論文 - 赤田 尚史
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Behavior of radioactive cesium concentration for 13 years after FDNPP accident at Koriyama campus of Nihon University, Fukushima, Japan.
Suzuki R, Okuyama K, Chiba K, Hashimoto T, Katsumata N, Ukitsu A, Kheamsiri K, Yamada R, Akata N
Radiation protection dosimetry 200 ( 16-18 ) 1835 - 1839 2024年11月
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Development of evaluation method for radiocesium availability in soil by biomimetic approach.
Takeda A, Unno Y, Swallow MJB, Yagasaki Y, Yasutaka T, Akata N
Radiation protection dosimetry 200 ( 16-18 ) 1767 - 1771 2024年11月
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Tritium determination in natural water samples in Fukushima from 2022 to 2023 using an ultra-low-level tritium counting system.
Hegedűs M, Kuwata H, Kheamsiri K, Novák M, Yamada R, Akata N, Kovács T
Radiation protection dosimetry 200 ( 16-18 ) 1845 - 1849 2024年11月
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Tritium concentration in monthly precipitation in Okinawa and Kagoshima, southern Japan.
Akata N, Ohno K, Kuwata H, Kheamsiri K, Yoshinaka Y, Yamada R, Kitayama Y, Aizawa S, Nakasone S, Ishimine A, Tanaka M, Shiroma Y, Tokonami S, Furukawa M
Radiation protection dosimetry 200 ( 16-18 ) 1792 - 1796 2024年11月
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Study of seasonal variation of accident-derived atmospheric radiocesium in Koriyama City, Fukushima Prefecture, Japan during 2011-2014.
Hasegawa H, Akata N, Okuyama K, Ochiai S, Kakiuchi H, Ueda S
Radiation protection dosimetry 200 ( 16-18 ) 1829 - 1834 2024年11月
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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年11月
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Impacts of the large fusion test facility on tritium in environmental water and natural radiation levels.
Tanaka M, Kurita S, Akata N
Radiation protection dosimetry 200 ( 16-18 ) 1802 - 1806 2024年11月
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Evaluation of combustion system for organically bound tritium analysis using dried fish samples.
Kuwata H, Yamada R, Kheamsiri K, Kakiuchi H, Tamari T, Shima N, Akata N
Radiation protection dosimetry 200 ( 16-18 ) 1807 - 1812 2024年11月
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Interlaboratory Comparison in Japan for Radon Determination in Water
Shunya NAKASONE, Akinobu ISHIMINE, Yuki TAMAKUMA, Masahiro HOSODA, Naofumi AKATA, Tetsuya SANADA, Masahiro TANAKA, Sumi YOKOYAMA, Minoru SAKAMA, Akira TANAHARA, Masahide FURUKAWA, Shinji TOKONAMI, Yumi YASUOKA, Yoshitaka SHIROMA
Japanese Journal of Health Physics 59 ( 3 ) 131 - 134 2024年10月
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Performance Test of Improved Commercially Available Tritium Enrichment System: Toward Rapid and High Efficiency Enrichment
Naofumi Akata, Kazusa Okada, Nao Otashiro, Haruka Kuwata, Khemruthai Kheamsiri, Kaho Ohno, Yukiko Yoshinaka, Ryohei Yamada, Masahiro Tanaka
Radiation Environment and Medicine 13 ( 2 ) 60 - 64 2024年08月
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Variation analysis of atmospheric (7)Be activity concentrations with respect to precipitation.
Narazaki Y, Sakoda A, Akata N, Itoh H, Momoshima N
Journal of environmental radioactivity 277 107432 - 107432 2024年07月
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Tissue-free water tritium and non-exchangeable organically bound tritium concentrations in fish near coastline during and after operation of Japan's first nuclear fuel reprocessing facility.
Akata N, Anderson D, Kakiuchi H, Yamada R, Hasegawa H, Ueda S
The Science of the total environment 947 174404 - 174404 2024年07月
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六ケ所再処理工場のアクティブ試験時における環境放射能 —放出された放射性物質の環境への影響について—
植田真司，長谷川英尚，柿内秀樹，大塚良仁，阿部康一，赤田尚史，落合伸也
RADIOISOTOPES 73 ( 1 ) 81 - 99 2024年03月
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Temporal variation of tritium concentration in monthly precipitation collected at a Difficult-to-Return Zone in Namie Town, Fukushima Prefecture, Japan.
Yamada R, Hasegawa H, Akata N, Kakiuchi H, Ochiai S, Kuwata H, Kheamsiri K, Tokonami S, Ueda S
Environmental science and pollution research international 31 ( 5 ) 7818 - 7827 2024年01月
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Assessing the variability of tissue-free water tritium and non-exchangeable organically bound tritium in pine needles in Fukushima using atmospheric tritrated water vapor
Shigekazu Hirao, Hideki Kakiuchi, Naofumi Akata, Toshiya Tamari, Shinji Sugihara, Nagayoshi Shima, Masahiro Tanaka
Science of The Total Environment 907 2024年01月
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環境中のトリチウムとその挙動
赤田 尚史
アイソトープ・放射線研究発表会 4 ( 0 ) 3 2024年
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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 13 388 2023年12月
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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年11月
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Tritium concentration in bottled drinking water and internal dose assessment
Khemruthai Kheamsiri, Naofumi Akata, Haruka Kuwata, Masahiro Tanaka, Masahiro Hosoda, Michiya Sasaki, Yoshitaka Shiroma, Shinji Tokonami, Ryohei Yamada, Chutima Kranrod, Kazuki Iwaoka, Tibor Kovάcs
Journal of Radioanalytical and Nuclear Chemistry 333 ( 5 ) 2597 - 2603 2023年07月
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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 2023年07月