Static Solid Relaxation Ordered Spectroscopy: SS-ROSY.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES(2019)
摘要
A two-dimensional pulse sequence is introduced for correlating nuclear magnetic resonance anisotropic chemical shifts to a relaxation time (e.g., T-1) in solids under static conditions. The sequence begins with a preparatory stage for measuring relaxation times, and is followed by a multiple pulse sequence for homonuclear dipolar decoupling. Data analysis involves the use of Fourier transform, followed by a one-dimensional inverse Laplace transform for each frequency index. Experimental results acquired on solid samples demonstrate the general approach, and additional variations involving heteronuclear decoupling and magic angle spinning are discussed.
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关键词
inverse Laplace transform,multiple pulse NMR,correlation spectroscopy
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