2022
Long-term Exposure to Oxidant Gases and Mortality: Effect Modification by PM2.5 Transition Metals and Oxidative Potential
Toyib O, Lavigne E, Traub A, Umbrio D, You H, Ripley S, Pollitt K, Shin T, Kulka R, Jessiman B, Tjepkema M, Martin R, Stieb DM, Hatzopoulou M, Evans G, Burnett RT, Weichenthal S. Long-term Exposure to Oxidant Gases and Mortality: Effect Modification by PM2.5 Transition Metals and Oxidative Potential. Epidemiology 2022, 33: 767-776. PMID: 36165987, PMCID: PMC9531968, DOI: 10.1097/ede.0000000000001538.Peer-Reviewed Original ResearchConceptsLong-term exposureOxidative stressFine particulate air pollutionProportional hazards modelAir pollution health effectsHealth impactsObserved health impactsParticulate air pollutionCohort studyMortality outcomesOxidant gasesEffect modificationInterquartile increaseHazards modelAdverse health impactsNonaccidental mortalityGSH levelsHealth effectsMortalityLand use regression modelsOxidative potentialMedianRegression modelsExposurePM 2.5
2021
A Novel Technique for Redox Lipidomics Using Mass Spectrometry: Application on Vegetable Oils Used to Fry Potatoes
Koelmel JP, Aristizabal-Henao JJ, Ni Z, Fedorova M, Kato S, Otoki Y, Nakagawa K, Lin EZ, Pollitt K, Vasiliou V, Guingab JD, Garrett TJ, Williams TL, Bowden JA, Penumetcha M. A Novel Technique for Redox Lipidomics Using Mass Spectrometry: Application on Vegetable Oils Used to Fry Potatoes. Journal Of The American Society For Mass Spectrometry 2021, 32: 1798-1809. PMID: 34096708, DOI: 10.1021/jasms.1c00150.Peer-Reviewed Original ResearchMeSH KeywordsChromatography, LiquidCookingLipidomicsOxidation-ReductionPlant OilsSolanum tuberosumTandem Mass Spectrometry
2020
Ambient particulate matter oxidative potential: Chemical determinants, associated health effects, and strategies for risk management
Gao D, Ripley S, Weichenthal S, Godri Pollitt KJ. Ambient particulate matter oxidative potential: Chemical determinants, associated health effects, and strategies for risk management. Free Radical Biology And Medicine 2020, 151: 7-25. PMID: 32430137, DOI: 10.1016/j.freeradbiomed.2020.04.028.Peer-Reviewed Original ResearchMeSH KeywordsAgedAir PollutantsHumansOxidation-ReductionOxidative StressParticulate MatterRisk ManagementConceptsOxidative potentialRedox-active metalsRedox propertiesPM chemical constituentsOrganic speciesPM oxidative potentialTarget moleculesFine PM massOP assaysChemical constituentsChemical determinantsParticulate matter toxicityOP responseMass concentrationAssociated health effectsPM speciesAir pollution exposure assessmentMetalsEpidemiological studiesHealth outcomesEpidemiologic literaturePollution exposure assessmentHealth effectsRedoxExposure assessment
2016
Ambient PM2.5 and risk of emergency room visits for myocardial infarction: impact of regional PM2.5 oxidative potential: a case-crossover study
Weichenthal S, Lavigne E, Evans G, Pollitt K, Burnett RT. Ambient PM2.5 and risk of emergency room visits for myocardial infarction: impact of regional PM2.5 oxidative potential: a case-crossover study. Environmental Health 2016, 15: 46. PMID: 27012244, PMCID: PMC4806515, DOI: 10.1186/s12940-016-0129-9.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAir PollutantsChildChild, PreschoolColoradoCross-Over StudiesEmergency Service, HospitalEnvironmental ExposureEnvironmental MonitoringFiresHumansInfantInfant, NewbornMiddle AgedMyocardial InfarctionOdds RatioOxidation-ReductionParticulate MatterRespiratory Tract DiseasesRisk FactorsYoung Adult
2015
The PM10 fraction of road dust in the UK and India: Characterization, source profiles and oxidative potential
Pant P, Baker SJ, Shukla A, Maikawa C, Pollitt K, Harrison RM. The PM10 fraction of road dust in the UK and India: Characterization, source profiles and oxidative potential. The Science Of The Total Environment 2015, 530: 445-452. PMID: 26033216, DOI: 10.1016/j.scitotenv.2015.05.084.Peer-Reviewed Original Research