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Journal Articles

Preparation and biological evaluation of 3-[$$^{76}$$Br]bromo-$$alpha$$-methyl-L-tyrosine, a novel tyrosine analog for PET imaging of tumors

Ohshima, Yasuhiro; Hanaoka, Hirofumi*; Watanabe, Shigeki; Sugo, Yumi; Watanabe, Satoshi; Tominaga, Hideyuki*; Oriuchi, Noboru*; Endo, Keigo*; Ishioka, Noriko

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 91, 2012/01

Journal Articles

Influence of energy of helium ions on degradation of diglycolamide in ${it n}$-dodecane

Sugo, Yumi; Taguchi, Mitsumasa; Sasaki, Yuji; Morita, Yasuji

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 18, 2012/01

Journal Articles

Production of radioactive bromine $$^{76}$$Br

Watanabe, Satoshi; Watanabe, Shigeki; Iida, Yasuhiko*; Hanaoka, Hirofumi*; Endo, Keigo*; Ishioka, Noriko

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 92, 2012/01

no abstracts in English

Journal Articles

Development of beam generation and irradiation technology for electrostatic accelerators

Yokoyama, Akihito; Uno, Sadanori; Chiba, Atsuya; Yamada, Keisuke; Saito, Yuichi; Ishii, Yasuyuki; Sato, Takahiro; Okubo, Takeru; Agematsu, Takashi

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 158, 2012/01

no abstracts in English

Journal Articles

Operation of the electrostatic accelerators

Agematsu, Takashi; Uno, Sadanori; Chiba, Atsuya; Yamada, Keisuke; Yokoyama, Akihito; Saito, Yuichi; Ishii, Yasuyuki; Sato, Takahiro; Okubo, Takeru; Yokota, Wataru; et al.

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 173, 2012/01

Three electrostatic accelerators of TIARA were operated smoothly in FY 2010, and all the planned experiments were carried out except those canceled by users or the impact of Great East Japan Earthquake on March 11, 2011. On the other hand, Saturday operation for experiments was carried out after October on the Global Nuclear-Human Resource Development Initiative. The yearly operation time of the tandem accelerator, the single-ended accelerator and the ion implanter amounted to 2116, 2367 and 1800 hours, respectively, which were similar to those of usual years. Regarding the single-ended accelerator, the generator in the high-voltage terminal failed and was replaced with new one. A switching magnet was installed for a new branch beam line of the ion implanter. As to the tandem accelerator, In ion was generated and accelerated at intensity of 500 nA.

Journal Articles

Structural phase transition of Pt/Ge(001) surface studied by reflection high-energy positron diffraction

Mochizuki, Izumi; Fukaya, Yuki; Kawasuso, Atsuo

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 137, 2012/01

Defect-free quasi-one chain with the single atomic width is reconstructed on the Ge(001) surface by a Pt adsorption of sub-atomic layer. Recently, it has been reported that the atomic chain undergoes the Peierls transition about 80 K. But, the electronic property, the atomic arrangements and displacements in the phase transition are not yet elucidated. Using reflection high-energy positron diffraction (RHEPD), we have reported that the rocking curve in a one-beam condition matches the dynamical calculation assuming the Nano-Wire (NW) model suggested by Vanpoucke et al. However, they have also proposed several NW models with different Pt coverages and have argued that the phase transition derives from the change of the Pt coverage. In this study, we have tried to determine the atomic arrangement, the Pt coverage and the displacements in the phase transition by using RHEPD with a many-beam condition. The rocking curve shows a good agreement with the calculated curve assuming the NW model with the Pt coverage of 0.75 ML, while the curve does not agree with the curves from the Pt coverage of 0.8125 or 0.875 ML. In addition, the change of rocking curves in the phase transition shows that the structural phase transition is caused by the height difference of the topmost Ge dimer atoms making the p(4$$times$$4) structure.

Journal Articles

Research and development on heavy-ion uniform-beam formation by nonlinear focusing

Yuri, Yosuke; Ishibori, Ikuo; Yuyama, Takahiro; Ishizaka, Tomohisa; Okumura, Susumu

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 161, 2012/01

Journal Articles

Development of fibrous adsorbent for polyols

Jo, Akinori*; Matsuura, Hirotaka*; Ishizaki, Junro*; Seko, Noriaki; Ueki, Yuji

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 54, 2012/01

no abstracts in English

Journal Articles

The Effect of partial delignification of kenaf bast fibers for radiation graft polymerization

Mohamed, N. H.*; Tamada, Masao; Ueki, Yuji; Seko, Noriaki

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 45, 2012/01

no abstracts in English

Journal Articles

A Simple method for radiation-induced graft polymerization using a polyethylene bottle as a reactor

Ueki, Yuji; Dafader, N. C.*; Seko, Noriaki; Tamada, Masao

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 43, 2012/01

no abstracts in English

Journal Articles

Surface modification of vulcanized rubber by radiation co-grafting

Mizote, Norihito*; Saito, Hiroaki*; Ueki, Yuji; Seko, Noriaki; Tamada, Masao

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 52, 2012/01

no abstracts in English

Journal Articles

Radiation-induced grafting of acrylonitrile monomer onto cellulose nonwoven fabric

Saiki, Seiichi; Puspitasari, T.*; Seko, Noriaki

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 44, 2012/01

no abstracts in English

Journal Articles

Fast single-ion hit system for heavy-ion microbeam at TIARA cyclotron, 4

Yokota, Wataru; Sato, Takahiro; Okumura, Susumu; Kurashima, Satoshi; Miyawaki, Nobumasa; Kashiwagi, Hirotsugu; Yoshida, Kenichi; Koka, Masashi; Takano, Katsuyoshi*; Yokoyama, Akihito; et al.

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 159, 2012/01

The development of the fast single-ion hit system was continued from last year in order to improve the quality of microbeam and single-ion hit at the TIARA cyclotron of the Japan Atomic Energy Agency. The major subjects were reduction of miss hit, no hit on the targeted point by any ions in the single-ion-hit irradiation, and development of a real-time detection system of single-ion hit. A new microbeam of 400 MeV-Fe with a spot diameter of about 4 $$mu$$m was also developed and supplied to an experiment.

Journal Articles

Operation of the AVF cyclotron

Nara, Takayuki; Ishibori, Ikuo; Kurashima, Satoshi; Yoshida, Kenichi; Yuyama, Takahiro; Ishizaka, Tomohisa; Okumura, Susumu; Miyawaki, Nobumasa; Kashiwagi, Hirotsugu; Yuri, Yosuke; et al.

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 172, 2012/01

no abstracts in English

Journal Articles

Dose optimization of $$^{107}$$Cd for direct imaging of Cd uptake from culture to root

Suzui, Nobuo; Kawachi, Naoki; Ishii, Satomi; Yamazaki, Haruaki; Fujimaki, Shu

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 95, 2012/01

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

Spectroellipsometric studies on EB induced refractive index change of aliphatic polyimide

Seito, Hajime; Hakoda, Teruyuki; Hanaya, Hiroaki; Haruyama, Yasuyuki; Kaneko, Hirohisa; Yamashita, Takashi*; Kojima, Takuji

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 150, 2012/01

no abstracts in English

Journal Articles

Energy dependence of nonlinear effects of sputtering yields of Si bombarded with 10-540-keV C$$_{60}$$ ions

Narumi, Kazumasa; Naramoto, Hiroshi*; Yamada, Keisuke; Saito, Yuichi; Chiba, Atsuya; Takahashi, Yasuyuki*; Maeda, Yoshihito

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 155, 2012/01

no abstracts in English

Journal Articles

Operation of the electron accelerator and $$gamma$$-ray irradiation facilities

Haruyama, Yasuyuki; Hanaya, Hiroaki; Yamagata, Ryohei; Seito, Hajime; Nagao, Yuto; Kaneko, Hirohisa; Yamaguchi, Toshiyuki*; Yagi, Norihiko*; Takagi, Masahide*; Kawashima, Ikuo*; et al.

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 174, 2012/01

The electron accelerator and $$gamma$$-ray irradiation facilities have been operated without serious troubles before the earthquake happened in March 11 2011. The electron accelerator and $$gamma$$-ray irradiation facilities were stopped with concern about the earthquake damage, for 13 and 20 days, respectively.

Journal Articles

Analysis of source-sink regulation system using cold-girdling and positron-emitting tracer imaging system (PETIS)

Yamazaki, Haruaki; Suzui, Nobuo; Kawachi, Naoki; Ishii, Satomi; Shimada, Hiroaki*; Fujimaki, Shu

JAEA-Review 2011-043, JAEA Takasaki Annual Report 2010, P. 98, 2012/01

60 (Records 1-20 displayed on this page)