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Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields

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Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields. / Odedra, Smita; Wimperis, Stephen.
In: Journal of Magnetic Resonance, Vol. 231, 06.2013, p. 95-99.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Odedra, S & Wimperis, S 2013, 'Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields', Journal of Magnetic Resonance, vol. 231, pp. 95-99. https://doi.org/10.1016/j.jmr.2013.04.002

APA

Odedra, S., & Wimperis, S. (2013). Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields. Journal of Magnetic Resonance, 231, 95-99. https://doi.org/10.1016/j.jmr.2013.04.002

Vancouver

Odedra S, Wimperis S. Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields. Journal of Magnetic Resonance. 2013 Jun;231:95-99. Epub 2013 Apr 11. doi: 10.1016/j.jmr.2013.04.002

Author

Odedra, Smita ; Wimperis, Stephen. / Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields. In: Journal of Magnetic Resonance. 2013 ; Vol. 231. pp. 95-99.

Bibtex

@article{a3b185f38fca4d35aea32566f781f701,
title = "Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields",
abstract = "Several widely used methods for suppressing the {"}background{"} signal in H-1 magic angle spinning (MAS) NMR spectroscopy are based on the assumption of a significant difference between the B-1 radiofrequency field experienced by the sample (within the MAS rotor) and that felt by static components of the probehead (where the background signal is believed to originate). In this work, a two-dimensional correlation experiment employing inhomogeneous B-0 and B-1 fields is used to image the B-1 distribution in a MAS NMR probehead. The experiment, which can be performed on any spectrometer, allows the distribution of the B-1 field to be measured and also correlated with the spatial location of the NMR signal within the probehead. The method can also readily be combined with various {"}depth pulse{"} techniques for background suppression, allowing their performances to be more rigorously evaluated. (C) 2013 Elsevier Inc. All rights reserved.",
keywords = "H-1 MAS NMR, Two-dimensional nutation spectroscopy, Background suppression, Depth pulses, SUPPRESSION, SPECTROSCOPY, SPECTRA, PULSE",
author = "Smita Odedra and Stephen Wimperis",
year = "2013",
month = jun,
doi = "10.1016/j.jmr.2013.04.002",
language = "English",
volume = "231",
pages = "95--99",
journal = "Journal of Magnetic Resonance",
issn = "1090-7807",
publisher = "Academic Press Inc.",

}

RIS

TY - JOUR

T1 - Imaging of the B-1 distribution and background signal in a MAS NMR probehead using inhomogeneous B-0 and B-1 fields

AU - Odedra, Smita

AU - Wimperis, Stephen

PY - 2013/6

Y1 - 2013/6

N2 - Several widely used methods for suppressing the "background" signal in H-1 magic angle spinning (MAS) NMR spectroscopy are based on the assumption of a significant difference between the B-1 radiofrequency field experienced by the sample (within the MAS rotor) and that felt by static components of the probehead (where the background signal is believed to originate). In this work, a two-dimensional correlation experiment employing inhomogeneous B-0 and B-1 fields is used to image the B-1 distribution in a MAS NMR probehead. The experiment, which can be performed on any spectrometer, allows the distribution of the B-1 field to be measured and also correlated with the spatial location of the NMR signal within the probehead. The method can also readily be combined with various "depth pulse" techniques for background suppression, allowing their performances to be more rigorously evaluated. (C) 2013 Elsevier Inc. All rights reserved.

AB - Several widely used methods for suppressing the "background" signal in H-1 magic angle spinning (MAS) NMR spectroscopy are based on the assumption of a significant difference between the B-1 radiofrequency field experienced by the sample (within the MAS rotor) and that felt by static components of the probehead (where the background signal is believed to originate). In this work, a two-dimensional correlation experiment employing inhomogeneous B-0 and B-1 fields is used to image the B-1 distribution in a MAS NMR probehead. The experiment, which can be performed on any spectrometer, allows the distribution of the B-1 field to be measured and also correlated with the spatial location of the NMR signal within the probehead. The method can also readily be combined with various "depth pulse" techniques for background suppression, allowing their performances to be more rigorously evaluated. (C) 2013 Elsevier Inc. All rights reserved.

KW - H-1 MAS NMR

KW - Two-dimensional nutation spectroscopy

KW - Background suppression

KW - Depth pulses

KW - SUPPRESSION

KW - SPECTROSCOPY

KW - SPECTRA

KW - PULSE

U2 - 10.1016/j.jmr.2013.04.002

DO - 10.1016/j.jmr.2013.04.002

M3 - Journal article

VL - 231

SP - 95

EP - 99

JO - Journal of Magnetic Resonance

JF - Journal of Magnetic Resonance

SN - 1090-7807

ER -