Per- and polyfluoroalkyl substances (PFAS) and thyroid hormone measurements in dried blood spots and neonatal characteristics: a pilot study
Rosen Vollmar A, Lin E, Nason S, Santiago K, Johnson C, Ma X, Godri Pollitt K, Deziel N. Per- and polyfluoroalkyl substances (PFAS) and thyroid hormone measurements in dried blood spots and neonatal characteristics: a pilot study. Journal Of Exposure Science & Environmental Epidemiology 2023, 33: 737-747. PMID: 37730931, PMCID: PMC10541328, DOI: 10.1038/s41370-023-00603-4.Peer-Reviewed Original ResearchConceptsThyroid hormone concentrationsNeonatal characteristicsThyroid hormone measurementsHormone concentrationsThyroid hormonesBlood spotsPilot studyNewborn DBSHormone measurementsPopulation-based studyThyroid hormone levelsEnvironmental risk factorsPFAS concentrationsNewborn screening testNon-parametric WilcoxonThyroid diseaseRisk factorsHormone levelsKruskal-Wallis testPFAS exposureThyroid hormone dataScreening testNeonatal DBSEnvironmental exposuresPerformance liquid chromatography-mass spectrometryNovel perfluoroalkyl substances (PFAS) discovered in whole blood using automated non-targeted analysis of dried blood spots
Koelmel J, Lin E, Parry E, Stelben P, Rennie E, Godri Pollitt K. Novel perfluoroalkyl substances (PFAS) discovered in whole blood using automated non-targeted analysis of dried blood spots. The Science Of The Total Environment 2023, 883: 163579. PMID: 37100129, PMCID: PMC10247435, DOI: 10.1016/j.scitotenv.2023.163579.Peer-Reviewed Original ResearchConceptsBlood spotsNovel perfluoroalkyl substancesHuman bloodVenous blood drawBlood spot cardsBlood spot samplesPerfluoroalkyl substancesPrenatal exposureBlood drawEnvironmental epidemiology studiesEpidemiology studiesFalse negative rateBloodLow false negative rateInvasive collection techniquesWhole bloodVulnerable populationsLiquid chromatography-high resolution tandem mass spectrometryUnderstanding of exposureSpot samplesSpot cardsHigh-resolution tandem mass spectrometryExposurePerfluoroalkyl ether carboxylic acidsScreeningTrace analysis of per- and polyfluorinated alkyl substances (PFAS) in dried blood spots – Demonstration of reproducibility and comparability to venous blood samples
Lin E, Nason S, Zhong A, Fortner J, Godri Pollitt K. Trace analysis of per- and polyfluorinated alkyl substances (PFAS) in dried blood spots – Demonstration of reproducibility and comparability to venous blood samples. The Science Of The Total Environment 2023, 883: 163530. PMID: 37094673, PMCID: PMC10248884, DOI: 10.1016/j.scitotenv.2023.163530.Peer-Reviewed Original ResearchConceptsPolyfluoroalkyl substancesLiquid chromatography-high resolution mass spectrometryResolution mass spectrometryWater-repellent propertiesVenous blood samplesBlood samplesTrace levelsTrace analysisMass spectrometryWhole blood samplesChemical analysisAlkyl substancesHealthy adultsMan-made chemicalsAdverse health outcomesAnalytical methodBlank correctionHousehold productsHealth outcomesPFAS exposureInvasive methodBlood collectionBlood spotsCritical windowEnvironmental exposures