To advance static solid-state NMR with hyperpolarized nuclear spins, a system has been developed enabling dynamic nuclear polarization (DNP) using electron spins in the photoexcited triplet state with -band microwave apparatus, followed by static solid-state nuclear magnetic resonance (NMR) experiments using the polarized nuclear-spin system with a goniometer. In order to perform the DNP and NMR procedures in different magnetic fields, the DNP system and the NMR system are spatially separated, between which the sample can be shuttled while its orientation is controlled in a reproducible fashion. We demonstrate that the system developed in this work is operational for solid-state NMR with hyperpolarized nuclear-spin systems in static organic materials, and also discuss the application of our system.
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April 2009
Research Article|
April 28 2009
Magnetic-field cycling instrumentation for dynamic nuclear polarization-nuclear magnetic resonance using photoexcited triplets Available to Purchase
Akinori Kagawa;
Akinori Kagawa
a)
1Graduate School of Engineering Science,
Osaka University
, 560-8531 Toyonaka, Japan
2CREST,
Japan Science and Technology Agency
, Kawaguchi-shi, 332-0012 Saitama, Japan
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Makoto Negoro;
Makoto Negoro
1Graduate School of Engineering Science,
Osaka University
, 560-8531 Toyonaka, Japan
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Kazuyuki Takeda;
Kazuyuki Takeda
3Graduate School of Science,
Kyoto University
, 606-8502 Kyoto, Japan
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Masahiro Kitagawa
Masahiro Kitagawa
1Graduate School of Engineering Science,
Osaka University
, 560-8531 Toyonaka, Japan
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Akinori Kagawa
1,2,a)
Makoto Negoro
1
Kazuyuki Takeda
3
Masahiro Kitagawa
1
1Graduate School of Engineering Science,
Osaka University
, 560-8531 Toyonaka, Japan
2CREST,
Japan Science and Technology Agency
, Kawaguchi-shi, 332-0012 Saitama, Japan
3Graduate School of Science,
Kyoto University
, 606-8502 Kyoto, Japan
a)
Electronic mail: [email protected].
Rev. Sci. Instrum. 80, 044705 (2009)
Article history
Received:
March 28 2008
Accepted:
March 31 2009
Citation
Akinori Kagawa, Makoto Negoro, Kazuyuki Takeda, Masahiro Kitagawa; Magnetic-field cycling instrumentation for dynamic nuclear polarization-nuclear magnetic resonance using photoexcited triplets. Rev. Sci. Instrum. 1 April 2009; 80 (4): 044705. https://doi.org/10.1063/1.3123346
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