Real-time measurements of secondary organic aerosol formation and aging from ambient air in an oxidation flow reactor in the Los Angeles area

AM Ortega, PL Hayes, Z Peng, BB Palm… - Atmospheric …, 2016 - acp.copernicus.org
Field studies in polluted areas over the last decade have observed large formation of
secondary organic aerosol (SOA) that is often poorly captured by models. The study of SOA …

Process-level modeling can simultaneously explain secondary organic aerosol evolution in chambers and flow reactors

Y He, AT Lambe, JH Seinfeld, CD Cappa… - Environmental …, 2022 - ACS Publications
Secondary organic aerosol (SOA) data gathered in environmental chambers (ECs) have
been used extensively to develop parameters to represent SOA formation and evolution …

Aging of biogenic secondary organic aerosol via gas-phase OH radical reactions

NM Donahue, KM Henry, TF Mentel… - Proceedings of the …, 2012 - National Acad Sciences
The Multiple Chamber Aerosol Chemical Aging Study (MUCHACHAS) tested the hypothesis
that hydroxyl radical (OH) aging significantly increases the concentration of first-generation …

[HTML][HTML] Influence of relative humidity on the heterogeneous oxidation of secondary organic aerosol

Z Li, KA Smith, CD Cappa - Atmospheric Chemistry and Physics, 2018 - acp.copernicus.org
Secondary organic aerosol (SOA) is a complex mixture of hundreds of semi-volatile to
extremely low-volatility organic compounds that are chemically processed in the …

Seasonally varying secondary organic aerosol formation from in-situ oxidation of near-highway air

PK Saha, SM Reece, AP Grieshop - Environmental science & …, 2018 - ACS Publications
The extent to which motor vehicles contribute to ambient secondary organic aerosol (SOA)
remains uncertain. Here, we present in situ measurements of SOA formation at a near …

[HTML][HTML] Secondary organic aerosol formation from the laboratory oxidation of biomass burning emissions

CY Lim, DH Hagan, MM Coggon… - Atmospheric …, 2019 - acp.copernicus.org
Biomass burning is an important source of aerosol and trace gases to the atmosphere, but
how these emissions change chemically during their lifetimes is not fully understood. As part …

Intermediate-volatility organic compounds: A potential source of ambient oxidized organic aerosol

AA Presto, MA Miracolo, JH Kroll… - … science & technology, 2009 - ACS Publications
Smog chamber experiments were conducted to investigate secondary organic aerosol
(SOA) formation from intermediate volatility and semivolatile organic compounds (IVOCs …

Exploring summertime organic aerosol formation in the eastern United States using a regional‐scale budget approach and ambient measurements

BN Murphy, SN Pandis - Journal of Geophysical Research …, 2010 - Wiley Online Library
We present a new method for estimating the overall organic aerosol (OA) formation rate at
the regional scale using a chemical transport model (CTM), PMCAMx‐2008, and an …

[HTML][HTML] Secondary organic aerosol formation from ambient air in an oxidation flow reactor in central Amazonia

BB Palm, SS de Sá, DA Day… - Atmospheric …, 2018 - acp.copernicus.org
Secondary organic aerosol (SOA) formation from ambient air was studied using an oxidation
flow reactor (OFR) coupled to an aerosol mass spectrometer (AMS) during both the wet and …

Secondary organic aerosol formation from in situ OH, O3, and NO3 oxidation of ambient forest air in an oxidation flow reactor

BB Palm, P Campuzano-Jost, DA Day… - Atmospheric …, 2017 - acp.copernicus.org
Ambient pine forest air was oxidized by OH, O 3, or NO 3 radicals using an oxidation flow
reactor (OFR) during the BEACHON-RoMBAS (Bio–hydro–atmosphere interactions of …