Assessment
Newton S, Bowden J, Charest N, Jackson S, Koelmel J, Liberatore H, Lin A, Lowe C, Nieto S, Pollitt K, Robuck A, Rostkowski P, Townsend T, Wallace M, Williams A. Filling the Gaps in PFAS Detection: Integrating GC-MS Non-Targeted Analysis for Comprehensive Environmental Monitoring and Exposure Assessment. Environmental Science & Technology Letters 2025, 12: 104-112. DOI: 10.1021/acs.estlett.4c00930.Peer-Reviewed Original ResearchNon-target analysisLC-ESI-MSLC-MSNovel PFASsChromatography-mass spectrometryNTA studiesGC-MSTransformation productsPFAS structuresPFAS chemistryLiquid chromatography-mass spectrometryPolyfluoroalkyl substancesGC-MS methodPFAS researchGas chromatography-mass spectrometryLC-MS analysisChemical spaceParent compoundAqueous filmSpectrometryPFAS detectionsChemicalSources of PFASsCompoundsChemistry
2024
High-Resolution Mass Spectrometry for Human Exposomics: Expanding Chemical Space Coverage
Lai Y, Koelmel J, Walker D, Price E, Papazian S, Manz K, Castilla-Fernández D, Bowden J, Nikiforov V, David A, Bessonneau V, Amer B, Seethapathy S, Hu X, Lin E, Jbebli A, McNeil B, Barupal D, Cerasa M, Xie H, Kalia V, Nandakumar R, Singh R, Tian Z, Gao P, Zhao Y, Froment J, Rostkowski P, Dubey S, Coufalíková K, Seličová H, Hecht H, Liu S, Udhani H, Restituito S, Tchou-Wong K, Lu K, Martin J, Warth B, Pollitt K, Klánová J, Fiehn O, Metz T, Pennell K, Jones D, Miller G. High-Resolution Mass Spectrometry for Human Exposomics: Expanding Chemical Space Coverage. Environmental Science And Technology 2024, 58: 12784-12822. PMID: 38984754, PMCID: PMC11271014, DOI: 10.1021/acs.est.4c01156.Peer-Reviewed Original ResearchHigh-resolution mass spectrometryChemical spaceCoverage of chemical spaceMass spectrometryAccurate mass measurementsChemical space coverageNon-target approachHuman exposomeAnalytical workflowMass measurementsDisease outcomeGenetic driversSpectrometryHarmonized workflowMulti-omics integrationRetrospective validationCare providersChemistsMetabolomicsSpace coverageBiomoleculesHypothesis-drivenDisease
2023
Non-targeted analysis (NTA) and suspect screening analysis (SSA): a review of examining the chemical exposome
Manz K, Feerick A, Braun J, Feng Y, Hall A, Koelmel J, Manzano C, Newton S, Pennell K, Place B, Godri Pollitt K, Prasse C, Young J. Non-targeted analysis (NTA) and suspect screening analysis (SSA): a review of examining the chemical exposome. Journal Of Exposure Science & Environmental Epidemiology 2023, 33: 524-536. PMID: 37380877, PMCID: PMC10403360, DOI: 10.1038/s41370-023-00574-6.Peer-Reviewed Original ResearchConceptsHigh-resolution mass spectrometryNon-targeted analysisExposure mediaChemical spaceSoils/sedimentsMass spectrometryPolyfluoroalkyl substancesSemi-volatile organic compoundsChemical exposomePolyaromatic hydrocarbonsLiquid chromatographyEnvironmental mediaOrganic compoundsGC-HRMSHuman exposureLC-HRMSAnalytical platformConsumer productsChemical exposureSedimentsPesticidesEnvironmental chemicalsChemicalsExposure sourcesSpectrometry
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