Error compensation without a time penalty: robust spin-lock-induced crossing in solution NMR
Error compensation without a time penalty: robust spin-lock-induced crossing in solution NMR
A modification of the widely used spin-lock-induced crossing (SLIC) procedure is proposed for the solution nuclear magnetic resonance (NMR) of strongly coupled nuclear spin systems, including singlet NMR and parahydrogen-enhanced hyperpolarized NMR experiments. The compensated-SLIC (cSLIC) scheme uses a repetitive sequence where the repeated element employs two different radio-frequency field amplitudes. Effective compensation for deviations in the radio-frequency field amplitude is achieved without increasing the overall duration of the SLIC sequence. The advantageous properties of cSLIC are demonstrated by numerical simulations and representative experiments.
4161-4166
Sabba, Mohamed
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Bengs, Christian
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Heramun, Urvashi D.
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Levitt, Malcolm H.
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9 April 2026
Sabba, Mohamed
bef5e5e8-18b2-43d9-8969-4a9b25bb8691
Bengs, Christian
cd3282d0-27ad-444f-bcb4-70eeab0029b9
Heramun, Urvashi D.
d528559c-9eb2-4b84-aa03-6b61fedfdaba
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3
Sabba, Mohamed, Bengs, Christian, Heramun, Urvashi D. and Levitt, Malcolm H.
(2026)
Error compensation without a time penalty: robust spin-lock-induced crossing in solution NMR.
Journal of Physical Chemistry Letters, 17 (14), .
(doi:10.1021/acs.jpclett.6c00524).
Abstract
A modification of the widely used spin-lock-induced crossing (SLIC) procedure is proposed for the solution nuclear magnetic resonance (NMR) of strongly coupled nuclear spin systems, including singlet NMR and parahydrogen-enhanced hyperpolarized NMR experiments. The compensated-SLIC (cSLIC) scheme uses a repetitive sequence where the repeated element employs two different radio-frequency field amplitudes. Effective compensation for deviations in the radio-frequency field amplitude is achieved without increasing the overall duration of the SLIC sequence. The advantageous properties of cSLIC are demonstrated by numerical simulations and representative experiments.
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error-compensation-without-a-time-penalty-robust-spin-lock-induced-crossing-in-solution-nmr
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Accepted/In Press date: 16 March 2026
e-pub ahead of print date: 23 March 2026
Published date: 9 April 2026
Identifiers
Local EPrints ID: 512596
URI: http://eprints.soton.ac.uk/id/eprint/512596
ISSN: 1948-7185
PURE UUID: e64aae41-16dd-4fdf-b247-4a0630e5c4c1
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Date deposited: 09 Jul 2026 16:56
Last modified: 12 Aug 2026 04:05
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Author:
Mohamed Sabba
Author:
Christian Bengs
Author:
Urvashi D. Heramun
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