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Journal Articles

Physical protection corrective action program activities in JAEA

Shibata, Ryodai; Amano, Tsukasa; Yamada, Hiroyuki; Miyaji, Noriko; Nakamura, Hironobu

Dai-44-Kai Nihon Kaku Busshitsu Kanri Gakkai Nenji Taikai Kaigi Rombunshu (Internet), 4 Pages, 2023/11

In April 2020, JAEA has been introduced Physical Protection Corrective Action Program (PPCAP) with full-scale. It was needed to introduce unified operation for six sites with different business scales, and headquarters developed the common guideline. There was an impression that physical protection activities were carried out by a limited number of employees. Therefore, a problem was to root and activate PPCAP activities among all employees in order to make them effective. Five activities were implemented to solve this problem. As a result, more than 3,700 condition reports (CR) have been collected for 4 years. This paper reports on the activities related to the PPCAP that have been implemented at JAEA.

Journal Articles

Efforts for appropriate responses to safeguards activities, 1; Overview

Aoki, Rie; Shirafuji, Masaya; Nozaki, Teo; Akutsu, Narumi*; Miyaji, Noriko; Nakamura, Hironobu

Proceedings of INMM & ESARDA Joint Annual Meeting 2023 (Internet), 7 Pages, 2023/05

Journal Articles

Promotion for establishing and maintaining appropriate responses in the safeguards activities

Shirafuji, Masaya; Nozaki, Teo; Akutsu, Narumi*; Miyaji, Noriko; Nakamura, Hironobu

Dai-43-Kai Nihon Kaku Busshitsu Kanri Gakkai Nenji Taikai Kaigi Rombunshu (Internet), 4 Pages, 2022/11

In order to maintain transparency in the peaceful use of nuclear materials in Japan, it is important to appropriately respond to safeguards activities conducted by the IAEA/Japan. Failure to respond appropriately to these activities could have significant impacts, such as raising suspicion from the international community about the misuse of nuclear materials by not only the operators but also by Japan. In order to strengthen activities to appropriately respond to safeguards activities, JAEA has started (I) education on safeguards for all employees directly employed by JAEA, (II) lectures, (III) case studies, and (IV) standardization of procedures related to safeguards response since FY2020, following the methods used to foster nuclear security culture in the past. This report describes these specific activities.

Journal Articles

Efforts of procurement and quality managements for physical protection system in JAEA

Shibata, Ryodai; Yamazaki, Katsuyuki; Yamada, Hiroyuki; Miyaji, Noriko; Nakamura, Hironobu

Dai-42-Kai Nihon Kaku Busshitsu Kanri Gakkai Nenji Taikai Kaigi Rombunshu (Internet), 4 Pages, 2021/11

Physical protection systems (PPS) operated for security in nuclear facilities uses computer-controlled systems. If malicious peoples change program or install computer virus to PPS, they are invalidated. Due to insufficient surveillance etc., and then unauthorized removal and sabotage may be caused. This paper introduces efforts of necessary procurement and quality managements etc., for decreasing there affect, and their details.

Journal Articles

Optimized TES microcalorimeters with 14 eV energy resolution at 30 keV for $$gamma$$-ray measurements of the $$^{229}$$Th isomer

Muramatsu, Haruka*; Hayashi, Tasuku*; Yuasa, Naoki*; Konno, Ryohei*; Yamaguchi, Atsushi*; Mitsuda, Kazuhisa*; Yamasaki, Noriko*; Maehata, Keisuke*; Kikunaga, Hidetoshi*; Takimoto, Misaki; et al.

Journal of Low Temperature Physics, 200(5-6), p.452 - 460, 2020/09

 Times Cited Count:1 Percentile:6.04(Physics, Applied)

Journal Articles

Energy of the $$^{229}$$Th nuclear clock isomer determined by absolute $$gamma$$-ray energy difference

Yamaguchi, Atsushi*; Muramatsu, Haruka*; Hayashi, Tasuku*; Yuasa, Naoki*; Nakamura, Keisuke; Takimoto, Misaki; Haba, Hiromitsu*; Konashi, Kenji*; Watanabe, Makoto*; Kikunaga, Hidetoshi*; et al.

Physical Review Letters, 123(22), p.222501_1 - 222501_6, 2019/11

 Times Cited Count:36 Percentile:89.11(Physics, Multidisciplinary)

Journal Articles

Application of glutathione to roots selectively inhibits cadmium transport from roots to shoots in oilseed rape

Nakamura, Shinichi*; Suzui, Nobuo; Nagasaka, Toshinori*; Komatsu, Fumiya*; Ishioka, Noriko; Ito, Sayuri*; Kawachi, Naoki; Rai, Hiroki*; Hattori, Hiroyuki*; Chino, Mitsuo*; et al.

Journal of Experimental Botany, 64(4), p.1073 - 1081, 2013/02

 Times Cited Count:57 Percentile:87.4(Plant Sciences)

Journal Articles

Comparison of $$^{107}$$Cd absorption and accumulation between transgenic tobacco plants and control plants

Nakamura, Shinichi*; Suzui, Nobuo; Ishii, Satomi; Kawachi, Naoki; Ishioka, Noriko; Rai, Hiroki*; Hattori, Hiroyuki*; Chino, Mitsuo*; Fujimaki, Shu

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 96, 2012/01

Journal Articles

Visualization of $$^{107}$$Cd accumulation in oilseed rape plants treated with glutathione

Nakamura, Shinichi*; Suzui, Nobuo; Ito, Sayuri*; Kawachi, Naoki; Ishioka, Noriko; Rai, Hiroki*; Hattori, Hiroyuki*; Chino, Mitsuo*; Fujimaki, Shu

JAEA-Review 2010-065, JAEA Takasaki Annual Report 2009, P. 104, 2011/01

Journal Articles

Tracing cadmium from culture to spikelet; Noninvasive imaging and quantitative characterization of absorption, transport, and accumulation of cadmium in an intact rice plant

Fujimaki, Shu; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Ito, Sayuri; Chino, Mitsuo*; Nakamura, Shinichi*

Plant Physiology, 152(4), p.1796 - 1806, 2010/02

 Times Cited Count:200 Percentile:98.11(Plant Sciences)

Journal Articles

Kinetic analysis of cadmium uptake in oilseed rape plants using positron multi-probe system

Suzui, Nobuo; Nakamura, Shinichi*; Ito, Sayuri; Kawachi, Naoki; Ishioka, Noriko; Fujimaki, Shu

JAEA-Review 2009-041, JAEA Takasaki Annual Report 2008, P. 102, 2009/12

Journal Articles

Visualization of $$^{107}$$Cd translocation in Tobacco plants

Nakamura, Shinichi*; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Ito, Sayuri; Hattori, Hiroyuki*; Chino, Mitsuo*; Fujimaki, Shu

JAEA-Review 2009-041, JAEA Takasaki Annual Report 2008, P. 103, 2009/12

Journal Articles

Non-invasive imaging of carbon translocation and nitrogen fixation in intact plants using the positron-emitting tracer imaging system

Suzui, Nobuo; Ishii, Satomi; Kawachi, Naoki; Ito, Sayuri; Nakamura, Shinichi*; Ishioka, Noriko; Fujimaki, Shu

Proceedings of 16th International Plant Nutrition Colloquium (IPNC-16) (Internet), P. 1214, 2009/04

Journal Articles

Non-invasive imaging and characterization of absorption, transport and accumulation of cadmium in an intact rice plant

Fujimaki, Shu; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Ito, Sayuri; Chino, Mitsuo*; Nakamura, Shinichi*

Proceedings of 16th International Plant Nutrition Colloquium (IPNC-16) (Internet), 1 Pages, 2009/04

The absorption, transport and accumulation of cadmium (Cd) in rice were analyzed quantitatively using the positron-emitting tracer imaging system (PETIS). We developed a method to produce $$^{107}$$Cd tracer and obtained serial images of Cd distribution in intact rice plants at vegetative stage and grain-filling stage using PETIS. The results suggest that xylem-to-phloem transfer is a pivotal process on the route from the soil to the grains and the nodes are the most likely organ where the transfer takes place.

Journal Articles

Non-invasive imaging of cadmium distribution in intact oilseed rape plants

Nakamura, Shinichi*; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Ito, Sayuri; Rai, Hiroki*; Hattori, Hiroyuki*; Chino, Mitsuo*; Fujimaki, Shu

Proceedings of 16th International Plant Nutrition Colloquium (IPNC-16) (Internet), p.1181_1 - 1181_2, 2009/04

Journal Articles

Imaging of $$^{107}$$Cd translocation in oilseed rape plants treated with different Cd concentrations

Suzui, Nobuo; Fujimaki, Shu; Ishioka, Noriko; Kawachi, Naoki; Matsuhashi, Shimpei; Hattori, Hiroyuki*; Chino, Mitsuo*; Nakamura, Shinichi*

JAEA-Review 2008-055, JAEA Takasaki Annual Report 2007, P. 112, 2008/11

Journal Articles

Contribution of positron imaging on the research aimed for phytoremediation of Cd-contaminated soil

Nakamura, Shinichi*; Chino, Mitsuo*; Fujimaki, Shu; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Matsuhashi, Shimpei

Hoshasen To Sangyo, (117), p.9 - 14, 2008/03

no abstracts in English

Journal Articles

Non-invasive imaging of cadmium long-distance transport in higher plants

Nakamura, Shinichi*; Suzui, Nobuo; Ishioka, Noriko; Kawachi, Naoki; Chino, Mitsuo*; Matsuhashi, Shimpei; Fujimaki, Shu

JAEA-Review 2007-060, JAEA Takasaki Annual Report 2006, P. 123, 2008/03

Journal Articles

Non-invasive imaging of cadmium transport in crop plants

Fujimaki, Shu; Nakamura, Shinichi*; Suzui, Nobuo; Ishioka, Noriko; Chino, Mitsuo*; Matsuhashi, Shimpei

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 127, 2007/02

no abstracts in English

Journal Articles

Improved separation of cadmium-107 from silver cyclotron targets by precipitation method

Ishioka, Noriko; Fujimaki, Shu; Suzui, Nobuo; Nakamura, Shinichi*; Matsuhashi, Shimpei

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 162, 2007/02

no abstracts in English

65 (Records 1-20 displayed on this page)