Aging of atmospheric brown carbon aerosol

RF Hems, EG Schnitzler, C Liu-Kang… - ACS Earth and Space …, 2021 - ACS Publications
Emitted by numerous primary sources and formed by secondary sources, atmospheric
brown carbon (BrC) aerosol is chemically complex. As BrC aerosol ages in the atmosphere …

Atmospheric emission of nanoplastics from sewer pipe repairs

AC Morales, JM Tomlin, CP West… - Nature …, 2022 - nature.com
Nanoplastic particles are inadequately characterized environmental pollutants that have
adverse effects on aquatic and atmospheric systems, causing detrimental effects to human …

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 …

Research progress on secondary formation, photosensitive reaction mechanism and human health effects of chromophoric brown carbon

B Chen, J Chen, G Li, T An - Journal of Environmental Sciences, 2024 - Elsevier
Brown carbon (BrC) has attracted widespread attention because of its strong absorption of
solar radiation in the ultraviolet-visible wavelength range, which causes adverse impacts on …

Nitrogen-containing compounds enhance light absorption of aromatic-derived brown carbon

Z Yang, NT Tsona, C George, L Du - Environmental Science & …, 2022 - ACS Publications
The formation of secondary brown carbon (BrC) is chemically complex, leading to an
unclear relationship between its molecular composition and optical properties. Here, we …

Optical properties of secondary organic aerosol produced by photooxidation of naphthalene under NOx condition

Q He, C Li, K Siemens, AC Morales… - … science & technology, 2022 - ACS Publications
Secondary organic aerosols (SOAs) affect incoming solar radiation by interacting with light
at ultraviolet and visible wavelength ranges. However, the relationship between the …

[HTML][HTML] Measurement report: Optical properties and sources of water-soluble brown carbon in Tianjin, North China–insights from organic molecular compositions

J Deng, H Ma, X Wang, S Zhong… - Atmospheric …, 2022 - acp.copernicus.org
Brown carbon (BrC) aerosols exert vital impacts on climate change and atmospheric
photochemistry due to their light absorption in the wavelength range from near-ultraviolet …

Molecular characterization of water-soluble Brown carbon chromophores in snowpack from northern Xinjiang, China

Y Zhou, CP West, APS Hettiyadura, W Pu… - Environmental …, 2022 - ACS Publications
This study reports molecular-level characterization of brown carbon (BrC) attributed to water-
soluble organic carbon in six snowpack samples collected from northern Xinjiang, China …

[HTML][HTML] Two-year-long high-time-resolution apportionment of primary and secondary carbonaceous aerosols in the Los Angeles Basin using an advanced total …

M Ivančič, A Gregorič, G Lavrič, B Alföldy, I Ježek… - Science of the total …, 2022 - Elsevier
In recent years, carbonaceous aerosols (CA) have been recognized as a significant
contributor to the concentration of particles smaller than 2.5 μm (ie, PM 2.5), with a negative …

Secondary organic aerosol formation from atmospheric reactions of anisole and associated health effects

C Li, MV Misovich, M Pardo, Z Fang, A Laskin, J Chen… - Chemosphere, 2022 - Elsevier
Anisole (methoxybenzene) represents an important marker compound of lignin pyrolysis
and a starting material for many chemical products. In this study, secondary organic aerosols …