High-field 13C dynamic nuclear polarization with a radical mixture.
High-field 13C dynamic nuclear polarization with a radical mixture.
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DOI:
10.1021/ja312265x
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发表时间:
2013-02-27
影响因子:
15
通讯作者:
Griffin, Robert G.
中科院分区:
文献类型:
--
作者:
Michaelis, Vladimir K.;Smith, Albert A.;Corzilius, Bjoern;Haze, Olesya;Swager, Timothy M.;Griffin, Robert G.
We report direct 13C dynamic nuclear polarization at 5 T under magic angle spinning (MAS) at 82 K using a mixture of monoradicals with narrow EPR linewidths. We show the importance of optimizing both EPR linewidth and electron relaxation times by studying direct DNP of 13C using SA-BDPA and trityl radical, and achieve 13C enhancements above 600. This new approach may be better suited for dissolution DNP and for studies of 1H depleted biological and other non-protonated solids.
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影响因子:
15
作者:
Kiesewetter, Matthew K.;Corzilius, Bjoern;Smith, Albert A.;Griffin, Robert G.;Swager, Timothy M.
通讯作者:
Swager, Timothy M.
影响因子:
4.4
作者:
Hu, Kan-Nian;Bajaj, Vikram S.;Griffin, Robert G.
通讯作者:
Griffin, Robert G.
影响因子:
--
作者:
OVERHAUSER, AW
通讯作者:
OVERHAUSER, AW
DOI:
10.1073/pnas.0900908106
发表时间:
2009-06-09
影响因子:
11.1
作者:
Bajaj, Vikram S.;Mak-Jurkauskas, Melody L.;Griffin, Robert G.
通讯作者:
Griffin, Robert G.
影响因子:
16.6
作者:
Renault, Marie;Pawsey, Shane;Baldus, Marc
通讯作者:
Baldus, Marc