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Cytotoxicity Assessment of PM 2.5 Collected from Specific Anthropogenic Activities in Taiwan

Author

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  • Tuan Hung Ngo

    (Institute of Environmental and Occupational Health Sciences, National Yang Ming University, Taipei 112, Taiwan
    International Health Program, National Yang Ming University, Taipei 112, Taiwan)

  • Pei Chun Tsai

    (Institute of Environmental and Occupational Health Sciences, National Yang Ming University, Taipei 112, Taiwan)

  • Yune-Fang Ueng

    (Divisions of Basic Chinese Medicine, National Research Institute of Chinese Medicine, Taipei 112, Taiwan
    Institute of Medical Sciences, Taipei Medical University, Taipei 112, Taiwan)

  • Kai Hsien Chi

    (Institute of Environmental and Occupational Health Sciences, National Yang Ming University, Taipei 112, Taiwan)

Abstract

Fine particulate matter (PM 2.5 ) from different sources with different components have different health impact. In this research in Taiwan, composition and cytotoxicity of PM 2.5 from long-range transport event (LRT), traffic activity, and outdoor cooking at night market were studied. The PM 2.5 mass concentrations were 39.0 μg/m 3 during LRT, 42.9 μg/m 3 at traffic area, and 28.3 μg/m 3 at the night market. Traffic area had highest concentrations of PCDD/Fs (46.9 fg I-TEQ/m 3 ) when highest PAH concentrations of 3.57 BaPeq-ng/m 3 were found at night market area. One quarter of PM 2.5 mass at LRT and night market was constituted by water-soluble ion (26.02–28.93%). Road dust (represented by high concentration of Al and Ca) was the main contributor for metal element at traffic station whereas presence of natural salt (Na and Cl elements) was a marker of LRT and cooking activities. Cell viability reduced 9% after exposure to organic extracts of 0.316 μg of PM 2.5 from LRT and night market samples. 150% elevation of ROS production was observed after exposure with organic compound of night market samples at the dose equivalent to 10.0 μg PM 2.5 . Organic extracts from night market induced positive genotoxicity in umu test (at a dose of 20.0 μg PM 2.5 ).

Suggested Citation

  • Tuan Hung Ngo & Pei Chun Tsai & Yune-Fang Ueng & Kai Hsien Chi, 2019. "Cytotoxicity Assessment of PM 2.5 Collected from Specific Anthropogenic Activities in Taiwan," IJERPH, MDPI, vol. 16(24), pages 1-12, December.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:24:p:5043-:d:296506
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    References listed on IDEAS

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    1. Chang, Hsin-Li & Wu, Shun-Cheng, 2008. "Exploring the vehicle dependence behind mode choice: Evidence of motorcycle dependence in Taipei," Transportation Research Part A: Policy and Practice, Elsevier, vol. 42(2), pages 307-320, February.
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    Cited by:

    1. Nathaniel R. Fold & Mary R. Allison & Berkley C. Wood & Pham T. B. Thao & Sebastien Bonnet & Savitri Garivait & Richard Kamens & Sitthipong Pengjan, 2020. "An Assessment of Annual Mortality Attributable to Ambient PM 2.5 in Bangkok, Thailand," IJERPH, MDPI, vol. 17(19), pages 1-13, October.

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