Key toxic components and sources affecting oxidative potential of atmospheric particulate matter using interpretable machine learning: Insights from fog episodes

R Li, C Yan, Q Meng, Y Yue, W Jiang, L Yang… - Journal of Hazardous …, 2024 - Elsevier
Fog significantly affects the air quality and human health. To investigate the health effects
and mechanisms of atmospheric fine particulate matter (PM 2.5) during fog episodes, PM 2.5 …

Molecular characterization of major oxidative potential active species in ambient PM2. 5: Emissions from biomass burning and ship exhaust

C Xing, Y Zeng, X Yang, A Zhang, J Zhai, B Cai… - Environmental …, 2024 - Elsevier
Ambient fine particulate matter (PM 2.5) can catalyze the generation of reactive oxygen
species in vivo, causing hazardous effects on human health. Molecular-level analysis of …

Impact of antioxidants on PM2. 5 oxidative potential, radical level, and cytotoxicity

Y Wang, C Xing, B Cai, W Qiu, J Zhai, Y Zeng… - Science of The Total …, 2024 - Elsevier
Antioxidants are typically seen as agents that mitigate environmental health risks due to their
ability to scavenge free radicals. However, our research presents a paradox where these …

Impact of meteorology and aerosol sources on PM and oxidative potential variability and levels in China

J Liu, JH Christensen, Z Ye, S Dong… - Atmospheric …, 2024 - acp.copernicus.org
China has long-term high PM 2.5 levels, and its oxidative potential (OP) is worth studying as
it may unravel the impacts of aerosol pollution on public health better than PM 2.5 alone. OP …

Source apportionment of water-soluble oxidative potential of PM2. 5 in a port city of Xiamen, Southeast China

JM Li, SM Zhao, SH Xiao, X Li, SP Wu, J Zhang… - Atmospheric …, 2023 - Elsevier
The main objective of this study was the source attribution of the water-soluble oxidative
potential of PM 2.5 in Xiamen, China. Mean concentrations of individual water-soluble trace …

The oxidative potential of fine ambient particulate matter in Xinxiang, North China: Pollution characteristics, source identification and regional transport

H Liu, M Xu, Y Yang, K Cheng, Y Liu, Y Fan, D Yao… - Environmental …, 2024 - Elsevier
Atmospheric fine particulate matter (PM 2.5) can trigger the production of cytotoxic reactive
oxygen species (ROS), which can trigger or exacerbate oxidative stress and pulmonary …

Impact of anthropogenic emission control in reducing future PM2. 5 concentrations and the related oxidative potential across different regions of China

J Liu, Z Ye, JH Christensen, S Dong, C Geels… - Science of The Total …, 2024 - Elsevier
Affected by both future anthropogenic emissions and climate change, future prediction of PM
2.5 and its Oxidative Potential (OP) distribution is a significant challenge, especially in …

Variations of oxidative potential of PM2. 5 in a medium-sized residential city in South Korea measured using three different chemical assays

PR Kim, SW Park, YJ Han, MH Lee, TM Holsen… - Science of The Total …, 2024 - Elsevier
Although it is evident that PM 2.5 has serious adverse health effects, there is no consensus
on what the biologically effective dose is. In this study, the intrinsic oxidative potential (OPm) …

Size-segregated characteristics of water-soluble oxidative potential in urban Xiamen: Potential driving factors and implications for human health

JM Li, SM Zhao, SP Wu, BQ Jiang, YJ Liu… - Science of The Total …, 2024 - Elsevier
Oxidative potential (OP), defined as the ability of particulate matter (PM) to generate reactive
oxygen species (ROS), has been considered as a potential health-related metric for PM …

Source-specific health effects of internally exposed organics in urban PM2. 5 based on human serum albumin adductome analysis

Y Zeng, X Yang, A Zhang, X Yuan, J Zhai… - Science of The Total …, 2024 - Elsevier
Once inhaled, organic compounds in ambient PM 2.5 permeate the bloodstream, resulting in
internal exposure. The intricate composition of these internalized organic molecules …