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中国・北京及び日本・金沢の大気が示すAhR 活性化作用へのPAH類及びダイオキシン類の寄与

フォーマット:
論文
責任表示:
戸次, 加奈江 ; 滝上, 英孝 ; 鈴木, 剛 ; 唐, 寧 ; 鳥羽, 陽 ; 亀田, 貴之 ; 早川, 和一
言語:
日本語
出版情報:
日本環境化学会 = Japan Society for Environmental Chemistry, 2011-01-01
著者名:
戸次, 加奈江
滝上, 英孝
鈴木, 剛
唐, 寧
鳥羽, 陽
亀田, 貴之
早川, 和一
続きを見る
掲載情報:
環境化学 = journal of environmental chemistry
ISSN:
0917-2408  CiNii Research  Webcat Plus  JAIRO
巻:
21
通号:
1
開始ページ:
27
終了ページ:
33
バージョン:
publisher
概要:
Polycyclic aromatic hydrocarbons (PAHs) and dioxins have several toxic properties, including mutagenicity, carcinogenicity and reproductive toxicity. PAHs mainly originate from the burning of petroleum and coal, while dioxins originate mainly from waste incineration and agrochemicals. Both PAHs and dioxins have aryl hydrocarbon receptor (AhR) binding activity which is related to toxicity of PAHs and dioxins. In this study, we evaluated AhR binding activity of airborne particles collected in Beijing, China and Kanazawa, Japan by DR-CALUX and the contribution of PAHs and dioxins to this activity. AhR binding activity of airborne particles in Beijing (1,200 ng • m-3) was four hundred times higher than in Kanazawa (2.7 ng • m-3). The composition of PAHs didn′t show large difference in Beijing and Kanazawa. The contribution of the PAHs to CALUX-TEQ was higher than dioxins and especially high in Kanazawa (10.4 %). These results suggest that PAHs show large contribution to the toxicity of airborne particles, and other kinds of PAH and PAH related compounds will also contribute to that toxicity. The difference of concentration and composition of these compounds result in the different level of toxicity of airborne particles in each city. 続きを見る
URL:
http://hdl.handle.net/2297/39396
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