Theory and applications of supercycled symmetry-based recoupling sequences in solid-state nuclear magnetic resonance.

Full Abstract

We present the theoretical principles of supercycled symmetry-based recoupling sequences in solid-state magic-angle-spinning NMR. We discuss the construction procedure of the SR26 pulse sequence, which is a particularly robust sequence for double-quantum homonuclear dipole-dipole recoupling. The supercycle removes destructive higher-order average Hamiltonian terms and renders the sequence robust over long time intervals. We demonstrate applications of the SR26 sequence to double-quantum spectroscopy, homonuclear spin counting, and determination of the relative orientations of chemical shift anisotropy tensors.

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Author information

Author/s: Kristiansen, Per Eugen (PE); Carravetta, Marina (M); van Beek, Jacco D (JD); Lai, Wai Cheu (WC); Levitt, Malcolm H (MH);

Affiliation: Department of Molecular Biosciences, University of Oslo, P.O. Box 1041-Blindern, 0316 Oslo, Norway.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: The Journal of chemical physics (J Chem Phys), published in United States. (Language: eng)

Reference: 2006-Jun; vol 124 (issue 23) : pp 234510

Dates: Created 2006/07/06; Completed 2007/08/02;

PMID: 16821932, status: PubMed-not-MEDLINE (last retrieval date: 12/26/2008)

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