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Lesot P, Kazimierczuk K, Trébosc J, et al. Fast acquisition of multidimensional NMR spectra of solids and mesophases using alternative sampling methods. Magn Reson Chem. 2015;53(11):927-39doi: 10.1002/mrc.4290.
Lesot, P., Kazimierczuk, K., Trébosc, J., Amoureux, J. P., & Lafon, O. (2015). Fast acquisition of multidimensional NMR spectra of solids and mesophases using alternative sampling methods. Magnetic resonance in chemistry : MRC, 53(11), 927-39. https://doi.org/10.1002/mrc.4290
Lesot, Philippe, et al. "Fast acquisition of multidimensional NMR spectra of solids and mesophases using alternative sampling methods." Magnetic resonance in chemistry : MRC vol. 53,11 (2015): 927-39. doi: https://doi.org/10.1002/mrc.4290
Lesot P, Kazimierczuk K, Trébosc J, Amoureux JP, Lafon O. Fast acquisition of multidimensional NMR spectra of solids and mesophases using alternative sampling methods. Magn Reson Chem. 2015 Nov;53(11):927-39. doi: 10.1002/mrc.4290. Epub 2015 Aug 31. PMID: 26332109.
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Magn Reson Chem. 2015 Nov;53(11):927-39. doi: 10.1002/mrc.4290. Epub 2015 Aug 31.

Fast acquisition of multidimensional NMR spectra of solids and mesophases using alternative sampling methods.

Magnetic resonance in chemistry : MRC

Philippe Lesot, Krzysztof Kazimierczuk, Julien Trébosc, Jean-Paul Amoureux, Olivier Lafon

Affiliations

  1. RMN en Milieu Orienté, ICMMO, UMR-CNRS 8182, Université de Paris-Sud, Orsay, F-91405, Cedex Orsay, France.
  2. Centre of New Technologies, University of Warsaw, Banacha 2C, 02097, Warsaw, Poland.
  3. Univ. Lille Nord de France, Unité de Catalyse et de Chimie du Solide (UCCS), CNRS UMR 8181, Univ. Lille, 59652, Villeneuve d'Ascq, France.
  4. Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, Shanghai, 200062, China.

PMID: 26332109 DOI: 10.1002/mrc.4290

Abstract

Unique information about the atom-level structure and dynamics of solids and mesophases can be obtained by the use of multidimensional nuclear magnetic resonance (NMR) experiments. Nevertheless, the acquisition of these experiments often requires long acquisition times. We review here alternative sampling methods, which have been proposed to circumvent this issue in the case of solids and mesophases. Compared to the spectra of solutions, those of solids and mesophases present some specificities because they usually display lower signal-to-noise ratios, non-Lorentzian line shapes, lower spectral resolutions and wider spectral widths. We highlight herein the advantages and limitations of these alternative sampling methods. A first route to accelerate the acquisition time of multidimensional NMR spectra consists in the use of sparse sampling schemes, such as truncated, radial or random sampling ones. These sparsely sampled datasets are generally processed by reconstruction methods differing from the Discrete Fourier Transform (DFT). A host of non-DFT methods have been applied for solids and mesophases, including the G-matrix Fourier transform, the linear least-square procedures, the covariance transform, the maximum entropy and the compressed sensing. A second class of alternative sampling consists in departing from the Jeener paradigm for multidimensional NMR experiments. These non-Jeener methods include Hadamard spectroscopy as well as spatial or orientational encoding of the evolution frequencies. The increasing number of high field NMR magnets and the development of techniques to enhance NMR sensitivity will contribute to widen the use of these alternative sampling methods for the study of solids and mesophases in the coming years.

Copyright © 2015 John Wiley & Sons, Ltd.

Keywords: liquid crystal; multidimensional NMR; processing; sampling; solid

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