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Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases. / Kharkov, B. B.; Chizhik, V. I.; Dvinskikh, S. V.

In: Journal of Magnetic Resonance, Vol. 223, 10.2012, p. 73-79.

Research output: Contribution to journal › Article › peer-review

Harvard

Kharkov, BB, Chizhik, VI & Dvinskikh, SV 2012, 'Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases', Journal of Magnetic Resonance, vol. 223, pp. 73-79. https://doi.org/10.1016/j.jmr.2012.07.012, https://doi.org/DOI: 10.1016/j.jmr.2012.07.012

APA

Kharkov, B. B., Chizhik, V. I., & Dvinskikh, S. V. (2012). Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases. Journal of Magnetic Resonance, 223, 73-79. https://doi.org/10.1016/j.jmr.2012.07.012, https://doi.org/DOI: 10.1016/j.jmr.2012.07.012

Vancouver

Kharkov BB, Chizhik VI, Dvinskikh SV. Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases. Journal of Magnetic Resonance. 2012 Oct;223:73-79. https://doi.org/10.1016/j.jmr.2012.07.012, https://doi.org/DOI: 10.1016/j.jmr.2012.07.012

Author

Kharkov, B. B. ; Chizhik, V. I. ; Dvinskikh, S. V. / Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases. In: Journal of Magnetic Resonance. 2012 ; Vol. 223. pp. 73-79.

BibTeX

@article{9794c75f0839465c9e04a466ac0c2ad0,
title = "Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases",
abstract = "Efficiency of the proton detected (encoded) 1H- 13C- 14N local field spectroscopy technique at low radiofrequency power is examined when applied to concentrated ionic lyotropic mesophases exhibiting heteronuclear and homonuclear dipolar couplings in kHz range. We demonstrate that highly resolved heteronuclear dipolar spectra can be obtained with limited radiofrequency power corresponding to decoupling B 1 field of 20 kHz and with superior spectral resolution and sensitivity provided by standard solution state probes. To maintain sufficiently large spectral window in indirect dimension, power level alternation scheme for homonuclear decoupling was introduced. In anisotropic mesophases of an ionic surfactant, pair-wise coupling constants in the three-spin system 1H- 13C- 14N were accurately determined. Relative signs of heteronuclear dipolar couplings to nitrogen were obtained employing frequency selective decoupling.",
keywords = "Heteronuclear dipolar coupling, Liquid crystal, PDLF, Separated local field spectroscopy",
author = "Kharkov, {B. B.} and Chizhik, {V. I.} and Dvinskikh, {S. V.}",
note = "Funding Information: This work was supported by the Swedish Research Council VR and by Russian Foundation for Basic Research , Project No. 10-03-01043а .",
year = "2012",
month = oct,
doi = "10.1016/j.jmr.2012.07.012",
language = "English",
volume = "223",
pages = "73--79",
journal = "Journal of Magnetic Resonance",
issn = "1090-7807",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Low rf power high resolution 1H- 13C- 14N separated local field spectroscopy in lyotropic mesophases

AU - Kharkov, B. B.

AU - Chizhik, V. I.

AU - Dvinskikh, S. V.

N1 - Funding Information: This work was supported by the Swedish Research Council VR and by Russian Foundation for Basic Research , Project No. 10-03-01043а .

PY - 2012/10

Y1 - 2012/10

N2 - Efficiency of the proton detected (encoded) 1H- 13C- 14N local field spectroscopy technique at low radiofrequency power is examined when applied to concentrated ionic lyotropic mesophases exhibiting heteronuclear and homonuclear dipolar couplings in kHz range. We demonstrate that highly resolved heteronuclear dipolar spectra can be obtained with limited radiofrequency power corresponding to decoupling B 1 field of 20 kHz and with superior spectral resolution and sensitivity provided by standard solution state probes. To maintain sufficiently large spectral window in indirect dimension, power level alternation scheme for homonuclear decoupling was introduced. In anisotropic mesophases of an ionic surfactant, pair-wise coupling constants in the three-spin system 1H- 13C- 14N were accurately determined. Relative signs of heteronuclear dipolar couplings to nitrogen were obtained employing frequency selective decoupling.

AB - Efficiency of the proton detected (encoded) 1H- 13C- 14N local field spectroscopy technique at low radiofrequency power is examined when applied to concentrated ionic lyotropic mesophases exhibiting heteronuclear and homonuclear dipolar couplings in kHz range. We demonstrate that highly resolved heteronuclear dipolar spectra can be obtained with limited radiofrequency power corresponding to decoupling B 1 field of 20 kHz and with superior spectral resolution and sensitivity provided by standard solution state probes. To maintain sufficiently large spectral window in indirect dimension, power level alternation scheme for homonuclear decoupling was introduced. In anisotropic mesophases of an ionic surfactant, pair-wise coupling constants in the three-spin system 1H- 13C- 14N were accurately determined. Relative signs of heteronuclear dipolar couplings to nitrogen were obtained employing frequency selective decoupling.

KW - Heteronuclear dipolar coupling

KW - Liquid crystal

KW - PDLF

KW - Separated local field spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=84865824129&partnerID=8YFLogxK

U2 - 10.1016/j.jmr.2012.07.012

DO - 10.1016/j.jmr.2012.07.012

M3 - Article

VL - 223

SP - 73

EP - 79

JO - Journal of Magnetic Resonance

JF - Journal of Magnetic Resonance

SN - 1090-7807

ER -

ID: 5437248