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 …
solar radiation in the ultraviolet-visible wavelength range, which causes adverse impacts on …
Contribution of carbonyl chromophores in secondary brown carbon from nighttime oxidation of unsaturated heterocyclic volatile organic compounds
The light absorption properties of brown carbon (BrC), which are linked to molecular
chromophores, may play a significant role in the Earth's energy budget. While nitroaromatic …
chromophores, may play a significant role in the Earth's energy budget. While nitroaromatic …
Resolving ultraviolet–visible spectra for complex dissolved mixtures of multitudinous organic matters in aerosols
Light-absorbing organic aerosols, referred to as brown carbon (BrC), play a vital role in the
global climate and air quality. Due to the complexity of BrC chromophores, the identified …
global climate and air quality. Due to the complexity of BrC chromophores, the identified …
Diversity of organic components in airborne waste discharged from sewer pipe repairs
Air-discharged waste from commonly used trenchless technologies of sewer pipe repairs is
an emerging and poorly characterized source of urban pollution. This study reports on the …
an emerging and poorly characterized source of urban pollution. This study reports on the …
[HTML][HTML] Fluorescence characteristics, absorption properties, and radiative effects of water-soluble organic carbon in seasonal snow across northeastern China
Water-soluble organic carbon (WSOC) in the cryosphere can significantly influence the
global carbon cycle and radiation budget. However, WSOC in the snowpack has received …
global carbon cycle and radiation budget. However, WSOC in the snowpack has received …
[HTML][HTML] Brown carbon absorptivity in fresh wildfire smoke: associations with volatility and chemical compound groups
Organic aerosol (OA) emissions from wildfires across the western United States have
significant impacts on the climate and air quality. Brown carbon (BrC)—the light-absorbing …
significant impacts on the climate and air quality. Brown carbon (BrC)—the light-absorbing …
Molecular and structural characterization of isomeric compounds in atmospheric organic aerosol using ion mobility-mass spectrometry
Secondary organic aerosol (SOA) formed through multiphase atmospheric chemistry makes
up a large fraction of airborne particles. The chemical composition and molecular structures …
up a large fraction of airborne particles. The chemical composition and molecular structures …
Enhanced Light Absorption and Elevated Viscosity of Atmospheric Brown Carbon through Evaporation of Volatile Components
D Calderon-Arrieta, AC Morales… - Environmental …, 2024 - ACS Publications
Samples of brown carbon (BrC) material were collected from smoke emissions originating
from wood pyrolysis experiments, serving as a proxy for BrC representative of biomass …
from wood pyrolysis experiments, serving as a proxy for BrC representative of biomass …
Optical Variation and Molecular Transformation of Brown Carbon During Oxidation by NO3• in the Aqueous Phase
Y Lei, X Lei, G Tian, J Yang, D Huang… - Environmental …, 2024 - ACS Publications
The NO3•-driven nighttime aging of brown carbon (BrC) is known to greatly impact its
atmospheric radiative forcing. However, the impact of oxidation by NO3• on the optical …
atmospheric radiative forcing. However, the impact of oxidation by NO3• on the optical …
Insight into the Role of NH3/NH4+ and NOx/NO3– in the Formation of Nitrogen-Containing Brown Carbon in Chinese Megacities
D Wang, Z Shen, X Yang, S Huang, Y Luo… - Environmental …, 2024 - ACS Publications
Particulate brown carbon (BrC) plays a crucial role in the global radiative balance due to its
ability to absorb light. However, the effect of molecular formation on the light absorption …
ability to absorb light. However, the effect of molecular formation on the light absorption …