Papers - TAZOE Hirofumi
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Determination of Nd isotopic composition in seawater using newly developed solid phase extraction and MC-ICP-MS
Hirofumi Tazoe, Hiroshi Amakawa, Katsuhiko Suzuki, Jun Nishioka, Takuya Hara, Hajime Obata
TALANTA 232 122435 - 122435 2021.9
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Using neodymium isotope ratio in Ruditapes philippinarum shells for tracking the geographical origin
Kentaro Tanaka, Liqiang Zhao, Hirofumi Tazoe, Tsuyoshi Iizuka, Naoko Murakami-Sugihara, Kotaro Toyama, Toshihiro Yamamoto, Takefumi Yorisue, Kotaro Shirai
Food Chemistry 382 131914 - 131914 2022.1
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Spatiotemporal change of cesium-137 in the Pacific coast of Tohoku, Japan: The mussel watch approach
Naoko Murakami-Sugihara, Kotaro Shirai, Hirofumi Tazoe, Kaoruko Mizukawa, Hideshige Takada, Takeyasu Yamagata, Shigeyoshi Otosaka, Hiroshi Ogawa
Marine Pollution Bulletin 168 112413 - 112413 2021.7
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The geological imprint of neodymium isotopes in marine gastropods
Zoe Doubleday, Ming-Tsung Chung, Justin Payne, Jasmin Martino, Kentaro Tanaka, Hirofumi Tazoe, Arieli Tristao Rezio, Po-Chao Wu, Kuo-Fang Huang, Kotaro Shirai
Proceedings of the Royal Society B: Biological Sciences 293 ( 2064 ) 2026.2
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External radiation exposure via car-borne survey among returnees in former restricted regions in Fukushima a decade after the nuclear accident
Yasutaka Omori, Yuki Oda, Masahiro Hosoda, Yasuyuki Taira, Mayumi Shimizu, Ryohei Yamada, Hirofumi Tazoe, Masaru Yamaguchi, Minoru Osanai, Naofumi Akata, Shinji Tokonami
Scientific Reports 2026.5
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Radiation Research at Hirosaki University after the Fukushima Accident: Contributions to Public Health, Education, and Community Resilience
Masahiro Hosoda, Donovan Anderson, Ryohei Yamada, Yohei Fujishima, Kazutaka Tanaka, Hiromi Kudo, Yasutaka Omori, Chutima Kuranrod, Hirofumi Tazoe, Naofumi Akata, Chieko Itaki, Tomisato Miura, Ikuo Kashiwakura, Shinji Tokonami
Radiation Medicine and Protection 2026.5
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Cerium isotopes unveil hydrogenetic Fe-Mn encrustation occurring throughout from the oxygen minimum zone to the deep pacific.
Wenshuai Li, Ryoichi Nakada, Hajime Obata, Naoya Kanna, Inhee Kim, Teruhiko Kashiwabara, Kotaro Higashi, Naomi Kawamura, Yoshihiro Asahara, Hirofumi Tazoe, Masato Tanaka, Akira Usui, Yoshio Takahashi
Science advances 12 ( 18 ) eaee2813 2026.5
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Intercomparison of tritium analysis in urine and water
Guosheng Yang, Haruka Kuwata, Naofumi Akata, Eunjoo Kim, Seokwon Yoon, Hatsuho Seno, Hirofumi Tazoe, Munehiko Kowatari, Osamu Kurihara
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 2026.4
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Geochemical and Radiological Characterization of Granitic-Derived Highland Coffee Soils in Chiang Mai, Thailand
Khemruthai Kheamsiri; Naofumi Akata; Chutima Kranrod; Hirofumi Tazoe; Tarika Thumvijit; Ilsa Rosianna; Haruka Kuwata; Krit Khetanun; Narit Yimyam; Yusuke Unno et al.
geosciences 16 ( 3 ) 110 2026.3
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Geochemical and Radiological Characterization of Granitic-Derived Highland Coffee Soils in Chiang Mai, Thailand
Khemruthai Kheamsiri, Naofumi Akata, Chutima Kranrod, Hirofumi Tazoe, Tarika Thumvijit, Ilsa Rosianna, Haruka Kuwata, Krit Khetanun, Narit Yimyam, Yusuke Unno, Akira Takeda
GEOSCIENCES 16 ( 3 ) 2026.3
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Occupational radiation exposure assessment in tin smelting: an integrated evaluation of external and internal doses from NORM in Indonesia.
Rosianna I, Pradana R, Nugraha ED, Wahyudi W, Farid MM, Permana S, Muhammad AG, Muniroh M, Amqam H, Kranrod C, Anderson D, Tazoe H, Tokonami S, Akata N
Frontiers in public health 14 1808363 2026
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Indoor and outdoor exposure to atmospheric radionuclides in areas affected by the Fukushima nuclear accident
Yuki Tamakuma, Donovan Anderson, Chutima Kranrod, Yasuyuki Taira, Yuki Oda, Yasutaka Omori, Hirofumi Tazoe, Tetsuya Sanada, Koya Ogura, Masahide Furukawa, Yoshitaka Shiroma, Hiromi Kudo, Mayumi Shimizu, Ryohei Yamada, Naofumi Akata, Masahiro Hosoda, Shinji Tokonami
Science of The Total Environment 1008 181027 - 181027 2025.12
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Correspondence on "Fukushima Contaminated Water Risk Factor: Global Implications"
Donovan Anderson, Yohei Fujishima, Thomas G. Hinton, Mathew P. Johansen, Haruko Wainwright, Georg Steinhauser, Maksym A. Gusyev, Blake Orr, Tsuyoshi Masuda, Peter A. Bryant, Sarah Donaher, Yuichi Onda, Daisuke Tsumune, Aya Sakaguchi, Amber Harshman, Thomas Johnson, James C. Beasley, Tatsuo Aono, Shinya Yamasaki, Deborah Oughton, Ole Christian Lind, Jim Hondros, Nicholas S. Fisher, William Stephenson, Cameron Jeffries, Hirofumi Tazoe, Naofumi Akata, Masahiro Hosoda, Tomisato Miura, Shinji Tokonami
ENVIRONMENTAL SCIENCE & TECHNOLOGY 59 ( 46 ) 25113 - 25115 2025.11
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Study of Soil Properties in Relation to Radionuclides in Coffee Samples from Thailand and Japan
Kheamsiri Khemruthai, Akata Naofumi, Kranrod Chutima, Tazoe Hirofumi, Thumwijit Tarika, Rosianna Ilsa, Kuwata Haruka, Khetanun Krit, Yimyam Narit, Unno Yusuke
Radiation Environment and Medicine 14 ( 2 ) 117 2025.8
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Collaborative Seminar at Hirosaki University with Korea Institute of Radiological and Medical Sciences (KIRAMS) and Chang Gung Memorial Hospital (CGMH)
Hosoda Masahiro, Jeong Geum-cheol, Seong Ki Moon, Yang Susan, Lee Seung Bum, Jeong Jaemin, Cho Minsu, Kuo Chin-I, Chen Po-Cheng, Lin Chih-Chuan, Hanada Hiroyuki, Yamaguchi Masaru, In Naoya, Ohta Kazuki, Tsuchiya Ryoko, Saga Ryo, Takamagi Shizuka, Hosokawa Shota, Terashima Shingo, Osanai Minoru, Mikami Kasumi, Kudo Hiromi, Aizu Keiko, Kitajima Maiko, Urushizaka Mayumi, Tomisawa Toshiko, Anderson Donovan, Yamada Ryohei, Tazoe Hirofumi, Miura Tomisato, Akata Naofumi, Tsujiguchi Takakiyo, Ito Katsuhiro, Nakamura Toshiya, Tokonami Shinji, Kashiwakura Ikuo
Radiation Environment and Medicine 14 ( 2 ) 83 2025.8
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Development of Precise Chemical Analysis Techniques and Their Integration into Interdisciplinary Fields
Tazoe Hirofumi, Wakaki Shigeyuki, Shirai Kotaro
Radiation Environment and Medicine 14 ( 2 ) 99 2025.8
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Quantifying Radon Exhalation Rates from Latex Pillows and Evaluating Potential User Exposure
Sola Phachirarat, Boonsirichai Kanokporn, Rattanapongs Chanis, Klakhaeng Nittaya, Tazoe Hirofumi, Kranrod Chutima, Hosoda Masahiro, Tokonami Shinji
Radiation Environment and Medicine 14 ( 2 ) 94 2025.8
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Elevated levels of tritium in surface water collected in the immediate aftermath of the Fukushima accident
Khemruthai Kheamsiri, Donovan Anderson, Hirofumi Tazoe, Kazusa Okada, Nao Otashiro, Haruka Kuwata, Hideki Kakiuchi, Masahiro Hosoda, Tibor Kovács, Shinji Tokonami, Naofumi Akata
Environmental Pollution 372 126040 - 126040 2025.5
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Fukushima’s Tap and Groundwater a Decade after the Nuclear Accident with Radiocesium, Tritium, and Radon
Donovan Anderson, Yuki Oda, Yasuyuki Taira, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Chutima Kranrod, Ryohei Yamada, Haruka Kuwata, Yuki Tamakuma, Hiromi Kudo, Minoru Osanai, Natsuki Nishimura, Yumi Yasuoka, Tetsuya Sanada, Masahiro Hosoda, Shinji Tokonami
Environmental Science & Technology 59 ( 10 ) 4906 - 4914 2025.3
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Fukushima’s Tap and Groundwater a Decade after the Nuclear Accident with Radiocesium, Tritium, and Radon
Donovan Anderson, Yuki Oda, Yasuyuki Taira, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Chutima Kranrod, Ryohei Yamada, Haruka Kuwata, Yuki Tamakuma, Hiromi Kudo, Minoru Osanai, Natsuki Nishimura, Yumi Yasuoka, Tetsuya Sanada, Masahiro Hosoda, Shinji Tokonami
Environmental Science & Technology 59 ( 10 ) 4906 - 4914 2025.3
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Natural gamma dose rate and radioactivity concentrations at a former tin mining area in Kanchanaburi, Thailand
2025.3
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Elevated levels of tritium in surface water collected in the immediate aftermath of the Fukushima accident
Khemruthai Kheamsiri, Donovan Anderson, Hirofumi Tazoe, Kazusa Okada, Nao Otashiro, Haruka Kuwata, Hideki Kakiuchi, Masahiro Hosoda, Tibor Kovács, Shinji Tokonami, Naofumi Akata
Environmental Pollution 372 126040 - 126040 2025.3
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Assessment of the Radiation Exposure in Tin Processing Samples from Industry at High Background Radiation Area, Bangka, Indonesia
Rosianna Ilsa, Pradana Radhia, Wahyudi, Fajrianshah Evans Azka, Ciputra Roni Cahya, Sukadana I Gde, Syaeful Heri, Indrastomo Frederikus Dian, Pratiwi Fadiah, Adimedha Tyto Baskara, Nugraha Eka Djatnika, Tazoe Hirofumi, Akata Naofumi, Tokonami Shinji
Radiation Environment and Medicine 14 ( 1 ) 62 2025.2
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Fertilizer Impact on Soil Properties in the Coffee Field, AIRID Training Center, Chiang Mai University, Thailand
Kheamsiri Khemruthai, Akata Naofumi, Kranrod Chutima, Tazoe Hirofumi, Thumwijit Tarika, Khetanun Krit, Yimyam Narit
Radiation Environment and Medicine 14 ( 1 ) 57 2025.2
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Tritium Concentration in Surface Seawater from the Equatorial to the Subtropical Region of North Pacific
Fukuda Honoka, Akata Naofumi, Kuwata Haruka, Kheamsiri Khemruthai, Kitayama Yuisa, Tazoe Hirofumi
Radiation Environment and Medicine 14 ( 1 ) 66 2025.2
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A Bioassay Analysis of Uranium and Lead in Urine Samples from a High Natural Background Radiation Area in Indonesia
Very Susanto, Radhia Pradana, Eka Djatnika Nugraha, Prihadi Sumintadireja, Oumar Bobbo Modibo, Ilsa Rosianna, Nastiti Rahajeng, Haeranah Ahmad, Rusbani Kurniawan, Leons Rixson, Atika Yuningsih, Yusraini Dian Inayati Siregar, Asep Saepuloh, Wahyudi Wahyudi, Hirofumi Tazoe, Naofumi Akata, Shinji Tokonami
Environments 12 ( 2 ) 51 - 51 2025.2
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Optimization of pretreatment protocol for strontium-90 analysis in marine fish bone samples.
Tazoe H, Amano Y, Ishida Y, Yamada M, Akata N
Radiation protection dosimetry 200 ( 16-18 ) 1861 - 1866 2024.11
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ネオジム同位体比による新たな産地同定手法-地球化学分野における化学トレーサーの異分野への展開-
田副博文
海洋化学研究 37 83 - 93 2024.11
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Effect of Virtual-Reality-Based Training on Emotions of Medical Students Undertaking Radiation Emergency Medicine: An Educational Experimental Study.
Osamu Nomura, Yuki Soma, Yusuke Ikezaki, Hirofumi Tazoe, Minoru Osanai, Shota Hosokawa, Takakiyo Tsujiguchi, Katsuhiro Ito, Hiroyuki Hanada, Toshiko Tomisawa
Disaster medicine and public health preparedness 18 e198 2024.10
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Radon exhalation rate from the latex pillows and its potential exposure to users
Radiation Medicine and Protection 5 ( 4 ) 238 - 242 2024.9
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Radon exhalation rate from the latex pillows and its potential exposure to users
Phachirarat Sola, Kanokporn Boonsirichai, Santi Raksawong, Ritiron Samran, Pimprapa Chaijak, Hirofumi Tazoe, Chutima Kranrod, Rawiwan Kritsananuwat, Sattawat Jongjitklang, Vichai Puripunyavanich, Masahiro Hosoda, Waleeporn Pongkua, Shinji Tokonami
Radiation Medicine and Protection 2024.9
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Annual Effective Dose Due to External Exposure at Hamadori District in Fukushima Prefecture
Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji
Radiation Environment and Medicine 13 ( 2 ) 81 2024.8
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Water Quality Analysis for Comprehensive Evaluation of Combined Exposure from Heavy Metals and Radionuclides
Tazoe Hirofumi, Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji
Radiation Environment and Medicine 13 ( 2 ) 94 2024.8
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Research Activity of The Department of Radiochemistry and Radioecology, and Study on Internal Exposure Dose Assessment by Beverages
Kheamsiri Khemruthai, Yamada Ryohei, Kuwata Haruka, Kranrod Chutima, Thumvijit Tarika, Tazoe Hirofumi, Akata Naofumi
Radiation Environment and Medicine 13 ( 2 ) 92 2024.8
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Dose Assessments Due to Inhalation of Radon and Thoron at 70 Dwellings in the Coastal Area of Fukushima
Hosoda Masahiro, Oda Yuki, Kranrod Chutima, Sampei Aoi, Kiso Mizuki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Akata Naofumi, Shimizu Mayumi, Kudo Hiromi, Yamada Ryohei, Tamakuma Yuki, Tokonami Shinji
Radiation Environment and Medicine 13 ( 2 ) 82 2024.8
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Impacts of soil type and drought stress on growth and cesium accumulation in Napier grass
Dong-Jin Kang, Hirofumi Tazoe
Environmental Geochemistry and Health 46 ( 7 ) 2024.6
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Impacts of soil type and drought stress on growth and cesium accumulation in Napier grass
Dong-Jin Kang, Hirofumi Tazoe
Environmental Geochemistry and Health 46 ( 7 ) 235 2024.6
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Dissolved zinc in the western Bering Sea and near Kamchatka Strait: A coastal source and transport to the subarctic Pacific
Kuo Hong Wong, Hajime Obata, Taejin Kim, Hirofumi Tazoe, Asami S. Mashio, Hiroshi Hasegawa, Jun Nishioka
260 104375 2024.4
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Effect of Applied Voltage Value on Lithium 6 Isotope Enrichment By Intermittent Voltage Application Electrodialysis Method
Kiyoto Shin-mura, Takeru Fukusaka, Ryoya Tokuyoshi, Ayumi Kitada, Yukari Segami, Kaito Kato, Hirofumi Tazoe, Kazuya Sasaki
ECS Meeting Abstracts 2024.3
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Dissolved zinc in the western Bering Sea and near Kamchatka Strait: A coastal source and transport to the subarctic Pacific
Kuo Hong Wong, Hajime Obata, Taejin Kim, Hirofumi Tazoe, Asami S. Mashio, Hiroshi Hasegawa, Jun Nishioka
Marine Chemistry 260 2024.3
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A three-electrode dual-power-supply electrochemical pumping system for fast and energy efficient lithium extraction and recovery from solutions
Kazuya Sasaki, Kiyoto Shin-mura, Shunsuke Honda, Hirofumi Tazoe, Eiki Niwa
communications engineearing 3 ( 29 ) 2024.2
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A three-electrode dual-power-supply electrochemical pumping system for fast and energy efficient lithium extraction and recovery from solutions
Kazuya Sasaki, Kiyoto Shin-Mura, Shunsuke Honda, Hirofumi Tazoe, Eiki Niwa
COMMUNICATIONS ENGINEERING 3 ( 1 ) 2024.2
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Ferromanganese Encrustation Driven by Active Oxidation and Deposition of Manganese Across Ocean Profiles
WENSHUAI LI, Yoshio Takahashi, Akira Usui, Ryoichi Nakada, Teruhiko Kashiwabara, Hajime Obata, Naoya Kanna, Yoshihiro Asahara, Hirofumi Tazoe, Masato Tanaka
Abstracts of Annual Meeting of the Geochemical Society of Japan 71 ( 0 ) 56 2024
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ネオジム同位体比による新たな産地同定手法 ―地球化学分野における化学トレーサーの異分野への展開―
田副 博文
海洋化学研究（Transactions of The Research Institute of Oceanochemistry) 37 2024
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Uranium Isotope Characterization in Volcanic Deposits in a High Natural Background Radiation Area, Mamuju, Indonesia
Ilsa Rosianna, Eka Djatnika Nugraha, Hirofumi Tazoe, Heri Syaeful, Adi Gunawan Muhammad, I Gde Sukadana, Frederikus Dian Indrastomo, Ngadenin, Fadiah Pratiwi, Agus Sumaryanto, Sucipta Sucipta, Hendra A. Pratama, Deni Mustika, Leli Nirwani, Nurokhim, Yasutaka Omori, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Geosciences 13 ( 12 ) 388 2023.12
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Voltage effects on lithium extraction/recovery via electrochemical pumping using a La0.57Li0.29TiO3 electrolyte
Kiyoto Shin-mura, Kazuya Sasaki, Eiki Niwa, Shunsuke Honda, Hirofumi Tazoe
Sustainable Materials and Technologies 39 e00779 - e00779 2023.11
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Calibration experiments for radon in drinking water measurements using portable-type electrostatic-collection radon monitors
Masahiro Hosoda, Yasutaka Omori, Hiroki Hashimoto, Maho Matsumoto, Yumi Yasuoka, Tetsuya Sanada, Yuki Oda, Mizuki Kiso, Aoi Sampei, Chutima Kranrod, Hirofumi Tazoe, Naofumi Akata, Yasuyuki Taira, Yuki Tamakuma, Ryohei Yamada, Hiromi Kudo, Mayumi Shimizu, Shinji Tokonami
Radiation Protection Dosimetry 199 ( 18 ) 2203 - 2206 2023.11
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90Sr bioassay in small-volume urine by ICP-MS/MS with CO2 as the reaction gas
Guosheng Yang, Hirofumi Tazoe, Eunjoo Kim, Jian Zheng, Munehiko Kowatari, Osamu Kurihara
Journal of Analytical Atomic Spectrometry 38 ( 12 ) 2562 - 2570 2023.10
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Environmental radioactivity measurements in soil using inductively coupled plasma mass spectrometry and gamma-ray spectrometry in various areas in Cameroon
Modibo Oumar Bobbo, Guosheng Yang, Saïdou, Hirofumi Tazoe, Naofumi Akata, Chutima Kranrod, Masahiro Hosoda, Shinji Tokonami
Journal of Radioanalytical and Nuclear Chemistry 333 ( 5 ) 2557 - 2565 2023.7
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Efforts to Bioassay for Internal Radiation Dose Assessment at Advanced Radiation Emergency Medical Support Center, Hirosaki University
YAMADA Ryohei, OSANAI Osamu, AKATA Naofumi, TAZOE Hirofumi, TSUJIGUCHI Takakiyo, ITO Katsuhiro, HANADA Hiroyuki, TOKONAMI Shinji, KASHIWAKURA Ikuo
Japanese Journal of Health Physics 58 ( 1 ) 27 - 30 2023.4
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Tritium Concentration in Natural Spring Water Collected at Hirosaki, Japan
AKATA Naofumi, OKADA Kazusa, KUWATA Haruka, KHEAMSIRI Khmruthai, HOSODA Masahiro, TAZOE Hirofumi, YASUHARA Ryo, SUGIHARA Shinji, YAMADA Ryohei, TANAKA Masahiro
Plasma and Fusion Research 18 ( 0 ) 2405030 - 2405030 2023.4
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Effect of drought stress or soil pH on cesium accumulation in Napier grass
Dong-Jin Kang, Hirofumi Tazoe
Environmental Monitoring and Assessment 195 ( 1 ) 193 2023.1
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Water quality monitoring.
Tazoe H
ANALYTICAL SCIENCES 39 ( 1 ) 1 - 3 2023.1
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Spatial variations of 10Be in surface snow along the inland traverse route of Japanese Antarctic Research Expeditions
Kazuho Horiuchi, Shinji Kato, Kou Ohtani, Naoyuki Kurita, Shun Tsutaki, Fumio Nakazawa, Hideaki Motoyama, Kenji Kawamura, Hirofumi Tazoe, Naofumi Akata, Takeyasu Yamagata, Hiroyuki Matsuzaki
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 533 61 - 65 2022.12
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INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD
Masahiro Hosoda, Ryohei Yamada, Hiromu Kobyashi, Yuki Tamakuma, Eka Djatnika Nugraha, Hiroki Hashimoto, Ryoju Negami, Chutima Kranrod, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Shinji Tokonami
Radiation Protection Dosimetry 198 ( 13-15 ) 904 - 908 2022.9
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SPECIATION OF CESIUM ISOTOPES IN RIVER WATER: A CASE STUDY IN THE UKEDO RIVER
Hirofumi Tazoe, Ryo Tachizaki, Yuto Tomisaka, Haruka Kuwata, Naofumi Akata
Radiation Protection Dosimetry 198 ( 13-15 ) 1077 - 1083 2022.9
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PERFORMANCE EVALUATION OF COMMERCIAL SCINTILLATION COCKTAILS FOR LOW-LEVEL TRITIUM COUNTING BY HIGH-CAPACITY LIQUID SCINTILLATION COUNTER
Haruka Kuwata, Hirofumi Tazoe, Chutima Kranrod, Kenso Fujiwara, Motoki Terashima, Makoto Matsueda, Shigekazu Hirao, Naofumi Akata
Radiation Protection Dosimetry 198 ( 13-15 ) 1014 - 1018 2022.9
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Multiple Evaluation of Typical Heavy Metals Pollution in Surface Soil and Road Dust from Beijing and Hebei Province, China
Yang Shao, Guosheng Yang, Min Luo, Diandou Xu, Hirofumi Tazoe, Masatoshi Yamada, Lingling Ma
Bulletin of Environmental Contamination and Toxicology 109 ( 2 ) 317 - 322 2022.6
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Vertical Profiles of 226Ra and 228Ra Activity Concentrations in the Western Subarctic Gyre of the Pacific Ocean
Hirofumi Tazoe, Hajime Obata, Takuya Hara, Mutsuo Inoue, Takahiro Tanaka, Jun Nishioka
Frontiers in Marine Science 9 2022.5
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Monthly Precipitation Collected at Hirosaki, Japan: Its Tritium Concentration and Chemical and Stable Isotope Compositions
Haruka Kuwata, Naofumi Akata, Kazusa Okada, Masahiro Tanaka, Hirofumi Tazoe, Naoyuki Kurita, Nao Otashiro, Ryoju Negami, Takahito Suzuki, Yuki Tamakuma, Yoshitaka Shiroma, Masahiro Hosoda
Atmosphere 13 ( 5 ) 848 - 848 2022.5
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Rapid Chemical Separation Protocol for Optimized 90Sr Determination by ICP-MS in Water Samples for Radiological Incident
Hirofumi Tazoe, Yuto Tomisaka, Naofumi Akata, Ben Russell, Peter Ivanov, Masahiro Hosoda, Shinji Tokonami
Radiation Environment and Medicine 11 ( 1 ) 7 - 15 2022.2
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<sup>222</sup>Rn and <sup>226</sup>Ra Concentrations in Spring Water and Their Dose Assessment Due to Ingestion Intake.
Yamada R, Hosoda M, Tabe T, Tamakuma Y, Suzuki T, Kelleher K, Tsujiguchi T, Tateyama Y, Nugraha ED, Okano A, Narumi Y, Kranrod C, Tazoe H, Iwaoka K, Yasuoka Y, Akata N, Sanada T, Tokonami S
International journal of environmental research and public health 19 ( 3 ) 1758 - 1758 2022.2
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Heavy Metal Assessments of Soil Samples from a High Natural Background Radiation Area, Indonesia.
Nugraha ED, Mellawati J, Wahyudi, Kranrod C, Makhsun, Tazoe H, Ahmad H, Hosoda M, Akata N, Tokonami S
toxics 10 ( 1 ) 39 2022.1
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Multipotential Trace Metal Concentrations in Soil Associated with the Ecological and Human Health Risk near the Rooppur Nuclear Power Plant, Pabna, Bangladesh
M. Safiur Rahman, M. Mahtab Ali Mollah, M. Rakib-uz- Zaman, Yeasmin N. Jolly, Shirin Akhter, M. Jamiul Kabir, Hirofumi Tazoe, Sayed M. A. Salam
Water, Air, & Soil Pollution 232 ( 11 ) 2021.11
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Temperature effect on lithium isotope separation by electrodialysis using La0.57Li0.29TiO3 electrolyte
Kiyoto Shin-mura, Ryoya Tokuyoshi, Hirofumi Tazoe, Kazuya Sasaki
Fusion Engineering and Design 171 112577 - 112577 2021.10
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Simulation of global distribution of rare earth elements in the ocean using an ocean general circulation model
Akira Oka, Hirofumi Tazoe, Hajime Obata
JOURNAL OF OCEANOGRAPHY 77 ( 3 ) 413 - 430 2021.6
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Effects of environmental conditions, low-level potassium, ethylenediaminetetraacetic acid, or combination treatment on radiocesium-137 decontamination in Napier grass
Dong-Jin Kang, Hirofumi Tazoe, Masatoshi Yamada
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 28 ( 36 ) 49602 - 49612 2021.5
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A record of 241Am, 236U, 238U, 239Pu, 240Pu, 134Cs and 137Cs in surface seawater and 241Am in aerosols shortly after the FDNPP incident occurred
Taeko Shinonaga, Katharina Gückel, Masatoshi Yamada, Toshitaka Gamo, Peter Steier, Marcus Christl, Zhongtang Wang, Uta Czeslik, Hirofumi Tazoe and Jochen Tschiersch
Geochemical Journal 55 ( 1 ) 33 - 38 2021.3
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Transition of Radioactive Cesium Deposition in Reproductive Organs of Free-Roaming Cats in Namie Town, Fukushima.
Yohei Fujishima, Yasushi Kino, Takumi Ono, Valerie Swee Ting Goh, Akifumi Nakata, Kentaro Ariyoshi, Kosuke Kasai, Tadashi Toyoda, Toru Akama, Hirofumi Tazoe, Masatoshi Yamada, Mitsuaki A Yoshida, Tomisato Miura
International journal of environmental research and public health 18 ( 4 ) 2021.2
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Transition of Radioactive Cesium Deposition in Reproductive Organs of Free-Roaming Cats in Namie Town, Fukushima
Yohei Fujishima, Yasushi Kino, Takumi Ono, Valerie Swee Ting Goh, Akifumi Nakata, Kentaro Ariyoshi, Kosuke Kasai, Tadashi Toyoda, Toru Akama, Hirofumi Tazoe, Masatoshi Yamada, Mitsuaki A. Yoshida, Tomisato Miura
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 18 ( 4 ) 1772 - 1772 2021.2
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Neodymium concentration and isotopic composition distributions in the southwestern Indian Ocean and the Indian sector of the Southern Ocean (vol 511, pg 190, 2019)
Hiroshi Amakawa, Tsai-Luen Yu, Hirofumi Tazoe, Hajime Obata, Toshitaka Gamo, Yuji Sano, Chuan-Chou Shen, Katsuhiko Suzuki
CHEMICAL GEOLOGY 561 2021.2
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²¹⁰Pb and Major Ion Concentrations in Aerosols Collected in Qingdao, a Seaside Area of China
OumarBobboModibo, Tokonami Shinji, Hosoda Masahiro, Tamakuma Yuki, Jun Hu, Hegedus Miklos, Nugraha Eka Djatnika, Saidou, Tazoe Hirofumi, Akata Naofumi, Kanai Yutaka, Yanagisawa Fumitaka, Zhang Renjian
Radiation environment and medicine 10 ( 1 ) 18 - 25 2021.2
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210Pb and Major Ion Concentrations in Aerosols Collected in Qingdao, a Seaside Area of China
Oumar Bobbo Modibo, Shinji Tokonami, Masahiro Hosoda, Yuki Tamakuma, Hu Jun, Miklós Hegedűs, Eka Djatnika Nugraha, Saïdou, Hirofumi Tazoe, Naofumi Akata, Yutaka Kanai, Fumitaka Yanagisawa, Renjian Zhang
Radiation Environment and Medicine 10 ( 1 ) 18 - 25 2021.2
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Background and fingerprint characteristics of anthropogenic U-236 and(137)Cs in soil and road dust samples collected from Beijing and Zhangjiakou, China
Yang Shao, Guosheng Yang, Min Luo, Diandou Xu, Hirofumi Tazoe, Masatoshi Yamada, Lingling Ma
CHEMOSPHERE 263 127909 - 127909 2021.1
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A record of <sup>241</sup>Am, <sup>236</sup>U, <sup>238</sup>U, <sup>239</sup>Pu, <sup>240</sup>Pu, <sup>134</sup>Cs and <sup>137</sup>Cs in surface seawater and <sup>241</sup>Am in aerosols shortly after the FDNPP incident occurred
Shinonaga Taeko, Gückel Katharina, Yamada Masatoshi, Gamo Toshitaka, Steier Peter, Christl Marcus, Wang Zhongtang, Czeslik Uta, Tazoe Hirofumi, Tschiersch Jochen
GEOCHEMICAL JOURNAL 55 ( 1 ) 33 - 38 2021
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<sup>210</sup>Pb and Major Ion Concentrations in Aerosols Collected in Qingdao, a Seaside Area of China
Modibo Oumar Bobbo, Tokonami Shinji, Hosoda Masahiro, Tamakuma Yuki, Jun Hu, Hegedüs Miklós, Djatnika Nugraha Eka, Saïdou, Tazoe Hirofumi, Akata Naofumi, Kanai Yutaka, Yanagisawa Fumitaka, Zhang Renjian
Radiation Environment and Medicine 10 ( 1 ) 18 - 25 2021
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CAESIUM RETENTION CHARACTERISTICS OF KNIFC-PAN RESIN FROM RIVER WATER.
Miklós Hegedűs, Hirofumi Tazoe, Guosheng Yang, Yuki Tamakuma, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Radiation protection dosimetry 190 ( 3 ) 320 - 323 2020.9
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Environmental Monitoring of <sup>134</sup>Cs and <sup>137</sup>Cs Levels in Namie Town in 2018 and 2019
Hegedűs Miklós, Ploykrathok Thamaborn, Shiroma Yoshitaka, Iwaoka Kazuki, Yamada Ryohei, Tsujiguchi Takakiyo, Yamaguchi Masaru, Suzuki Takahito, Ogura Koya, Tamakuma Yuki, Tazoe Hirofumi, Akata Naofumi, Hosoda Masahiro, Kashiwakura Ikuo, Tokonami Shinji
Radiation Environment and Medicine 9 ( 2 ) 70 - 78 2020.8
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Low-volume Electrolytic Enrichment for Tritium Measurement Using Improved Solid Polymer Electrolyte System at NIFS and Its Application
Radiation environment and medicine 9 ( 2 ) 93 - 97 2020.8
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Environmental Monitoring of ¹³⁴Cs and ¹³⁷Cs Levels in Namie Town in 2018 and 2019
Hegedus Miklos, Ploykrathok Thamaborn, Shiroma Yoshitaka, Iwaoka Kazuki, Yamada Ryohei, Tsujiguchi Takakiyo, Yamaguchi Masaru, Suzuki Takahito, Ogura Koya, Tamakuma Yuki, Tazoe Hirofumi, Akata Naofumi, Hosoda Masahiro, Kashiwakura Ikuo, Tokonami Shinji
Radiation environment and medicine 9 ( 2 ) 70 - 78 2020.8
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Environmental Monitoring of 134Cs and 137Cs Levels in Namie Town in 2018 and 2019
Miklós Hegedűs, Thamaborn Ploykrathok, Yoshitaka Shiroma, Kazuki Iwaoka, Ryohei Yamada, Takakiyo Tsujiguchi, Masaru Yamaguchi, Takahito Suzuki, Koya Ogura, Yuki Tamakuma, Hirofumi Tazoe, Naofumi Akata, Masahiro Hosoda, Ikuo Kashiwakura, Shinji Tokonami
Radiation Environment and Medicine 9 ( 1 ) 70 - 78 2020.8
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Low-volume Electrolytic Enrichment for Tritium Measurement Using Improved Solid Polymer Electrolyte System at NIFS and Its Application
Naofumi Akata, Chie Iwata, Akemi Kato, Masahiro Tanaka, Hirofumi Tazoe, Nagayoshi Shima, Kimpei Ichiyanagi, Miklós Hegedűs, Gergő Bátor, Tibor Kovács, Hideki Kakiuchi
Radiation Environment and Medicine 9 ( 2 ) 93 - 97 2020.8
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Assessment of chromosome aberrations in large Japanese field mice (Apodemus speciosus) in Namie Town, Fukushima
Yohei Fujishima, Akifumi Nakata, Risa Ujiie, Kosuke Kasai, Kentaro Ariyoshi, Valerie Swee Ting Goh, Kojun Suzuki, Hirofumi Tazoe, Masatoshi Yamada, Mitsuaki A. Yoshida, Tomisato Miura
INTERNATIONAL JOURNAL OF RADIATION BIOLOGY 20 ( 6 ) 1 - 9 2020.7
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CAESIUM RETENTION CHARACTERISTICS OF KNIFC-PAN RESIN FROM RIVER WATER
Miklos Hegedus, Hirofumi Tazoe, Guosheng Yang, Yuki Tamakuma, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
RADIATION PROTECTION DOSIMETRY 190 ( 3 ) 320 - 323 2020.7
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Cesium concentrations in various environmental media at Namie, Fukushima
Hegedűs, M., Shiroma, Y., Iwaoka, K., Hosoda, M., Suzuki, T., Tamakuma, Y., Yamada, R., Tsujiguchi, T., Yamaguchi, M., Ogura, K., Tazoe, H., Akata, N., Kashiwakura, I., Tokonami, S.
Journal of Radioanalytical and Nuclear Chemistry 323 ( 1 ) 197 - 204 2020.1
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THE IMPACT ON THE EYE LENS OF RADIATION EMITTED BY NATURAL RADIONUCLIDES (LEAD-210) PRESENT IN RADIATION PROTECTION GLASSES
Minoru Osanai, Kohsei Kudo, Masahiro Hosoda, Hirofumi Tazoe, Naofumi Akata, Maiko Kitajima, Megumi Tsushima, Nobuhiro Komiya, Masaya Kudo, Takakiyo Tsujiguchi, Masafumi Takagi, Yoichiro Hosokawa, Yoko Saito
RADIATION PROTECTION DOSIMETRY 188 ( 1 ) 13 - 21 2020.1
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THE IMPACT ON THE EYE LENS OF RADIATION EMITTED BY NATURAL RADIONUCLIDES (LEAD-210) PRESENT IN RADIATION PROTECTION GLASSES.
Minoru Osanai, Kohsei Kudo, Masahiro Hosoda, Hirofumi Tazoe, Naofumi Akata, Maiko Kitajima, Megumi Tsushima, Nobuhiro Komiya, Masaya Kudo, Takakiyo Tsujiguchi, Masafumi Takagi, Yoichiro Hosokawa, Yoko Saito
Radiation protection dosimetry 2019.11
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Observation of Dispersion in the Japanese Coastal Area of Released Sr-90, Cs-134, and Cs-137 from the Fukushima Daiichi Nuclear Power Plant to the Sea in 2013
Hirofumi Tazoe, Takeyasu Yamagata, Kazuki Tsujita, Hisao Nagai, Hajime Obata, Daisuke Tsumune, Jota Kanda, Masatoshi Yamada
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 16 ( 21 ) 4094 - 4094 2019.10
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Effect of Low-level Potassium Fertilizer Application or Chelator Treatment on <sup>137</sup>Cs Decontamination Using Napiergrass
Kang Dong-Jin, Tazoe Hirofumi, Ishii Yasuyuki, Yamada Masatoshi
Abstracts of Meeting of the CSSJ 248 ( 0 ) 67 - 67 2019.9
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Vertical distribution of I-129 and radiocesium in forest soil collected near the Fukushima Daiichi Nuclear Power Plant boundary
Guosheng Yang, Jun Hu, Hirofumi Tsukada, Hirofumi Tazoe, Yang Shao, Masatoshi Yamada
ENVIRONMENTAL POLLUTION 250 578 - 585 2019.7
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Determination of the geographical origin of marine mussels (Mytilus spp.) using Nd-143/Nd-144 ratios
Liqiang Zhao, Kentaro Tanaka, Hirofumi Tazoe, Tsuyoshi Iizuka, Kaoru Kubota, Naoko Murakami-Sugihara, Kotaro Shirai
MARINE ENVIRONMENTAL RESEARCH 148 12 - 18 2019.6
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Neodymium concentration and isotopic composition distributions in the southwestern Indian Ocean and the Indian sector of the Southern Ocean
Amakawa, H., Yu, T.-L., Tazoe, H., Obata, H., Gamo, T., Sano, Y., Shen, C.-C., Suzuki, K.
Chemical Geology 511 190 - 203 2019.4
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U-236 and radiocesium in river bank soil and river sediment in Fukushima Prefecture, after the Fukushima Daiichi Nuclear Power Plant accident
Guosheng Yang, M. Safiur Rahman, Hirofumi Tazoe, Jun Hu, Yang Shao, Masatoshi Yamada
CHEMOSPHERE 225 388 - 394 2019.3
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First report on global fallout U-236 and uranium atom ratios in soils from Hunan Province, China
Yang Shao, Guosheng Yang, Diandou Xu, Masatoshi Yamada, Hirofumi Tazoe, Min Luo, Hangxin Cheng, Ke Yang, Lingling Ma
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 197 1 - 8 2019.2
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REE pattern change of seawater sample depending on water container
Amakawa Hiroshi, Tazoe Hirofumi, Suzuki Katsuhiko
Abstracts of Annual Meeting of the Geochemical Society of Japan 66 ( 0 ) 33 - 33 2019
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Improvement of analysis of Nd isotope composition in seawater using the combination of DGA Resin solid phase extraction and MC-ICP-MS
Tazoe Hirofumi, Amakawa Hiroshi, Suzuki Katsuhiko, Hara Takuya, Obata Hajime
Abstracts of Annual Meeting of the Geochemical Society of Japan 66 ( 0 ) 76 - 76 2019
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A review of measurement methodologies and their applications to environmental Sr-90
Yang Shao, Guosheng Yang, Hirofumi Tazoe, Lingling Ma, Masatoshi Yamada, Diandou Xu
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 192 321 - 333 2018.12
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キレート樹脂固相抽出法を用いた海水中の 難分析放射性核種ストロンチウム-90 の 新規分析法の開発
田副 博文
海洋化学研究 31 ( 2 ) 45 - 53 2018.11
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Development of a Method for Analysis of Radionuclides in Biological Samples Using ICP Mass Spectrometer
Akari Homma, Hirofumi Tazoe, Masatoshi Yamada, Shingo Terashima and Yoichiro Hosokawa
Radiation Environment Medicine 2018.8
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Effect of fertilizer with low levels of potassium on radiocesium-137 decontamination
Dong-Jin Kang, Hirofumi Tazoe, Yasuyuki Ishii, Katsunori Isobe, Masao Higo, Masatoshi Yamada
Journal of Crop Science and Biotechnology 21 ( 2 ) 113 - 119 2018.6
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Improved approach for routine monitoring of I-129 activity and I-129/I-127 atom ratio in environmental samples using TMAH extraction and ICP-MS/MS
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
ANALYTICA CHIMICA ACTA 1008 66 - 73 2018.5
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Applying an improved method to measure <sup>134</sup>Cs, <sup>135</sup>Cs, and <sup>137</sup>Cs activities and their atom ratios in marine sediments collected close to the Fukushima Daiichi Nuclear Power Plant
Yang Guosheng, Kato Yoshihisa, Tazoe Hirofumi, Yamada Masatoshi
GEOCHEMICAL JOURNAL 52 ( 2 ) 219 - 226 2018.3
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Effect of Fertilizer with Low Levels of Potassium on Radiocesium-137 Decontamination
Kang, D.-J., Tazoe, H., Ishii, Y., Isobe, K., Higo, M., Yamada, M.
Journal of Crop Science and Biotechnology 21 ( 2 ) 113 - 119 2018
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Remediation of Radiocesium using Napiergrass in the Hazard Zone of Namie-town
Kang Dong-Jin, Tazoe Hirofumi, Ishii Yasuyuki, Tokonami Shinji, Yamada Masatoshi
Abstracts of Meeting of the CSSJ 246 ( 0 ) 60 - 60 2018
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Marine geochemical studies of rare earth elements and neodymium isotopes in the North Pacific Ocean, the Bering Sea and the Chukchi Sea
Hara Takuya, Tazoe Hirofumi, Obata Hajime, Gamo Toshitaka
Abstracts of Annual Meeting of the Geochemical Society of Japan 65 ( 0 ) 199 - 199 2018
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キレート樹脂固相抽出法を用いた海水中の 難分析放射性核種ストロンチウム-90 の 新規分析法の開発
田副 博文
海洋化学研究 31 45 - 53 2018
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キレート樹脂固相抽出を用いた海水中90Sr新規分析法の開発
田副 博文
月刊海洋 号外61 121 - 131 2018
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Can 129I track 135Cs, 236U, 239Pu, and 240Pu apart from 131I in soil samples from Fukushima Prefecture, Japan?
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
Scientific Reports 7 15369 - 15369 2017.11
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Can I-129 track Cs-135, U-236, Pu-239, and Pu-240 apart from I-131 in soil samples from Fukushima Prefecture, Japan?
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
SCIENTIFIC REPORTS 7 ( 1 ) 15369 2017.11
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Isotopic compositions of U-236, Pu-239, and Pu-240 in soil contaminated by the Fukushima Daiichi Nuclear Power Plant accident
Guosheng Yang, Hirofumi Tazoe, Kazuhiko Hayano, Kumiko Okayama, Masatoshi Yamada
SCIENTIFIC REPORTS 7 ( 1 ) 13619 2017.10
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Remediation of Radiocesium-137 Affected Soil Using Napiergrass Under Different Planting Density and Cutting Frequency Regimes
Dong-Jin Kang, Yasuyuki Ishii, Hirofumi Tazoe, Katsunori Isobe, Masao Higo, Masahiro Hosoda, Masatoshi Yamada, Shinji Tokonami
WATER AIR AND SOIL POLLUTION 228 ( 8 ) 2017.8
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Remediation of Radiocesium-137 Affected Soil Using Napiergrass Under Different Planting Density and Cutting Frequency Regimes
Dong-Jin Kang, Yasuyuki Ishii, Hirofumi Tazoe, Katsunori Isobe, Masao Higo, Masahiro Hosoda, Masatoshi Yamada, Shinji Tokonami
Water Air and Soil Pollution 28 5 - 9 2017.7
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Precise and accurate analysis of deep and surface seawater Sr stable isotopic composition by double-spike thermal ionization mass spectrometry
Wakaki Shigeyuki, Obata Hajime, Tazoe Hirofumi, Ishikawa Tsuyoshi
Geochemical Journal 51 ( 3 ) 227 - 239 2017.6
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Novel method for low level Sr-90 activity detection in seawater by combining oxalate precipitation and chelating resin extraction
Tazoe Hirofumi, Obata Hajime, Tomita Masatoshi, Namura Shinya, Nishioka Jun, Yamagata Takeyasu, Karube Zin’ichi, Yamada Masatoshi
GEOCHEMICAL JOURNAL 51 ( 2 ) 193 - 197 2017.3
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Plutonium Isotopes (Pu239-241) Dissolved in Pacific Ocean Waters Detected by Accelerator Mass Spectrometry: No Effects of the Fukushima Accident Observed
Karin Hain, Thomas Faestermann, Leticia Fimiani, Robin Golser, Jose Manuel Gomez-Guzman, Gunther Korschinek, Florian Kortmann, Christoph Lierse von Gostomski, Peter Ludwig, Peter Steier, Hirofumi Tazoe, Masatoshi Yamada
ENVIRONMENTAL SCIENCE & TECHNOLOGY 51 ( 4 ) 2031 - 2037 2017.2
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Novel method for low level Sr-90 activity detection in seawater by combining oxalate precipitation and chelating resin extraction
Hirofumi Tazoe, Hajime Obata, Masatoshi Tomita, Shinya Namura, Jun Nishioka, Takeyasu Yamagata, Zin'ichi Karube, Masatoshi Yamada
GEOCHEMICAL JOURNAL 51 ( 2 ) 193 - 197 2017
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Development of a method for multi elemental determination of suspended particulate trace metals in the ocean
Maruyama Kai, Norisue Kazuhiro, Obata Hajime, Nakaguchi Yuzuru, Minami Hideki, Tazoe Hirohumi, Gmo Toshitaka
Abstracts of Annual Meeting of the Geochemical Society of Japan 64 ( 0 ) 42 - 42 2017
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Precise and accurate analysis of deep and surface seawater Sr stable isotopic composition by double-spike thermal ionization mass spectrometry
Wakaki Shigeyuki, Obata Hajime, Tazoe Hirofumi, Ishikawa Tsuyoshi
GEOCHEMICAL JOURNAL 51 ( 3 ) 227 - 239 2017
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Determination of U-236 in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
ANALYTICA CHIMICA ACTA 944 44 - 50 2016.11
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Dissolved platinum in rainwater, river water and seawater around Tokyo Bay and Otsuchi Bay in Japan
Mashio, A.S., Obata, H., Tazoe, H., Tsutsumi, M., Ferrer i Santos, A., Gamo, T
Estuarine, Coastal and Shelf Science 180 160 - 167 2016.10
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ベリリウム同位体7Be, 9Be, 10Beを用いた物質循環に関する研究
田副 博文、山形 武靖
月刊海洋 号外58 142 - 148 2016.10
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Dissolved platinum in rainwater, river water and seawater around Tokyo Bay and Otsuchi Bay in Japan
Asami Suzuki Mashio, Hajime Obata, Hirofumi Tazoe, Makoto Tsutsumi, Antoni Ferrer i Santos, Toshitaka Gamo
ESTUARINE COASTAL AND SHELF SCIENCE 180 160 - 167 2016.10
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Cs-135 activity and Cs-135/Cs-137 atom ratio in environmental samples before and after the Fukushima Daiichi Nuclear Power Plant accident
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
SCIENTIFIC REPORTS 6 24119 2016.4
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Rapid determination of 135Cs and precise 135Cs/137Cs atomic ratio in environmental samples by single-column chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry
Guosheng Yanga, Hirofumi Tazoe, Masatoshi Yamada
Analytica Chimica Acta 908 177 - 184 2016.2
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Rapid determination of Cs-135 and precise Cs-135/Cs-137 atomic ratio in environmental samples by single-column chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry
Guosheng Yang, Hirofumi Tazoe, Masatoshi Yamada
ANALYTICA CHIMICA ACTA 908 177 - 184 2016.2
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Determination of strontium-90 from direct separation of yttrium-90 by solid phase extraction using DGA Resin for seawater monitoring
Hirofumi Tazoe, Hajime Obata, Takeyasu Yamagata, Zin'ichi Karube, Hisao Nagai, Masatoshi Yamada
TALANTA 152 219 - 227 2016
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Determination of 236U in environmental samples by single extraction chromatography coupled to triple-quadrupole inductively coupled plasma-mass spectrometry
Yang Guosheng, Tazoe Hirofumi, Yamada Masatoshi
Abstracts of Annual Meeting of the Geochemical Society of Japan 63 ( 0 ) 186 - 186 2016
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Development of automated chemical separation system resistant to high concentration acid and hydrofluoric acid
Tazoe Hirofumi, Yamada Masatoshi
Abstracts of Annual Meeting of the Geochemical Society of Japan 63 ( 0 ) 204 - 204 2016
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Remediation of Radiocesium using Napiergrass in the Hazard Zone of Namie-town
Kang Dong-Jin, Tazoe Hirofumi, Ishii Yasuyuki, Tokonami Shinji, Yamada Masatoshi
Abstracts of Meeting of the CSSJ 243 ( 0 ) 80 - 80 2016
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Remediation of Radiocesium using Napiergrass in the Hazard Zone of Namie-town
Kang Dong-Jin, Ishii Yasuyuki, Tazoe Hirofumi, Isobe Katsunori, Higo Masao, Hosoda Masahiro, Tokonami Shinji, Yamada Masatoshi
Abstracts of Meeting of the CSSJ 241 ( 0 ) 99 - 99 2016
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Remediation of Radiocesium using Napiergrass in the Hazard Zone of Namie-town
Kang Dong-Jin, Isobe Katsunori, Higo Masao, Tazoe Hirofumi, Hosoda Masahiro, Ishii Yasuyuki, Tokonami Shinji, Yamada Masatoshi
Abstracts of Meeting of the CSSJ 239 ( 0 ) 94 - 94 2015
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Determination of picomolar beryllium levels in seawater with inductively coupled plasma mass spectrometry following silica-gel preconcentration
Hirofumi Tazoe, Takeyasu Yamagata, Hajime Obata, Hisao Nagai
ANALYTICA CHIMICA ACTA 852 74 - 81 2014.12
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Differences in Remediation Effect of Cs-137 in Napiergrass (Pennisetum purpureum Schum.) under Different Land-Use Soil and Cutting Frequency Conditions
Dong-Jin Kang, Hirofumi Tazoe, Masatoshi Yamada, Yasuyuki Ishii
WATER AIR AND SOIL POLLUTION 225 ( 7 ) 2014.7
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Differences in Remediation Effect of 137Cs in Napiergrass (Pennisetum purpureum Schum.) under Different Land-Use Soil and Cutting Frequency Conditions
Dong-Jin Kang, Hirofumi Tazoe, Masatoshi Yamada, Yasuyuki Ishii
Water, Air, & Soil Pollution 225 2022 - 2031 2014.6
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Ultra-trace plutonium determination in small volume seawater by sector field inductively coupled plasma mass spectrometry with application to Fukushima seawater samples.
Wenting Bu, Jian Zheng, Qiuju Guo, Tatsuo Aono, Keiko Tagami, Shigeo Uchida, Hirofumi Tazoe, Masatoshi Yamada
Journal of chromatography. A 1337 171 - 178 2014.4
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Ultra-trace plutonium determination in small volume seawater by sector field inductively coupled plasma mass spectrometry with application to Fukushima seawater samples
Wenting Bu, Jian Zheng, Qiuju Guo, Tatsuo Aono, Keiko Tagami, Shigeo Uchida, Hirofumi Tazoe, Masatoshi Yamada
JOURNAL OF CHROMATOGRAPHY A 1337 171 - 178 2014.4
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A Method of Measurement of Pu-239, Pu-240, Pu-241 in High U Content Marine Sediments by Sector Field ICP-MS and Its Application to Fukushima Sediment Samples
Wenting Bu, Jian Zheng, Qiuju Guo, Tatsuo Aono, Hirofumi Tazoe, Keiko Tagami, Shigeo Uchida, Masatoshi Yamada
ENVIRONMENTAL SCIENCE & TECHNOLOGY 48 ( 1 ) 534 - 541 2014.1
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Spatial and temporal variations of 90Sr concentration in the surface seawater near the Fukushima Daiichi Nuclear Power Plant in 2013 and 2014.
Tazoe Hirofumi, Yamagata Takeyasu, Masuda Yuki, Nagai Hisao, Yamada Masatoshi
Abstracts of Annual Meeting of the Geochemical Society of Japan 61 ( 0 ) 217 - 217 2014
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Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident
Masahiro Hosoda, Shinji Tokonami, Hirofumi Tazoe, Atsuyuki Sorimachi, Satoru Monzen, Minoru Osanai, Naofumi Akata, Hideki Kakiuchi, Yasutaka Omori, Tetsuo Ishikawa, Sarata K. Sahoo, Tibor Kovács, Masatoshi Yamada, Akifumi Nakata, Mitsuaki Yoshida, Hironori Yoshino, Yasushi Mariya , Ikuo Kashiwakura
Scientific Reports 3 ( 2283 ) 2283 - 2283 2013.7
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Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident
Masahiro Hosoda, Shinji Tokonami, Hirofumi Tazoe, Atsuyuki Sorimachi, Satoru Monzen, Minoru Osanai, Naofumi Akata, Hideki Kakiuchi, Yasutaka Omori, Tetsuo Ishikawa, Sarata K. Sahoo, Tibor Kovacs, Masatoshi Yamada, Akifumi Nakata, Mitsuaki Yoshida, Hironori Yoshino, Yasushi Mariya, Ikuo Kashiwakura
SCIENTIFIC REPORTS 3 2283 2013.7
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Neodymium isotopic composition and concentration in the Southwest Pacific Ocean
Hiroshi Amakawa, Hirofumi Tazoe, Hajime Obata, Toshitaka Gamo, Yuji Sano and Chuan-Chou Shen
Geochemical Journal 47 ( 4 ) 409 - 422 2013.5
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Neodymium isotopic composition and concentration in the Southwest Pacific Ocean
AMAKAWA HIROSHI, TAZOE HIROFUMI, OBATA HAJIME, GAMO TOSHITAKA, SANO YUJI, SHEN CHUAN-CHOU
GEOCHEMICAL JOURNAL 47 ( 4 ) 409 - 422 2013
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Nd isotopic composition in the Southwest Pacific Ocean
Amakawa Hiroshi, Tazoe Hirofumi, Obata Hajime, Gamo Toshitaka, Sano Yuji, Shen Chuan-Chou
Abstracts of Annual Meeting of the Geochemical Society of Japan 60 ( 0 ) 207 - 207 2013
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Concentration of 3H in plants around Fukushima Dai-ichi Nuclear Power Station
Hideki Kakiuchi, Naofumi Akata, Hidenao Hasegawa, Shinji Ueda, Shinji Tokonami, Masatoshi Yamada, Masahiro Hosoda, Atsuyuki Sorimachi, Hirofumi Tazoe, Kaori Noda, Shun'ichi Hisamatsu
Scientific Reports 2 ( 947 ) 947 - 947 2012.12
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Concentration of H-3 in plants around Fukushima Dai-ichi Nuclear Power Station
Hideki Kakiuchi, Naofumi Akata, Hidenao Hasegawa, Shinji Ueda, Shinji Tokonami, Masatoshi Yamada, Masahiro Hosoda, Atsuyuki Sorimachi, Hirofumi Tazoe, Kaori Noda, Shun'ichi Hisamatsu
SCIENTIFIC REPORTS 2 947 2012.12
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RADIOACTIVE POLLUTION FROM FUKUSHIMA DAIICHI NUCLEAR POWER PLANT IN THE TERRESTRIAL ENVIRONMENT
H. Tazoe, M. Hosoda, A. Sorimachi, A. Nakata, M. A. Yoshida, S. Tokonami and M Yamada
Radiation Protection Dosimetry 1 - 6 2012.8
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GEOTRACES intercalibration of neodymium isotopes and rare earth element concentrations in seawater and suspendedparticles. Part 1: reproducibility of results for the international intercomparison
Tina van de Fliedt, K Pahnke, H Tazoe, et al.
Limnology and Oceanography: Methods 10 234 - 251 2012.4
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GEOTRACES intercalibration of neodymium isotopes and rare earth element concentrations in seawater and suspended particles. Part 1: reproducibility of results for the international intercomparison
Tina van de Flierdt, Katharina Pahnke, Hiroshi Amakawa, Per Andersson, Chandranath Basak, Barry Coles, Christophe Colin, Kirsty Crocket, Martin Frank, Norbert Frank, Steven L. Goldstein, Vineet Goswami, Brian A. Haley, Ed C. Hathorne, Sidney R. Hemming, Gideon M. Henderson, Catherine Jeandel, Kevin Jones, Katharina Kreissig, Francois Lacan, Myriam Lambelet, Ellen E. Martin, Derrick R. Newkirk, Haijme Obata, Leopoldo Pena, Alexander M. Piotrowski, Catherine Pradoux, Howie D. Scher, Hans Schoberg, Sunil Kumar Singh, Torben Stichel, Hirofumi Tazoe, Derek Vance, Jingjing Yang
LIMNOLOGY AND OCEANOGRAPHY-METHODS 10 ( APRIL ) 234 - 251 2012.4
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Radioactive pollution from Fukushima Daiichi nuclear power plant in the terrestrial environment
Tazoe, H., Hosoda, M., Sorimachi, A., Nakata, A., Yoshida, M.A., Tokonami, S., Yamada, M.
Radiation Protection Dosimetry 152 ( 1-3 ) 198 - 203 2012
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Coupled isotopic systematics of surface cerium and neodymium in the Pacific Ocean, Geochemistry Geophysics Geosystems
Hirofumi Tazoe, Hajime Obata, Toshitaka Gamo
Geochemistry Geophysics Geosystems 12 Q04004 2011.4
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Geochemical studies on nitrate in fresh water environments using <sup>15</sup>N, <sup>18</sup>O and <sup>17</sup>O as tracers
Nakagawa Fumiko, Suzuki Atsuyuki, Oyama Takuya, Komatsu Daisuke, Tsunogai Urumu, Umeda Makoto, Shibata Hideaki, Obata Hajime, Tazoe Hirofumi
Abstracts of Annual Meeting of the Geochemical Society of Japan 58 ( 0 ) 239 - 239 2011
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Coupled isotopic systematics of surface cerium and neodymium in the Pacific Ocean
Tazoe, H., Obata, H., Gamo, T.
Geochemistry, Geophysics, Geosystems 12 ( 4 ) 2011
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Radioactive pollution released by the accident fo Fukushima Daiichi Nuclear Power Plant
Tazoe Hirofumi, Hosoda Masahiro, Sorimachi Atsuyuki, Nakata Akifumi, Yoshida Mitsuaki, Tokonami Shinji, Yamada Masatoshi
Abstracts of Annual Meeting of the Geochemical Society of Japan 58 ( 0 ) 67 - 67 2011
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Nd isotopic composition of the lithogenic inputs in the Indian and the Antarctic Oceans
Tazoe Hirofumi, Kimura Taro, Inoue Keisuke, Yamagata Takeyasu, Nagai Hisao
Abstracts of Annual Meeting of the Geochemical Society of Japan 58 ( 0 ) 161 - 161 2011
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Methyl halides in surface seawater and marine boundary layer of the northwest Pacific
Atsushi Ooki, Atsushi Tsuda, Sohiko Kameyama, Shigenobu Takeda, Sachihiko Itoh, Toshio Suga, Hirofumi Tazoe, Ayako Okubo, Yoko Yokouchi
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 115 ( 10 ) 2010.10
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Determination of cerium isotope ratios in geochemical samples using oxidative extraction technique with chelating resin
Hirofumi Tazoe, Hajime Obata, Toshitaka Gamo
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 22 ( 6 ) 616 - 622 2007