Centers & Labs

RIKEN SPring-8 Center

NMR Development Group

Group Director: Yoshitaka Ishii (Ph.D.)
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 Field

Interdisciplinary science and engineering

Related Research Fields

Mathematical and physical sciences / Chemistry / Engineering / Biological Sciences / Biology / Medicine, dentistry, and pharmacy

Basic Chemistry / Electrical and electronic engineering


  • 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)


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]

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