期刊
EUROPEAN PHYSICAL JOURNAL D
卷 12, 期 2, 页码 289-296出版社
SPRINGER-VERLAG
DOI: 10.1007/s100530070024
关键词
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In a dedicated experimental setup, we directly prepare liquid-state NMR samples containing laser-polarized xenon with nuclear polarization larger than 5% at pressures up to 4 bars. Coating of the NMR tube surface allows us to increase the self-relaxation time of xenon in the gaseous phase to approximately 4.5 hours. Using a modified SPINOE pulse sequence, we present the first direct detection of a regioselective proton signal enhancement of a molecule (alpha -cyclodextrin) dissolved in water resulting from cross-polarization between laser-polarized xenon and protons.
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