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Default Spin-echo based diagonal peak suppression in solid-state MAS NMR homonuclear chemical shift correlation spectra.

Spin-echo based diagonal peak suppression in solid-state MAS NMR homonuclear chemical shift correlation spectra.

Related Articles Spin-echo based diagonal peak suppression in solid-state MAS NMR homonuclear chemical shift correlation spectra.

J Magn Reson. 2017 Dec 28;287:91-98

Authors: Wang K, Zhang Z, Ding X, Tian F, Huang Y, Chen Z, Fu R

Abstract
The feasibility of using the spin-echo based diagonal peak suppression method in solid-state MAS NMR homonuclear chemical shift correlation experiments is demonstrated. A complete phase cycling is designed in such a way that in the indirect dimension only the spin diffused signals are evolved, while all signals not involved in polarization transfer are refocused for cancellation. A data processing procedure is further introduced to reconstruct this acquired spectrum into a conventional two-dimensional homonuclear chemical shift correlation spectrum. A uniformly 13C, 15N labeled Fmoc-valine sample and the transmembrane domain of a human protein, LR11 (sorLA), in native Escherichia coli membranes have been used to illustrate the capability of the proposed method in comparison with standard 13C-13C chemical shift correlation experiments.


PMID: 29324246 [PubMed - as supplied by publisher]



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