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RIKEN SPring-8 Center NMR Development Group

Group Director: Yoshitaka Ishii (Ph.D.)

Research Summary

Yoshitaka  Ishii(Ph.D.)

We develop novel next-generation NMR instruments such as ultra-high-field NMR magnets and sophisticated NMR probes for advanced chemical and biological applications. We also take a leading role in the world-level NMR facilities through developing novel NMR instrumentations.

Main Research Fields

  • Interdisciplinary Science & Engineering

Related Research Fields

  • Mathematical & Physical Sciences
  • Chemistry
  • Engineering
  • Biological Sciences
  • Biology
  • Medicine, Dentistry & Pharmacy
  • Basic Chemistry
  • Electrical and electronic engineering

Keywords

  • High-field NMR
  • Superconductive magnet
  • Instrument development

Selected Publications

  • 1.Nagashima, T., Ueda, K., Nishimura, C., Yamazaki, T.:
    "Structure-Correlation NMR spectroscopy for Macromolecules Using Repeated Bidirectional Photoisomerization of Azobenzene"
    Anal. Chem. 87, 11544-11552 (2015)
  • 2.Shi, X., Prasanna, C., Nagashima, T., Yamazaki, T., Pervushin, K., NOrdenskiold, L.:
    "Structure and Dynamics in the Nucleosome Revealed by Solid-State NMR"
    Angew. Chem. Int. Ed. Engl. 57 9734-9738 (2018)
  • 3.K. Ohki, T. Nagaishi, T. Kato, D. Yokoe, T. Hirayama, Y. Ikuhara, T. Ueno, K. Yamagishi, T. Takao, R. Piao, H. Maeda and Y. Yanagisawa.:
    “Fabrication, microstructure and persistent current measurement of an intermediate grown superconducting (iGS) joint between REBCO-coated conductors”
    Superconductor Science and Technology 30, 115017 (7pp) (2017)
  • 4.K. Kajita, T. Takao, H. Maeda, and Y. Yanagisawa.:
    “Degradation of a REBCO conductor due to an axial tensile stress under edgewise bending: A major stress mode of deterioration in a high field REBCO coil’s performance”
    Superconductor Science and Technology 30, 074002 (8pp) (2017)
  • 5.Y. Suetomi, K. Yanagisawa, H. Nakagome, M. Hamada, H. Maeda, and Y. Yanagisawa.:
    “Mechanism of notable difference in the field delay times of no-insulation layer-wound and pancake-wound REBCO coils”
    Superconductor Science and Technology, 29, 105002(9pp) (2016)
  • 6.S. Iguchi, R. Piao, M. Hamada, S. Matsumoto, H. Suematsu, T. Takao, A. T. Saito, J. Li, H. Nakagome, X. Jin, M. Takahashi, H. Maeda, and Y. Yanagisawa.:
    “Advanced field shimming technology to reduce the influence of a screening current in a REBCO coil for a high-resolution NMR magnet”
    Superconductor Science and Technology, 29, 045013 (2016)
  • 7.K. Hashi, S. Ohki, S. Matsumoto, G. Nishijima, A. Goto, K. Deguchi, K. Yamada, T. Noguchi, S. Sakai, M. Takahashi, Y. Yanagisawa, S. Iguchi, T. Yamazaki, H. Maeda, R. Tanaka, T. Nemoto, H. Suematsu, T. Miki, K. Saito, T. Shimizu.:
    “Achievement of 1020 MHz NMR”
    Journal of Magnetic Resonance, 256, 30-33 (2015)
  • 8.Y. Yanagisawa, R. Piao, S. Iguchi, H. Nakagome, T. Takao, K. Kominato, M. Hamada, S. Matsumoto, H. Suematsu, X. Jin, M. Takahashi, T. Yamazaki, and H. Maeda.:
    “Operation of a 400 MHz NMR magnet using a (RE:Rare Earth)Ba2Cu3O7-x high-temperature superconducting coil: Towards an ultra-compact super-high field NMR spectrometer operated beyond 1 GHz”
    Journal of Magnetic Resonance, 249, 38-48 (2014). doi:10.1016/j.jmr.2014.10.006
  • 9.Hashi, K., Deguchi, K., Yamazaki, T., Ohki, S., Matsumoto, S., Nishijima, G., Goto, A., Yamada, K., Noguchi, T., Sakai, S., Takahashi, M., Yanagisawa, Y., Iguchi, S., Maeda, H., Tanaka, R., Nemoto, T., Suematsu, H., To, J., Torres, J., Pervushin, K., Shimizu, T.:
    "Efficiency of High Magnetic Fields in Solid-state NMR"
    Chemistry Letters 45, 209-210 (2016)
  • 10.Y. Yanagisawa, H. Nakagome, K. Tennmei, M. Hamada, M. Yoshikawa, A. Otsuka, M. Hosono, T. Kiyoshi, M. Takahashi, T. Yamazaki, and H. Maeda.:
    “Operation of a 500 MHz high temperature superconducting NMR: Towards an NMR spectrometer operating beyond 1 GHz”
    Journal of Magnetic Resonance, 203, 274-282 (2010)

Related Links

Lab Members

Principal investigator

Yoshitaka Ishii
Group Director

Contact Information

West NMR Complex,
1-7-22 Suehiro-cho, Tsurumi-ku,
Yokohama City, Kanagawa,
230-0045, Japan
Tel: +81-(0)45-503-9642
Fax: +81-(0)45-503-9641

Email: yoshitaka.ishii [at] riken.jp

Organization

Ultra-high-field NMR Magnet Development Team
Yoshinori Yanagisawa (Ph.D.)

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