Drew Gentner
Associate Professor TenureDownloadHi-Res Photo
About
Titles
Associate Professor Tenure
Appointments
Chemical and Environmental Engineering
Associate Professor TenurePrimarySchool of the Environment
Associate Professor on TermSecondary
Other Departments & Organizations
Research
Research at a Glance
Yale Co-Authors
Frequent collaborators of Drew Gentner's published research.
Michelle L. Bell, PhD
Publications
2024
A Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer for Versatile Measurements of Gas and Particle Phase Organics
Canagaratna M, Stark H, Williams L, Alton M, Joo T, Lopez-Hilfiker F, Avery A, Pospisilova V, Gentner D, Lambe A. A Bipolar Multi-Reagent Chemical Ionization Mass Spectrometer for Versatile Measurements of Gas and Particle Phase Organics. 2024 DOI: 10.5194/egusphere-egu24-4712.Peer-Reviewed Original ResearchConceptsReagent ionsMass spectrometerOrganic speciesIonization mass spectrometerChemical ionization mass spectrometerAcetone dimerC6H6+Products of atmospheric oxidationAerosol composition measurementsEddy correlation measurementsMethyl amineCombinations of ionsNegative ionsReduced nitrogen speciesDetection of trendsMeasurements of gasIonsField campaignUrban emissionsBiological emissionsAerosol inletAtmospheric oxidationNitric acidDimethyl sulfideSimultaneous gasAged and Obscured Wildfire Smoke Associated with Downwind Health Risks
Joo T, Rogers M, Soong C, Hass-Mitchell T, Heo S, Bell M, Ng N, Gentner D. Aged and Obscured Wildfire Smoke Associated with Downwind Health Risks. Environmental Science & Technology Letters 2024 DOI: 10.1021/acs.estlett.4c00785.Peer-Reviewed Original ResearchAltmetricConceptsWildfire smokeSmoke episodeHealth risksWildfire smoke episodeHealth risk assessmentAerosol Chemical Speciation MonitorAerosol mass spectrometryPM2.5 contributionsPotential health effectsSource apportionmentWildfire impactsWildfire activityPM2.5 measurementsPM2.5 monitoringDays of transportParticulate matterPM2.5Air pollutionSpeciation monitorElevated health risksContinental influencePeak episodesSmoke transportClimate changeChemical agingA causal machine-learning framework for studying policy impact on air pollution: a case study in COVID-19 lockdowns
Heffernan C, Koehler K, Zamora M, Buehler C, Gentner D, Peng R, Datta A. A causal machine-learning framework for studying policy impact on air pollution: a case study in COVID-19 lockdowns. American Journal Of Epidemiology 2024, kwae171. PMID: 38960671, DOI: 10.1093/aje/kwae171.Peer-Reviewed Original ResearchAltmetricConceptsComparative interrupted time seriesAir pollutionCausal effectsAir pollution time seriesPollution time seriesTime seriesImpact of policy interventionsEnvironmental policyEastern USNatural experimentPolicy impactPolicy interventionsEmpirical validationPollutionIndustrial facilitiesFalse effectsBaseline yearNO2PolicyImpact of COVID-19Interrupted time seriesReal-world observations of reduced nitrogen and ultrafine particles in commercial cooking organic aerosol emissions
Kim S, Machesky J, Gentner D, Presto A. Real-world observations of reduced nitrogen and ultrafine particles in commercial cooking organic aerosol emissions. Atmospheric Chemistry And Physics 2024, 24: 1281-1298. DOI: 10.5194/acp-24-1281-2024.Peer-Reviewed Original ResearchCitationsAltmetricConceptsOrganic aerosolAerosol mass spectraParticle number concentrationFine particulate matterUltrafine particlesSize distribution measurementsOA massNumber concentrationPM massUrban backgroundMobile laboratoryParticulate matterRestaurant emissionsPlumeAerosolMass spectral differencesReal world observationsPM sizeUrban ultrafine particlesReduced nitrogenOxygen-containing functional groupsDistribution measurementsSpectral differencesPM2.5Sampled restaurantsTotal organic carbon measurements reveal major gaps in petrochemical emissions reporting
He M, Ditto J, Gardner L, Machesky J, Hass-Mitchell T, Chen C, Khare P, Sahin B, Fortner J, Plata D, Drollette B, Hayden K, Wentzell J, Mittermeier R, Leithead A, Lee P, Darlington A, Wren S, Zhang J, Wolde M, Moussa S, Li S, Liggio J, Gentner D. Total organic carbon measurements reveal major gaps in petrochemical emissions reporting. Science 2024, 383: 426-432. PMID: 38271520, DOI: 10.1126/science.adj6233.Peer-Reviewed Original ResearchCitationsAltmetricConceptsOrganic carbon emissionsOrganic carbon measurementsImpact of anthropogenic emissionsCarbon measurementsAircraft-based measurementsSecondary air pollutantsOrganic compoundsIntermediate-volatilityAnthropogenic emissionsPetrochemical emissionsSemivolatile organic compoundsVolatile organic compoundsMass closureCarbon emissionsAir pollutionChemical featuresCarbon monitoringEmissions reportingEmissionCanadaPetroleumPollutionObservationsIncreasing Contributions of Temperature-Dependent Oxygenated Organic Aerosol to Summertime Particulate Matter in New York City
Hass-Mitchell T, Joo T, Rogers M, Nault B, Soong C, Tran M, Seo M, Machesky J, Canagaratna M, Roscioli J, Claflin M, Lerner B, Blomdahl D, Misztal P, Ng N, Dillner A, Bahreini R, Russell A, Krechmer J, Lambe A, Gentner D. Increasing Contributions of Temperature-Dependent Oxygenated Organic Aerosol to Summertime Particulate Matter in New York City. ACS ES&T Air 2024, 1: 113-128. PMID: 39309979, PMCID: PMC11415007, DOI: 10.1021/acsestair.3c00037.Peer-Reviewed Original ResearchCitationsAltmetricConceptsOxygenated organic aerosolCooking-related organic aerosolHydrocarbon-like organic aerosolOrganic aerosolParticulate matterAerosol source apportionmentFraction of OAAverage PM2.5 concentrationPositive matrix factorizationSpeciated particulate matterAir quality policiesOOA factorsAerosol compositionAerosol componentsSummertime concentrationsGas-phase measurementsObservation networkPM2.5 concentrationsSource apportionmentSecondary OASpatiotemporal variationsHeat eventsAerosolSummertimeClimate changeSecondary Brown Carbon Formation From Photooxidation of Furans From Biomass Burning
Joo T, Machesky J, Zeng L, Hass‐Mitchell T, Weber R, Gentner D, Ng N. Secondary Brown Carbon Formation From Photooxidation of Furans From Biomass Burning. Geophysical Research Letters 2024, 51 DOI: 10.1029/2023gl104900.Peer-Reviewed Original ResearchCitationsAltmetricConceptsNitrogen-containing organic compoundsBrown carbon formationSecondary organic aerosolSecondary Brown CarbonOrganic compoundsBrown carbonCarbon formationAmmonium sulfate seed aerosolSulfate seed aerosolOptical propertiesReduced nitrogen speciesVolatile organic compoundsAccretion reactionsBiomass burningAmmonium sulfate aerosolsFurfural oxidationBrC formationSeed aerosolAtmospheric oxidantsOrganic aerosolPhotochemical agingGas-phase carbonHigh reactivityAmbient biomassPhotooxidation
2023
A DYNAMIC SPATIAL FILTERING APPROACH TO MITIGATE UNDERESTIMATION BIAS IN FIELD CALIBRATED LOW-COST SENSOR AIR POLLUTION DATA.
Heffernan C, Peng R, Gentner D, Koehler K, Datta A. A DYNAMIC SPATIAL FILTERING APPROACH TO MITIGATE UNDERESTIMATION BIAS IN FIELD CALIBRATED LOW-COST SENSOR AIR POLLUTION DATA. The Annals Of Applied Statistics 2023, 17: 3056-3087. PMID: 38646662, PMCID: PMC11031266, DOI: 10.1214/23-aoas1751.Peer-Reviewed Original ResearchAltmetricTotal organic carbon measurements reveal large discrepancies in reported petrochemical emissions
He M, Ditto J, Gardner L, Machesky J, Hass-Mitchell T, Chen C, Khare P, Sahin B, Fortner J, Hayden K, Wentzell J, Mittermeier R, Leithead A, Lee P, Darlington A, Zhang J, Moussa S, Li S, Liggio J, Gentner D. Total organic carbon measurements reveal large discrepancies in reported petrochemical emissions. 2023 DOI: 10.5194/egusphere-egu23-2923.Peer-Reviewed Original ResearchConceptsCarbon measurementsOrganic carbon measurementsSecondary organic aerosol formationMixtures of organic carbonOrganic aerosol formationAircraft-based measurementsSemi-volatile organic compoundsOil sands facilitiesOil sandsAircraft campaignAerosol formationAnthropogenic emissionsPetrochemical emissionsVolatility distributionNatural gas extractionCanadian oil sandsMissing emissionsOil sands operationsWaste management practicesOrganic carbonAir qualitySpring-summerVolatility rangeGas extractionSurface mining