2025
Humid 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 oxidation
2024
Secondary 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 ResearchNitrogen-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
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