Dynamic-angle spinning of quadrupolar nuclei

K. T. Mueller; B. Q. Sun; G. C. Chingas; J. W. Zwanziger; T. Terao; A. Pines

doi:10.1016/j.jmr.2011.08.034

Dynamic-angle spinning of quadrupolar nuclei

K. T. Mueller, B. Q. Sun, G. C. Chingas, J. W. Zwanziger, T. Terao, A. Pines

Chemistry

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3 Scopus citations

Abstract

In dynamic-angle spinning (DAS), a sample spins around an axis inclined at an angle [Formula presented] with respect to the magnetic field such that the averages of [Formula presented] are zero. The simplest case is where [Formula presented] assumes two discrete values [Formula presented] and [Formula presented] (complementary DAS angles) such that the averages of [Formula presented] and [Formula presented] are zero, thereby removing second-order quadrupolar (and dipolar) broadening. Examples of DAS complementary angles are [Formula presented] and [Formula presented]. Experimental details for DAS experiments are provided and applications to sodium-23 and oxygen-17 NMR illustrate the enhanced resolution achieved by removing the second-order broadening inherent in magic-angle spinning.

Original language	English (US)
Pages (from-to)	298-315
Number of pages	18
Journal	Journal of Magnetic Resonance
Volume	213
Issue number	2
DOIs	https://doi.org/10.1016/j.jmr.2011.08.034
State	Published - Dec 2011

All Science Journal Classification (ASJC) codes

Biophysics
Biochemistry
Nuclear and High Energy Physics
Condensed Matter Physics

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10.1016/j.jmr.2011.08.034

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title = "Dynamic-angle spinning of quadrupolar nuclei",

abstract = "In dynamic-angle spinning (DAS), a sample spins around an axis inclined at an angle [Formula presented] with respect to the magnetic field such that the averages of [Formula presented] are zero. The simplest case is where [Formula presented] assumes two discrete values [Formula presented] and [Formula presented] (complementary DAS angles) such that the averages of [Formula presented] and [Formula presented] are zero, thereby removing second-order quadrupolar (and dipolar) broadening. Examples of DAS complementary angles are [Formula presented] and [Formula presented]. Experimental details for DAS experiments are provided and applications to sodium-23 and oxygen-17 NMR illustrate the enhanced resolution achieved by removing the second-order broadening inherent in magic-angle spinning.",

author = "Mueller, {K. T.} and Sun, {B. Q.} and Chingas, {G. C.} and Zwanziger, {J. W.} and T. Terao and A. Pines",

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T1 - Dynamic-angle spinning of quadrupolar nuclei

AU - Mueller, K. T.

AU - Sun, B. Q.

AU - Chingas, G. C.

AU - Zwanziger, J. W.

AU - Terao, T.

AU - Pines, A.

PY - 2011/12

Y1 - 2011/12

N2 - In dynamic-angle spinning (DAS), a sample spins around an axis inclined at an angle [Formula presented] with respect to the magnetic field such that the averages of [Formula presented] are zero. The simplest case is where [Formula presented] assumes two discrete values [Formula presented] and [Formula presented] (complementary DAS angles) such that the averages of [Formula presented] and [Formula presented] are zero, thereby removing second-order quadrupolar (and dipolar) broadening. Examples of DAS complementary angles are [Formula presented] and [Formula presented]. Experimental details for DAS experiments are provided and applications to sodium-23 and oxygen-17 NMR illustrate the enhanced resolution achieved by removing the second-order broadening inherent in magic-angle spinning.

AB - In dynamic-angle spinning (DAS), a sample spins around an axis inclined at an angle [Formula presented] with respect to the magnetic field such that the averages of [Formula presented] are zero. The simplest case is where [Formula presented] assumes two discrete values [Formula presented] and [Formula presented] (complementary DAS angles) such that the averages of [Formula presented] and [Formula presented] are zero, thereby removing second-order quadrupolar (and dipolar) broadening. Examples of DAS complementary angles are [Formula presented] and [Formula presented]. Experimental details for DAS experiments are provided and applications to sodium-23 and oxygen-17 NMR illustrate the enhanced resolution achieved by removing the second-order broadening inherent in magic-angle spinning.

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Dynamic-angle spinning of quadrupolar nuclei

Abstract

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