Real-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 ResearchOrganic 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 restaurantsIncreasing 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 ResearchOxygenated 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 change