Proton-transfer-reaction mass spectrometry: applications in atmospheric sciences

B Yuan, AR Koss, C Warneke, M Coggon… - Chemical …, 2017 - ACS Publications
Proton-transfer-reaction mass spectrometry (PTR-MS) has been widely used to study the
emissions, distributions, and chemical evolution of volatile organic compounds (VOCs) in …

Aging effects on biomass burning aerosol mass and composition: A critical review of field and laboratory studies

AL Hodshire, A Akherati, MJ Alvarado… - … science & technology, 2019 - ACS Publications
Biomass burning is a major source of atmospheric particulate matter (PM) with impacts on
health, climate, and air quality. The particles and vapors within biomass burning plumes …

Unwanted indoor air quality effects from using ultraviolet C lamps for disinfection

F Graeffe, Y Luo, Y Guo, M Ehn - Environmental Science & …, 2023 - ACS Publications
Ultraviolet germicidal irradiation (UVGI) is known to inactivate various viruses and bacteria,
including SARS-CoV-2, and is widely applied especially in medical facilities. This …

[HTML][HTML] Secondary organic aerosol production from local emissions dominates the organic aerosol budget over Seoul, South Korea, during KORUS-AQ

BA Nault, P Campuzano-Jost, DA Day… - Atmospheric …, 2018 - acp.copernicus.org
Organic aerosol (OA) is an important fraction of submicron aerosols. However, it is
challenging to predict and attribute the specific organic compounds and sources that lead to …

Molecular analysis of secondary brown carbon produced from the photooxidation of naphthalene

K Siemens, A Morales, Q He, C Li… - … science & technology, 2022 - ACS Publications
We investigate the chemical composition of organic light-absorbing components, also
known as brown carbon (BrC) chromophores, formed in a proxy of anthropogenic secondary …

Radical chemistry in oxidation flow reactors for atmospheric chemistry research

Z Peng, JL Jimenez - Chemical Society Reviews, 2020 - pubs.rsc.org
Environmental chambers have been playing a vital role in atmospheric chemistry research
for seven decades. In last decade, oxidation flow reactors (OFR) have emerged as a …

Impact of thermal decomposition on thermal desorption instruments: advantage of thermogram analysis for quantifying volatility distributions of organic species

H Stark, RLN Yatavelli, SL Thompson… - … science & technology, 2017 - ACS Publications
We present results from a high-resolution chemical ionization time-of-flight mass
spectrometer (HRToF-CIMS), operated with two different thermal desorption inlets, designed …

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 …

Oxidation flow reactor results in a Chinese megacity emphasize the important contribution of S/IVOCs to ambient SOA formation

W Hu, H Zhou, W Chen, Y Ye, T Pan… - Environmental …, 2021 - ACS Publications
Oxygenated volatile organic compounds (OVOCs) and secondary organic aerosol (SOA)
formation potential of ambient air in Guangzhou, China was investigated using a field …

Chemical evolution of atmospheric organic carbon over multiple generations of oxidation

G Isaacman-VanWertz, P Massoli, R O'Brien, C Lim… - Nature …, 2018 - nature.com
The evolution of atmospheric organic carbon as it undergoes oxidation has a controlling
influence on concentrations of key atmospheric species, including particulate matter, ozone …