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Journal Articles

Characteristic analysis on generativity of staffs in nuclear power plant in decommissioning project

Zhao, Q.*; Taruta, Yasuyoshi; Kobayashi, Shigeto*; Hashimoto, Takashi*

Chishiki Kyoso (Internet), 9, p.III 1_1 - III 1_9, 2019/06

no abstracts in English

Journal Articles

Journal Articles

Nanoscopic structural investigation of nanogels for drug delivery application

Sekine, Yurina

Shiki, 41, P. 4, 2018/12

This article described the detailed structure of a nanogel formed by self-association of polysaccharides determined by contrast variation small-angle neutron scattering.

Journal Articles

Adaptation for knowledge management to nuclear research fields

Taruta, Yasuyoshi; Yanagihara, Satoshi*; Iguchi, Yukihiro; Kitamura, Koichi; Tezuka, Masashi; Koda, Yuya

Chishiki Kyoso (Internet), 8, p.IV 2_1 - IV 2_12, 2018/08

no abstracts in English

Journal Articles

Development of program for improving generativity of staffs in nuclear power plant

Zhao, Q.*; Taruta, Yasuyoshi; Kobayashi, Shigeto*; Hashimoto, Takashi*

Chishiki Kyoso (Internet), 8, p.V 13_1 - V 13_2, 2018/08

no abstracts in English

Journal Articles

Characterization of spin superstructures using neutron transmission spectra

Mamiya, Hiroaki*; Oba, Yojiro; Oikawa, Kenichi

Shiki, 39, P. 4, 2018/06

no abstracts in English

Journal Articles

Sequence-dependent DNA fluctuation by neutron quasi-elastic scattering

Nakagawa, Hiroshi; Kataoka, Mikio*

Shiki, 36, P. 6, 2017/09

We report that the degree of bendability of DNA molecules with double helical structure depends on the base sequence and demonstrated by prediction by computer and so on by demonstrating by neutron quasielastic scattering.

Journal Articles

Development of elemental analytical methods in BL04 ANNRI

Toh, Yosuke; Huang, M.; Kimura, Atsushi; Nakamura, Shoji; Harada, Hideo; Ebihara, Mitsuru*

Shiki, 28, P. 4, 2015/09

no abstracts in English

Journal Articles

Electronic structure of hydrogen impurities in a dielectric material probed by muonium spectroscopy

Ito, Takashi; Higemoto, Wataru; Koda, Akihiro*; Shimomura, Koichiro*

Shiki, 26, P. 5, 2015/03

no abstracts in English

Journal Articles

Accurate Neutron-Nucleus Reaction measurement Instrument (ANNRI) at J-PARC/BL04

Harada, Hideo; Kimura, Atsushi; Toh, Yosuke; Nakamura, Shoji

Shiki, 21, P. 3, 2013/12

no abstracts in English

Journal Articles

Development of high power mercury target; Pressure wave mitigation by micro-bubbles

Haga, Katsuhiro

Shiki, 19, P. 4, 2013/06

In the neutron source facility of J-PARC, protecting the structural integrity of the mercury target against the pressure wave attack which is generated by the injection of the high power proton beam is the most important issue to achieve the world strongest neutron beam. Previous off-line studies have shown that the impact force of pressure waves can be reduced using the cushioning effect of dispersed He micro-bubbles whose sizes are several hundred microns. Then, we developed swirl-type bubbler which can generate micro-bubbles in mercury, and fabricated the mercury target with the bubbler mouted in it. Also, by utilizing the advanced technique of micro machinning, we developed the reflective mirror and mouted it on the mercury target, which enabled the ${it in-situ}$ monitoring of target vibration by laser beam. As a result, the pressure wave mitigation effect by micro-bubbles injection was demonstrated in the operating mercury target for the first time in the world, and the 300 kW beam operation and the world strongest neutron beam generation were attained.

Journal Articles

Effects of ion beam irradiation on the expression of glutathione peroxidase in cultured human retinal vascular endothelial cells exposed to L-dopa

Akeo, Kiyoshi*; Hamada, Nobuyuki*; Funayama, Tomoo; Akeo, Yoko*; Kobayashi, Yasuhiko

Soshiki Baiyo Kenkyu, 32(1), p.195 - 202, 2013/06

We examined the influence of L-dopa on the inactivation of reactive oxygen species by glutathione peroxidase (GPx), which protects in human retinal vascular endothelial (RE) cells from free radical damage. We used ion beams to induce oxidative stress and measured GPx expression by means of real-time reverse-transcriptase-polymerase chain reaction (RT-PCR) analysis. Exposure to L-dopa inhibited GPx expression in human RE cells. GPx expression in RE cells incubated with L-dopa decreased significantly after exposure to 50 MeV He and 220 MeV C, disturbing the defense mechanism against the L-dopa-induced production of reactive oxygen species. In contrast, 350 MeV Ne irradiation significantly increased GPx3 expression. The result indicated that there are the influence of ion beams on L-dopa-induced stress rather than the influence of L-dopa on ion beam-induced stress because GPx expression in L-dopa-treated human RE cells depended on the types of heavy ion used during irradiation.

Journal Articles

Technologies for soil decontamination

Naganawa, Hirochika

Seshiumu O Dosuru; Fukushima Gempatsu Jiko Josen Notameno Kisochishiki, p.67 - 108, 2012/12

no abstracts in English

Journal Articles

Study for development of the Fukushima Dai-ichi Nuclear Power Station accident archive

Nakajima, Hidemitsu; Ikeda, Kiyoshi; Yonezawa, Minoru; Itabashi, Keizo; Kiriyama, Eriko*; Iwata, Shuichi*

Joho Chishiki Gakkai-Shi, 22(4), p.344 - 353, 2012/11

BB2012-1951.pdf:2.04MB

The Library of Japan Atomic Energy Agency (JAEA) has developed the special website on Fukushima Dai-ichi Nuclear Power Station accident from April 4, 2011. This website is provided both in Japanese and English. It disseminates over 15,000 bibliographic and full-text records, such as JAEA's research results, academic journal articles, conference papers, technical reports etc. In this paper, the authors introduce the special website on Fukushima Dai-ichi Nuclear Power Station accident and discuss some challenging issues to develop archive.

Journal Articles

Polarized neutron reflectometer SHARAKU (BL17) at J-PARC

Takeda, Masayasu; Yamazaki, Dai

Shiki, 16, P. 4, 2012/09

no abstracts in English

Journal Articles

Effect of hydration on protein dynamics studied by neutron inelastic scattering

Nakagawa, Hiroshi

Shiki, 6, P. 3, 2010/03

Proteins, molecular machines that contribute to almost all living phenomena, primarily function in an aqueous milieu at ambient temperatures. It has been reported that proteins cannot function at cryogenic temperature cryogenic temperatures or at low hydration levels, which strongly implies that both thermal fluctuations and hydration affect protein function. In order to understand the molecular mechanisms that underlie cellular biology, it is essential to examine protein dynamics in aqueous environments. Inelastic neutron scattering (INS) allows protein dynamics to be examined at pico- to nanosecond timescales.

Journal Articles

The Effects of ultraviolet irradiation and hypoxia on expression of glutathione peroxidase and glyceraldehyde 3-phosphate dehydrogenase in the cultured retinal pigment epithelium

Akeo, Kiyoshi*; Funayama, Tomoo; Hamada, Nobuyuki*; Akeo, Yoko*; Hiramitsu, Tadahisa*; Kobayashi, Yasuhiko

Soshiki Baiyo Kenkyu, 26(3), p.149 - 157, 2007/09

Journal Articles

A Distributed material database on the internet; Recent activity in Data-Free-Way

Nakajima, Ritsuko*; Shimura, Kazuki*; Fujita, Mitsutane*; Tsuji, Hirokazu; ; Tachi, Yoshiaki*; Kano, Shigeki*; Iwata, Shuichi*

Joho Chishiki Gakkai Dai-6-Kai Kenkyu Hokokukai Koen Rombunshu, p.43 - 46, 1998/00

no abstracts in English

Journal Articles

Ion exchange separation and analytical techniques of actinide elements

Usuda, Shigekazu

Heisei-7-Nendo Shin Shisshiki Saishori Shisutemu Gijutsu Kaihatsu To Seika Hokokusho, 0, p.60 - 72, 1996/03

no abstracts in English

37 (Records 1-20 displayed on this page)