Reviewed paper


Radioactivity in Environment


M. Hori, T. Saito, K. Shozugawa, Source evaluation of 137Cs in foodstuffs based on trace 134Cs radioactivity measurements following the Fukushima nuclear accident, Scientific reports, 2018, accepted.

K.Shozugawa, H. Mayumi, R. Takakura, 都立公園内における特異的な池の堆積物中の放射性セシウムの水平・垂直分布, 環境化学, 28(3), 77-81, 2018.

A.Weller, M. Hori, K. Shozugawa, G. Steinhauser, Rapid ultra-trace determination of Fukushima-derived radionuclides in food, Food Control, 85, 376-384, 2018.

T. Takizawa, N. Nogawa, K. Shozugawa, 東京大学駒場1キャンパスにおける福島第一原発事故由来の放射性ヨウ素の動態(Dynamics of radioiodine originated from Fukushima Dai-ichi accident in Komaba 1 campus, the University of Tokyo), radioisotopes, 67(1), 1-10, 2018.


B. L. Rosenberg, J. E. Ball, K. Shozugawa, G. Korschinek K. Nanba, T. E. Johnson, A. Brandl, G. Steinhauser, Radionuclide Pollution inside the Fukushima Daiichi Exclusion Zone, Part 1: Depth Profiles of Radiocesium and Strontium-90 in Soil, Applied Geochemistry, accepted, 2017.

S. Schneider, S. Bister, M. Christl, M. Hori, K. Shozugawa, H.A. Synal, G. Steinhauser, C. Walther, Radionuclide pollution inside the Fukushima Daiichi exclusion zone, part 2: Forensic search for the “Forgotten” contaminants Uranium-236 and plutonium, Applied Geochemistry, accepted, 2017.

(in Japanese/English abstract)小豆川勝見, 放射線測定から見た復興(福島原発災害後の環境と地域社会 ―放射線の影響に関する研究を中心に―), 学術の動向, 22(4), 40-43, 2017.


(in Japanese/English abstract)小豆川勝見, 堀まゆみ, 福島第一原子力発電所事故後の大熊町夫沢地区の自噴井戸・湧水における放射性セシウムの経年変化, 温泉科学, 66(3), 179-187, 2016.

K. Shozugawa, T. Saito, M. Hori, M. Matsuo, High Sensitive Analysis of Radioactive Cesium in Japanese Foodstuffs: Three Years after the Fukushima Accident, Journal of Radioanalytical and Nuclear Chemistry, 307(3), 2117-2122, 2016.

K. Shozugawa, B. Riebe, C. Walther, A. Brandl, G. Steinhauser, Fukushima-derived radionuclides in sediments of the Japanese Pacific Ocean coast and various Japanese water samples (seawater, tap water, and coolant water of Fukushima Daiichi reactor unit 5), Journal of Radioanalytical and Nuclear Chemistry, 307(3), 1787-1793, 2016.

S. Merz, K. Shozugawa, G. Steinhauser, Effective and ecological half-lives of 90Sr and 137Cs observed in wheat and rice in Japan, Journal of Radioanalytical and Nuclear Chemistry, 307(3), 1807-1810, 2016.


G. Steinhauser, T. Niisoe, K. H Harada, K. Shozugawa, S. Schneider, H. A. Synal, C. Walther, M. Christl, K. Nanba, H. Ishikawa, A. Koizumi, Post-accident sporadic releases of airborne radionuclides from the Fukushima Daiichi nuclear power plant site, Environmental Science & Technology, 49(24), 14028-14035, 2015.

Cover! Envrionmental Science&Technology vol. 24, 2015

(in Japanese)山本光夫,加藤孝義,多部田茂,北澤大輔,藤野正俊,小豆川勝見,松尾基之,田中潔,道田豊, 東日本大震災後の釜石湾における海域環境変化, 日本水産学会誌(Nippon Suisan Gakkaishi), 81(2), 243-255, 2015.

B. Rosenberg, K. Shozugawa, G. Steinhauser, Detection of Fuel Release in a Nuclear Accident: A Method for Preconcentration and Isolation of Reactor-Borne 239Np Using Ion-Specific Extraction Chromatography, Analytical Chemistry, 87(17), 8651-8656, 2015.

S. Merz, K. Shozugawa, G. Steinhauser, Analysis of Japanese Radionuclide Monitoring Data of Food Before and After the Fukushima Nuclear Accident, Environmental Science & Technology, 49(5), 2875-2885, 2015.


M. Yamamoto, D. Kitazawa, T. Kato, S. Komatsuda, M. Matsuo, K. Shozugawa, S. Tabeta, Evaluation of the Great East Japan Earthquake on the Coastal Environment in Kamaishi Bay, Proceedings of the 4th Asia-Pacific Young Water Professionals Conference(APYWP2012), 65-68, 2013.

S. Schneider, C. Walther, S. Bister, V. Schauer, M. Christl, H. A. Synal, K. Shozugawa, G. Steinhauser, Plutonium release from Fukushima Daiichi fosters the need for more detailed investigations, Scientific Reports, 3, 2988, 2013.

(in Japanese/English abstract)添盛晃久, 小豆川勝見, 野川憲夫, 桧垣正吾, 松尾基之, 東京湾底質における福島第一原子力発電所事故由来の放射性セシウムの濃度変化, 分析化学, 62(12), 1079, 2013.

(in Japanese/English abstract)小豆川勝見, 野川憲夫, 松尾基之, もみ殻等を用いる環境水中の放射性セシウムの除染法の検討, 分析化学, 62(6), 547, 2013.

(in Japanese/English abstract)小森昌史, 小豆川勝見, 野川憲夫, 松尾基之, 134Cs/137Cs放射能比を指標とした福島第一原子力発電所事故に由来する放射性核種の放出原子炉別汚染評価, 分析化学, 62(6), 475, 2013.

G. Steinhauser, V. Schauer, K. Shozugawa, Strontium-90 contaminations at selected hot spots in Japan, PloS ONE, 8(3), e57760, 2013.


H. Kitawaki, Y. Horikawa, K. Shozugawa, N. Nogawa, Radioactive Morganite, Gems & Gemology, 48(1), 42, 2012.

K. Shozugawa, N. Nogawa, M. Matsuo, Deposition of fission and activation products after the Fukushima Dai-ichi nuclear power plant accident, Environmental Pollution, 163, 243, 2012.

57Fe Mossbauer Analysis


D. Kato, K. Aoki, T. Komiya, S. Yamamoto, Y. Sawaki, H. Asanuma, T. Sato, Y. Tsuchiya, K. Shozugawa, M. Matsuo, B. F.Windleyg, Constraints on the P-T conditions of high-pressure metamorphic rocks from the Inyoni shear zone in the mid-Archean Barberton Greenstone Belt, South Africa, Precambrian Research, 2018, accepted.

F. Fujishiro, M. Izaki, C. Sasaoka, T. Hashimoto, K. Shozugawa, and M. Matsuo, Analysis of phase transition by variation of oxide ion content in BaFe0.9In0.1O3-δ as oxygen storage material using Mossbauer spectroscopy - discovery of magnetic phase transition with cubic structure maintained, Materials Letters, 2018, accepted.

A. Ijiri, N. Tomioka, S. Wakaki, H. Masuda, K. Shozugawa, S. Kim, B.K. Khim, M. Murayama, M. Matsuo, F. Inagaki, Low-temperature clay mineral dehydration contributes to porewater dilution in Bering Sea Slope subseafloor, Frontiers in Earth Science, 6:36. doi: 10.3389/feart.2018.00036, 2018.


K. Kurata, Y. Toyota, T. Sato, E. Niwa, K. Shozugawa, M. Matsuo, T. Hashimoto, Crystal Structure, Thermal Expansion and Electrical Conduction Behavior of PrNi1-xFexO3-δ at High Temperature, Journal of the Ceramic Society of Japan, 125(4), 227-235, 2017.


T. Sato, T. Okiba, K. Shozugawa, M. Matsuo, F. Fujishiro, E. Niwa, T. Hashimoto, Dependence of crystal structure, phase transition temperature, chemical state of Fe, oxygen content and electrical conductivity of Ba2-xLaxFe2O5+δ (x=0.00-0.15) on La content, Solid State Ionics, 290, 71-76, 2016.

Xiangxian Ma, Guodong Zheng, Wang Xu, Minliang Liang, Qiaohui Fan, Yingzhong Wu, Conglin Ye, Katsumi Shozugawa, Motoyuki Matsuo, Iron speciation and mineral characterization of upper Jurassic reservoir rocks in the Minhe Basin, NW China, Hyperfine Interact (2016) 237:77


T. Sato, Y. Sawaki, H. Asanuma, W. Fujisaki, Y. Okada, S. Maruyama, Y. Isozaki, K. Shozugawa, M. Matsuo, B. F Windley, Redox condition of the late Neoproterozoic pelagic deep ocean: 57Fe Mossbauer analyses of pelagic mudstones in the Ediacaran accretionary complex, Wales, UK, Tectonophysics, 662, 472-480, 2015.

E. Niwa, T. Sato, H. Watanabe, Y. Toyoda, Y. Hatakeyama, K. Judai, K. Shozugawa, M. Matsuo, T. Hashimoto, Dependence of crystal symmetry, electrical conduction property and electronic structure of LnFeO3(Ln: La, Pr, Nd, Sm) on kinds of Ln3+, J. Ceramic Society of Japan, 123(6), 501-506, 2015.


M. Saito, Y. Ueno, Y. Isozaki, M. Nishizawa, K. Shozugawa, T. Kawamura, J. Yao, Z. Ji, K. Takai, N. Yoshida, M. Matsuo, Isotopic evidence for water-column denitrification and sulfate reduction at the end-Guadalupian (Middle Permian), Global and Planetary Change, 123, 110-120, 2014.


H. Kagi, S. Odake, H. Ishibashi, K. Shozugawa, M. Matsuo, W. Satake, T. Mikouchi, Oxygen fugacity and valence state of chromium in ferropericlase: Can Cr2+ be a redox indicator for the deep mantle?, Journal of Mineralogical and Petrological Science, 108(3), 172, 2013.

Z. W. Zheng, G. D. Zheng, K. Shozugawa, M. Matsuo, Y. D. Zhao, Iron and sulfur speciation in some sedimentary-transformation-type of lead-zinc deposits in West Kunlun lead-zinc ore deposit zone, Northwest China, J. Radioanalytical Nuclear Chemistry, 297, 83, 2013.


T. Sato, Y. Isozaki, K. Shozugawa, K. Seimiya, M. Matsuo, 57Fe Mossbauer analysis of the Upper Triassic-Lower Jurassic deep-sea chert: Paleo-redox history across the Triassic-Jurassic boundary and Toarcian oceanic anoxic event, Hyperfine interactions, 208, 95, 2012.

K. Shozugawa, N. Hara, Y. Kanai, M. Matsuo, Evidence for a weakening 'dead zone' in Tokyo Bay over the past 30 years, Hyperfine interactions, 207, 89, 2012.

T. Hashimoto, E. Niwa, C. Uematsu, E. Miyashita, T. Ohzeki, K. Shozugawa, M. Matsuo, Chemical state of Fe in LaNi1-xFexO3 and its effect on electrical conduction property, Hyperfine interactions, 206, 47, 2012.


T. Sato, Y. Isozaki, K. Shozugawa, M. Matsuo, 57Fe Mossbauer spectroscopic analysis of deep-sea pelagic chert: Effect of secondary alteration with respect to paleo-redox evaluation, J. Asian Earth Science, 42, 1403-1410, 2011.


T. Ohzeki, T. Hashimoto, K. Shozugawa, M. Matsuo, Preparation of LaNi1-xFexO3 Single Phase and Characterization of Their Phase Transition Behaviors, Solid State Ionics, 181, 1771-1782, 2010.


K. Shozugawa, A. Kuno, H. Miura, M. Matsuo, 57Fe Mossbauer study of Specific species in the Antarctic Ocean sediments, Journal of Nuclear and radiochemical sciences, 10(1), 13, 2009.



L. Fu, K. Shozugawa, M. Matsuo, Oxidation of antimony (III) in soil by manganese (IV) oxide using X-ray absorption fine structure, Journal of Environmental Sciences, accepted, 2018.


M. Hori, K. Shozugawa, M. Matsuo, Reduction process of Cr(VI) by Fe(II) and humic acid analyzed using high time resolution XAFS analysis, J. Hazardous Materials, 285, 140-147, 2015.


(in Japanese/English abstract)堀まゆみ, 小豆川勝見, 松尾基之, X線吸収微細構造法におけるクロム価数別定量法の改良と土壌中6価クロムの還元評価, 分析化学, 60(5), 379, 2011.



K. Shozugawa, M. Matsuo, Y. Sano, Y. Toh, Y. Murakami, K. Furutaka, M. Koizumi, A. Kimura, K. Hara, T. Kin, M. Oshima, S. Nakamura, H. Harada, Chemical composition of sediments from marine shallow-water hydrothermal mounds in Wakamiko submarine crater revealed by multiple prompt gamma-ray analysis, J. radioanalytical and nuclear chemistry, 291(2), 341, 2012.


(in Japanese/English abstract)大島真澄, 松尾基之, 小豆川勝見, 多重即発γ線分析による環境中の微量元素分析(Trace element analysis of environmental samples by multiple prompt gamma-ray analysis method), 応用物理, 80(11), 0948, 2011.


(in Japanese/English abstract)松尾基之, 小豆川勝見, 藤暢輔, 大島真澄, 多重即発ガンマ線分析の環境試料分析への適応性の検討:MPGA法を用いた底質標準試料および干潟底質試料中のカドミウムの分析, Proceedings of the Workshop on Multiple Prompt Gamma-ray Analysis, JAEA-Review, 2008-056, 19-31, 2008.



(in Japanese/English abstract)堀まゆみ, 小豆川勝見, 高野穆一郎, 松尾基之, 東大寺大湯屋鉄湯船と本坊鋳鉄断片の異同分析, 材料と環境,65(9), 386-389, 2016. (本論文の英訳版はこちらです。Similarity Analysis between Oyuya Cast Iron Bathtub and Excavated Cast Iron Lump in the Precinct of Todaiji Temple, M. Hori, K. Shozugawa, B. Takano, M. Matsuo, Corrosion Engineering, 65(9), 304-308, 2016.(DOI: 10.3103/S0892422816090044)

Cr(VI) contamination


(in Japanese/English abstract)堀まゆみ, 小豆川勝見, 松尾基之, クロム鉱滓処理地からの6価クロム浸出と降雨との関連性(Relevance of hexavalent chromium seepage to rainfall at chromium slag dumping site in Tokyo), 環境化学, accepted, 2017.


M. Hori, K. Shozugawa, M. Matsuo, Hexavalent chromium pollution caused by dumped chromium slag at the urban park in Tokyo, J. material cycles and waste management, 17(1), 201-205, 2015.

Activation Analysis


T. Yamagata, K. Shozugawa, R. Okumura, K. Takamiya, M. Matsuo, A study on redox sensitive elements in the sediments at dredged trenches in Tokyo Bay by Instrumental Neutron Activation Analysis, J. Radioanal. Nucl. Chem., 303(2), 1179-1183, 2015.


K. Shozugawa, A. Kuno, Y. Sano, M. Matsuo, Estimation of the sources of pelagic sediments from the South Pacific Ocean to the Antarctic Ocean, Journal of Radioanalytical and Nuclear Chemistry, 278(2), 331-335, 2008.



M. Saitoh, Y. Ueno, Y. Isozaki, T. Shibuya, J. Yao, Z. Ji, K. Shozugawa, M. Matsuo, N. Yoshida, Authigenic carbonate precipitation at the end-Guadalupian (Middle Permian) in China: Implications for the carbon cycle in ancient anoxic oceans, Progress in Earth and Planetary Science, 2:41.



T. Takahashi, K. Shozugawa, M. Matsuo, Contribution of Amorphous Iron Compounds to Adsorptions of Pentavalent Antimony by Soils, Water, Air, Soil Pollution, 208(1), 165-172, 2010.

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