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Multipole-multimode Floquet theory of rotational resonance width experiments: 13C-13C distance measurements in uniformly labeled solids

Ramachandran, R., Lewandowski, J. R., van der Wel, P. C. A. & Griffin, R. G., 7-Jun-2006, In : The Journal of Chemical Physics. 124, 21, p. 214107-1 - 214107-13 13 p., 214107.

Research output: Contribution to journalArticleAcademicpeer-review

A formal description of zero-quantum (ZQ) NMR processes using multipole-multimode Floquet theory is proposed for studying polarization transfer in magic angle spinning experiments. Specifically, we investigate the factors affecting the accuracy and precision of 13C-13C distance measurements that are based on ZQ-magnetization exchange processes in rotational resonance width experiments. With suitable examples drawn from measurements in N-acetyl-[U-13C,15N]-L-valine-L-leucine, we substantiate our approach and propose methods for improving the accuracy and reliability of such 13C-13C distance measurements in uniformly 13C, 15N-labeled solids. In addition, the theoretical model presented in this article provides a more general framework for describing relaxation phenomena involving multiple decay rate constants in zero-quantum processes.
Original languageEnglish
Article number214107
Pages (from-to)214107-1 - 214107-13
Number of pages13
JournalThe Journal of Chemical Physics
Volume124
Issue number21
Publication statusPublished - 7-Jun-2006
Externally publishedYes

    Keywords

  • NUCLEAR-MAGNETIC-RESONANCE, ANGLE-SPINNING NMR, STATE NMR, INTERNUCLEAR DISTANCES, QUANTUM RELAXATION, C-13, BACTERIORHODOPSIN, SPECTRA, CONFIGURATION, CONFORMATION

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