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Experimental Aspects of Multidimensional Solid-State NMR Correlation Spectroscopy

✍ Scribed by A. Ramamoorthy; C.H. Wu; S.J. Opella

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 127 KB
Volume: 140
Category: Article
ISSN: 1090-7807
DOI: 10.1006/jmre.1999.1827

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✦ Synopsis

The experimental parameters critical for the implementation of multidimensional solid-state NMR experiments that incorporate heteronuclear spin exchange at the magic angle are discussed. This family of experiments is exemplified by the three-dimensional experiment that correlates the 1 H chemical shift, 1 H-15 N dipolar coupling, and 15 N chemical shift frequencies. The broadening effects of the homonuclear 1 H-1 H dipolar couplings are suppressed using flip-flop (phase-and frequency-switched) Lee-Goldburg irradiations in both the 1 H chemical shift and the 1 H-15 N dipolar coupling dimensions. The experiments are illustrated using the 1 H and 15 N chemical shift and dipolar couplings in a single crystal of 15 N-acetylleucine.

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