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
2018
Carbonaceous aerosol sampling of gasoline direct injection engine exhaust with an integrated organic gas and particle sampler
Zimmerman N, Rais K, Jeong CH, Pant P, Delgado-Saborit JM, Wallace JS, Evans GJ, Brook JR, Godri Pollitt KJ. Carbonaceous aerosol sampling of gasoline direct injection engine exhaust with an integrated organic gas and particle sampler. The Science Of The Total Environment 2018, 652: 1261-1269. PMID: 30586812, DOI: 10.1016/j.scitotenv.2018.10.332.Peer-Reviewed Original ResearchParticle-phase organic carbonIntegrated organic gasHighway cruiseThree-way catalyst conversion efficiencyConversion efficiencyOrganic gasCatalyst conversion efficiencyCruise operating conditionsCold start operationCold startPAH emission factorsParticle samplerGasoline direct injection engine exhaustThree-way catalystOperating temperatureOperating conditionsStart operationExhaust particulate matterEngine exhaustDominant polycyclic aromatic hydrocarbonsExhaust samplesSVOC concentrationsParticle phaseParticulate matterEmission factors