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Journal Articles

Ion beam induced luminescence analysis of europium complexes in styrene-divinylbenzene copolymer-coated spherical silica by proton and argon ion beams irradiation

Nakahara, Masaumi; Watanabe, So; Takeuchi, Masayuki; Yuyama, Takahiro*; Ishizaka, Tomohisa*; Ishii, Yasuyuki*; Yamagata, Ryohei*; Yamada, Naoto*; Koka, Masashi*; Kada, Wataru*; et al.

Nuclear Instruments and Methods in Physics Research B, 542, p.144 - 150, 2023/09

The structures of Eu complexes in the adsorbents prepared with various extractants were evaluated by ion beam induced luminescence analysis in an extraction chromatography for minor actinides recovery. The luminescence of Eu was measured with a proton beam obtained from the single-ended accelerator and an argon ion beam obtained from the azimuthally varying field cyclotron in Takasaki Ion Accelerators for Advanced Radiation Application in National Institutes for Quantum Science and Technology. In this study, it was confirmed that the spectral shape of Eu complexes in the adsorbents varied depending on the kinds of extractants, and the correlation between the change in the spectra and the structures of Eu complexes was investigated.

Journal Articles

Ion beam induced luminescence spectra of europium complexes in silica-based adsorbent

Nakahara, Masaumi; Watanabe, So; Ishii, Yasuyuki*; Yamagata, Ryohei*; Yamada, Naoto*; Koka, Masashi*; Yuyama, Takahiro*; Ishizaka, Tomohisa*; Kada, Wataru*; Hagura, Naoto*

QST-M-39; QST Takasaki Annual Report 2021, P. 62, 2023/02

In an extraction chromatography method for minor actinides recovery, analysis for the structure of complex in a silica-based adsorbent has been studied to separate minor actinides efficiently. In this study, Eu was used as simulated material of minor actinides, and silica-based adsorbents containing Eu complex were prepared. The ion beam induced luminescence spectra of Eu complexes in silica-based adsorbents were measured, and the basic data for the structures of Eu complexes were obtained.

Journal Articles

Progress in R&D efforts on the energy recovery linac in Japan

Sakanaka, Shogo*; Ago, Tomonori*; Enomoto, Atsushi*; Fukuda, Shigeki*; Furukawa, Kazuro*; Furuya, Takaaki*; Haga, Kaiichi*; Harada, Kentaro*; Hiramatsu, Shigenori*; Honda, Toru*; et al.

Proceedings of 11th European Particle Accelerator Conference (EPAC '08) (CD-ROM), p.205 - 207, 2008/06

Future synchrotron light sources based on the energy-recovery linacs (ERLs) are expected to be capable of producing super-brilliant and/or ultra-short pulses of synchrotron radiation. Our Japanese collaboration team is making efforts for realizing an ERL-based hard X-ray source. We report recent progress in our R&D efforts.

Oral presentation

Application of in-air micro-PIXE to biological sample

Sakurai, Eiko*; Yanai, Kazuhiko*; Ishii, Keizo*; Oyama, Ryohei*; Sakamaki, Manabu*; Yamanaka, Kentaro*; Yamazaki, Hiromichi*; Matsuyama, Shigeo*; Kamiya, Tomihiro; Sato, Takahiro; et al.

no journal, , 

no abstracts in English

Oral presentation

Visualization and distribution analysis of boron for boron neutron capture therapy with accelerator-based neutron source

Nakai, Kei*; Yamamoto, Yohei*; Yamamoto, Tetsuya*; Yoshida, Fumiyo*; Matsumura, Akira*; Koka, Masashi; Yamada, Naoto; Kitamura, Akane; Sato, Takahiro; Yokoyama, Akihito; et al.

no journal, , 

no abstracts in English

Oral presentation

Response of Arabidopsis mutants which lack genes involved in carbon storage to high CO$$_{2}$$ concentration environment

Ishii, Yohei*; Suzui, Nobuo; Kawachi, Naoki; Yin, Y.-G.; Ishii, Satomi; Kurita, Keisuke; Fujimaki, Shu; Kusano, Hiroaki*; Shimada, Hiroaki*

no journal, , 

no abstracts in English

Oral presentation

Developments of radiotracer imaging technologies for the purpose of plant researches

Kawachi, Naoki; Suzui, Nobuo; Ishii, Satomi; Yin, Y.-G.; Kurita, Keisuke; Ishii, Yohei*; Shimada, Hiroaki*; Fujimaki, Shu

no journal, , 

no abstracts in English

Oral presentation

Analysis of carbon translocation in the ${it flo2}$ mutant of Arabidopsis using $$^{11}$$CO$$_{2}$$ and a positron-emitting tracer imaging system (PETIS)

Ishii, Yohei*; Suzui, Nobuo; Yin, Y.-G.; Kawachi, Naoki; Ishii, Satomi; Kurita, Keisuke; Shimada, Hiroaki*; Fujimaki, Shu

no journal, , 

Oral presentation

Structural analysis on Eu-HONTA complex formed in adsorbent

Watanabe, So; Okada, Makoto*; Matsuura, Haruaki*; Kada, Wataru*; Koka, Masashi*; Yamagata, Ryohei*; Yamada, Naoto*; Sato, Takahiro*; Ishii, Yasuyuki*

no journal, , 

no abstracts in English

Oral presentation

Proton and argon ion beam induced luminescence of europium complexes in porous silica-based adsorbents

Nakahara, Masaumi; Watanabe, So; Yuri, Yosuke*; Yuyama, Takahiro*; Ishizaka, Tomohisa*; Ishii, Yasuyuki*; Yamagata, Ryohei*; Yamada, Naoto*; Koka, Masashi*; Kada, Wataru*; et al.

no journal, , 

Ion beam induced luminescence analysis of complexes in porous silica-based adsorbents for an extraction chromatography was carried out to investigate structures of complexes. In this study, proton beam obtained from the single-ended accelerator and argon ion beam obtained from the azimuthally varying field cyclotron in Takasaki Ion Accelerators for Advanced Radiation Application (TIARA) in National Institute for Quantum and Radiological Science and Technology (QST). The research results for the relationship between the ion beam induced luminescence spectra and the structures of complexes would discussed.

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