Highly oxygenated multifunctional compounds in α-pinene secondary organic aerosol

X Zhang, AT Lambe, MA Upshur… - … science & technology, 2017 - ACS Publications
Highly oxygenated multifunctional organic compounds (HOMs) originating from biogenic
emissions constitute a widespread source of organic aerosols in the pristine atmosphere …

Characterization of highly oxidized molecules in fresh and aged biogenic secondary organic aerosol

P Tu, WA Hall IV, MV Johnston - Analytical chemistry, 2016 - ACS Publications
In this work, highly oxidized multifunctional molecules (HOMs) in fresh and aged secondary
organic aerosol (SOA) derived from biogenic precursors are characterized with high …

Phase partitioning and volatility of secondary organic aerosol components formed from -pinene ozonolysis and OH oxidation: the importance of accretion products …

FD Lopez-Hilfiker, C Mohr, M Ehn… - Atmospheric …, 2015 - acp.copernicus.org
We measured a large suite of gas-and particle-phase multi-functional organic compounds
with a Filter Inlet for Gases and AEROsols (FIGAERO) coupled to a high-resolution time-of …

Functional group composition of secondary organic aerosol formed from ozonolysis of α-pinene under high VOC and autoxidation conditions

MS Claflin, JE Krechmer, W Hu… - ACS Earth and Space …, 2018 - ACS Publications
The formation of secondary organic aerosol (SOA) from α-pinene ozonolysis has been
widely studied, with a recent focus on contributions from highly oxidized multifunctional …

Synergistic O3 + OH oxidation pathway to extremely low-volatility dimers revealed in β-pinene secondary organic aerosol

CM Kenseth, Y Huang, R Zhao… - Proceedings of the …, 2018 - National Acad Sciences
Dimeric compounds contribute significantly to the formation and growth of atmospheric
secondary organic aerosol (SOA) derived from monoterpene oxidation. However, the …

A combined gas- and particle-phase analysis of highly oxygenated organic molecules (HOMs) from -pinene ozonolysis

J Zhao, E Häkkinen, F Graeffe… - Atmospheric …, 2023 - acp.copernicus.org
Highly oxygenated organic molecules (HOMs) are important for the formation of secondary
organic aerosol (SOA), which poses serious health risks and exerts great influence on …

Highly oxidized multifunctional organic compounds observed in tropospheric particles: A field and laboratory study

A Mutzel, L Poulain, T Berndt, Y Iinuma… - … science & technology, 2015 - ACS Publications
Very recent studies have reported the existence of highly oxidized multifunctional organic
compounds (HOMs) with O/C ratios greater than 0.7. Because of their low vapor pressure …

Molecular composition of fresh and aged secondary organic aerosol from a mixture of biogenic volatile compounds: a high-resolution mass spectrometry study

I Kourtchev, JF Doussin, C Giorio… - Atmospheric …, 2015 - acp.copernicus.org
Field observations over the past decade indicate that a significant fraction of organic aerosol
in remote areas may contain highly oxidized molecules. Aerosol processing or further …

Rapid aqueous-phase photooxidation of dimers in the α-pinene secondary organic aerosol

R Zhao, D Aljawhary, AKY Lee… - Environmental Science & …, 2017 - ACS Publications
Chemical complexity significantly hinders our understanding of the formation and evolution
of secondary organic aerosol (SOA), which is known to have impacts on air quality and …

Quantitative constraints on autoxidation and dimer formation from direct probing of monoterpene-derived peroxy radical chemistry

Y Zhao, JA Thornton, HOT Pye - Proceedings of the …, 2018 - National Acad Sciences
Organic peroxy radicals (RO2) are key intermediates in the atmospheric degradation of
organic matter and fuel combustion, but to date, few direct studies of specific RO2 in …