Interaction between polycyclic aromatic hydrocarbons (PAHs) and mineral grains with clarification of PAHs carrier in the atmosphere

多环芳烃 (PAHs) 与矿物颗粒之间的相互作用以及大气中 PAHs 载体的澄清

• 批准号: 17340163
• 负责人: SATO Tsutomu
• 金额: $ 8.67万
• 依托单位: Hokkaido University (2006-2007)Kanazawa University (2005)
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2005
• 资助国家: 日本
• 起止时间: 2005 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17340163/
• 关键词: Asian dust (Kosa); PAHs; Mineral; Pan-Japan Sea; 環日本海; 越境汚染; 粘土鉱物; 多環芳香族炭化水素; エアロゾル

Long range transport of Polycyclic aromatic hydrocarbons (PAHs) with Asian dust was investigated by collecting Aerosol particles through a year from April 2003 at Kanazawa, Japan. PAHs content in Asian dust particles were highly variable in different Asian dust events. Developed kinetic model showed that sorption rate of less volatile PAHs than BaP on Asian dust particles are too low to be accumulated. The origin of those PAHs in Asian dust particles would be originally PAH-polluted soil particles around industrialized area (e.g. loess regions around industrialized area). Back trajectory analyses also showed Asian dust with high less volatile PAHs content would have derived from loess area while Asian dust with undetectable amount of PAHs would have had source region in Mongolia and northern China. The stability of Pyr (a model PAHs) on different component of Asian dust particles was investigated under controlled temperature and relative humidity (RH) condition with/without light irradiation. Sianol and aluminol catalyze PAHs decomposition in the dark with enhanced catalytic effect by rinse in RH and light irradiation. Clay minerals protect Pyr against rise in RH and light irradiation to last several days. Most realistic carrier of PAHs is clay minerals. Geologic materials contribute atmospheric circulation of PAHs over long distance than previously thought.

从2003年4月在日本卡纳泽（Kanazawa）收集气溶胶颗粒，通过收集气溶胶颗粒的一年来研究多环芳烃（PAHS）与亚洲尘埃的远程运输。在不同的亚洲灰尘事件中，亚洲灰尘颗粒中的PAHS含量高度可变。开发的动力学模型表明，在亚洲尘埃上的挥发性PAH的吸附速率较低，而亚洲尘埃颗粒的吸附速率太低而无法累积。亚洲灰尘颗粒中这些PAH的起源最初是在工业化区域周围（例如工业化区域周围的黄土区域）污染的土壤颗粒。返回轨迹分析还表明，亚洲粉尘的含量较低，而PAH含量较低的亚洲粉尘将来自黄土区，而亚洲粉尘的尘埃在蒙古和中国北部的亚洲粉尘中将在蒙古和北部具有源泉区域。在受控温度和相对湿度（RH）条件下，研究了PYR（模型PAH）在亚洲尘埃颗粒不同组件上的稳定性，并具有/没有光照射。 sianol和铝酚在黑暗中催化PAHS分解，通过冲洗在RH和光照射中的催化作用增强。粘土矿物保护PYR免受RH的升高和光照射到持续几天。 PAHS最现实的载体是粘土矿物。地质材料比以前想象的长距离促进了PAH的大气循环。

项目成果

Rapid and sensitive determination of tryptophan, serotonin and psychoactive tryptamines by thin-layer chromatography/fluorescence detection.

• DOI: 10.1016/j.chroma.2007.01.061
• 发表时间: 2007-03
• 期刊: Journal of chromatography. A
• 作者: N. Kato;T. Kojima;S. Yoshiyagawa;H. Ohta;A. Toriba;Hideo Nishimura;K. Hayakawa

Long-range transport of PAHs form China to Japan observed at Wajima.

在轮岛观察到多环芳烃从中国远距离迁移到日本。

• 发表时间: 2006
• 作者: Okada;Y.;Yang;X.-Y.;Ning;T.;Kameda;T.;Toriba;Y.;Hayakawa;K
• 通讯作者: K

Simultaneous determination of urinary hydroxylated metabolites of naphthalene, fluorine, phenanthrene, fluoranthene and pyrene as multiple biomarkers of exposure to polycyclic aromatic hydrocarbons.

同时测定尿中萘、氟、菲、荧蒽和芘的羟基化代谢物作为多环芳烃暴露的多种生物标志物。

• 发表时间: 2006
• 期刊: Anal. Bioanal. Chem. 386
• 作者: Chetiyanukornkul;T.;Toriba;A.;Kameda;T.;Tang;N.;Hayakawa;K.
• 通讯作者: K.

陸水の事典(日本陸水学会編)

陆地水百科全书（日本湖沼学会编）

• 发表时间: 2006
• 作者: Katayama;Sumie;川端善一郎他
• 通讯作者: 川端善一郎他

Minireview: Biomarkers of exposure to polycyclic aromatic hydrocarbons and related compounds

小型评论：接触多环芳烃和相关化合物的生物标志物

• 发表时间: 2007
• 期刊: J. Health Sci. 53(6)
• 作者: Toriba;A.;Hayakawa;K
• 通讯作者: K