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論 文 / Publications

2019年
Individual particle analysis of marine aerosols collected during the North-South transect cruise in the Pacific Ocean and its marginal seas
M. Yoshizue, Y. Iwamoto, K. Adachi, S. Kato, S. Sun, K. Miura, M. Uematsu
Journal of Oceanography, , 1-12, 2019.WebSite
Tracing the sources and formation pathways of atmospheric particulate nitrate over the Pacific Ocean using stable isotopes
K. Kamezaki, S. Hattori, Y Iwamoto, S. Ishino, H. Furutani, Y. Miki, M. Uematsu, K. Miura, N. Yoshida
Atmospheric Environment, 209, 152-166, 2019.WebSite
Ground-based observation of lightning-induced nitrogen oxides at a mountaintop in free troposphere
R.Wada, Y. Sadanaga, S. Kato, N. Katsumi, H. Okochi, Y. Iwamoto, K. Miura, H. Kobayashi, M. Kamogawa, J. Matsumoto, S. Yonemura, Y. Matsumi, M. Kajino, S. Hatakeyama
Journal of Atmospheric Chemistry, 67(2), 133-150, 2019.WebSite
エアロゾル質量分析法またはプロトン核磁気共鳴法を用いた大気エアロゾル中のフミン様物質(HULIS)の特性解析
岩本洋子
Humic Substances Research, 15(1), 11-20, 2019.
粒子状物質を介した大気海洋間の物質循環過程
岩本洋子
大気化学研究, 40, 040A04, 2019.OpenAccess
Persistent organic pollutants are still present in surface marine sediments from the Seto Inland Sea, Japan
S. Asaoka, A. Umehara, Y. Haga, C.o Matsumurac, R. Yoshiki, K. Takeda
Marine Pollution Bulletin, Accepted, 2019.
Identifying sulfur species adsorbed on particulate matters in exhaust gas emitted from various vessels
S. Asaoka, T. Dan, I. Asano, S. Hayakawa, K. Takeda
Chemosphere, 223, 399-405, 2019.WebSite
Kinetics of photocatalytic removal of imidacloprid from water by advanced oxidation processes with respect to nanotechnology
A. Derbalah, M. Sunday, R. Chidya, W. Jadoon, H. Sakugawa
Journal of Water and Health, 17(2), 254-265, 2019. WebSite
Temporal trends in organophosphorus pesticides use and concentrations in river water in Japan, and risk assessment
A. Derbalah, R. Chidya, W. Jadoon, H. Sakugawa
Journal of Environmental Sciences, 79, 135-152, 2018.WebSite
Polycyclic aromatic hydrocarbons in urban road dust, Afghanistan: Implications for human health
W. Khpalwak, W. A. Jadoon, S. M. Abdel-dayem, H. Sakugawa
Chemosphere, 218, 517-526, 2019.WebSite
テレフタル酸とフェントン反応を利用した河川水中過酸化水素の定量における分析条件の最適化
植木 隆太, 加藤 稜太, 今泉 圭隆, 岩本 洋子, W. A. Jadoon, 佐久川 弘, 竹田 一彦
分析化学 68(2), 125-131, 2019.J-Stage/OpenAccess
海水中の微量ヨウ素分析 ─イオンクロマトグラフィーとキャピラリーゾーン電気泳動法の利用─
伊藤 一明, 竹田 一彦, 廣 川 健
分析化学 68(4), 227-239, 2019.J-Stage/OpenAccess
2018年
Biogenic sulfur compounds in spring phytoplankton bloom in the western North Pacific off the coast of northern Japan
I. Nagao, Y.-J. Eum, Y. Iwamoto, Y, Tada. K, Suzuki, A. Tsuda, M. Toratani, K. Hamasaki, M. Uematsu
Progress in Oceanography, 165, 145-157, 2018.WebSite
Trends in usage of selected fungicides in Japan between 1962 and 2014: a review
C. C. Kaonga, R. C. G. Chidya, I. B. M. Kosamu, S. M. Abdel-dayem, H. W. T. Mapoma, B. Thole, R. Mbewe, H. Sakugawa
International Journal of Environmental Science and Technology, 15(8), 1801-1814, 2018.WebSite
光散乱式粒子計数器を用いたPM2.5吸湿特性の連続計測−2016年12月の高濃度事例を交えて−
岩本 洋子, 関根 広貴, 齊藤 伸治, 三浦 和彦, 西川 雅高, 永野 勝裕, 長田 和雄
エアロゾル研究, 33(4), 238-247, 2018.J-Stage/OpenAccess
地球温暖化対策に関する国の補助事業の貢献度とCO2削減予想
中谷郁夫, 竹田一彦. 佐久川弘
環境技術, 48(5), 265-272, 2018.WebSite
Spatio-temporal variations of selected pesticide residues in the Kurose River in Higashi-Hiroshima city, Japan
R. C. G. Chidya, S. M. Abdel-dayem, K. Takeda, H. Sakugawa
Journal of Environmental Science and Health, Part B, 53(9), 602-614, 2018.WebSite
Photogeneration and interactive reactions of three reactive species in the Seto Inland Sea, Japan
A. O. Adesina, A. J. Anifowose, K. Takeda, H. Sakugawa
Environmental Chemistry, 15(4), 236-245, 2018.WebSite
Individual and combined effects of fluoranthene, phenanthrene, mannitol and sulfuric acid on marigold (Calendula officinalis)
W. Khpalwak, S. M. Abdel-Dayem, H. Sakugawa
Ecotoxicology and Environmental Safety, 148, 834-841, 2018.WebSite
Evaluation of levels, sources and health hazards of road-dust associated toxic metals in Jalalabad and Kabul Cities, Afghanistan
W. A. Jadoon, W. Khpalwak, R. C. G. Chidya, S. M. M. A. Abdel-Dayem, K. Takeda, M. A. Makhdoom, H. Sakugawa
Archives of Environmental Contamination and Toxicology, 74(1), 32-45, 2018.WebSite
Nanomolar determination of hydrogen peroxide in coastal seawater based on the Fenton reaction with terephthalate
K. Takeda, H. Nojima, K. Kuwahara, R. C. Chidya, A. O. Adesina, H. Sakugawa
Analytical Sciences, 34(4), 459-464, 2018.J-Stage/OpenAccess
Correction to: The iodide and iodate distribution in the Seto Inland Sea, Japan
K. Takeda, K. Yamane, Y. Horioka, K. Ito
Aquatic Geochemistry, 24(2), 163-164, 2018.WebSite
オンクロマトグラフィーによる海水中の無機陰イオンの定量−逆相系C18シリカカラムにおける残存シラノール基の効果−
山根謙吾, 保元貴圭, 堀岡祐太, 竹田一彦, 伊藤一明
分析化学 67(4), 51-59, 2018.J-Stage/OpenAccess
2017年
The iodide and iodate distribution in the Seto Inland Sea, Japan
K. Takeda, K .Yamane, Y. Horioka, K. Ito
Aquatic Geochemistry, 23(5-6), 315-330, 2017.WebSite
Pesticides and heavy metals in sediment core samples from a coastal area in Japan
C. C. Kaonga, K. Takeda, H. Sakugawa, H. Yamazaki
Geochemical Journal, 51(6), 525-536, 2017.WebSite
A fluorometric method for the selective determination of lipid hydroperoxides in river water
M. O. Sunday, H Sakugawa
Geochemical Journal, 51(6), 571-581, 2017.WebSite
広島県における光化学オキシダントのシミュレーションとその低減対策 -地球温暖化対策に則して-
中谷郁夫, 竹田一彦, 佐久川弘
人間と環境, 43(1), 14-23, 2017.J-Stage/OpenAccess
Hydroxyl radical generation with a high power ultraviolet light emitting diode (UV-LED) and application for determination of hydroxyl radical reaction rate
K. Takeda, K. Fujisawa, H. Nojima, R. Kato, R. Ueki, H. Sakugawa
Journal of Photochemistry and Photobiology A: Chemistry, 340, 8-14, 2017.WebSite
2016年
Concentrations of polycyclic aromatic hydrocarbons: Their potential health risks and sources at three non-urban sites in Japan
W. A. Jadoon, H. Sakugawa
Journal of Environmental Science And Health Part A , 51(11), 884-899, 2016.WebSite
Distribution and seasonal variation of heavy metals in sediments of urban surface water, South-West Nigeria
E. O. Abata, A. F. Aiyesanmi, O. Ayodele, E. F. Olasehinde, A. O. Adebayo, K. Takeda, H. Sakugawa
International Journal of Scientific & Engineering Research, 7(1), 870-898, 2016.OpenAccess
Contamination and ecological risk assessment of heavy metal in the sediment of Ala River, South-West Nigeria: An Index-Analysis Approach
E. O. Abata, A. F. Aiyesanmi, A. O. Adebayo, O. O. Ajayi., K. Takeda, H. Sakugawa
International Journal of Scientific & Engineering Research, 7(1), 1392-1408, 2016.OpenAccess
Concentration and degradation of alternative biocides and an insecticide in surface waters and their major sinks in a semi-enclosed sea, Japan
C. C. Kaonga, K. Takeda, H. Sakugawa
Chemosphere, 145, 256-264, 2016.WebSite
2015年
A Novel fluorometric method for the determination of production rate and steady-state concentration of photochemically generated superoxide radical in seawater using 3',6'-(diphenylphosphinyl)fluorescein (PF-1)
A. J. Anifowose, K. Takeda, H. Sakugawa
Analytical Chemistry, 87(24), 11998-12005, 2015.WebSite
Diuron, Irgarol 1051 and Fenitrothion contamination for a river passing through an agricultural and urban area in Higashi Hiroshima City, Japan.Diuron, Irgarol 1051 and Fenitrothion contamination for a river passing through an agricultural and urban area in Higashi Hiroshima City, Japan
C. C. Kaonga, K. Takeda, H. Sakugawa
Science of The Total Environmen, 518-519, 450-458, 2015.WebSite
Photoformation rate, steady-state concentration and lifetime of nitric oxide radical (NO) in a eutrophic river in Higashi-Hiroshima, Japan
A. J. Anifowose, K. Takeda, H. Sakugawa
Chemosphere, 119, 302-309, 2015.WebSite
Antifouling agents and Fenitrothion contamination in seawater, sediment, plankton, fish and selected marine animals from the Seto Inland Sea, Japan
C. C. Kaonga, K. Takeda, H. Sakugawa
Geochemical Journal, 49(1), 23-37, 2015.WebSite
Distribution and sources of particulate polycyclic aromatic hydrocarbons (PAHs) in air of Kamihaya, central Japan
W. A. Jadoon, H. Kondo, H. Sakugawa
Geochemical Journal, 49(2), 207-217, 2015.WebSite
Photodegradation of the herbicide diuron in water under simulated sunlight
F. Eissa, N. E.-H. Zidan, H. Sakugawa
Geochemical Journal, 49(3), 309-318, 2015.WebSite
Sources of hydroxyl radical in headwater streams from nitrogen-saturated forest
M. Chiwa, N. Higashi, K. Otsuki, H. Kodama, T. Miyajima, K. Takeda, H. Sakugawa
Chemosphere, 119, 1386-1390, 2015.WebSite
2014年
オゾンおよびフェナントレンがナス、インゲンマメの葉に及ぼす影響
万代小百合, 佐久川弘
大気環境学会誌,49(6), 233-241, 2014.J-Stage/OpenAccess
広島県極楽寺山の森林地域における露の化学組成とOHラジカル生成能の推定
三宅隆之, 新垣雄光, 佐久川弘
大気環境学会誌, 49(3), 157-166, 2014.J-Stage/OpenAccess
Spatial distributions of and diurnal variations in low molecular weight carbonyl compounds in coastal seawater and the controlling factors.
K. Takeda, S. Katoh, Y. Mitsui, S. Nakano, N. Nakatani, H. Sakugawa
Science of the Total Environment, 493, 454-462, 2014.WebSite
Removal of hydrogen sulfide with steelmaking slag by concurrent reactions of sulfide mineralization and oxidation
K. Okada, T. Yamamoto, K.-H. Kim, S. Asaoka, S. Hayakawa, K. Takeda, T. Watanabe, A. Hayashi, Y. Miyata
Ecological Engineering, 63, 122-126, 2014.WebSite
沿岸海洋生態系再生のための鉄溶出施肥材の開発
山本民次, 高橋祥平, 清田忠志, 河尻義孝, 竹田一彦
水産工学, 51(2), 105-115, 2014.CiNii/OpenAccess
2013年
Mannitol can mitigate negative effects of simulated acid mist and fluoranthene in juvenile Japanese red pine (P. densiflora Sieb. et Zucc.)
I. Oguntimehin, S. Bandai, H. Sakugawa
Environmental Pollution, 174, 78-84, 2013.WebSite
Hydroxyl radical mediated degradation of diuron in river water
E. F. Olasehinde, N. Hasan, S. A. Omogbehin, H. Kondo, H. Sakugawa
Journal of American Science, 9(4), 29-34, 2013.OpenAccess
Applicability of solar photo-Fenton process to the remediation of water polluted with pesticides
H. Sakugawa, N. Hasan, E. F. Olasehinde, K. Takeda, H. Kondo
Nature and Science, 11(1), 144-152, 2013.OpenAccess
Determination of phenolic concentrations in dissolved organic matter pre-concentrate using solid phase extraction from natural water
K. Takeda, M. Moriki, W. Oshiro, H. Sakugawa
Marine Chemistry, 157, 208-215, 2013.WebSite
Phenol formation in gamma radiolysis of aqueous benzene solution with sodium hypochlorite
K. Takeda, K. Nagano
The Journal of Physical Chemistry A, 117(9), 1941-1945, 2013.Web Sit
付着微細藻の増殖に対する炭酸化製鋼スラグの影響
石井瑞希, 山本民次, 中原敬之, 竹田一彦, 浅岡聡
鉄と鋼, 99(3), 260-266, 2013.J-Stage/OpenAccess
2012年
Protective and curative effects of foliar-spray Fenton solutions against cucumber (Cucumis sativus, L.) powdery mildew
H. Sakugawa, N. Hasan, I, Oguntimehin, E. Belal
Journal of Environmental Science and Health, Part A (Toxic/Hazardous Substances & Environmental Engineering), 47(12), 1909-1918, 2012.WebSite
Photoformation rate of OH radical in atmospheric water extract of aerosol and water-soluble gases collected in Higashi-Hiroshima, Japan
N. S. Nomi, H. Kondo, H. Sakugawa
Geochemical Journal, 46(1), 21-29, 2012.OpenAccess
Determination of hydroxyl radical in Seto Inland Sea and its potential to degrade Irgarol
E. F. Olasehinde, H. O. Ogunsuyi, H. Sakugawa
IOSR Journal of Applied Chemistry, 1(5), 7-14, 2012.OpenAccess
Occurrence of Diuron and Irgarol in seawater, sediments and planktons of Seto Inland Sea, Japan
B. Sarangaraja, K. Takeda, H. Sakugawa
Geochemical Journal, 46(3), 169-177, 2012.OpenAccess
Reaction Kinetics for Nitrosation of DAF-2 in Air Saturated Nitric Oxide Solution
E. F. Olasehinde, H. O. Ogunsuyi, E. O. Abata, H. Sakugawa
Nature and Science, 10(11), 129-136 2012.OpenAccess
揮散損失を低減した溶存揮発性水銀捕集用海水サンプラーの開発と揮散損失が水銀放出フラックスの見積もりに与える影響
丸本幸治, 今井祥子, 竹田一彦, 佐久川弘
分析化学, 61(12), 1063-1072, 2012.J-Stage/OpenAccess
活性酸素の高感度測定法を利用したγ線強度の測定―高感度化学線量計への挑戦―
竹田一彦
Isotope News, 695, 2-5, 2012.
Effects of canopy N uptake on foliar CO2 assimilation rates and biomass production and allocation in Japanese red pine seedlings
M. Chiwa, T. Matsuda, N. Nakatani, T. Kobayashi, A. Kume, H. Sakugawa
Canadian Journal of Forest Research, 42(7), 1395-1403, 2012.WebSite
Characteristics of nitrogenous air pollutants at urban and suburban forested sites, western Japan
M. Chiwa, T. Uemura, K. Otsuki, H. Sakugawa
Water, Air, and Soil Pollution, 223(8), 5473-5481, 2012.WebSite
Mechanisms of hydrogen sulfide removal with steel making slag
K. Kim, S. Asaoka, T. Yamamoto, S. Hayakawa, K. Takeda, M. Katayama, T. Onoue
Environmental Science and Technology, 46(18), 10169-101745, 2012.WebSite
街路樹から得られた木質バイオマス中の重金属汚染に対する磁気スクリーニング
佐藤高晴, 佐久川弘, 竹田一彦, 近藤宏壮
日本エネルギー学会誌, 91(2), 118-126, 2012.J-Stage/OpenAccess
2011年
Automobile exhaust gas as a source of aqueous phase OH radical in the atmosphere and its effects on physiological status of pine trees
H. Sakugawa, T. Matsuda, N. Nakatani
Chemosphere, 85(5), 812-819, 2011.WebSite
Chemical dosimetry system for γ-ray irradiation based on the formation of phenol from aqueous benzene solutions
K. Takeda
Analytical Sciences, 27(12), 1213-1216, 2011.J-Stage/OpenAccess
Phochemical, microbial and metal complexation behavior of fluorescent dissolved organic matter in the aquatic environments
K. M. G. Mostofa, F. C. Wu, C. W. Liu, D. Vione, T. Yoshioka, H. Sakugawa, E. Tanoue
Geochemical Journal, 45(3), 235-254, 2011.OpenAccess
2010年
広島県河川水中における除草剤ジウロンの濃度,分解速度,半減期,分解産物に関する研究
佐久川弘, 田原康作, 青木一兼, 荒井直朋, 中谷暢丈, 竹田一彦
地球化学, 44(1), 1-15, 2010.OpenAccess
Photochemical Production and Consumption Mechanisms of Nitric Oxide in Seawater
F. Olasehinde, K. Takeda, H. Sakugawa
Environmental Science and Technology, 44(22), 8403-8408, 2010.WebSite
天然水中の光化学反応〜できるものとなくなるもの〜
竹田一彦
海洋化学研究, 23,118-124, 2010.OpenAccess
Atmospheric formaldehyde and acetaldehyde at the campus University of Hiroshima, Japan
N. S. Nomi, H. Sakugawa, K. Takeda, M. C. Solci
Semina: Exact and Technological Sciences, 31(1), 23-29, 2010. (in Portuguese and abstract in English)OpenAccess
The use of Sunpatiens (Impatiens spp.) as a bioindicator of some simulated air pollutants - Using an ornamental plant as bioindicator
I. Oguntimehin, H. Kondo, H. Sakugawa
Chemosphere, 81(2), 273-281, 2010.WebSite
Simultaneous ozone fumigation and fluoranthene sprayed as mists negatively affected cherry tomato (Lycopersicon esculentum Mill)
I. Oguntimehin, F. Eissa, H. Sakugawa
Ecotoxicology and Environmental Safety, 73(5), 1028-1033, 2010.WebSite
2009年
Negative effects of fluoranthene on the ecophysiology of tomato plants (Lycopersicon esculentum Mill)
I. Oguntimehin, F. Eissa, H. Sakugawa
Chemosphere, 78(7),877-884 .WebSite
Spatial and temporal variations and factors controlling the concentrations of hydrogen peroxide and organic peroxides in rivers
K. M. G. Mostofa, H. Sakugawa
Environmental Chemistry, 6(6), 1-11, 2009.WebSite
Development of an Analytical Method for Nitric Oxide Radical Determination in Natural Waters
E. F. Olasehinde, K. Takeda, H. Sakugawa
Analytical Chemistry, 81(16), 6843-6850, 2009. WebSite
東広島における大気エアロゾル抽出水中のヒドロキシルラジカルの光化学的生成および消失機構
近藤宏荘, 智和正明, 佐久川弘
地球化学, 43(1), 15-25, 2009.OpenAccess
水中低分子アルデヒドの高感度分析におけるブランク低減へのγ線照射の応用
竹田一彦, 三井裕美, 靜間清, 近藤宏壮, 中谷暢丈, 佐久川弘
分析化学, 58(2), 101-105, 2009.J-Stage/OpenAccess
Interactive effects of simultaneous ozone and fluoranthene fumigation on the eco-physiological status of the evergreen conifer, Japanese red pine (Pinus densiflora Sieb et. Zucc.)
I. Oguntimehin, H. Sakugawa
Ecotoxicology, 18(1), 100-109, 2009.WebSite
Transesterification of soybean oil using combusted oyster shell waste as a catalyst
N. Nakatani, H. Takamori, K. Takeda, H. Sakugawa
Bioresource Technology, 100(3), 1510-1513, 2009.WebSite
小さな池での堆積物コアを用いた長期間の 環境汚染モニタリングの提案
佐藤高晴, 竹田一彦, 田中謙太郎, 山崎博史
人間と環境, 35(1), 14-17, 2009.
Measuring the photochemical production of carbon dioxide from marine dissolved organic matter by pool isotope exchange
W. Wang, C. Johnson, K. Takeda, O. C. Zafiriou
Environmental Science and Technology, 43(22), 8604-8609 ,2009.WebSite
Periphyton contribution to nitrogen dynamics in the discharge from a wastewater treatment plan
A. Ogura, K. Takeda, T. Nakatsubo
River Research and Applications, 25(2), 229-235, 2009.WebSite
2008年
Organic acids and aldehydes in throughfall and dew in a Japanese Pine Forest
M. Chiwa, T. Miyake, N. Kimura, H. Sakugawa
Journal of Environmental Quality, 37(6), 2397-2402, 2008.WebSite
Exploring the correlation of particulate PAHs, sulfur dioxide, nitrogen dioxide and ozone, a preliminary study
Y. W. F. Tham, H. Takeda, H. Sakugawa
Water Air and Soil Pollution, 194(1) , 5-12, 2008.WebSite
Application of Fenton reaction for nanomolar determination of hydrogen peroxide in seawater
E. F. Olasehinde, S. Makino, H. Kondo, K. Takeda, H. Sakugawa
Analytica Chimica Acta, 627(2), 270-276, 2008.WebSite
Phytotoxicities of fluoranthene and phenanthrene deposited on needle surfaces of the evergreen conifer, Japanese red pine (Pinus densiflora Sieb. et Zucc.)
I. Oguntimehin, N. Nakatani, H. Sakugawa
Environmental Pollution, 154(2), 264-271, 2008.WebSite
Polycyclic aromatic hydrocarbons (PAHs) associated with atmospheric particles in Higashi Hiroshima, Japan: Influence of meteorological conditions and seasonal variations
Y. W. F. Tham, H. Takeda, H. Sakugawa
Atmospheric Research, 88(3-4), 224-233, 2008.WebSite
Fluoranthene fumigation and exogenous scavenging of reactive oxygen intermediates (ROI) in evergreen Japanese red pine seedlings (Pinus densiflora Sieb. et. Zucc.)
I. Oguntimehin, H. Sakugawa
Chemosphere, 72(5), 747-754, 2008.WebSite
Atmospheric concentrations of nitric acid, sulfur dioxide, particulate nitrate and particulate sulfate, and estimation of their dry deposition on the urban- and mountain-facing sides of Mt. Gokurakuji, Western Japan
M. Chiwa, H. Kondo, N. Ebihara, H. Sakugawa
Environmental Monitoring and Assessment, 140(1), 349-360, 2008.WebSite
2007年
Preliminary study of the photolysis of fluorene in rainwater
Y. W. F. Tham, H. Sakugawa
Bulletin of Environmental Contamination And Toxicology, 79(6), 670-673, 2007.WebSite
Contribution of the photo-fenton reaction to hydroxyl radical formation rates in river and rain water samples
N. Nakatani, M. Ueda, H. Shindo, K. Takeda, H. Sakugawa
Analytical Sciences, 23(9), 1137-1142, 2007.J-Stage/OpenAccess
Roles of hydroxyl radical generating/scavenging mechanisms in pseudo polluted dew in reducing the foliar CO2 assimilation rate and biomass production of Japanese red pine (Pinus densiflora Sieb. et Zucc.) seedlings
N. Nakatani, S. Akane, M. Chiwa T. Kobayashi, H. Sakugawa
Environmental and Experimental Botany, 60(2), 159-169, 2007.WebSite
Harmful effects of atmospheric nitrous acid on the physiological status of scots pine trees
H. Sakugawa, J. N. Cape
Environmental Pollution, 147(3), 532-534, 2007.WebSite
Determination of photoformation rates and scavenging rate constants of hydroxyl radicals in natural waters using an automatic light irradiation and injection system
N. Nakatani, N. Hashimoto, H. Shindo, M. Yamamoto, M. Kikkawa, H. Sakugawa
Analytica Chimica Acta, 581(2), 260-267, 2007.WebSite
Polycyclic aromatic hydrocarbons (PAHs) in the aerosol of Higashi Hiroshima, Japan: pollution scenario and source identification
Y. W. F. Tham, N. Ozaki, H. Sakugawa
Water, Air, and Soil Pollution, 182(1-4), 235-243, 2007.WebSite
Dissolved organic matter originating from the riparian shrub Salix gracilistyla
A. Sasaki, S. Shikenya, K. Takeda, N. Nakatsubo
Journal of Forest Research, 12(1), 68-74, 2007.WebSite
Improvement of photovoltages in dye-sensitized solar cells by Li-intercalation in particulate TiO2 electrodes
Y. Harima, K. Kawabuchi, S. Kajihara, A. Ishii, T. Ooyama, K. Takeda
Applied Physics Letters, 90(10), 103517, 2007.WebSite
2006年
Rapid and highly sensitive determination of low molecular weight carbonyl compounds in drinking waters and natural waters by preconcentration hplc with 2,4-dinitrophenylhydrazine
K, Takeda, S. Katoh, N. Nakatani, H. Sakugawa
Analytical Sciences, 22(12), 1509-1514, 2006.J-Stage/OpenAccess
Impact of resuspension events on the carbon budget of Hiroshima Bay, Japan
A. Leeben H. Sakugawa
Geochimica et Cosmochimica Acta, 70(18), A351, 2006.WebSite
Seasonal changes in needle water content and needle ABA concentration of Japanese red pine, Pinus densiflora Sieb. et Zucc., in declining forests on Mt. Gokurakuji, Hiroshima Prefecture, Japan
A. Kume, Y. T Hanba, K. Nakane, N. Sakurai, H. Sakugawa
Journal of Plant Research, 119(3), 231-238, 2006.WebSite
Concentrations and source variations of n-alkanes in a 21-m ice core and snow samples at Belukha Glacier, Russian Altai Mountains
T. Miyake, F. Nakazawa, H. Sakugawa, N. Takeuchi, K. Fujita, K. Ohta, M. Nakawa
Annals of Glaciology, 43(1), 142-147.WebSite
広島県極楽寺山におけるアカマツ衰退度の異なる林分の土壌化学性
智和正明, 田原康作, 井田秀行, 里村多香美, 小林剛, 堀越孝雄, 佐久川弘
森林応用研究, 15(2), 87-92, 2006.CiNii/OpenAccess
広島県における大気,雨水,露,河川水,飲料水中の過酸化物の測定及び生成・消失機構
佐久川弘, 山下敏広, 河井裕, 増田直樹, 橋本典親, 牧野慎也, 中谷暢丈, 竹田一彦
地球化学, 40(2), 47-63, 2006.OpenAccess
都市化地域の河川流域におけるBODの対する窒素負荷の影響
小倉亜紗美, 竹田一彦, 中坪孝之
用水と排水, 48(6), 66-73, 2006.
2005年
広島県東広島市におけるオープンパス差分光吸収分光法によるオゾン、二酸化窒素、ニ酸化硫黄の測定
松田敏英, 平川剛, 佐久川弘
分析化学, 54(4), 325-329, 2005.J-Stage/OpenAccess
河川水における溶存化学成分からのヒドロキシルラジカルの光化学的生成に関する研究
竹田一彦, 進藤宏隆, 中谷暢丈, 佐久川弘
水環境学会誌, 28(8), 509-513, 2005.J-Stage/OpenAccess
広島県内における大気降下物、土壌、河川底質、海域底質中ダイオキシン類の分布
佐久川弘, 山下俊幸, 宮地和夫
広島大学総合科学部紀要IV(理系編), 31, 73-89, 2005.
Dynamics and optical nature of fluorescent dissolved organic matter in river waters in Hiroshima Prefecture, Japan
K. M. G. Mostofa, Y. Honda, H. Sakugawa
Geochemical Journal, 39(3), 257-271, 2005.OpenAccess
Physiological Effects of Hydroxyl Radical (OH) Generating Solution as Simulated Dew on the Needle Surfaces of Japanese Red Pine (Pinus densiflora Sieb. et Zucc.)
M. Chiwa, T, Matsuda, N. Nakatani, Y. Sueki, T. Kobayashi, H. Sakugawa
Phyton-Annales Rei Botanicae, 45(4), 237- 244, 2005.
Fuel-based inventory of NOx and SO2 emissions from motor vehicles in the Hiroshima Prefecture, Japan
A. Nurrohim, H. Sakugawa
Applied Energy, 80(3), 291-305, 2005.WebSite
神奈川県大山における大気中過酸化物濃度の測定
佐久川弘, 新垣雄光, 増田直樹, 三宅隆之, 智和正明, 平川剛
大気環境学会誌, 40(2), 84-93, 2005.J-Stage/OpenAccess
2004年
An evaluation of hydroxyl radical formation in river water and the potential for photodegradation of bisphenol A
N. Nakatani, N. Hashimoto, H. Sakugawa
Volume 8 of the Geochemical Society Special Publication Series, Geochemical investigations in earth andspace science: A tribute to Isaac R. Kaplan, 233-242, 2004.
Photocatalytic removal of fenitrothion in pure and natural waters by photo-Fenton reaction
A. S. Derbalah, N. Nakatani, H. Sakugawa
Chemosphere, 57(7), 635-644, 2004.WebSite
広島湾におけるノニルフェノールの分布・動態・歴史的変遷
渡辺倫夫, 中島悦子, 中谷暢丈, 山崎秀夫, 佐久川弘
地球化学, 38(1) 17-27, 2004.OpenAccess
屋久島における大気中オゾン、窒素酸化物、ニ酸化硫黄の動態及び発生源に関する研究
佐久川弘, 湯原孝恵, 平川剛
広島大学総合科学部紀要IV(理系編), 30, 73-85, 2004.
Throughfall chemistry and canopy interactions in a Sitka spruce plantation sprayed with six different simulated polluted mist treatments
M. Chiwa, A. Crossley, L. Sheppard, H, Sakugawa, J. N. Cape
Environmental Pollution, 127(1), 54-62, 2004.WebSite
広島湾における海水中の過酸化水素の分布と挙動
赤根幸子, 牧野慎也, 橋本典親, 八束陽介, 河井裕, 竹田一彦, 佐久川弘
海の研究, 13(2), 1-12, 2004.CiNii/OpenAccess
Mobilization of arsenic from subsurface sediments by effect of bicarbonate ions in groundwater
H. M. Anawar, J. Akai, H. Sakugawa
Chemosphere, 54(6), 753-762, 2004.WebSite
A fuel-based inventory of NOx and SO2 emissions from manufacturing industries in Hiroshima prefecture, Japan
A. Nurrohim, H. Sakugawa
Applied Energy, 78(4), 355-369, 2004.WebSite
Enhanced formation of formate by freezing in solutions of hydrated formaldehyde-metal-hydrogen peroxide
T. Arakaki, M. Shibata, T. Miyake, T. Hirakawa, H. Sakugawa
Geochemical Journal, 38(4), 383-38, 2004.OpenAccess
Photodegradation kinetics of fenitrothion in various aqueous media and its effect on steroid hormone biosynthesis
A. S. H. Derbalah, H. Wakatsuki, T. Yamazaki, H. Sakugawa
Geochemical Journal, 38(3), 201-213, 2004.OpenAccess
Needle morphology related to chemical contents in the needle of Japanese fir (Abies firma) trees at Mt. Oyama subjected to acidic depositions, eastern Japan
N. Nakatani, A. Kume, T. Kobayashi, T. Hirakawa, H. Sakugawa
Water, Air, and Soil Pollution, 152(1), 97-110, 2004.WebSite
Determination of Hydroxyl Radical Photoproduction Rates in Natural Waters
K. Takeda, H. Takedoi, S. Yamaji, K. Ohta, H. Sakugawa
Analytical Sciences, 20(1), 153-158, 2004.J-Stage/OpenAccess
2003年
An experimental study of photodegradation of bisphenol A in water: Reaction with hydroxyl radical
N. Nakatani, N. Hashimoto, T. Yamazaki, H. Sakugawa
Geochimica et Cosmochimica Acta, 67(18), A330-A330, 2003.
Effects upon medium and understory tree individuals after the dieback of red pine (Pinus densiflora) in Saijo Basin, Hiroshima Prefecture, Japan
A. Tsuchiya, H. Sakugawa
Japanese Journal of Biometeorology, 40(4), 183-195, 2003.J-Stage/OpenAccess
Dry deposition washoff and dew on the surfaces of pine foliage on the urban- and mountain-facing sides of Mt. Gokurakuji, western Japan
M. Chiwa, N. Oshiro, T. Miyake, N. Nakatani, N. Kimura, T. Yuhara, N. Hashimoto, H. Sakugawa
Atmospheric Environment, 37(3), 327-337, 2003.WebSite
The photochemical reactions of iron species in rain and snow in Higashi-Hiroshima, Japan
D-.H. Kim, K. Takeda, H. Sakugawa J.-S. Lee
Analytical Science and Technology, 16(6), 466-474, 2003.OpenAccess
Effects of understory vegetation on the photosynthesis of an overstory pine, Pinus densiflora Sieb. et Zucc
A. Kume, T. Satomura, N. Tsuboi, M. Chiwa, Y. Hanba, K. Nakane, T. Horikoshi, H. Sakugawa
Forest Ecology and Management, 176(1-3), 195-203, 2003.WebSite
Rainfall, stemflow, and throughfall chemistry at urban- and mountain-facing sites at Mt. Gokurakuji, Hiroshima, western Japan
M. Chiwa, D.-H. Kim, H. Sakugawa
Water, Air, and Soil Pollution, 146(1), 93-109, 2003.WebSite
Distribution, seasonal pattern, flux and contamination source of pesticides and nonylphenol residues in Kurose River water, Higashi-Hiroshima, Japan
A. S. H. Derbalah, N. Nakatani, H. Sakugawa
Geochemical Journal, 37, 217-232, 2003.OpenAccess
2002年
広島県極楽寺山およびその周辺における二酸化硫黄、窒素酸化物、オゾン濃度と日変化
智和正明,平川剛,苗村晶彦,新垣雄光,佐久川弘
日本化学会誌, 2002(1), 67-76, 2002.J-Stage/OpenAccess
Variation in CO2 assimilation rate induced by simulated dew waters with different sources of hydroxyl radical (・OH) on the needle surfaces of Japanese red pine (Pinus densiflora Sieb. et Zucc.)
T. Kobayashi, N. Natanani, T. Hirakawa, M. Suzuki, T. Miyake, M. Chiwa, T. Yuhara, N. Hashimoto, K. Inoue, K. Yamamura, N. Agus, J. R. Sinogaya, K. Nakane, A. Kume, T. Arakaki, H. Sakugawa
Environmental Pollution, 118(3), 383-391, 2002.WebSite
Chemical compositions in rainwater at Hiroshima Prefecture, Japan
D.-H. Kim, K. Takeda, H. Sakugawa J.-S. Lee
Analytical Science and Technology, 15(4), 321-328, 2002.OpenAccess
2001年
The determination of dissolved total Fe by flow injection analysis in environmental samples
D.-H. Kim, K. Takeda, H. Sakugawa J.-S. Lee
Analytical Science and Technology, 14(6), 510-515, 2001.OpenAccess
Measurement of ethylene emission from Japanese red pine (Pinus densiflora) under field conditions in NOx-polluted areas
A Kume, N Tsuboi, N Nakatani, K Nakane, N Sakurai, N Nakagawa, H Sakugawai
Environmental Pollution, 111(3), 389-394, 2001.WebSite
Photochemical formation of OH radicals in dew formed on the pine needles at Mt. Gokurakuji
N. Nakatani, T. Miyake, M. Chiwa, N. Hashimoto, T. Arakak, H. Sakugawa
Water, Air, and Soil Pollution, 130(1), 397-402, 2001.WebSite
Simulation of dry deposition rates of acidic pollutants ― an assessment of deposition pathways in Hiroshima, Japan
J. R. Sinogaya, H. Sakugawa
Water, Air, and Soil Pollution, 130(1), 583-588, 2001.WebSite
Trends of air pollution and its present situation in Hiroshima Prefecture
P. K. Roy, H. Sakugawa
Water, Air, and Soil Pollution, 130(1), 1805-1810, 2001.WebSite
Harmful effects of radicals generated in polluted dew on the needles of Japanese red pine (Pinus densiflora)
A. Kume, T. Arakaki, N. Tsuboi, M. Suzuki, D. Kuramoto, K. Nakane H. Sakugawa
New Phytologist, 152(1), 53-58, 2001.WebSite
2000年
アカマツ苗木のガス交換とクロロフィル蛍光の日変化
小林剛, 中谷暢丈, 鈴木雅代, 三宅隆之, 金度勲, 平川剛, 久米篤, 中根周歩, 佐久川弘
日本緑化工業会誌, 26(4), 343-348, 2000.J-Stage/OpenAccess
Physiological characteristics of Japanese red pine, Pinus densiflora Sieb. et Zucc., in declined forests at Mt. Gokurakuji in Hiroshima Prefecture, Japan
A. Kume, N. Tsuboi, T. Satomura, M. Suzuki, M. Chiwa, K. Nakane, N. Sakurai, T. Horikoshi, H. Sakugawa
Trees, 14(6), 305-311, 2000.WebSite
広島県極楽寺山におけるアカマツ葉枝上の酸性沈着物質
苗村晶彦, 智和正明, 竹田一彦, 中根周歩, 佐久川弘
日本生気象学会雑誌, 37(1), 15-20, 2000.J-Stage/OpenAccess
Three-year determination of trace metals and the lead isotope ratio in rain and snow depositions collected in Higashi-Hiroshima, JAPAN
K. Takeda, K. Marumoto, T. Minamikawa, H. Sakugawa, K. Fujiwara
Atmospheric Environment, 34(26), 4525-4535, 2001.WebSite
東広島における降水中の有機酸の濃度、沈着量及び発生源
三宅隆之, 竹田一彦, 藤原祺多夫, 佐久川弘
日本化学会誌, 2000(5), 357-366. 2000.J-Stage/OpenAccess
1999年
瀬戸内海における海洋光化学反応の解析
竹田一彦, 佐久川弘, 大田啓一, 平田静子, 高見朗, 河井裕, 藤原祺多夫
海の研究, 8, 323-332 (1999).CiNii/OpenAccess
雨水・露水中におけるOHラジカルの生成および消失反応機構
新垣雄光, 三宅隆之, 柴田美智恵, 佐久川弘
日本化学会誌, 1999(5), 335-340, 1999.J-Stage/OpenAccess
pH dependent photoformation of hydroxyl radical and absorbance of aqueous-phase N(III) (HNO2 and NO2)
T. Arakaki, T. Miyake, T. Hirakawa, H. Sakugawa
Environmental Science and Technology, 33(15), 2561-2565, 1999.WebSite
1998年
中国地方のアカ松年輪中の重金属濃度および鉛安定同位体比の測定と海底堆積物との比較
竹田一彦, 山本昌弘, 丸本幸治, 佐久川弘, 藤原祺多夫
日本化学会誌, 1998(2), 99-106, 1998.J-Stage/OpenAccess
雨水・露水中に光化学的に生成するヒドロキシラジカル量の計測
新垣雄光, 三宅隆之, 柴田美智恵, 佐久川弘
日本化学会誌, 1998(9), 619-625, 1998.J-Stage/OpenAccess
A new automatic hydrothermal fluid sampler using a shape-memory alloy
T. Naganuma, M. Kyo, T. Ueki, K. Takeda, J. Ishibashi
Journal of Oceanography, 54, 241-246, 1998.OpenAccess
1997年
Magneto-optic fluorescence behavior of anthracene and its derivatives in a diluted magnetic fluid solution
K. Fujiwara, T. Kato, S. Ito, K. Takeda.
Spectroscopy Letter, 30(6), 1135-1147, 1997.WebSite
Radio- and stable isotope measurements of atmospheric carbon monoxide in Los Angeles
H. Sakugawa, I. R. Kaplan
Geochemical Journal, 31(2), 75-83, 1997.OpenAccess
広島県極楽寺山におけるガス状汚染物質の動態とマツ・広葉樹の樹木活力度との相関関係
苗村晶彦, 中根周歩, 佐久川弘, 福岡義隆
環境科学会誌, 10(1), 1-10, 1997.J-Stage/OpenAccess
1996年
Characteristics on the determination of dissolved organic nitrogen compounds in natural waters using titanium dioxide and platinized titanium dioxide mediated photocatalytic degradation
K. Takeda, K. Fujiwara
Water Research, 30(2), 323-330, 1996.WebSite
Determination of silicate by hollow cathode glow discharge-atomic emission spectrometry with hydride generation technique
K. Fujiwara, E. P. Wagner II, B. W. Smith, J. D. Winefordner
Analytical Letter, 29(11), 1985-1992, 1996.WebSite
Climatic inversion layer and atmospheric NOx concentration on the slope of forest decline are in the Seto Inland Sea District, Japan
A. Naemura, A. Tsuchiya, Y. Fukuoka, K. Nakane, H. Sakugawa, H. Takahashi
Japanese Journal of Biometeorology. 33(4), 131-136, 1996.J-Stage/OpenAccess
1995年
Temporal variation of the partial pressure of CO2 in surface seawater of Iyonada in the Seto Inland Sea, Japan
Y. Kumamoto, K. Fujiwara, H. Tsubota
Journal of Oceanography, 51(6), 681-697, 1995.OpenAccess
広島県における大気並びに雨水中有機酸の測定
佐久川弘, 竹野律子, 松木佳奈子, 三宅隆之, 竹田一彦, 藤原祺多夫
日本化学会誌, 1995(10), 823-829, 1995.J-Stage/OpenAccess
Thermal lens produced in nematic liquid crystal
H. Ono, K. Takeda, K. Fijiwara
Applied Spectroscopy, 49(8), 1189-1192, 1995.WebSite
Solid-phase hydride generation of silane for determination of silicate by ICP-AES
T. Kumamaru, M. Uchida, K. Fujiwara, Y. Okamoto, K. Fujiwara
Applied Spectroscopy, 49(1), 76-79, 1995.WebSite
Molecular solid of zinc tetraphenilporphyrin as a model organic semiconductor with a well-defined depletion layer
Y. Harima, K. Takeda, K. Yamashita
Journal of Physics and Chemistry of Solids, 56(9), 1223-1229, 1995.WebSite
Stable carbon isotope mesurements of atmospheric organic acids in Los Angeles, California
H. Sakugawa, I. R. Kaplan
Geophysical Research Letter, 22(12), 1509-1512, 1995.WebSite
1994年
Photoproduction and quenching of hydrated electrons from dissolved organic matter in natural waters
Y. Kumamoto, J. Wang, K. Fujiwara
Bulletin of the Chemical Society of Japan, 67(3), 720-727, 1994.J-Stage/OpenAccess
広島および東広島における大気並びに雨水中の過酸化水素の測定
山下敏広, 佐久川弘, 藤原祺多夫
日本化学会誌, 1994(12), 1127-1133, 1994.J-Stage/OpenAccess
Temporal variation of dissolved organic nitrogen and phosphorus in Hiuchi-Nada and Iyo-Nada in the Seto Inland Sea
Y. Kumamoto, H. Tsubota, K. Fujiwara
Environmental Science, 7(1), 1-12, 1994.J-Stage/OpenAccess
1993年
Diurnal and seasonal distribution of hydrogen peroxide in seawater of Seto Inland Sea
K. Fujiwara, T. Ushiroda, K. Takeda, Y. Kumamoto, H. Tubota
Geochemical Journal, 27(2), 103-115, 1993.OpenAccess
Ozone gas-phase chemiluminescence for silane and its application to the determination of silicate in natural waters
K. Fujiwara, M. Uchida, M. Chen, Y. Kumamoto, T. Kumamaru
Analytical Chemistry, 65(14), 1814-1819, 1993.WebSite
Determination of nitrate in natural waters with the photo- induced conversion of nitrate to nitrite
K. Takeda, K. Fujiwara
Analytica Chimica Acta, 276(1), 25-32, 1993.WebSite
Comparison of H2O2 and O3 content in atmospheric samples in the San Bernardino Mountains, Southern California
H. Sakugawa, I.R. Kaplan
Atmospheric Environment, 27A(9), 1509-1515, 1993.WebSite
Measurements of H2O2, aldehydes and organic acids in Los Angeles rainwater: Their sources and deposition rates
H. Sakugawa, I.R. Kaplan, L.S. Shepard
Atmospheric Environment, 27B(2), 203-219, 1993.WebSite
1992年
Side-view type of waveguide flow cells for fluorimetry as a detector for flow injection analysis of lead
K. Fujiwara, S. Ito, R. Kojyo, H. Tsubota, R. L. Carter
Applied Spectroscopy, 46(6), 1032-1039, 1992.WebSite
二酸化硫黄の排出量と硫酸湿性沈着量の関係ー北米における研究例
佐久川弘
大気汚染学会誌, 27(2), 97-100, 1992.J-Stage/OpenAccess
1991年
Flame spectrophotometric determination of borate based on diborane generation
K. Fujiwara, H. Tsubota, S. Tsumura, S. Iwata, T. Kumamaru
Analytica Chimica Acta, 246(2), 413-419, 1991.WebSite
Photoelectrochemical and optical properties of porphyrin thin films prepared by the electrolytic micelle disruption method
K, Takeda, Y. Harima, K. Yamashita. 
Canadian Journal of Chemistry, 69(2), 192-197, 1991.WebSite
Hydrogen peroxide levels in Los Angeles: a screening-level evaluation
W. Tsai, Y. Cohen, H. Sakugawa, I. R. Kaplan
Atmospheric Environment, 25B(1), 67-78, 1991.WebSite
Dynamic partitioning of semi-volatile organics in gas/particle/rain phases during rain scavenging
W. Tsai, Y. Cohen, H. Sakugawa, I. R. Kaplan
Environmental Science and Technology, 25(12), 2012-2023, 1991.WebSite