Articles | Volume 24, issue 2
https://doi.org/10.5194/acp-24-1345-2024
https://doi.org/10.5194/acp-24-1345-2024
Research article
 | 
30 Jan 2024
Research article |  | 30 Jan 2024

Source differences in the components and cytotoxicity of PM2.5 from automobile exhaust, coal combustion, and biomass burning contributing to urban aerosol toxicity

Xiao-San Luo, Weijie Huang, Guofeng Shen, Yuting Pang, Mingwei Tang, Weijun Li, Zhen Zhao, Hanhan Li, Yaqian Wei, Longjiao Xie, and Tariq Mehmood

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Cited articles

Ahmed, C. S., Yang, J., Chen, J. Y., Jiang, H., Cullen, C., Karavalakis, G., and Lin, Y.-H.: Toxicological responses in human airway epithelial cells (BEAS-2B) exposed to particulate matter emissions from gasoline fuels with varying aromatic and ethanol levels, Sci. Total Environ., 706, 135732, https://doi.org/10.1016/j.scitotenv.2019.135732, 2020. 
Al-Kindi, S. G., Brook, R. D., Biswal, S., and Rajagopalan, S.: Environmental determinants of cardiovascular disease: lessons learned from air pollution, Nat. Rev. Cardiol., 17, 656–672, https://doi.org/10.1038/s41569-020-0371-2, 2020. 
Bao, F., Li, M., Zhang, Y., Chen, C., and Zhao, J.: Photochemical aging of Beijing urban PM2.5: HONO production, Environ. Sci. Technol., 52, 6309–6316, https://doi.org/10.1021/acs.est.8b00538, 2018. 
Bari, M. A. and Kindzierski, W. B.: Eight-year (2007–2014) trends in ambient fine particulate matter (PM2.5) and its chemical components in the Capital Region of Alberta, Canada, Environ. Int., 91, 122–132, https://doi.org/10.1016/j.envint.2016.02.033, 2016. 
Bonetta, S., Bonetta, S., Feretti, D., Moretti, M., Verani, M., De Donno, A., Schilirò, T., Carraro, E., and Gelatti, U.: DNA damage induced by PM0.5 samples in A549 and BEAS-2B human cell lines: Results of the MAPEC study, Toxicol. Lett., 280, 208–208, https://doi.org/10.1016/j.toxlet.2017.07.571, 2017. 
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Short summary
PM2.5 are air pollutants threatening health globally, but they are a mixture of chemical compositions from many sources and result in unequal toxicity. Which composition from which source of PM2.5 as the most hazardous object is a question hindering effective pollution control policy-making. With chemical and toxicity experiments, we found automobile exhaust and coal combustion to be priority emissions with higher toxic compositions for precise air pollution control, ensuring public health.
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