• Publications
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The formation, properties and impact of secondary organic aerosol: current and emerging issues
Secondary organic aerosol (SOA) accounts for a significant fraction of ambient tropospheric aerosol and a detailed knowledge of the formation, properties and transformation of SOA is thereforeExpand
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  • 85
  • Open Access
Heterogeneous Atmospheric Aerosol Production by Acid-Catalyzed Particle-Phase Reactions
According to evidence from our laboratory, acidic surfaces on atmospheric aerosols lead to potentially multifold increases in secondary organic aerosol (SOA) mass. Experimental observations using aExpand
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Formation of oligomers in secondary organic aerosol.
The formation of oligomeric molecules, an important step in secondary organic aerosol production, is reported. Aerosols were produced by the reaction of alpha-pinene and ozone in the presence of acidExpand
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Characterization of secondary aerosol from the photooxidation of toluene in the presence of NOx and 1-propene.
  • M. Jang, R. Kamens
  • Chemistry, Medicine
  • Environmental science & technology
  • 18 August 2001
Secondary organic aerosol (SOA) from the photooxidation of toluene in a hydrocarbon-NOx mixture was generated in a 190 m3 outdoor Teflon chamber. The photooxidation reaction of toluene in the gasExpand
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Light absorption coefficient measurement of SOA using a UV–Visible spectrometer connected with an integrating sphere
Abstract A method for measuring an aerosol light absorption coefficient ( B a ) has been developed using a conventional UV–visible spectrometer equipped with an integrating sphere covering a wideExpand
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Atmospheric secondary aerosol formation by heterogeneous reactions of aldehydes in the presence of a sulfuric acid aerosol catalyst.
  • M. Jang, R. Kamens
  • Chemistry, Medicine
  • Environmental science & technology
  • 10 November 2001
Particle growth by the heterogeneous reaction of aldehydes was evaluated in 0.5 m3 Teflon film bags under darkness in the presence of background seed aerosols. The aldehydes used were as follows:Expand
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Aerosol formation from the reaction of α-pinene and ozone using a gas- phase kinetics-aerosol partitioning model
As a result of new aerosol compositional information, we have implemented an exploratory model for predicting aerosol yields from the reaction of α-pinene with ozone in the atmosphere. This newExpand
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  • Open Access
Dynamic light absorption of biomass-burning organic carbon photochemically aged under natural sunlight
Abstract. Wood-burning aerosol produced under smoldering conditions was photochemically aged with different relative humidity (RH) and NOx conditions using a 104 m3 dual outdoor chamber under naturalExpand
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  • Open Access
Particle growth by acid-catalyzed heterogeneous reactions of organic carbonyls on preexisting aerosols.
Aerosol growth by the heterogeneous reactions of different aliphatic and alpha,beta-unsaturated carbonyls in the presence/absence of acidified seed aerosols was studied in a 2 m long flow reactorExpand
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Effects of particle acidity and UV light on secondary organic aerosol formation from oxidation of aromatics in the absence of NOx
Abstract Recent laboratory observations have shown that particle acidity increases secondary organic aerosol (SOA) yields. However, these studies have mainly focused on biogenic precursors such asExpand
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