YOKOYAMA Akihiko

Last updated: Nov 27, 2018 at 16:03

Name	YOKOYAMA Akihiko
Affiliation	Kanazawa University
Section	Institute of Science and Engineering, Faculty of Chemistry, Institute of Science and Engineering, Faculty of Chemistry

Research Interests

Generator for nuclear medicine(1) , Nuclear reaction with heavy elements(1) , nuclear chemistry(15)

Research Areas

Chemistry / Inorganic chemistry /
Applied Chemistry / Bio-related chemistry /
Integrated engineering / Nuclear engineering /

Academic & Professional Experience

Plain Text

Dec 2008

Today

Professor, Institute of Science and Engineering, Kanazawa University

May 2001

Nov 2008

Associate　Professor, Faculty of Science, Kanazawa　University

1988

1990

: Oregon State University, USA　

1990

2001

: Osaka University　

Education

Plain Text

1988

Graduate School, Division of Natural Science, Osaka University

1982

Faculty of Science, Osaka University

Misc

Plain Text1 2 3 4 >

Rapid method for determination of ⁹⁰Sr in seawater by liquid scintillation counting with an extractive scintillator

Masaki Uesugi, Ryosuke Watanabe, Hiroaki Sakai, Akihiko Yokoyama

Talanta 178 339-347 Feb 2018

© 2017 Elsevier B.V. A rapid determination method of 90Sr is developed for the monitoring of seawater around the Fukushima Daiichi Nuclear Power Plant (FDNPP). Three ideas of chemical separation and measurements to accelerate 90Sr analysis are inv...

Extraction behavior of rutherfordium as a cationic fluoride complex with a TTA chelate extractant from HF/HNO<inf>3</inf> acidic solutions

Akihiko Yokoyama, Yuta Kitayama, Yoshiki Fukuda, Hidetoshi Kikunaga, Masashi Murakami, Yukiko Komori, Shinya Yano, Hiromitsu Haba, Kazuaki Tsukada, Atsushi Toyoshima

Radiochimica Acta Jan 2018

© 2018 Walter de Gruyter GmbH, Berlin/Boston. The aim of this study was to identify relevant Rf chemical species by using reversed-phase extraction chromatography with 2-thenoyltrifluoroacetone (TTA) resin as the stationary phase. Because TTA can ...

Development of a new continuous dissolution apparatus with a hydrophobic membrane for superheavy element chemistry

K. Ooe, K. Ooe, M. F. Attallah, M. Asai, N. Goto, N. S. Gupta, H. Haba, M. Huang, J. Kanaya, Y. Kaneya, Y. Kasamatsu, Y. Kitatsuji, Y. Kitayama, K. Koga, Y. Komori, T. Koyama, J. V. Kratz, H. V. Lerum, S. Miyashita, S. Miyashita, Y. Oshimi, V. Pershina, D. Sato, T. K. Sato, Y. Shigekawa, A. Shinohara, A. Tanaka, A. Toyoshima, K. Tsukada, S. Tsuto, T. Yokokita, A. Yokoyama, J. P. Omtvedt, Y. Nagame, M. Schädel, M. Schädel

Journal of Radioanalytical and Nuclear Chemistry 303 1317-1320 Jan 2015

© 2014, Akadémiai Kiadó, Budapest, Hungary. A new technique for continuous dissolution of nuclear reaction products transported by a gas-jet system was developed for superheavy element (SHE) chemistry. In this technique, a hydrophobic membrane is ...

Chemical studies of Mo and W in preparation of a seaborgium (Sg) reduction experiment using MDG, FEC, and SISAK

A. Toyoshima, K. Ooe, S. Miyashita, S. Miyashita, M. Asai, M. F. Attallah, N. Goto, N. S. Gupta, H. Haba, M. Huang, J. Kanaya, Y. Kaneya, Y. Kasamatsu, Y. Kitatsuji, Y. Kitayama, K. Koga, Y. Komori, T. Koyama, J. V. Kratz, H. V. Lerum, Y. Oshimi, V. Pershina, D. Sato, T. K. Sato, Y. Shigekawa, A. Shinohara, A. Tanaka, K. Tsukada, S. Tsuto, T. Yokokita, A. Yokoyama, J. P. Omtvedt, Y. Nagame, M. Schädel, M. Schädel

Journal of Radioanalytical and Nuclear Chemistry 303 1169-1172 Jan 2015

© 2014, Akadémiai Kiadó, Budapest, Hungary. The extraction and reduction behavior of Mo and W, lighter homologs of Sg, was studied in continuous on-line experiments at the JAEA tandem accelerator to develop a new chemistry assembly consisting of a...

Production and separation of astatine isotopes in the ⁷Li + ^natPb reaction

I. Nishinaka, A. Yokoyama, K. Washiyama, E. Maeda, S. Watanabe, K. Hashimoto, N. S. Ishioka, H. Makii, A. Toyoshima, N. Yamada, R. Amano

Journal of Radioanalytical and Nuclear Chemistry 304 1077-1083 Jan 2015

© Akadémiai Kiadó, Budapest, Hungary 2015. Production cross sections of astatine isotopes 207-211At in the 29–57 MeV 7Li + natPb reaction have been measured by α- and γ-ray spectrometry. Excitation functions of production cross sections have been ...

Research Grants & Projects

Plain Text

Measurement of hyperfine field in active sites of biological molecule by PAC

JSPS: Grants-in-Aid for Scientific Research

Project Year: 2004 - 2005 Investigator(s): YOKOYAMA, Akihiko

Chemical properties of heavy elements

Study on the mechanims of heavy-ion nuclear reactions

Project Year: 1982

Angular momentum dependence of heavy-ion induced reaction