YOKOYAMA Akihiko 横山明彦

Researcher Number	80230655
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2008 – 2023: 金沢大学, 物質化学系, 教授 2018: 金沢大学, 理工学研究域物質化学系, 教授 2014: 金沢大学, 理工研究域, 教授 2013: 金沢大学, 理工研究域物質化学系, 教授 2004 – 2006: 金沢大学, 自然科学研究科, 助教授 … More 2001 – 2003: 金沢大学, 理学部, 助教授 1999 – 2000: 大阪大学, 大学院・理学研究科, 助手 1993 – 1994: 大阪大学, 理学部, 助手 Less
Review Section/Research Field	Principal Investigator Inorganic chemistry / Inorganic chemistry Except Principal Investigator Inorganic chemistry / Inorganic chemistry / Basic Section 63040:Environmental impact assessment-related / Basic Section 52040:Radiological sciences-related / Quantum beam science / Risk sciences of radiation and chemicals / Risk sciences of radiation/Chemicals / Radiation science / Science and Engineering / Quantum beam science / Cultural property science
Keywords	Principal Investigator 反応・分離工学 / ジェネレーター / 放射線 / 原子・分子物理 / NCS / NBS / ポロニウム / イオン液体 / 溶媒抽出 / ジェネレータ … More / ラドン / アスタチン / metal chelate / field gradient / copper protein / pH / cadmium-117 / mavicyanin / perturbed angular correlation / 後遺効果 / オキシン / 金属キレート / 電場勾配 / 銅タンパク質 / 水素イオン濃度依存性 / カドミウム-117 / マビシアニン / ガンマ線摂動角相関法 / 液液平衡 / 液液抽出 / ラザホージウム / 抽出クロマトグラフィー / 超重元素 / 臨界角運動量 / gamma線スペクトロメトリー / ちっ素 / ホルミウム / アルゴン / プラセオジウム / 核融合断面積 / 重イオン反応 … More Except Principal Investigator トレーサー / アクチノイド / アスタチン / スパイク / 人工放射性核種 / ネプツニウム / Ac-227 / Eu-152 / 229-Th / 重元素 / アイソトープ治療 / アスタチン-211 / 化学分離 / 放射線 / ジェネレーター / ラドン / 核医学利用 / アルファ放射性同位体 / 放射化学 / 電子架橋過程 / ネプツニウム同位体 / 加速器質量分析 / ドジメトリー / アビジン / ビオチン / α線 / プレターゲティング / 標的アイソトープ治療 / 量子ビーム医療応用 / 質量分析 / 海水循環 / 海洋循環 / 核反応断面積 / fluorescent X-ray of Sm / neutron-induced radioactivity / atomic-bomb neutrons / samples exposed to atom-bombing / Euの化学分離精製 / Smの蛍光X線 / 中性子誘導放射能 / 原爆中性子 / 原爆被ばく試料 / Solvent Extraction / Single Atom Chemistry / Rapid Chemistry / Heavy Actinides / Trasactinides / Nobelium / Heavy Elements / 単一原子電解法 / 溶媒抽出 / 単一原子化学 / 迅速化学分離 / 重アクチノイド / 超アクチノイド / ノーベリウム / electronic bridge mechanism / inverse internal conversion / inner-shell atomic processes / nuclear disintegration processes / heavy elements / 逆内部転換過程 / 内殻原子過程 / 核壊変 / Prompt Neutron / Mass / Kinetic Energy / Time-of-Flight / Thermal Neutron / Fission / Actinides / time-of-flight / マルチモード核分裂 / アクチノイド核種 / 熱中性子誘起核分裂 / 運動エネルギー / 飛行時測定装置 / 即発中性子数 / 質量分布 / 運動エネルギー分布 / 飛行時間測定装置 / 熱中性子 / 核分裂 / アスタチン－211 / 内用療法 / 癌 / ラドン-211 / 薬学 / がん / ジェネレータ / α放射体 / Sr-Ｒａｄ　ｄｉｓｋ / β線スペクトル / 汚染対策 / 福島原発事故 / Sr-89 / Sr-90 / Sr-Rad disk / 液体シンチレーション / リン酸塩沈殿法 / 福島第一原発事故 / 迅速分析法 / 放射性ストロンチウム / 微弱放射能 / 放射線検出 / 福島事故 / 環境動態 / 放出模擬実験 / 大気化学 / 地球化学 / 放射線計測 / 環境放射能動態 / 環境放射能 / 核医学 / 放射性医薬品 / 加速器 / 核プローブ / MRIイメージ / 生物無機化学 / 放射性元素 / タリウム / スペシエーション / 脳局在性 / 脳内微量元素 / 核 / 半減期 / 壊変特性 / 紫外光核遷移 / 229m-TH / 内部空間分析 / 非破壊元素分析 / 文化財資料 / パイオニックX線 / パイ中間子原子 / エキゾッチックアトム Less

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
- Principal Investigator
  
  坂口綾
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63040:Environmental impact assessment-related
- Research Institution
  University of Tsukuba
Optimization of pretargeted alpha therapy for multiple types of cancer
- Principal Investigator
  
  Washiyama Kohshin
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Fukushima Medical University
Chemistry of radioactive radon for developing an astatine -211 generator systemPrincipal Investigator
- Principal Investigator
  
  YOKOYAMA AKIHIKO
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Kanazawa University
Development of a mass spectrometric analysis for the environmental neptunium and its application
- Principal Investigator
  
  Sakaguchi Aya
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Risk sciences of radiation and chemicals
- Research Institution
  University of Tsukuba
Sophistication of a Rn-211/At-211 generator system for medical use
- Principal Investigator
  
  NISHINAKA Ichiro
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Quantum beam science
- Research Institution
  National Institutes for Quantum and Radiological Science and Technology
  Japan Atomic Energy Agency
Development of a matter phase controlled Rn/At generator for targeted alpha therapy
- Principal Investigator
  
  Washiyama Kohshin
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Radiation science
- Research Institution
  Fukushima Medical University
  Kanazawa University
Development of technology and radiation measurement in various chemical forms
- Principal Investigator
  
  Shinohara Atsushi
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  Osaka University
Rapid determination methode of radioactive strontium for radiological emergency
- Principal Investigator
  
  UESUGI Masaki
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Kanazawa University
Speciation and chemical behaviors of a superheavy elemnt, Rf in aqueous solutionPrincipal Investigator
- Principal Investigator
  
  YOKOYAMA AKIHIKO
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Kanazawa University
Development of 211Rn/211At generator for medical use of alpha radioactive isotopes
- Principal Investigator
  
  NISHINAKA Ichiro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Quantum beam science
- Research Institution
  Japan Atomic Energy Agency
Bioinorganic study of transition metal localization in brain by the use of nuclear probe detection method
- Principal Investigator
  
  AMANO Ryohei
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Kanazawa University
MEASUREMENT OF ELECTRIC FIELD GRADIENT AT THE METAL SITES IN PROTEINSPrincipal Investigator
- Principal Investigator
  
  YOKOYAMA Akihiko
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  KANAZAWA UNIVERSITY
Reevaluation of atomic-bomb neutron fluence through purification of europium separated from samples exposed to atom-bombing
- Principal Investigator
  
  NAKANISHI Takashi
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Risk sciences of radiation/Chemicals
- Research Institution
  Kanazawa University
Single Atom Chemistry for Heavy Elements (Redox Reaction of Nobelium)
- Principal Investigator
  
  SHINOHARA Atsushi
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Osaka University
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)
- Principal Investigator
  
  篠原厚
- Project Period (FY)
  2001
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Inorganic chemistry
- Research Institution
  Osaka University
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
- Principal Investigator
  
  Shinohara Atsushi
- Project Period (FY)
  1999
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Cultural property science
- Research Institution
  Osaka University
Nuclear Disintegration and Inner-Shell Atomic Processes in Heavy Elements
- Principal Investigator
  
  OHKUBO Yoshitaka
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  Inorganic chemistry
- Research Institution
  KYOTO UNIVERSITY
重イオン核融合反応における角運動量効果の研究Principal Investigator
- Principal Investigator
  
  横山明彦
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Osaka University
MULTI-MODE FISSION OF ACTINIDES INDUCED BY THERMAL NEUTRON
- Principal Investigator
  
  BABA Hiroshi
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Inorganic chemistry
- Research Institution
  Osaka University

[Journal Article] Incomplete fusion reaction producing Pa nuclides in the <sup>232</sup>Th + <sup>7</sup>Li reaction2023
- Author(s)
  Teranishi Kakeru、Morita Ryoga、Hayakawa Yuta、Sakaguchi Aya、Nakajima Akihisa、Komori Yukiko、Yokokita Takuya、Mori Daiki、Haba Hiromitsu、Yokoyama Akihiko
- Journal Title
  
  Radiochimica Acta
  
  Volume: 111 Issue: 8 Pages: 589-596
- DOI
  10.1515/ract-2022-0093
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22H04961, KAKENHI-PROJECT-23K21757
[Journal Article] Determination of 236U in a Th target irradiated with Li ions by ICP mass spectrometry2022
- Author(s)
  A. Nagai, K. Teranishi, R. Morita, H. Hosokawa, A. Yokoyama, A. Nakajima, A. Sakaguchi, Y. Shigekawa, A. Nambu,T. Yokokita, H. Haba
- Journal Title
  
  RIKEN accelerator progress report 2021
  
  Volume: 55 Pages: 123-123
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K21757
[Journal Article] Relative Formation Probabilities for Fluoride and Oxyfluoride Anions of U, Np, Pu and Am in Accelerator Mass Spectrometry Measurements at VERA2022
- Author(s)
  A. Wiederin, M. Kern, K. Hain, M. Martschini, A. Sakaguchi, P. Steier, A. Yokoyama, R. Golser
- Journal Title
  
  Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
  
  Volume: 528 Pages: 40-44
- DOI
  10.1016/j.nimb.2022.07.011
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K21757
[Journal Article] Developing Accelerator Mass Spectrometry Capabilities for Anthropogenic Radionuclide Analysis to Extend the Set of Oceanographic Tracers2022
- Author(s)
  Hain Karin, Martschini Martin, Gulce Fadime, Honda Maki, Lachner Johannes, Kern Michael, Pitters Johanna, Quinto Francesca, Sakaguchi Aya, Steier Peter, Wiederin Andreas, Wieser Alexander, Yokoyama Akihiko, Golser Robin,
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 9 Pages: 1-17
- DOI
  10.3389/fmars.2022.837515
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19849, KAKENHI-PROJECT-23K21757
[Journal Article] Measurement of the isotopic ratio of Np-236 to Np-237 in Th-232 + Li-7 reaction products by accelerator mass spectrometry2021
- Author(s)
  A. Nakajima, K. Teranishi, A. Yokoyama, A. Sakaguchi, K. Hain, R. Morita, A. Seto, A. Nagai, D. Mori, Y. Komori, T. Yokokita, Y. Wang, H. Haba
- Journal Title
  
  RIKEN accelerator progree report 2020
  
  Volume: 2020 Pages: 142-142
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K21757
[Journal Article] Production of Np isotopes in the 232Th + 7Li reaction for standard material in accelerator mass spectrometry2019
- Author(s)
  Y. Hayakawa, A. Yokoyama, A. Sakaguchi, K. Teranishi, R. Morita, N. Matsumura, A. Nakajima, D. Mori, Y. Komori, T. Yokokita, Y. Wang, H. Haba
- Journal Title
  
  RIKEN Accelerator Progress Report
  
  Volume: 52 Pages: 202-202
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H01874
[Journal Article] Speciation analysis of oxidation states of astatine extracted into ethanol-water solutions2019
- Author(s)
  Y. Shin, K. Kawasaki, K. Aoi, K. Washiyama, A. Yokoyama, I. Nishinaka, S. Yanou, and H. Haba
- Journal Title
  
  RIKEN accelerator progress report
  
  Volume: 52 Pages: 204-204
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05807
[Journal Article] Dissolved state of radon with cluster molecules of solvent2018
- Author(s)
  N. Yamada, Y. Shin, K. Kawasak, A. Yokoyama, T. Ida
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 318 Issue: 3 Pages: 2303-2306
- DOI
  10.1007/s10967-018-6223-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05807
[Journal Article] Wet chemistry processes utilized development of 211Rn/211At generator for targeted alpha therapy2018
- Author(s)
  Y. Shin, K. Kawasaki, N. Yamada, K. Washiyama, A. Yokoyama, I. Nishinaka, S. Yanou, H. Haba
- Journal Title
  
  RIKEN Accelerator Progress Report
  
  Volume: 51 Pages: 228-228
- Data Source
  KAKENHI-PROJECT-15K04741
[Journal Article] Development of a Np standard material for accelerator mass spectrometry2018
- Author(s)
  A. Yokoyama, A. Sakaguchi, K. Yamamori, Y. Hayakawa, K. Sekiguchi, S. Yanou, Y. Komori, T. Yokokita, and H. Haba
- Journal Title
  
  IKEN Accelerator Progress Report 2017
  
  Volume: 51 Pages: 229-229
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H01874
[Journal Article] Production of iodine radionuclides using 7Li ion beams2017
- Author(s)
  Nishinaka I.、Yokoyama A.、Washiyama K.、Makii H.、Hashimoto K.
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 314 Pages: 1947-1965
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K04741
[Journal Article] Production of iodine radionuclides using 7Li ion beams2017
- Author(s)
  Nishinaka I, Yokoyama A, Washiyama K, Makii H, Hashimoto K.
- Journal Title
  
  J Radioanal Nucl Chem.
  
  Volume: 314 Issue: 3 Pages: 1947-1965
- DOI
  10.1007/s10967-017-5525-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15KK0301, KAKENHI-PROJECT-26461848
[Journal Article] 放射性ストロンチウム分離法における妨害核種の検討2016
- Author(s)
  酒井浩章、上杉正樹、横山明彦
- Journal Title
  
  Proceedings of the 17th Workshop of Environmental Radioactivity
  
  Volume: 2016-8 Pages: 202-207
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] 様々な核種が浸透したコンクリートにおける各元素の深度分布の推定2016
- Author(s)
  木下哲一，大石晃嗣，鳥居和敬，末木啓介，横山明彦
- Journal Title
  
  日本放射線安全管理学会誌
  
  Volume: 15 Pages: 46-51
- NAID
  130006895873
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Production and separation of astatine isotopes in the 7Li + natPb reaction2015
- Author(s)
  I. Nishinaka, A. Yokoyama, K. Washiyama, E. Maeda, S. Watanabe, K. Hashimoto, N S. Ishioka, H. Makii, A. Toyoshima, N. Yamada, R. Amano
- Journal Title
  
  J. Radioanal. Nucl. Chem.
  
  Volume: (印刷中)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23600013
[Journal Article] The situation of Ag and Pu radioisotopes in soil released from Fukushima Daiichi nuclear power plants2015
- Author(s)
  H. Kimura, M. Uesugi, A. Muneda, R. Watanabe, A. Yokoyama, T. Nakanishi
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 303 Issue: 2 Pages: 1469-1471
- DOI
  10.1007/s10967-014-3587-y
- NAID
  120005516437
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Production and separation of astatine isotopes in the 7Li + natPb reaction2015
- Author(s)
  I. Nisinaka, A. Yokoyama, K. Washiyama, E. Maeda, S. Watanabe, K. Hashimoto, N. S. Ishioka, H. Makii, A. Toyoshima, N. Yamada, R. Amano
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 304(3) Issue: 3 Pages: 1077-1083
- DOI
  10.1007/s10967-015-3975-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26461848
[Journal Article] 原子力緊急事態対応の放射性ストロンチウム分析法の迅速化2015
- Author(s)
  上杉正樹, 渡辺良祐，酒井浩章，横山明彦
- Journal Title
  
  Proceedings of the 16th Workshop on Environmental Radioactivity
  
  Volume: 2015-4 Pages: 104-110
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Extraction of astatine isotopes for development of radiopharmaceuticals using a 211Rn-211At generator2015
- Author(s)
  E. Maeda, A. Yokoyama, T. Taniguchi, K. Washiyama, I. Nishinaka
- Journal Title
  
  J. Radioanal. Nucl. Chem.
  
  Volume: 303 Pages: 1465-1468
- NAID
  120005516436
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23600013
[Journal Article] 土壌試料中のPu,Am逐次分析における溶解と前濃縮の迅速化の検討2015
- Author(s)
  鈴木開登，上杉正樹，横山明彦
- Journal Title
  
  Proceedings of the 16th Workshop on Environmental Radioactivity
  
  Volume: 2015-4 Pages: 49-54
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Extraction of astatine isotopes for development of radiopharmaceuticals using a 211Rn-211At generator2015
- Author(s)
  E. Maeda, A. Yokoyama, T. Taniguchi, K. Washiyama, I. Nishinaka
- Journal Title
  
  Journal of Radioanalytical and Nuclear Chemistry
  
  Volume: 303(2) Issue: 2 Pages: 1465-1468
- DOI
  10.1007/s10967-014-3586-z
- NAID
  120005516436
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26461848
[Journal Article] Adsorption Behavior of Zr and Hf to TTA-resin in Microcolumn for Determining the Forming Ability of Rf Monofluoride Complex2014
- Author(s)
  Y. Kitayama, Y. Shigeyoshi, A. Yokoyama, A. Toyoshima, K. Tsukada, K. Ooe, E. Maeda, H. Kimura, H. Kikunaga, Y. Kudou, J. Kanaya, M. Huang, H. Haba
- Journal Title
  
  Journal of Nuclear and Radioanalytical Chemistry
  
  Volume: 未定
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23550070
[Journal Article] 福島第一原子力発電所事故に対応したPu分析法の検討及び放出されたPuの存在状態に関する研究2014
- Author(s)
  木村元, 上杉正樹, 鈴木開登，横山明彦, 中西孝
- Journal Title
  
  KEK Proceedings(Proceedings of the 15th Workshop on Environment al Radioactivity)
  
  Volume: 7 Pages: 322-328
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Adsorption behavior of Zr and Hf to TTA-resin in microcolumn for determining the forming ability of Rf monofluoride complex2014
- Author(s)
  A. Yokoyama, Y. Kitayama, Y. Fukuda, A. Toyoshima, K. Tsukada, E. Maeda, H. Kimura, T. Taniguchi, S. Ueno, K. Hayashi, H. Kikunaga, M. Murakami, J. Kanaya, M. Huang, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep
  
  Volume: Vol.47(in press)
- URL
  http://www.nishina.riken.jp/researcher/APR/index_e.html
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23550070
[Journal Article] Adsorption behavior of Zr and Hf to TTA-resin in microcolumn for determining the forming ability of Rf monofluoride complex2014
- Author(s)
  A. Yokoyama, Y. Kitayama, Y. Fukuda, A. Toyoshima, K. Tsukada, E. Maeda, H. Kimura
- Journal Title
  
  RIKEN Accelerator Report 2013
  
  Volume: 48
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23550070
[Journal Article] Extraction of astatine isotopes for developments of radiopharmaceuticals2014
- Author(s)
  E. Maeda, A. Yokoyama, T. Taniguchi, K. Washiyama, I. Nishinaka
- Journal Title
  
  JAEA-Review
  
  Volume: 2013-057 Pages: 31-32
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23600013
[Journal Article] 海水中Sr-90分析における濃縮法と測定法の検討2014
- Author(s)
  渡辺良祐，上杉正樹, 横山明彦, 中西孝
- Journal Title
  
  KEK Proceedings(Proceedings of the 15th Workshop on Environment al Radioactivity)
  
  Volume: 7 Pages: 300-305
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] 海水中Sr-90分析における濃縮法と測定法の検討2014
- Author(s)
  渡辺良祐、上杉正樹、横山明彦、中西孝
- Journal Title
  
  KEK Proceedings
  
  Volume: 2014-7 Pages: 300-305
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24550073
[Journal Article] Preliminary study on quadrivalent chemical species of rutherfordium in aqueous solution by means of TTA resin2013
- Author(s)
  A. Yokoyama, Y. Shigeyoshi, Y. Kitayama, A. Toyoshima, K. Tsukada, K. Ooe, E. Maeda, H. Kimura, H. Kikunaga, Y. Kudou, J. Kanaya, M. Huang, H. Haba
- Journal Title
  
  RIKEN Accel. Prog. Rep
  
  Volume: Vol.46 Pages: 242-242
- URL
  http://www.nishina.riken.jp/researcher/APR/index_e.html
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23550070
[Journal Article] 福島第一原子力発電所事故により放出されたAg-110mの粒子性2013
- Author(s)
  棟田章裕、上杉正樹、木村元、渡辺良祐、横山明彦
- Journal Title
  
  KEK Proceedings
  
  Volume: 2013-7 Pages: 336-343
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] 福島第一原子力発電所事故で放出されたPuの粒子性2013
- Author(s)
  木村元、上杉正樹、棟田章裕、渡辺良祐、横山明彦、中西孝
- Journal Title
  
  KEK Proceedings
  
  Volume: 2013-7 Pages: 344-349
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-24110009
[Journal Article] Preliminary study on quadrivalent chemical species of rutherfordium in an aqueous solution by using TTA resin2013
- Author(s)
  A. Yokoyama, Y. Shigeyoshi, Y. Kitayama, A. Toyoshima, K. Tsukada, K. Ooe, E. Maeda, H. Kimura, H. Kikunaga, Y. Kudou, J. Kanaya, M. Huang, and H. Haba
- Journal Title
  
  RIKEN Accelerator Progress Report
  
  Volume: Vol. 46
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23550070
[Journal Article] Technological development for half-life measurement of ^<146>Sm nuclide2007
- Author(s)
  N.Kinoshita, A.Yokoyama, T.Nakanishi, 他20名
- Journal Title
  
  Journal of Nuclear and Radiochemical Sciences 8(1)(印刷中)
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] Extraction behavior of rutherfordium into tributylphosphate from hydrochloric acid2007
- Author(s)
  H.Haba, A.Yokoyama, 他30名
- Journal Title
  
  Radiochimica Acta 95
  
  Pages: 1-6
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] and T. Nakanishi, Obstraction due to Sm-X-rays to the determination of ultra-low-level 152Eu separated from a sample exposed to Nagasaki atomic-bomb2006
- Author(s)
  Y.Inoue, T.Nomura, H.Izumi, R.Hosotani, A.Yokoyama
- Journal Title
  
  Proceedings of the Seventh Workshop on Environmental Radioactivity (Eds. K Bessho and T. Miura), KEK Proceedings 2006-5, High Energy Accelerator Research Organization, Tsukuba, Japan
  
  Pages: 242-244
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] Obstraction due to Sm-X-rays to the determination of ultra-low-level ^<152>Eu separated from a sample exposed to Nagasaki atomic-bomb2006
- Author(s)
  Y.Inoue, T.Nomura, H.Izumi, R.Hosotani, A.Yokoyama, T.Nakanishi
- Journal Title
  
  Proceedings of the Seventh Workshop on Environmental Radioactivity High Energy Accelerator Research Organization, Tsukuba, Japan(Eds. K. Bessho and T. Miura) KEK Proceedings 2006-5
  
  Pages: 242-244
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] Search for α-decay of ^<229m>Th produced from ^<229>Ac β-decay following ^<232>Th(γ,p2n) reaction2005
- Author(s)
  H.Kikunaga, Y.Kasamatsu, K.Takamiya, T.Mitsugashira, M.Hara, T.Ohtsuki, H.Yuki, A.Shinohara, S.Shibata, N.Kinoshita., A.Yokoyama, T.Nakanishi
- Journal Title
  
  Radiochimica Acta 93
  
  Pages: 507-510
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] 物性・構造研究のためのガンマ線摂動角相関法2005
- Author(s)
  大久保嘉高, 横山明彦, 佐藤渉
- Journal Title
  
  放射化学ニュース第12号
  
  Pages: 1-9
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16550052
[Journal Article] 物性・構造研究のためのガンマ線摂動角相関法2005
- Author(s)
  大久保嘉高, 横山明彦, 佐藤渉
- Journal Title
  
  放射化学ニュース 12
  
  Pages: 1-9
- Data Source
  KAKENHI-PROJECT-16550052
[Journal Article] Purification of europium for the determination of the specific radioactivity of ultra low-level Eu-152 in a sample exposed to atomic-bomb neutrons in Nagasaki2004
- Author(s)
  R.Hosotani, H.Izumi, T.Nomura, A.Yokoyama, T.Nakanishi
- Journal Title
  
  Proceedings of the Fifth Workshop on Environmental Radioactivity (Ed. T. Miura), KEK Proceedings 2004-8, High Energy Accelerator Research Organization, Tsukuba, Japan 31-34
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] Removal of actinium from europium for the determination of specific radioactivity of ultra low-level Eu-152 in a sample exposed to atomic-bomb neutrons in Nagasaki2004
- Author(s)
  R.Hosotani, H.Izumi, T.Nomura, A.Yokoyama, T.Nakanishi
- Journal Title
  
  Advances in Nuclear and Radiochemistry(Extended Abstracts of NRC6)
  
  Pages: 185-186
- Data Source
  KAKENHI-PROJECT-15310035
[Journal Article] Purification of europium for the determination of the specific radioactivity of ultra low-level Eu-152 in a sample exposed to atomic-bomb neutrons in Nagasaki2004
- Author(s)
  R.Hosotani, H.Izumi, T.Nomura, A.Yokoyama, T.Nakanishi
- Journal Title
  
  Proceedings of the Fifth Workshop on Environmental Radioactivity High Energy Accelerator Research Organization, Tsukuba, Japan(Ed. T. Miura) KEK Proceedings 2004-8
  
  Pages: 31-34
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15310035
[Presentation] 海水循環トレーサー利用に向けた海水中の237Np分析法の確立2023
- Author(s)
  榊枝優真、中島朗久、永井歩夢、細川浩由、横山明彦、羽場宏光、南部明弘、重河優大、鄭建、・瀬古典明、保科宏行、・Hain Karin、Andreas Wiederin、末木啓介、山崎信哉、坂口綾
- Organizer
  日本放射化学会第67回討論会
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] 232Th+7Li核反応におけるα線放出生成物の定量2023
- Author(s)
  細川浩由、永井歩、榊枝優真、干場香湖、南部明弘、重河優大、羽場宏光、坂口綾、横山明彦
- Organizer
  日本放射化学会第67回討論会
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] 海水中の極微量人工放射性核種 237Np の定量法検討2023
- Author(s)
  榊枝優真、中島朗久、永井歩夢、細川浩由、横山明彦、羽場宏光、南部明弘、重河優大、鄭建、・瀬古典明、保科宏行、・Hain Karin、Andreas Wiederin、末木啓介、山崎信哉、坂口綾
- Organizer
  日本地球化学会年会(2023)
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] Thターゲット中に生成するNpの単離を目的とした高除染係数溶媒抽出法の検討2022
- Author(s)
  細川浩由、瀬戸彩乃、永井歩夢、中島朗久、坂口綾、羽場宏光、横山明彦
- Organizer
  日本放射化学会年会2022
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] 232Th+7Li核反応によって生成するU同位体のICP-MSによる定量2022
- Author(s)
  永井歩夢、細川浩由、中島朗久、坂口綾、南部明弘、重河優大、羽場宏光、横山明彦
- Organizer
  日本放射化学会年会2022
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] Detection of Long-Lived Actinides at VERA2021
- Author(s)
  Karin Hain, Michael Kern, Jixin Qiao, Francesca Quinto, Aya Sakaguchi, Peter Steier, Gabriele Wallner, Andreas Wiederin, Akihiko Yokoyama, and Robin Golser
- Organizer
  Plasma Physics and Quantum Optics Section (SAMOP)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] トリウム標的への Li イオン照射によって生じる 236U の ICP-MS による定量2021
- Author(s)
  永井歩夢, 寺西翔, 坂口綾, 中島朗久, 羽場宏光, 横北卓也, 南部明弘, 横山明彦
- Organizer
  日本放射化学会年会2021
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] 質量分析による環境中237Np定量法確立に向けて2021
- Author(s)
  中島朗久, 坂口綾, 早川優太, 羽場宏光, 塚田和明, Karin Hain, Jian Zheng, 瀬古典明, 保科宏行, 山崎信哉, 末木啓介, 横山明彦
- Organizer
  日本地球化学会年会2021
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] Relative Formation Probabilities for Fluoride and Oxyfluoride Anions of U, Np, Pu and Am in Accelerator Mass Spectrometry Measurements at VERA2021
- Author(s)
  Andreas Wiederin, Robin Golser, Michael Kern, Karin Hain, Martin Martschini, Aya Sakaguchi, Peter Steier Akihiko Yokoyama
- Organizer
  15th International Conference on Accelerator Mass Spectrometry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K21757
[Presentation] U+p及びTh+Li反応によるNp同位体励起関数の作成2019
- Author(s)
  早川優太、村田真優、松村夏紀、坂口綾、中島朗久、藤沼修平、関口佳汰、笠松良崇、篠原厚、羽場宏光、小森有希子、横北卓也、矢納慎也、森大輝、横山明彦
- Organizer
  日本放射化学会第63回討論会
- Data Source
  KAKENHI-PROJECT-17H01874
[Presentation] 239Np複合核系における核分裂測定による軌道角運動量の推定2019
- Author(s)
  森田涼雅、早川優太、横山明彦、笠松良崇、篠原厚、羽場宏光、小森有希子、横北卓也、森大輝
- Organizer
  日本放射化学会第63回討論会
- Data Source
  KAKENHI-PROJECT-17H01874
[Presentation] 232Th+7Li反応系における不完全融合反応の研究2019
- Author(s)
  寺西翔、森田涼雅、早川優太、小森有希子、横北卓也、森大輝、横山明彦、羽場宏光
- Organizer
  日本放射化学会第63回討論会
- Data Source
  KAKENHI-PROJECT-17H01874
[Presentation] Rn-211/At-211 ジェネレータシステムに必要な207Po 除去法の検討2019
- Author(s)
  青井景都, 新裕貴, 川﨑康平, 東美里, 鷲山幸信, 西中一朗, 羽場宏光, 森大輝, Yang Wang, 横山明彦
- Organizer
  日本放射化学会第６３回討論会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] TLC, IPを用いた溶液中でのアスタチンの化学種同定2019
- Author(s)
  丸山峻平、横山明彦、西中一朗、鷲山幸信、川﨑康平、青井景都、東美里
- Organizer
  日本化学会近畿支部2019年度北陸地区講演会と研究発表会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] ラドンの気相回収法とイオン液体抽出によるRn-At ジェネレーターシステムの開発2019
- Author(s)
  川﨑康平, 新裕貴, 青井景都, 東美里, 鷲山幸信, 西中一朗, 横山明彦
- Organizer
  日本放射化学会第６３回討論会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] Production of a Np standard material for accelerator mass spectrometry in nuclear reactions2018
- Author(s)
  A. Yokoyama, A. Sakaguchi, K. Yamamori, Y. Hayakawa, K. Sekiguchi, S. Yanou, Y. Komori , T. Yokokita, H. Haba, N. Takahashi, and A. Shinohara
- Organizer
  18th Radiochemical conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01874
[Presentation] 加速器質量分析による237Npの定量に向けた236gNpトレーサーの製造2018
- Author(s)
  早川　優太, 山守　航平, 坂口　綾, 関口　佳汰, 矢納　慎也小森　有希子, 横北　卓也, 羽場　宏光, 篠原　厚, 横山　明彦
- Organizer
  2018日本放射化学会年会・第62回放射化学討論会
- Data Source
  KAKENHI-PROJECT-17H01874
[Presentation] Dissolved state of radon with cluster molecules of solvent2018
- Author(s)
  N. Yamada, Y. Shin, K. Kawasak, A. Yokoyama, T. Ida
- Organizer
  the 18th Radiochemical conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] 211Rn－211At ジェネレータ開発のためのアスタチン溶媒抽出研究 ―131 Iとの抽出挙動の比較及び酸化剤効果の調査―2018
- Author(s)
  新裕喜，川崎康平，青井景都，横山明彦，鷲山幸信, 西中一朗，矢納慎也，羽場宏光
- Organizer
  2018日本放射化学会年会・放射化学討論会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] ラドンガス密封シリンジを利用した Rn-Atジェネレーターシステムの開発2018
- Author(s)
  川﨑康平, 新裕喜, 青井景都, 鷲山幸信, 西中一朗, 羽場宏光, 矢納慎也, 横山明彦
- Organizer
  2018日本放射化学会年会・放射化学討論会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] 福島原発事故における1次放出核種の化学形態の解明を目指した環境動態研究2017
- Author(s)
  篠原厚、齊藤敬、上杉正樹、小島貞男、村松久和、沖雄一、大槻勤、横山明彦、大浦泰嗣、吉村崇、二宮和彦、中西孝、高橋成人、菊永英寿、末木啓介、大塚孝治、岡田住子、高宮幸一、佐藤志彦、小池裕也、斎藤裕子、山口喜朗、高橋賢臣、市原千博
- Organizer
  第１８回「環境放射能」研究会
- Place of Presentation
  つくば市
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 211Rn－211At ジェネレーター開発のためのアスタチン溶媒抽出の研究2017
- Author(s)
  新裕喜、川﨑康平、山田記大、横山明彦、鷲山幸信、西中一朗
- Organizer
  2017日本放射化学会年会第61回放射化学討論会
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] Development of a 211Rn/211At Generator Using a Wet Chemistry Approach for Targeted Alpha Therapy Applications2017
- Author(s)
  Yuki SHIN, Akihiko YOKOYAMA, Shuta OOE, Kento MURAKAMI, Takumi TANIGUCHI, Eita MAEDA, Norihiro YAMADA, Kohshin WASHIYAMA, Ichiro NISHINAKA
- Organizer
  6th Asia-Pacific Symposium on Radiochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] Wet chemistry of radon and astatine for the development of a 211Rn/211At generator2017
- Author(s)
  Y. Shin, S. Ooe, K. Murakami, T. Taniguchi, E. Maeda, N. Yamada, K. Washiyama, A. Yokoyama, I. Nishinaka
- Organizer
  10th International Symposium on Targeted Alpha Therapy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05807
[Presentation] Wet chemistry of radon and astatine for the development of a 211Rn/211At generator2017
- Author(s)
  Shin Y, Ooe S, Murakami K, Taniguchi T, Maeda E, Yamada N, Washiyama K, Yokoyama A.
- Organizer
  10th International Symposium on Targeted Alpha Therapy
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] TEVA-Discを用いた土壌中プルトニウム分析法の迅速化の検討2017
- Author(s)
  山守航平、上杉正樹、横山明彦
- Organizer
  第１８回「環境放射能」研究会
- Place of Presentation
  つくば市
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] Wet chemistry processes utilized in the development of a 211Rn/211At generator for targeted alpha therapy2017
- Author(s)
  Shin Y, Ooe S, Murakami K, Taniguchi T, Maeda E, Yamada N, Washiyama K, Yokoyama A, Nishinaka I
- Organizer
  6th Asia-Pacific Symposium on Radiochemistry
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 211Rn－211Atジェネレーター開発のためのアスタチン溶媒抽出の研究2017
- Author(s)
  新裕喜, 川﨑康平, 山田記大, 横山明彦, 鷲山幸信, 西中一朗
- Organizer
  第61回放射化学討論会
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 飽和炭化水素溶媒に対するアスタチンの抽出挙動2017
- Author(s)
  鷲山幸信、新裕喜、横山明彦、豊嶋厚史、神田晃充、篠原厚、吉村崇
- Organizer
  第61回放射化学討論会
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 原子力機構タンデム加速器での7Liイオンビームを用いたアスタチンとヨウ素放射性同位体の製造と利用2016
- Author(s)
  西中一朗（量研）、鷲山幸信（金沢大）、前田英太（金沢大・原子力機構）、谷口拓海（金沢大・原子力機構）、横山明彦（金沢大）、橋本和幸（量研）
- Organizer
  2016日本放射化学会年会・第60回放射化学討論会
- Place of Presentation
  新潟市、新潟大学五十嵐キャンパス
- Year and Date
  2016-09-10
- Data Source
  KAKENHI-PROJECT-15K04741
[Presentation] Measurement of the 209Bi(7Li, 5n)211Rn, 209Bi(7Li, 6n)210Rn reaction cross sections towards the development of a 211Rn/211At generator2016
- Author(s)
  K. Washiyama, E. Maeda, I. Nishinaka, K. Hashimoto, H. Makii, A. Yokoyama
- Organizer
  16th International Workshop on Targetry and Target Chemistry (WTTC16)
- Place of Presentation
  Santa Fe, NM, USA
- Year and Date
  2016-08-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 放射性ストロンチウム分離法における妨害核種の検討2016
- Author(s)
  酒井浩章, 上杉正樹, 横山明彦
- Organizer
  第17回「環境放射能」研究会
- Place of Presentation
  つくば
- Year and Date
  2016-03-08
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 液体シンチレーションカウンタを用いた抽出シンチレータによる89Srと90Srの弁別測定法の検討2016
- Author(s)
  酒井浩章、上杉正樹、横山明彦
- Organizer
  第60回放射化学討論会
- Place of Presentation
  新潟市
- Year and Date
  2016-09-10
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 原子力機構タンデム加速器での7Li イオンビームを用いたアスタチンとヨウ素放射性同位体の製造と利用2016
- Author(s)
  西中一朗、鷲山幸信、前田英太、谷口拓海、横山明彦、橋本和幸
- Organizer
  第60回放射化学討論会
- Place of Presentation
  新潟大学五十嵐キャンパス（新潟県新潟市）
- Year and Date
  2016-09-10
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] Production and utilization of astatine and iodine radioisotopes using 7Li ion beams at the JAEA tandem accelerator2016
- Author(s)
  西中一朗（量研）、鷲山幸信（金沢大学）、前田英太（金沢大学）、谷口拓海（金沢大学・原子力機構）、横山（金沢大学）、橋本和幸（量研）
- Organizer
  The 16th International Workshop on Targetry and Target Chemistry
- Place of Presentation
  米国ニューメキシコ州サンタフェ、エルドラドホテルアンドスパ
- Year and Date
  2016-08-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04741
[Presentation] 211Rn-211At ジェネレーター開発を目的としたシリンジ密封抽出系のAt/Rn分離係数の研究2016
- Author(s)
  山田記大、新裕喜、大江崇太、村上拳冬、橋本和幸、西中一朗、鷲山幸信、横山明彦
- Organizer
  第60回放射化学討論会
- Place of Presentation
  新潟大学五十嵐キャンパス（新潟県新潟市）
- Year and Date
  2016-09-10
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] TEVAレジンディスクを用いた土壌中に含まれるプルトニウム迅速定量法の検討2016
- Author(s)
  山守航平,上杉正樹,横山明彦
- Organizer
  第60回放射化学討論会
- Place of Presentation
  新潟市
- Year and Date
  2016-09-10
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] Production and utilization of astatine and iodine radioisotopes using 7Li ion beams at the JAEA tandem accelerator2016
- Author(s)
  I. Nishinaka, K. Washiyama, E. Maeda, T. Taniguchi, A. Yokoyama, K. Hashimoto
- Organizer
  16th International Workshop on Targetry and Target Chemistry (WTTC16)
- Place of Presentation
  Santa Fe, NM, USA
- Year and Date
  2016-08-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] Development of a 211Rn/211At generator using a wet chemistry approach for targeted alpha therapy applications2015
- Author(s)
  K. Washiyama, R. Amano, E. Maeda, N. Yamada, T. Taniguchi, A. Yokoyama, I. Nishinaka, A. Toyoshima, H. Makii, K. Hashimoto
- Organizer
  9th Symposium on Targeted Alpha Therapy
- Place of Presentation
  Palac Prymasowski, Warsaw Poland
- Year and Date
  2015-05-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 核反応209Bi(7Li,5n)211Rnでのα放射線療法用211Atの製造2015
- Author(s)
  西中一朗、鷲山幸信、横山明彦、前田英太、橋本和幸、牧井宏之
- Organizer
  2015日本放射化学会年会
- Place of Presentation
  東北大学（仙台）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-15K04741
[Presentation] 土壌試料中に含まれるプルトニウム及びアメリシウムの迅速分離法の開発2015
- Author(s)
  鈴木開登，上杉正樹，山守航平，横山明彦
- Organizer
  2015日本放射化学会年会・第59回放射化学討論会
- Place of Presentation
  仙台
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] Production of alpha-emitting radioisotopes using the cyclotron facilities at Osaka University and JAEA Takasaki, and the Tandem accelerator at Tokai, JAEA2015
- Author(s)
  K. Washiyama, R. Amano, E. Maeda, A. Yokoyama, I. Nishinaka, N. Takahashi, A. Shinohara, S. Watanabe, N. S. Ishioka
- Organizer
  Pacifichem 2015
- Place of Presentation
  Hilton Hawaiian Village, Honolulu, Hawaii, USA.
- Year and Date
  2015-12-15
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] リン酸塩共沈前濃縮と DGA レジン化学分離を用いた 90Y の定量による海水中 90Srの迅速定量法2015
- Author(s)
  酒井浩章，上杉正樹、横山明彦
- Organizer
  2015日本放射化学会年会・第59回放射化学討論会
- Place of Presentation
  仙台
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 核反応209Bi(7Li,5n)211Rnでのα放射線療法用211Atの製造2015
- Author(s)
  西中一朗、鷲山幸信、横山明彦、前田英太、橋本和幸、牧井宏之
- Organizer
  第59回放射化学討論会
- Place of Presentation
  東北大学川内北キャンパス（宮城県仙台市）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 209Bi(7Li, 5n)211Rn反応をして生成する211Atの製造条件の最適化2015
- Author(s)
  鷲山幸信、前田英太、西中一朗、横山明彦、橋本和幸、牧井宏之
- Organizer
  第59回放射化学討論会
- Place of Presentation
  東北大学川内北キャンパス（宮城県仙台市）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 211Rn/211Atジェネレータの原型としてのシリンジ密封抽出系の構築2015
- Author(s)
  村上拳冬、大江崇太、谷口拓海、橋本和幸、牧井宏之、西中一朗、鷲山幸信、横山明彦
- Organizer
  第59回放射化学討論会
- Place of Presentation
  東北大学川内北キャンパス（宮城県仙台市）
- Year and Date
  2015-09-25
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 福島県内の河川における放射性セシウムの移行状況2014
- Author(s)
  谷口圭輔、恩田裕一、吉村和也、Hugh Smith、William Blake、山本政儀、横山明彦、高橋嘉夫、坂口綾
- Organizer
  第15回「環境放射能」研究会
- Place of Presentation
  茨城県つくば市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] コンクリートへの放射性核種の浸透2014
- Author(s)
  木下哲一、大石晃嗣、末木啓介、横山明彦
- Organizer
  第15回「環境放射能」研究会
- Place of Presentation
  茨城県つくば市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 海水中Sr-90分析における濃縮法と測定法の検討2014
- Author(s)
  渡邉良祐、上杉正樹、横山明彦、中西　孝
- Organizer
  第15回「環境放射能」研究会
- Place of Presentation
  茨城県つくば市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 海水中Sr-90分析における濃縮法と測定法の検討2014
- Author(s)
  上杉正樹、渡辺良祐、横山明彦、中西孝
- Organizer
  環境放射能研究会
- Place of Presentation
  筑波高エネルギー研究所
- Data Source
  KAKENHI-PROJECT-24550073
[Presentation] 福島第一原子力発電所事故に対応したPu分析法の検討及び放出されたPuの存在状態に関する研究2014
- Author(s)
  木村　元、上杉正樹、横山明彦、鈴木開登、中西　孝
- Organizer
  第15回「環境放射能」研究会
- Place of Presentation
  茨城県つくば市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 福島およびその周辺3地点における大気エアロゾル中の放射性物質濃度の3年間の長期変化2014
- Author(s)
  鶴田治雄、荒井俊昭、司馬薫、山田裕子、草間優子、中島映至、渡邉明、長林久夫、北和之、篠原厚、二宮和彦、横山明彦、梶野瑞王
- Organizer
  第15回「環境放射能」研究会
- Place of Presentation
  茨城県つくば市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 福島第一原子力発電所事故で放出されたPuの粒子性2013
- Author(s)
  木村　元、上杉正樹、棟田章裕、渡辺良祐、横山明彦、中西　孝
- Organizer
  第14回環境放射能研究会
- Place of Presentation
  高エネルギー加速器研究機構（つくば）
- Year and Date
  2013-02-26
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 福島第一原子力発電所事故により放出されたAg-110mの粒子性2013
- Author(s)
  棟田章裕、木村　元、渡辺良祐、横山明彦、上杉正樹
- Organizer
  第14回環境放射能研究会
- Place of Presentation
  高エネルギー加速器研究機構（つくば）
- Year and Date
  2013-02-26
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] Adsorption Behavior of Zr and Hf to TTA-resin in Microcolumn for Determining the Forming Ability of Rf Monofluoride Complex2013
- Author(s)
  Y. Kitayama, Y. Shigeyoshi, A. Toyoshima, K. Tsukada, K. Ooe, E. Maeda, H. Kimura, H. Kikunaga, Y. Kudou, J. Kanaya, M. Huang, H. Haba, A. Yokoyama
- Organizer
  5th Asia-Pacific Symposium on Radiochemistry
- Place of Presentation
  Kanazawa, Japan
- Data Source
  KAKENHI-PROJECT-23550070
[Presentation] Production and separation of radioactive astatine isotopes in the 7Li+natPb reaction2013
- Author(s)
  I. Nishinaka, A. Yokoyama, K. Washiyama, R. Amano, et al.
- Organizer
  8th International Symposium on Targeted Alpha Therapy
- Place of Presentation
  Oak Ridge National Laboratory, Oak Ridge, Tenesee, 米国
- Data Source
  KAKENHI-PROJECT-23600013
[Presentation] Production and utilization of radioactive isotopes in the 7Li + natPb reaction2013
- Author(s)
  I. Nishinaka, A. Yokoyama, K. Washiyama, R. Amano, et al.
- Organizer
  5th Asia Pacific Symposium on Radiochemistry '13
- Place of Presentation
  金沢文化ホール、金沢
- Data Source
  KAKENHI-PROJECT-23600013
[Presentation] Adsorption Behavior of Zr and Hf to TTA-resin in Microcolumn for Determining the Forming Ability of Rf Monofluoride Complex2013
- Author(s)
  Y. Kitayama, Y. Shigeyoshi, A. Yokoyama, A. Toyoshima, K. Tsukada, K. Ooe, E. Maeda, H. Kimura, H. Kikunaga, Y. Kudou, J. Kanaya, M. Huang, H. Haba
- Organizer
  5th Asia-Pacific Symposium on Radiochemsitry
- Place of Presentation
  金沢市民文化ホール、金沢市
- Data Source
  KAKENHI-PROJECT-23550070
[Presentation] Particulates of Ag and Pu radioisotopes released from Fukushima Daiichi nuclear power plants2013
- Author(s)
  H. Kimura, M. Uesugi, A. Muneda, R. Watanabe, A. Yokoyama, T. Nakanishi
- Organizer
  APSORC'13 - 5th Asia-Pacific Symposium on Radiochemistry
- Place of Presentation
  石川県金沢市
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 福島第一原子力発電所事故で放出されたAgおよびPu放射性同位体の粒子性2012
- Author(s)
  木村　元、上杉正樹、棟田章裕、渡辺良祐、横山明彦、中西　孝
- Organizer
  2012日本放射化学会年会/第56回放射化学討論会
- Place of Presentation
  東京工業大学
- Year and Date
  2012-10-03
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] Study on Quadrivalent Chemical Species of Rutherfordium in Aqueous Solution by Means of TTA resin2012
- Author(s)
  A. Yokoyama, Y. Shigeyoshi, Y. Takeda, M. Araki, A. Toyoshima, K. Tsukada, Y. Kasamatsu, H. Kikunaga, H. Haba, and J. Kanaya
- Organizer
  EuCheMS International Conference on Nuclear and Radiochemistry (NRC-8)
- Data Source
  KAKENHI-PROJECT-23550070
[Presentation] Study on Quadrivalent Chemical Species of Rutherfordium in Aqueous Solution by Means of TTA resin2012
- Author(s)
  A. Yokoyama, Y. Shigeyoshi, Y. Takeda, M. Araki, A. Toyoshima, K. Tsukada, Y. Kasamatsu, H. Kikunaga, and H. Haba
- Organizer
  International Conference on Nuclear and Radiochemistry (NRC8)
- Place of Presentation
  Como, Italy
- Data Source
  KAKENHI-PROJECT-23550070
[Presentation] Rfの化学種解明に向けた逆相クロマトグラフ用樹脂調製法の再検討II2012
- Author(s)
  重吉祐生, 北山雄太, 横山明彦
- Organizer
  2012日本放射化学会年会・第56回放射化学討論会
- Place of Presentation
  東京工業大学大岡山
- Data Source
  KAKENHI-PROJECT-23550070
[Presentation] アルファ放射体を用いた転移性骨腫瘍の治療2010
- Author(s)
  鷲山幸信, 山村朝雄, 佐藤伊佐務, 三頭聡明, 高橋成人, 篠原厚, 横山明彦, 天野良平
- Organizer
  2010日本放射化学会年会
- Place of Presentation
  大阪大学吹田キャンパス銀杏会館(大阪府)
- Year and Date
  2010-09-29
- Data Source
  KAKENHI-PROJECT-20550059
[Presentation] 原子力緊急事態対応のための放射性ストロンチウム定量法の迅速化
- Author(s)
  上杉正樹、渡辺良祐、酒井浩章、横山明彦
- Organizer
  第16回環境放射能研究会
- Place of Presentation
  高エネルギー研究所筑波
- Year and Date
  2015-03-09 – 2015-03-11
- Data Source
  KAKENHI-PROJECT-24550073
[Presentation] 7Liイオンビームを用いたアスタチン、ヨウ素RIの製造と利用
- Author(s)
  西中一朗、横山明彦、鷲山幸信、天野良平、前田英太、谷口拓海、村上拳冬、渡辺茂樹、鈴木博元、石岡典子、橋本和幸、牧井宏之
- Organizer
  第58回放射化学討論会
- Place of Presentation
  名古屋大学工学部IB電子情報館（愛知県名古屋市）
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] α線内用療法のための211Rn/211At ジェネレータの作成
- Author(s)
  鷲山幸信、前田英太、横山明彦、西中一朗、谷口拓海、山田記大、牧井宏之、豊嶋厚史、天野良平
- Organizer
  第54回日本核医学会学術総会
- Place of Presentation
  大阪国際会議場（大阪府大阪市）
- Year and Date
  2014-11-06 – 2014-11-08
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 有機溶媒を用いたラドン捕集及び壊変生成物の回収に関する基礎的検討
- Author(s)
  前田英太、鷲山幸信、山田記大、谷口拓海、村上拳冬、天野良平、西中一朗、横山明彦
- Organizer
  第58回放射化学討論会
- Place of Presentation
  名古屋大学工学部IB電子情報館（愛知県名古屋市）
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 核医薬品利用に向けたアスタチン-211の溶媒抽出とその抽出プロセスにおける化学形の研究
- Author(s)
  谷口拓海、前田英太、村上拳冬、西中一朗、鷲山幸信、横山明彦
- Organizer
  第58回放射化学討論会
- Place of Presentation
  名古屋大学工学部IB電子情報館（愛知県名古屋市）
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-26461848
[Presentation] 液体シンチレーション測定を用いた海水中の放射性Sr迅速分析の検討
- Author(s)
  渡辺良祐、上杉正樹、酒井浩章、横山明彦
- Organizer
  第58回放射化学討論会
- Place of Presentation
  名古屋大学
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PROJECT-24550073
[Presentation] 液体シンチレーション測定を用いた海水中の放射性Sr 迅速分析の検討
- Author(s)
  渡辺良祐、上杉正樹、酒井浩章、横山明彦
- Organizer
  2014日本放射化学会年会・第58回放射化学討論会
- Place of Presentation
  名古屋大学東山キャンパス（名古屋市）
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 土壌試料中のPu, Am 逐次分析における溶解と前濃縮の迅速化の検討
- Author(s)
  鈴木開登, 上杉正樹, 横山明彦
- Organizer
  第１６回「環境放射能」研究会
- Place of Presentation
  高エネルギー加速器研究機構（つくば市）
- Year and Date
  2015-03-09 – 2015-03-11
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 原子力緊急事態対応のための放射性ストロンチウム定量法の迅速化
- Author(s)
  上杉正樹, 渡辺良祐, 酒井浩章, 横山明彦
- Organizer
  第１６回「環境放射能」研究会
- Place of Presentation
  高エネルギー加速器研究機構（つくば市）
- Year and Date
  2015-03-09 – 2015-03-11
- Data Source
  KAKENHI-PLANNED-24110009
[Presentation] 土壌試料中のPu、Am 逐次分析における溶解と前濃縮の迅速化の検討
- Author(s)
  鈴木開登、上杉正樹、横山明彦、中西孝
- Organizer
  2014日本放射化学会年会・第58回放射化学討論会
- Place of Presentation
  名古屋大学東山キャンパス（名古屋市）
- Year and Date
  2014-09-11 – 2014-09-13
- Data Source
  KAKENHI-PLANNED-24110009

1. WASHIYAMA Koushin (80313675)

# of Collaborated Projects: 5 results

# of Collaborated Products: 35 results
2. Shinohara Atsushi (60183050)

# of Collaborated Projects: 5 results

# of Collaborated Products: 2 results
3. TAKAHASHI Naruto (00197162)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. NISHINAKA Ichiro (70354884)

# of Collaborated Projects: 3 results

# of Collaborated Products: 26 results
5. NAKANISHI Takashi (00019499)

# of Collaborated Projects: 3 results

# of Collaborated Products: 8 results
6. SATO Wataru (90333319)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. HABA Hiromitsu (60360624)

# of Collaborated Projects: 2 results

# of Collaborated Products: 18 results
8. UESUGI Masaki (00622094)

# of Collaborated Projects: 2 results

# of Collaborated Products: 29 results
9. OHTSUKI Tsutomu (50233193)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
10. YOSHIMURA Takashi (90323336)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
11. SAITO Tadashi (50153812)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. OHKUBO Yoshitaka (70201374)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
13. Sakaguchi Aya (00526254)

# of Collaborated Projects: 2 results

# of Collaborated Products: 18 results
14. 鄭建 (30370878)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
15. AMANO Ryohei (30111769)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. MIYATI Toshiaki (80324086)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. TSUKADA Kazuaki (30343916)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
18. BABA Hiroshi (60156536)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. NAKAGOME Yoshihiro (50027455)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. YAMANA Hajimu (30283683)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. SHIBATA Seiichi (80110708)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. MITSUGASHIRA Toshiaki (30005938)

# of Collaborated Projects: 1 results

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23. NAGAME Yuichiro (80354885)

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24. KATAOKA Kunishige (40252712)

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25. 三浦太一 (80209717)

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26. 小田寛貴 (30293690)

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27. 高宮幸一 (70324712)

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28. 齊藤敬 (00343616)

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29. 小島貞男 (20126858)

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30. 村松久和 (40157798)

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31. 沖雄一 (40204094)

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32. 大浦泰嗣 (90291567)

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33. 二宮和彦 (90512905)

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34. 本多照幸 (30139414)

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40. 趙松吉 (80374239)

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41. 巽俊文 (80868232)

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42. 粟生木美穂 (10783227)

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43. WATANABE Yoshihiro

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44. SAKAI Hiroaki

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YOKOYAMA Akihiko 横山 明彦

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Chemistry of radioactive radon for developing an astatine -211 generator systemPrincipal Investigator

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Speciation and chemical behaviors of a superheavy elemnt, Rf in aqueous solutionPrincipal Investigator

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MEASUREMENT OF ELECTRIC FIELD GRADIENT AT THE METAL SITES IN PROTEINSPrincipal Investigator

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YOKOYAMA Akihiko 横山明彦