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Showing 1–8 of 8 results
Advanced filters: Author: Jonathan P.D. Abbatt Clear advanced filters

  • Organic films containing unsaturated lipids are widespread, but their oxidation pathways remain poorly explored under indoor environmental conditions. Here, the authors demonstrate that UVA radiation and radical exposure drive rapid autoxidation of thin films of methyl linolenate and canola oil, primarily producing organic hydroperoxides. This autoxidation chemistry occurs under dark indoor conditions.

    • Xinke Wang
    • William D. Fahy
    • Jonathan P. D. Abbatt
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • It is shown that long-lived reactive oxygen intermediates are formed in heterogeneous reactions of ozone with aerosol particles, resolving apparent discrepancies between earlier quantum mechanical calculations and kinetic experiments. These intermediates play a key role in the chemical transformations and adverse health effects of toxic and allergenic air particulates.

    • Manabu Shiraiwa
    • Yulia Sosedova
    • Ulrich Pöschl
    Research
    Nature Chemistry
    Volume: 3, P: 291-295

  • Atmospheric aerosol particles can significantly influence the climate system. Analyses of observations and observation-based modelling data reveal that biogenic aerosol emissions soar in response to warming, exerting a cooling effect in a negative feedback loop.

    • Pauli Paasonen
    • Ari Asmi
    • Markku Kulmala
    Research
    Nature Geoscience
    Volume: 6, P: 438-442

  • Concentration of air pollutants has generally been considered uniform in indoor environments. Here, the authors show that chlorinated cleaning products generate concentration gradients of pollutants due to photochemical reactions in sunlit areas, requiring a finer assessment of human exposure to these contaminants.

    • Pascale S. J. Lakey
    • Youngbo Won
    • Manabu Shiraiwa
    ResearchOpen Access
    Communications Chemistry
    Volume: 4, P: 1-7

  • Although it is known that soot particles are emitted in large quantities to the atmosphere, our understanding of their environmental effects is limited. Here, the authors study hydrocarbon soot particles during oxidation by ozone, suggesting that this process leads to increases in redox activity.

    • María Antiñolo
    • Megan D. Willis
    • Jonathan P.D. Abbatt
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Ice nucleating particles impact the global climate by altering cloud formation and properties, but the sources of these emissions are not completely characterized. Here, the authors show that secondary organic aerosols formed from the oxidation of organic gases in the atmosphere can be a source of ice nucleating particles.

    • Martin J. Wolf
    • Yue Zhang
    • Daniel J. Cziczo
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • The presence of ice in clouds can influence cloud lifetime, precipitation and radiative properties; here, organic material at the sea–air interface, possibly associated with phytoplankton cell exudates, is shown to nucleate ice under conditions relevant for ice cloud formation in the atmospheric environment.

    • Theodore W. Wilson
    • Luis A. Ladino
    • Benjamin J. Murray
    Research
    Nature
    Volume: 525, P: 234-238