Comparison of Atmospheric Pollution of Kitakyushu and Tieling from the View Points of PAH, NPAH, Mutagenicity and Generation of Reactive Oxygen Species

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  • BEKKI Kanae
    Graduate School of Natural Science and Technology, Kanazawa University
  • TANG Ning
    Graduate School of Natural Science and Technology, Kanazawa University
  • TORIBA Akira
    Graduate School of Natural Science and Technology, Kanazawa University
  • HAYAKAWA Kazuichi
    Graduate School of Natural Science and Technology, Kanazawa University

Bibliographic Information

Other Title
  • PAH,NPAH,変異原性および活性酸素種生成能から見た北九州と鉄嶺の大気汚染比較
  • PAH NPAH ヘンイゲンセイ オヨビ カッセイ サンソシュ セイセイノウ カラ ミタ キタキュウシュウ ト テツレイ ノ タイキ オセン ヒカク

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Abstract

Airborne particulate matters contain many kinds of organic pollutants. Among them, polycyclic aromatic hydrocarbons (PAH), nitropolycyclic aromatic hydrocarbons (NPAH) and quinoid PAHs were reported to have several human health effects. We collected airborne particulates in Kitakyushu, Japan and Tieling, China in summer and winter, and analyzed the PAH and NPAH to evaluate the direct- and indirect-acting mutagenicities and generating activities of reactive oxygen species (ROS). The concentrations of PAHs and NPAHs in Tieling were much higher than in Kitakyushu, with seasonal variations. The mutagenicity level was higher in winter while the ROS generation activity was higher in summer. These results suggest that concentrations of PAH and NPAH didn' t correlate with mutagenicity and ROS generation activity. More studies are needed on the environmental behaviors of compounds other than PAHs and NPAHs, such as quinoid PAHs, and their biological activities.

Journal

  • Journal of UOEH

    Journal of UOEH 30 (1), 39-45, 2008

    The University of Occupational and Environmental Health, Japan

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