多環芳香族炭化水素と大気浮遊微細鉱物の相互作用およびその運搬媒本の解明

2006 Fiscal Year Annual Research Report

• Project/Area Number: 17340163
• Research Institution: Hokkaido University
• Principal Investigator: 佐藤 努 北海道大学, 大学院工学研究科, 助教授 (10313636)
• Co-Investigator(Kenkyū-buntansha): 早川 和一 金沢大学, 大学院自然科学研究科, 教授 (40115267) ; 柏谷 健二 金沢大学, 自然計測応用研究センター, 教授 (30161029) ; 川西 琢也 金沢大学, 大学院自然科学研究科, 助教授 (80234087)
• Keywords: 黄砂 / PAH / 鉱物 / 日本海

Research Abstract

多環芳香族炭化水素(PAH)が国境を超えて長距離運搬されることについて世界の各地で報告がなされてきたが、近年の東アジア諸都市の著しい経済発展にもかかわらず、そこから日本海を越える長距離運搬は明らかにされてこなかった。本研究では金沢において2003年の春季からおよそ1年間エアロゾルをサンプリングし、黄砂粒子に伴われるPAHの長距離運搬に関して検討した。また、黄砂構城鉱物粒子表面に吸着したPAHの安定性について実験的に検討した。
観測期間中に黄砂飛来が確認されたサンプリング期間は3期間で、それぞれ黄砂現象確認時期1(3月11日〜19日、2004)、2(3月28日〜4月9日、2004)および3(4月9日〜4月25日)であった。黄砂粒子の粒径は通常時に比べ比較的粗粒(2.2-11μm)であることが確認された。PAHは粗粒(2.2-11μm)のエアロゾルと細粒(<1.1μm)のエアロゾルからそれぞれ抽出・定量された。その結果、黄砂現象確認時期3の黄砂には、高濃度のBenzo[a]pyrene(BaP)やBenzo[g,h,i]perylene(BghiP)などの揮発性の低いPAHが含まれていた。これらの揮発性の低いPAHはガス状として存在する濃度が小さく、東アジア大陸内部の元々PAHに汚染された土壌からもたらされたものと推定された。後方流跡線解析の結果、黄砂現象確認時期3の黄砂は工業地帯に隣接する黄土高原から発生していることも明らかとなった。
黄砂粒子表面に吸着したPAHの安定性について、本研究で新たに製作した相対湿度と温度がコントロール可能な反応セルを用いて検討した。PAHのモデル物質としてPyrene(Pyr)を実験に用いた。暗所では、モンモリロナイトおよびフミンはPyrを実験期間中(3日間)安定に保持したのに対し、石英およびアルミナ上のピレンは濃度を半減した。相対湿度の上昇はピレンの安定性を減少させる方向に働いた。黄砂構成鉱物の中で粘土鉱物が最もPAHを安定に運搬する媒体として働くことが指摘された。

Research Products

• [Journal Article] Study on atmospheric polycyclic aromatic hydrocarbons at a background site of Ishikawa prefecture. Japan. (2007)
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• [Journal Article] Specific separation of polar analytes on a medium polar stationary phase by gas chromatography with carrier gas containing vaporous modifiers. (2007)
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  • Journal Title: Chromatography 28 Pages: 25-28
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• [Journal Article] Profiles of Particulate-Bound Polycyclic Aromatic Hydrocarbons and Their Nitrated Derivatives in Three Typical Cities, Liaoning Province, China. (2007)
  • Author(s): Hattori, T., Tang, N., Tamura, K., Hokoda, A., Yang, X.-Y., Igarash K., Ohno, M., Okada, Y., Toriba, A., Hayakawa, K.
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• [Journal Article] Rapid and sensitive determination of tryptophan, serotonin and psychoactive tryptamines by thin-layer chromatography/fluorescence detection. (2007)
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• [Journal Article] Bisphenol A (BPA) in foods in Japanese markets and its source. (2007)
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  • Journal Title: Food Addit. Contam. 24 Pages: 103-112
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• [Journal Article] 経気道曝露化学物質とヒトの健康 (2007)
  • Author(s): 早川和一
  • Journal Title: 薬学雑誌 127 Pages: 429-436
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• [Journal Article] Natural attenuation of antimony in mine drainage water. (2007)
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• [Journal Article] Long-range transport of polycyclic aromatic hydrocarbons (PAHs) from the eastern Asian continent to Kanazawa, Japan with Asian dust Atmospheric Environment. (2007)
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• [Journal Article] Uptake of dissolved arsenic in the retrieval of silica from spent geothermal brine. (2007)
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  • Journal Title: Geothermics (In press)
• [Journal Article] A Determination Method for Nitrocatecholamines in Rat Brain with High-Performance Liquid Chromatography-Peroxyoxalate Chemiluminescence Detection. (2007)
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• [Journal Article] Long-Range Transportation of Polycyclic Aromatic Hydrocarbons from China to Japan. (2007)
  • Author(s): Yang, X.-Y., Okada, Y., Tang, N., Matsunaga, S., Tamura, K., Kameda, T., Toriba, A., Hayakawa, K.
  • Journal Title: Atmos. Environ. (In press)
• [Journal Article] Environmental quinoid polycyclic aromatic hydrocarbon, acenaththenequinone, modulates COX expression through ROS generation and NF-κB activation in A549 cells. (2007)
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• [Journal Article] 多環芳香族炭化水素及びニトロ多環芳香族炭化水素から見た中国東北地方の大気環境. (2007)
  • Author(s): 唐 寧, 田村憲治, 楊 小陽, 亀田貴之, 鳥羽 陽, 早川和一
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• [Journal Article] Deposition analysis of non sea-salt sulfate and nitrate along to the northwest winter monsoon in Hokuriku district by a snow boring core and bulk samples. (2007)
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  • Journal Title: Bull. Glaciological Res. 24 Pages: 23-28
• [Journal Article] Development of analytical methods for polycyclic aromatic hydrocarbon compounds (PAHs) in airborne particulates : A review. (2007)
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• [Journal Article] Uranium and thorium isotope distribution in an offshore bottom sediment core of the Selenga Delta, Lake Baikal, Siberia. (2006)
  • Author(s): Sakaguchi, A., Yamamoto, M., Sasaki, K., Kashiwaya, K.
  • Journal Title: Journal of Paleolimnology 35 Pages: 807-818
  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] Occurrence of polybrominated diphenyl ethers and polychlorinated biphenyls in shark liver oil supplements. (2006)
  • Author(s): Akutsu, K., Tanaka, Y., Hayakawa, K.
  • Journal Title: Food Addit. Contam. 23 Pages: 1323-1329
  • Description: 「研究成果報告書概要(和文)」より
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• [Journal Article] Chiral Capillary Electrophoresis of Amphetamine-Type Stimulants. (2006)
  • Author(s): Chinaka, S., Iio, R., Takayama, N., Kodama, S., Hayakawa, K.
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  • Description: 「研究成果報告書概要(和文)」より
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• [Journal Article] Chiral Capillary Electrophoresis of Agrochemicals in Real Samples. (2006)
  • Author(s): Kodama, S., Saito, Y., Chinaka, S., Yamamoto, A., Hayakawa, K.
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  • Description: 「研究成果報告書概要(和文)」より
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• [Journal Article] A new On-line Sample Preparation System for the Liquid Chromatography/Time-of-Flight Mass Spectrometry Simultaneous Analysis of Pestisides in River Water. (2006)
  • Author(s): Sasaki, H., Yonekubo, J., Hayakawa, K.
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  • Description: 「研究成果報告書概要(和文)」より
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• [Journal Article] Homologue and Isomer Distribution of Dioxins Observed in Water Samples Collected from Kahokugata Lagoon and Inflowing Rivers, Japan. (2006)
  • Author(s): Oka, H., Kakimoto, H., Miyata, Y., Yonezawa, Y., Niikawa, A., Kyodo, H., Tang, N., Toriba, A., Kizu, R., Hayakawa, K.
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• [Journal Article] Seasonal Change of Gas/Particle Partitioning of Atmospheric Dioxins. (2006)
  • Author(s): Oka, H., Kakimoto, H., Miyata, Y., Yonezawa, Y., Niikawa, A., Kyudoh, H., Tang, N., Toriba A., Kizu, R., Hayakawa, K.
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• [Journal Article] Distribution and Characterization of Polycyclic Aromatic Hydrocarbon Compounds in Airborne Aarticulates of East Asia (2006)
  • Author(s): Liu, Yan, Liu, Li-bin, Lin, J.-M., Tang, N., Hayakawa, K.
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  • Description: 「研究成果報告書概要(和文)」より
  • Peer Reviewed
• [Journal Article] 大気中の多環芳香族炭化水素類の計測法とその発生・動態解析研究の進歩 (2006)
  • Author(s): 亀田貴之, 早川和一
  • Journal Title: 自動車研究 28 Pages: 653-657
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  • Peer Reviewed
• [Journal Article] Damage to and recovery of coastlines polluted with C-heavy oil spilled from the Nakhodka. (2006)
  • Author(s): Hayakawa, K., Nomura, M., Nakagawa, T., Oguri, S., Kawanishi, T., Toriba, A., Kizu, R., Sakaguchi, T., Tamiya, E.
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  • Description: 「研究成果報告書概要(和文)」より
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• [Journal Article] Competitive Sorption of Pyrene on Wood Chars. (2006)
  • Author(s): Wang, X., Sato, T., Xing, B.
  • Journal Title: Environ. Sci. Technol 40 Pages: 3267-3272
• [Journal Article] Decomposition of polycyclic aromatic hydrocarbon (PAHs) on mineral surface under controlled relative humidity. (2006)
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• [Journal Article] Mineralogical and geochemical constraints on arsenic mobility in a Philippine geothermal field. (2006)
  • Author(s): Pascua, C.S., Sato, T., Golla, G.
  • Journal Title: Acta Geologica Sinica 80 Pages: 230-235
• [Journal Article] Estimation of Vertical Mixing Based on Water Current Monitoring in the Hypolimnion of Lake Biwa. (2006)
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• [Journal Article] Determination of l-nitropyrene metabolites by HPLC with chemiluminescence detection and its application to human urine as a new biomarker of exposure to diesel exhaust. (2006)
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  • Journal Title: Luminescence 21 Pages: 320-386
• [Journal Article] Simultaneous determination of urinary hydroxylated metabolites of naphthalene, fluorine, phenanthrene, fluoranthene and pyrene as multiple biomarkers of exposure to polycyclic aromatic hydrocarbons. (2006)
  • Author(s): Chetiyanukornkul, T., Toriba, A., Kameda, T., Tang, N., Hayakawa, K.
  • Journal Title: Anal. Bioanal. Chem. 386 Pages: 712-718
• [Journal Article] Development of Septum-Free Injector for Gas Chromatography and Its Application to The Sample with a High Boiling Point. (2006)
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• [Journal Article] Components of diesel exhaust particles differentially affect Th1/Th2 response in a murine model of allergic airway inflammation. (2006)
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  • Journal Title: Clin. Exp. Allergy 36 Pages: 386-395
• [Journal Article] Atmospheric Deposition of Polychlorinated Dibenzo-p-dioxins (PCDDs) and Polyclorinated Dibenzofurans (PCDFs) in Kanazawa, Japan. (2006)
  • Author(s): Oka, H., Kakimoto, H., Miyata, Y., Yonezawa, Y., Niikawa, A., Kyudoh, H., Kizu, R., Hayakawa, K.
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• [Journal Article] Thymic involution produced by diesel exhaust particles and their constituents in mice. (2006)
  • Author(s): Tomita, S., Maekawa, S., Rahman, M., Saito, F., Kizu, R., Tohi, K., Ueno, T., Nakase, H., Gonzalez, F-J., Hayakawa, K., Koremaga, T., Takahama.Y.
  • Journal Title: Toxicol. Environ. Chem. 88 Pages: 113-124
• [Journal Article] Determination of l-nitropyrene metabolites by high performance liquid chromatography with chemiluminescence detection. (2006)
  • Author(s): Hayakawa, K., Lu, C., Mizukami, S., Toriba, A., Tang, N.
  • Journal Title: J. Chromatogr. A 1107 Pages: 286-289
• [Journal Article] Comparison of traditional cloud-point extraction and on-line flow-injection cloud-point extraction with a chemiluminescence method using benzo[a]pyrene as a marker. (2006)
  • Author(s): Song, G.-Q., Lu, C., Hayakawa, K., Lin, J.-M.
  • Journal Title: Anal. Bioanal. Chem. 384 Pages: 1007-1012
• [Book] 東アジアモンスーン域の湖沼と流域(坂本充・熊谷道夫編) (2006)
  • Author(s): 柏谷健二(分担)
  • Total Pages: 348
  • Publisher: 名古屋大学出版会
  • Description: 「研究成果報告書概要(和文)」より
• [Book] 陸水の事典(日本陸水学会編) (2006)
  • Author(s): 柏谷健二(分担)
  • Total Pages: 578
  • Publisher: 講談社
  • Description: 「研究成果報告書概要(和文)」より
• [Book] Past, Present and Future Environments of Pan-Japan Sea Region. (2006)
  • Author(s): Hayakawa, K., Editorial Supervisor
  • Total Pages: 605
  • Publisher: Maruzen
  • Description: 「研究成果報告書概要(和文)」より
• [Book] Past, Present and Future Environments of Pan-Japan Sea Region. (2006)
  • Author(s): Kawanishi, T., Van D.A., Sano, Y., Hayashi, Y., in Hayakawa, K.et al.eds.
  • Total Pages: 605
  • Publisher: Maruzen