Yokoyama Akihiko

ヨコヤマアキヒコ | Yokoyama Akihiko

Affiliation and department：

Research field (3)： Nuclear engineering , Biochemistry , Inorganic and coordination chemistry

Research keywords (6)： Generator for nuclear medicine , Nuclear reaction with heavy elements , 重イオン核反応 , 超アクチニド元素 , ガンマ線摂動角相関 , nuclear chemistry

Research theme for competitive and other funds (25)：

2021 - 2025 環境中エキゾチックアクチノイドにもたらす新展開-人工放射性核種ネプツニウム
2020 - 2023 Optimization of pretargeted alpha therapy for multiple types of cancer
2017 - 2020 Chemistry of radioactive radon for developing an astatine -211 generator system
2017 - 2020 Development of a mass spectrometric analysis for the environmental neptunium and its application
2015 - 2019 Sophistication of a Rn-211/At-211 generator system for medical use

2014 - 2018 Development of a matter phase controlled Rn/At generator for targeted alpha therapy

2012 - 2017 Development of technology and radiation measurement in various chemical forms

2012 - 2015 Rapid determination methode of radioactive strontium for radiological emergency

2011 - 2013 Development of 211Rn/211At generator for medical use of alpha radioactive isotopes

2011 - 2013 Speciation and chemical behaviors of a superheavy elemnt, Rf in aqueous solution

2008 - 2010 Bioinorganic study of transition metal localization in brain by the use of nuclear probe detection method

2003 - 2006 Reevaluation of atomic-bomb neutron fluence through purification of europium separated from samples exposed to atom-bombing

2004 - 2005 Measurement of hyperfine field in active sites of biological molecule by PAC

2002 - 2003 Single Atom Chemistry for Heavy Elements (Redox Reaction of Nobelium)

2001 - 2001 化学状態支配の核遷移(可視・紫外光放出原子核Th-229mの測定)

1999 - 2000 Nuclear Disintegration and Inner-Shell Atomic Processes in Heavy Elements

1999 - 1999 エキゾチックアトムによる文化財試料の非破壊元素分析法の開発

1993 - 1994 MULTI-MODE FISSION OF ACTINIDES INDUCED BY THERMAL NEUTRON

1993 - 1993 重イオン核融合反応における角運動量効果の研究

1982 - 重イオン核反応機構の研究

1982 - Study on the mechanims of heavy-ion nuclear reactions

重イオン融合反応における入口チャネル依存性の研究

重元素の化学的性質

Angular momentum dependence of heavy-ion induced reaction

Chemical properties of heavy elements

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Papers (30)：

Takumi Taniguchi, Shunpei Maruyama, Keito Aoi, Yuta Nagai, Kohshin Washiyama, Ichiro Nishinaka, Yang Wang, Hiromitsu Haba, Akihiko Yokoyama. Solvent extraction of astatine by DIPE and attempt to identify the extracted species by thin layer chromatography. Journal of Radioanalytical and Nuclear Chemistry. 2024
Yuki Shin, Shunpei Maruyama, Kohei Kawasaki, Keito Aoi, Kohshin Washiyama, Ichiro Nishinaka, Shinya Yano, Hiromitsu Haba, Akihiko Yokoyama. Solvent extraction following oxidation of astatine for the use of a 211Rn-211At generator. Journal of Radioanalytical and Nuclear Chemistry. 2023
Eita Maeda, Akihiko Yokoyama, Takumi Taniguch, Kohshin Washiyama, Ichiro Nishinaka. Measurements of excitation functions of radon and astatine isotopes from 7Li-induced reactions with 209Bi for development of a 211Rn-211At generator. J. Radioanal. Nucl. Chem. 2019. 323. 2. 921-926
YOKOYAMA Akihiko. Current and Future HVDC Transmission Technologies. The Journal of the Institute of Electrical Engineers of Japan. 2017. 137. 11. 745-746
I. Nishinaka, A. Yokoyama, K. Washiyama, H. Makii, K. Hashimoto. Production of iodine radionuclides using 7Li ion beams. J. Radioanal. Nucl. Chem. 2017. 314. 3. 1947-1965

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MISC (116)：

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Education (4)：

Work history (6)：

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Association Membership(s) (3)：

日本物理学会 , 日本化学会 , 日本放射化学会

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