Drew Gentner
ProfessorAbout
Research
Publications
2026
Fungal emissions from air conditioning cooling coils
Luhung I, Bakker A, Angel D, Sheu R, Gomez O, Siegel J, Mendell M, Gentner D, Hernandez M, Peccia J. Fungal emissions from air conditioning cooling coils. Indoor Environments 2026, 3: 100162. DOI: 10.1016/j.indenv.2026.100162.Peer-Reviewed Original ResearchSize-resolved aerosol concentrationsFungal taxaAerosol concentrationsAerosol sizeAverage emission rateCool seasonBiological particlesFungal sporesEmission ratesFungiMalassezia fungiAirborne fungiTaxaMicrobial growthFungal emissionsAirEcological analysisBioaerosolsAerosolHr-1AspergillusSeasonPenicilliumCladosporiumSporesUnified Calibration and Spatial Mapping of Fine Particulate Matter Data From Multiple Low‐Cost Air Pollution Sensor Networks in Baltimore, Maryland
Heffernan C, Koehler K, Gentner D, Peng R, Datta A. Unified Calibration and Spatial Mapping of Fine Particulate Matter Data From Multiple Low‐Cost Air Pollution Sensor Networks in Baltimore, Maryland. Environmetrics 2026, 37 DOI: 10.1002/env.70100.Peer-Reviewed Original Research
2025
Sources and aging of individual atmospheric particles in New York City: Integrating novel functional group data from optical photothermal spectroscopy with elemental and mass spectrometry data
Xiao Y, Costa E, He X, Rogers M, Mirrielees J, Hass-Mitchell T, Joo T, Nault B, Gentner D, O’Brien R, Ault A. Sources and aging of individual atmospheric particles in New York City: Integrating novel functional group data from optical photothermal spectroscopy with elemental and mass spectrometry data. Aerosol Science And Technology 2025, 60: 635-652. PMID: 41103308, PMCID: PMC12525327, DOI: 10.1080/02786826.2025.2555886.Peer-Reviewed Original ResearchElevated concentrations of fine particulate matterCase study daysSubmicron aerosol compositionConcentrations of fine particulate matterSecondary aerosol formationIndividual atmospheric particlesSingle particle dataElevated concentrationsSource of particlesFine particulate matterAerosol compositionBiogenic emissionsAerosol formationAtmospheric particlesCarbonaceous particlesGaseous precursorsAir qualityUrban megacitiesParticulate matterPM2.5Particle dataUrban areasChemical fingerprintsPrimary sourcesFunctional group dataChemical Composition of Fresh and Aged Asphalt-Related Organic Aerosols: From Ambient Observations to Laboratory Experiments
Khare P, Machesky J, Williams L, Humes M, Fortner E, Canagaratna M, Krechmer J, Lambe A, Presto A, Gentner D. Chemical Composition of Fresh and Aged Asphalt-Related Organic Aerosols: From Ambient Observations to Laboratory Experiments. ACS ES&T Air 2025, 2: 446-455. DOI: 10.1021/acsestair.4c00193.Peer-Reviewed Original ResearchOrganic aerosolSecondary OA formationOxidation flow reactorAerosol mass spectrometryGas-phase emissionsReactive organic compoundsUrban OAAged OAAmbient observationsOA factorsOA formationAmbient measurementsDegree of oxidative agingChemical compositionOA concentrationsSource factorsAerosolLaboratory measurementsLaboratory observationsLaboratory experimentsOrganic compoundsDegree of oxidationAmbient airEnvironmental chamberOxidative agingHumid Summers Promote Urban Aqueous‐Phase Production of Oxygenated Organic Aerosol in the Northeastern United States
Rogers M, Joo T, Hass‐Mitchell T, Canagaratna M, Campuzano‐Jost P, Sueper D, Tran M, Machesky J, Roscioli J, Jimenez J, Krechmer J, Lambe A, Nault B, Gentner D. Humid Summers Promote Urban Aqueous‐Phase Production of Oxygenated Organic Aerosol in the Northeastern United States. Geophysical Research Letters 2025, 52 DOI: 10.1029/2024gl112005.Peer-Reviewed Original ResearchSecondary organic aerosolOxygenated organic aerosolSecondary inorganic aerosolsAerosol liquid waterAqueous-phase chemistryInorganic aerosol concentrationsOrganic aerosolSOA productionInorganic aerosolsAerosol concentrationsGround‐based measurements of aerosolsUrban secondary organic aerosolsSecondary organic aerosol contributionGas-phase organic compoundsAqueous secondary organic aerosolSecondary inorganic aerosol concentrationsRelative humidityGas-phase nitrogen oxidesLiquid waterWater-soluble organic compoundsMeasurements of aerosolsOrganic aerosol productionGround-based measurementsAqueous-phase processingAqueous-phase reactionsGas-Phase Nitrate Radical Production Using Irradiated Ceric Ammonium Nitrate: Insights into Secondary Organic Aerosol Formation from Biogenic and Biomass Burning Precursors
Lambe A, Glenn C, Avery A, Xu T, Ditto J, Canagaratna M, Gentner D, Docherty K, Jaoui M, Zaks J, Bertram A, Ng N, Liu P. Gas-Phase Nitrate Radical Production Using Irradiated Ceric Ammonium Nitrate: Insights into Secondary Organic Aerosol Formation from Biogenic and Biomass Burning Precursors. ACS Earth And Space Chemistry 2025, 9: 545-559. PMID: 40546264, PMCID: PMC12180755, DOI: 10.1021/acsearthspacechem.4c00293.Peer-Reviewed Original ResearchSecondary organic aerosolOxygenated volatile organic compoundsOxidation flow reactorVolatile organic compoundsSecondary organic aerosol formationSecondary organic aerosol yieldMaximum SOA yieldsBiomass burning sourcesOrganic aerosol formationNitrate radical productionOxidation of volatile organic compoundsOxygen-to-carbon ratioHydroxyl radical chemistryOrganic compoundsSOA yieldsNO3 oxidationOrganic aerosolNO3 chemistryBurning sourcesBiogenic sourcesAerosol formationNO3 sourcesElement ratiosNitrate radicalAtmospheric oxidationA 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. 2025 DOI: 10.5194/egusphere-egu24-4712.Peer-Reviewed Original ResearchReagent 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 gasOrganic carbon dry deposition outpaces atmospheric processing with unaccounted implications for air quality and freshwater ecosystems
Liggio J, Makar P, Li S, Hayden K, Darlington A, Moussa S, Wren S, Staebler R, Wentzell J, Wheeler M, Leithead A, Mittermeier R, Narayan J, Wolde M, Blanchard D, Aherne J, Kirk J, Lee C, Stroud C, Zhang J, Akingunola A, Katal A, Cheung P, Ghahreman R, Majdzadeh M, He M, Ditto J, Gentner D. Organic carbon dry deposition outpaces atmospheric processing with unaccounted implications for air quality and freshwater ecosystems. Science Advances 2025, 11: eadr0259. PMID: 39752507, PMCID: PMC11698116, DOI: 10.1126/sciadv.adr0259.Peer-Reviewed Original ResearchDry depositionFreshwater ecosystemsOrganic carbonInclusion of dry depositionRegional air quality modelAir quality modelsOrganic carbon deposition rateReactive organic carbonReactive carbonLarge-scale estimatesChemical oxidation processAir qualityAtmospheric processesTerrestrial sourcesQuality modelEnvironmental systemsCarbon balanceDeposition algorithmEcosystemDepositionFluxOxidation processCarbonCarbon deposition rateDeposition rate
2024
Aged 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, 11: 1340-1347. PMID: 39678709, PMCID: PMC11636238, DOI: 10.1021/acs.estlett.4c00785.Peer-Reviewed Original ResearchWildfire 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, 194: 185-194. PMID: 38960671, PMCID: PMC11735973, DOI: 10.1093/aje/kwae171.Peer-Reviewed Original ResearchComparative 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 series
News
News
- March 26, 2026Source: CASE
Connecticut Academy of Science and Engineering Elects 36 New Members in 2026
- April 04, 2020Source: Yale SEAS
To Relieve a Critical Shortage, a Way to Test Face Masks
- April 03, 2020Source: Yale School of Engineering & Applied Science
To Relieve a Critical Shortage, a Way to Test Face Masks