Organic peroxides in aerosol: key reactive intermediates for multiphase processes in the atmosphere

S Wang, Y Zhao, AWH Chan, M Yao, Z Chen… - Chemical …, 2023 - ACS Publications
Organic peroxides (POs) are organic molecules with one or more peroxide (− O–O−)
functional groups. POs are commonly regarded as chemically labile termination products …

Highly oxygenated organic molecules (HOM) from gas-phase autoxidation involving peroxy radicals: A key contributor to atmospheric aerosol

F Bianchi, T Kurtén, M Riva, C Mohr… - Chemical …, 2019 - ACS Publications
Highly oxygenated organic molecules (HOM) are formed in the atmosphere via autoxidation
involving peroxy radicals arising from volatile organic compounds (VOC). HOM condense on …

Recent advances in understanding secondary organic aerosol: Implications for global climate forcing

M Shrivastava, CD Cappa, J Fan… - Reviews of …, 2017 - Wiley Online Library
Anthropogenic emissions and land use changes have modified atmospheric aerosol
concentrations and size distributions over time. Understanding preindustrial conditions and …

Urban pollution greatly enhances formation of natural aerosols over the Amazon rainforest

M Shrivastava, MO Andreae, P Artaxo… - Nature …, 2019 - nature.com
One of the least understood aspects in atmospheric chemistry is how urban emissions
influence the formation of natural organic aerosols, which affect Earth's energy budget. The …

Monoterpenes are the largest source of summertime organic aerosol in the southeastern United States

H Zhang, LD Yee, BH Lee, MP Curtis… - Proceedings of the …, 2018 - pnas.org
The chemical complexity of atmospheric organic aerosol (OA) has caused substantial
uncertainties in understanding its origins and environmental impacts. Here, we provide …

Fine particle pH and the partitioning of nitric acid during winter in the northeastern United States

H Guo, AP Sullivan, P Campuzano‐Jost… - Journal of …, 2016 - Wiley Online Library
Particle pH is a critical but poorly constrained quantity that affects many aerosol processes
and properties, including aerosol composition, concentrations, and toxicity. We assess PM1 …

Decreases in Epoxide-Driven Secondary Organic Aerosol Production under Highly Acidic Conditions: The Importance of Acid–Base Equilibria

ME Cooke, NC Armstrong… - Environmental …, 2024 - ACS Publications
Isoprene has the highest atmospheric emissions of any nonmethane hydrocarbon, and
isoprene epoxydiols (IEPOX) are well-established oxidation products and the primary …

On the implications of aerosol liquid water and phase separation for organic aerosol mass

HOT Pye, BN Murphy, L Xu, NL Ng… - Atmospheric …, 2017 - acp.copernicus.org
Organic compounds and liquid water are major aerosol constituents in the southeast United
States (SE US). Water associated with inorganic constituents (inorganic water) can …

Increasing isoprene epoxydiol-to-inorganic sulfate aerosol ratio results in extensive conversion of inorganic sulfate to organosulfur forms: implications for aerosol …

M Riva, Y Chen, Y Zhang, Z Lei, NE Olson… - … science & technology, 2019 - ACS Publications
Acid-driven multiphase chemistry of isoprene epoxydiols (IEPOX), key isoprene oxidation
products, with inorganic sulfate aerosol yields substantial amounts of secondary organic …

Joint impacts of acidity and viscosity on the formation of secondary organic aerosol from isoprene epoxydiols (IEPOX) in phase separated particles

Y Zhang, Y Chen, Z Lei, NE Olson, M Riva… - ACS Earth and Space …, 2019 - ACS Publications
Isoprene-derived secondary organic aerosol (SOA) is mainly formed through acid-catalyzed
reactive uptake of isoprene-derived epoxydiols (IEPOX) onto sulfate aerosol particles. The …