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Analytical theory of gamma-encoded double-quantum recoupling sequences in solid-state nuclear magnetic resonance

Pileio, G., Concistre, M., McLean, N., Gansmulller, A., Brown, R.C.D. and Levitt, M.H. (2007) Analytical theory of gamma-encoded double-quantum recoupling sequences in solid-state nuclear magnetic resonance Journal of Magnetic Resonance, 186, (1), pp. 65-74. (doi:10.1016/j.jmr.2007.01.009).

Record type: Article


Many important double-quantum recoupling techniques in solid-state NMR are classified as being ?-encoded. This means that the phase of the double-quantum effective Hamiltonian, but not its amplitude, depends on the third Euler angle defining the orientation of the molecular spin system in the frame of the magic-angle-spinning rotor. In this paper, we provide closed analytical solutions for the dependence of the powder-average double-quantum-filtered signal on the recoupling times, within the average Hamiltonian approximation for ?-encoded pulse sequences. The validity of the analytical solutions is tested by numerical simulations. The internuclear distance in a 13C2-labelled retinal is estimated by fitting the analytical curves to experimental double-quantum data.

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Published date: 2007
Keywords: angle-spinning nmr, symmetry, fresnel, polarization transfer, homonuclear rotary resonance, cross-polarization, magic-angle-spinning, symmetry-based recoupling, proton-enhanced nmr, principles, solid-state nmr, recoupling, pulse sequence, rotating solids, spectroscopy, dilute spins


Local EPrints ID: 54360
PURE UUID: 680b4649-dafa-49d2-8d18-1c370fc41f41
ORCID for G. Pileio: ORCID iD
ORCID for R.C.D. Brown: ORCID iD

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Date deposited: 31 Jul 2008
Last modified: 17 Jul 2017 14:35

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Author: G. Pileio ORCID iD
Author: M. Concistre
Author: N. McLean
Author: A. Gansmulller
Author: R.C.D. Brown ORCID iD
Author: M.H. Levitt

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