2024
Between and within-city variations of PM2.5 oxidative potential in five cities in Colombia
Rojas N, Agudelo-Castañeda D, Bustos D, Godri Pollitt K, Gao D, Rodriguez-Villamizar L. Between and within-city variations of PM2.5 oxidative potential in five cities in Colombia. Air Quality, Atmosphere & Health 2024, 1-14. DOI: 10.1007/s11869-024-01632-0.Peer-Reviewed Original ResearchPM2.5 mass concentrationsUltrasonic Personal Aerosol SamplerMass concentrationFine particulate matterAmbient PM2.5 samplesHealth exposure metricWithin-city variationAdverse health effectsPM2.5 OPPM2.5 samplesOP metricsBackground siteParticulate matterPM2.5Residential sitesIndustrial sitesOxidation potentialSite typesPersonal aerosol samplersExposure metricsHealth effectsAerosol samplerM-3ConcentrationSites
2023
Within-city spatial variations in long-term average outdoor oxidant gas concentrations and cardiovascular mortality: Effect modification by oxidative potential in the Canadian Census Health and Environment Cohort
Ripley S, Gao D, Pollitt K, Lakey P, Shiraiwa M, Hatzopoulou M, Weichenthal S. Within-city spatial variations in long-term average outdoor oxidant gas concentrations and cardiovascular mortality: Effect modification by oxidative potential in the Canadian Census Health and Environment Cohort. Environmental Epidemiology 2023, 7: e257. PMID: 37545813, PMCID: PMC10403014, DOI: 10.1097/ee9.0000000000000257.Peer-Reviewed Original ResearchCanadian Census HealthCardiovascular mortalityReactive oxygen species concentrationParticulate air pollutionEnvironment CohortMeasures of PMRetrospective cohort studyFine particulate air pollutionRelevant confounding factorsProportional hazards modelOutdoor fine particulate air pollutionPopulation health impactHealth impactsCardiovascular health impactsOutdoor air pollutionCardiovascular deathCohort studyOxidant gasesEffect modificationHazards modelConfounding factorsMortalityOxidative stressHealth effectsOxidative potentialPaired Indoor and Outdoor Nitrogen Dioxide Associated With Childhood Asthma Outcomes in a Mixed Rural-Urban Setting: A Feasibility Study
Wi C, Gent J, Bublitz J, King K, Ryu E, Sorrentino K, Plano J, McKay L, Porcher J, Wheeler P, Chiarella S, DeWan A, Pollitt K, Sheares B, Leaderer B, Juhn Y. Paired Indoor and Outdoor Nitrogen Dioxide Associated With Childhood Asthma Outcomes in a Mixed Rural-Urban Setting: A Feasibility Study. Journal Of Primary Care & Community Health 2023, 14: 21501319231173813. PMID: 37243352, PMCID: PMC10226331, DOI: 10.1177/21501319231173813.Peer-Reviewed Original ResearchConceptsAsthma control statusControl statusAsthma diaryRural-urban settingOutdoor NOChildhood asthma outcomesProspective cohort studySocioeconomic statusLow socioeconomic statusSmall feasibility studyAsthma exacerbationsOlmsted CountyPersistent asthmaAsthma outcomesCohort studyChildhood asthmaRural-urban communityLarger sample sizeAsthmaStudy periodHealth effectsFeasibility studyWeeksStatusLow threshold
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 2.5Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment
Jia X, Jin Q, Fang J, Shi Y, Hou M, Dong H, Liu Y, Deng F, Zhou Y, Pollitt K, Tang S, Shi X, Cai Y. Emerging and Legacy Per- and Polyfluoroalkyl Substances in an Elderly Population in Jinan, China: The Exposure Level, Short-Term Variation, and Intake Assessment. Environmental Science And Technology 2022, 56: 7905-7916. PMID: 35584234, DOI: 10.1021/acs.est.2c00381.Peer-Reviewed Original ResearchConceptsElderly adultsHealthy elderly adultsBw/dayHuman exposureAdverse health effectsMedian intakeIntake assessmentElderly populationMonth assessment periodDietary ingestionHealth effectsInternal exposureWhole bloodPerfluorooctanoic acidExposure levelsImportant exposure pathwayExposure assessmentAssessment periodConsecutive monthsRegression analysisPolyfluoroalkyl substancesPerfluorooctanesulfonic acidCl-PFESAExposureAdultsAssessing the External Exposome Using Wearable Passive Samplers and High-Resolution Mass Spectrometry among South African Children Participating in the VHEMBE Study
Koelmel JP, Lin EZ, DeLay K, Williams AJ, Zhou Y, Bornman R, Obida M, Chevrier J, Pollitt K. Assessing the External Exposome Using Wearable Passive Samplers and High-Resolution Mass Spectrometry among South African Children Participating in the VHEMBE Study. Environmental Science And Technology 2022, 56: 2191-2203. PMID: 35089017, DOI: 10.1021/acs.est.1c06481.Peer-Reviewed Original ResearchConceptsHigh-resolution mass spectrometryMass spectrometryAirborne chemical exposuresPassive samplersVenda Health ExaminationChemical exposureChildren's personal exposureSpectrometryPersonal exposureChemicalsMolecular levelSouth African childrenMiddle-income countriesHealth examinationExternal exposomeCombustion productsAfrican childrenAirborne chemicalsHealth effectsEnvironmental exposuresDyeAssessment periodPlasticizerExposureDichlorodiphenyldichloroethane
2021
Exposure to organophosphate esters in elderly people: Relationships of OPE body burdens with indoor air and dust concentrations and food consumption
Hou M, Fang J, Shi Y, Tang S, Dong H, Liu Y, Deng F, Giesy JP, Godri Pollitt KJ, Cai Y, Shi X. Exposure to organophosphate esters in elderly people: Relationships of OPE body burdens with indoor air and dust concentrations and food consumption. Environment International 2021, 157: 106803. PMID: 34365320, DOI: 10.1016/j.envint.2021.106803.Peer-Reviewed Original ResearchConceptsElderly peopleHealth effectsWhole bloodFood frequency questionnaireHealthy elderly peopleHigh blood concentrationsBw/dayDaily total intakeAdverse health effectsHigher consumption frequencyTnBP exposureFrequency questionnaireIndoor dustPotential health effectsUrinary levelsBlood concentrationsDietary exposure pathwaysElderly populationOPE exposureExcretory capacityTotal intakeExposure pathwaysSuitable biomarkersBloodConsumption frequencySurvey of airborne organic compounds in residential communities near a natural gas compressor station: Response to community concern
Vollet Martin KA, Lin EZ, Hilbert TJ, Godri Pollitt KJ, Haynes EN. Survey of airborne organic compounds in residential communities near a natural gas compressor station: Response to community concern. Environmental Advances 2021, 5: 100076. PMID: 36185588, PMCID: PMC9523739, DOI: 10.1016/j.envadv.2021.100076.Peer-Reviewed Original ResearchSemi-volatile organic compoundsVolatile organic compoundsOrganic compoundsNatural gas compressor stationGas compressor stationsAirborne organic compoundsCompressor stationsPassive air samplersAirborne organicsElevated pollutant levelsNaphthalene derivativesSumma canistersAir sampling campaignsCompoundsVOC concentrationsVOC exposureHealth effectsContaminant levelsIndoor air contaminant levelsPipeline networkGas flowAir qualitySerious health effectsAir contaminantsCommunity members' concernsUse of Untargeted Metabolomics to Explore the Air Pollution-Related Disease Continuum
Jin L, Godri Pollitt KJ, Liew Z, Rosen Vollmar AK, Vasiliou V, Johnson CH, Zhang Y. Use of Untargeted Metabolomics to Explore the Air Pollution-Related Disease Continuum. Current Environmental Health Reports 2021, 8: 7-22. PMID: 33420964, DOI: 10.1007/s40572-020-00298-x.Peer-Reviewed Original ResearchConceptsAir pollutant exposureAdverse health effectsSpecific adverse health effectsOxidative stressHealth effectsPerturbation of metabolitesAir pollution exposureUntargeted metabolomicsPollutant exposureSteroid metabolic pathwaysPregnant womenInflammatory responseDisease continuumReviewThe purposeHealth outcomesLarger sample sizeMetabolic pathwaysDisease statusPollution exposureIdentified metabolitesMetabolic perturbationsMetabolic changesSummaryOur reviewAir pollution componentsMetabolomic analysis
2020
Clinical, Epidemiological and Experimental Approaches to Assess Adverse Health Outcomes of Indoor Biomass Smoke Exposure: Conclusions from An Indo-Swedish Workshop in Mysuru, January 2020
Anand M, Larsson K, Johanson G, Phuleria HC, Ravindra PV, Ernstgård L, Mabalirajan U, Krishna M, Palmberg L, Pollitt KJG, Upadhyay S, Ganguly K. Clinical, Epidemiological and Experimental Approaches to Assess Adverse Health Outcomes of Indoor Biomass Smoke Exposure: Conclusions from An Indo-Swedish Workshop in Mysuru, January 2020. Toxics 2020, 8: 68. PMID: 32899560, PMCID: PMC7560295, DOI: 10.3390/toxics8030068.Peer-Reviewed Original ResearchAdverse health effectsHealth effectsBiomass smoke exposureAdverse health outcomesPotential protective mechanismDeterminants of healthSmoke exposureEpidemiological field studiesHealth outcomesAdult cohortDietary exposureVivo modelProtective mechanismPersonalized exposure assessmentExposure assessmentStudy objectiveNew screening methodExposureMysuruMulti-disciplinary approachFuture studiesOutcomesSpecific aimScreening methodPlausible strategyAmbient 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 ResearchConceptsOxidative 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
2019
1,4-Dioxane as an emerging water contaminant: State of the science and evaluation of research needs
Godri Pollitt K, Kim JH, Peccia J, Elimelech M, Zhang Y, Charkoftaki G, Hodges B, Zucker I, Huang H, Deziel N, Murphy K, Ishii M, Johnson CH, Boissevain A, O'Keefe E, Anastas P, Orlicky D, Thompson DC, Vasiliou V. 1,4-Dioxane as an emerging water contaminant: State of the science and evaluation of research needs. The Science Of The Total Environment 2019, 690: 853-866. PMID: 31302550, DOI: 10.1016/j.scitotenv.2019.06.443.Peer-Reviewed Original ResearchAnalytical detectionHigh priority chemicalsChemical interactionWater contaminantsEnvironmental fateChlorinated solventsDioxanePriority chemicalsMaximum contaminant levelCommon adsorptionTreatment technologiesU.S. Environmental Protection AgencyContaminantsChemical characteristicsHuman health effectsContaminant levelsProbable human carcinogenEnvironmental Protection AgencyState maximum contaminant levelWidespread contaminationHealth effectsEffective public health policiesWater supplyRoute of exposureAdsorptionBiodiesel fuels: A greener diesel? A review from a health perspective
Godri Pollitt K, Chhan D, Rais K, Pan K, Wallace JS. Biodiesel fuels: A greener diesel? A review from a health perspective. The Science Of The Total Environment 2019, 688: 1036-1055. PMID: 31726536, DOI: 10.1016/j.scitotenv.2019.06.002.Peer-Reviewed Original ResearchConceptsHealth effectsEffective public health policiesHuman exposure studiesPublic health policyEngine exhaustCardiovascular outcomesCardiopulmonary outcomesShort-term exposureExhaust exposureLung cellsHealth policyVivo studiesHealth benefitsHealth perspectiveExposure studiesHuman testingLow engineAftertreatment systemEngine characteristicsOutcomesParticulate emissionsRange of feedstocksExposureDieselAldehyde emissions
2016
Trace metal exposure is associated with increased exhaled nitric oxide in asthmatic children
Godri Pollitt KJ, Maikawa CL, Wheeler AJ, Weichenthal S, Dobbin NA, Liu L, Goldberg MS. Trace metal exposure is associated with increased exhaled nitric oxide in asthmatic children. Environmental Health 2016, 15: 94. PMID: 27586245, PMCID: PMC5009709, DOI: 10.1186/s12940-016-0173-5.Peer-Reviewed Original ResearchConceptsAsthmatic childrenIQR increaseNitric oxideEmergency room visitsExacerbation of symptomsPersonal daily exposureAcute health effectsResultsA positive associationElevated FeNOFeNO responseAirway inflammationRoom visitsMarker of trafficDaily exposureAsthma experienceConsecutive daysFeNOChildren's exposureHealth effectsPersonal samplesChildrenPositive associationExposureFine particulate matterAmbient PM2.5
2013
PM2.5, oxidant defence and cardiorespiratory health: a review
Weichenthal SA, Godri Pollitt K, Villeneuve PJ. PM2.5, oxidant defence and cardiorespiratory health: a review. Environmental Health 2013, 12: 40. PMID: 23641908, PMCID: PMC3652795, DOI: 10.1186/1476-069x-12-40.Peer-Reviewed Original ResearchConceptsHealth effectsOxidant defenseAnti-oxidant related genesFurther evaluationOxidative stressCardiorespiratory health effectsLittle epidemiological evidenceAnti-oxidant supplementationPotential modifying roleAmbient air quality managementAcute health effectsImpact of polymorphismsHeart rate variabilityCardiorespiratory outcomesChronic outcomesRespiratory outcomesEpidemiological evidenceCardiorespiratory healthPM2.5 exposureHealth outcomesRate variabilityModifying roleExposure metricsOutcomesCommon outcome