Zobrazeno 1 - 5 of 5 pro vyhledávání: '"Takahiro Anai"'
1
Helium-cooling and -spinning dynamic nuclear polarization for sensitivity-enhanced solid-state NMR at 14T and 30K
Autor: M. Toda, Ryosuke Ikeda, Yoh Matsuki, Isamu Ogawa, Shinji Nakamura, Toshitaka Idehara, Keisuke Ueda, Toshimichi Fujiwara, Takahiro Anai
Publikováno v: Journal of Magnetic Resonance. 225:1-9
We describe a (1)H polarization enhancement via dynamic nuclear polarization (DNP) at very low sample temperature T≈30 K under magic-angle spinning (MAS) conditions for sensitivity-enhanced solid-state NMR measurement. Experiments were conducted at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a340190ead21199e619582616dfe950
https://doi.org/10.1016/j.jmr.2012.09.008
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2
Application of Continuously Frequency-Tunable 0.4 THz Gyrotron to Dynamic Nuclear Polarization for 600 MHz Solid-State NMR
Autor: Kosuke Kosuga, Keisuke Ueda, Takahiro Anai, Toshimichi Fujiwara, M. Toda, Ryosuke Ikeda, Yoh Matsuki, Shinji Nakamura, Toshitaka Idehara, Isamu Ogawa
Publikováno v: Journal of Infrared, Millimeter, and Terahertz Waves. 33:745-755
In this paper we present results that demonstrate the utility of a continuously frequency-tunable 0.4 THz-gyrotron in a dynamic nuclear polarization (DNP)-enhanced solid-state NMR (SSNMR) spectroscopy at one of the highest magnetic fields, B0 = 14.1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cfd2a3e214782b3c76f231df5b32817
https://doi.org/10.1007/s10762-012-9890-1
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3
Excitation of multiple regions by multiple sets of direct digital synthesizers and sequencers: An application to the CBCA(CO)NH experiment
Autor: Kenji Takasugi, Nobuaki Nemoto, Takahiro Anai, Katsuo Asakura
Publikováno v: Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering. :18-26
We have developed a new method to excite multiple regions of a single nucleus by implementing multiple direct digital synthesizers (DDS) and multiple sequencers. In multinuclear NMR experiments of labeled proteins, the 13C nucleus is often excited in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5812d685ea1b306dbe6b4e9d74d7c588
https://doi.org/10.1002/cmr.b.20032
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4
Application of continuously frequency-tunable sub-MMW gyrotron to dynamic nuclear polarization at 14.1 T and 30 K for NMR
Autor: Toshimichi Fujiwara, Takahiro Anai, Keisuke Ueda, Ryusuke Ikeda, Toshitaka Idehara, M. Toda, Shinji Nakamura, Yoh Matsuki, Kosuke Kosuga
Publikováno v: 2011 International Conference on Infrared, Millimeter, and Terahertz Waves.
A continuously frequency tunable gyrotron generated submillimeter wave at 395 GHz over a bandwidth of 1 GHz with a power of 10 W. This gyrotron enabled the optimization of high-field dynamic nuclear polarization for the sensitivity enhancement of sol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73e409d1a8549ae4dce4472750ce6135
https://doi.org/10.1109/irmmw-thz.2011.6104960
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