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
2023
Human Activities Shape Indoor Volatile Chemistry
Aksenov A, Koelmel J, Lin E, Melnik A, Vance M, Farmer D, Pollitt K. Human Activities Shape Indoor Volatile Chemistry. Environmental Science & Technology Letters 2023, 10: 965-975. DOI: 10.1021/acs.estlett.2c00952.Peer-Reviewed Original Research
2021
Exploring personal chemical exposures in China with wearable air pollutant monitors: A repeated-measure study in healthy older adults in Jinan, China
Guo P, Lin EZ, Koelmel JP, Ding E, Gao Y, Deng F, Dong H, Liu Y, Cha Y, Fang J, Shi X, Tang S, Godri Pollitt KJ. Exploring personal chemical exposures in China with wearable air pollutant monitors: A repeated-measure study in healthy older adults in Jinan, China. Environment International 2021, 156: 106709. PMID: 34153889, DOI: 10.1016/j.envint.2021.106709.Peer-Reviewed Original ResearchConceptsVolatile organic compoundsPolycyclic aromatic hydrocarbonsAirborne chemical contaminantsPersonal exposure profilesPassive air samplersOrganic compoundsPassive samplersChemical classesChemical contaminantsChemical analysisPersonal chemical exposureCertain polycyclic aromatic hydrocarbonsChemical exposureAirborne compoundsAirborne contaminantsCompoundsAromatic hydrocarbonsContaminantsAir monitoring sitesComprehensive characterizationPhthalateNitroaromaticsRepeated-measures studyAir samplerNitrobenzeneHead, Shoulders, Knees, and Toes: Placement of Wearable Passive Samplers Alters Exposure Profiles Observed
Koelmel JP, Lin EZ, Nichols A, Guo P, Zhou Y, Pollitt K. Head, Shoulders, Knees, and Toes: Placement of Wearable Passive Samplers Alters Exposure Profiles Observed. Environmental Science And Technology 2021, 55: 3796-3806. PMID: 33625210, DOI: 10.1021/acs.est.0c05522.Peer-Reviewed Original ResearchConceptsSemivolatile organic compoundsOrganic compoundsGas chromatography-high resolution mass spectrometryPassive samplersHigh-resolution mass spectrometryVolatile organic compoundsPersonal exposure profilesChemicals of concernMass spectrometryChemicalsExposure dynamicsExposure profilesCompoundsMajor risk factorComprehensive characterizationPersonal exposureAirborne contaminantsContaminant exposureRisk factorsInhalation routeEpidemiological studiesChemical exposureSpectrometrySamplerParticipants' wrists
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