ArticleJournal of magnetic resonance (San Diego, Calif. : 1997)2014
Performance of RINEPT is amplified by dipolar couplings under ultrafast MAS conditions.
Article in Journal of magnetic resonance (San Diego, Calif. : 1997), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Transient NOE driven signal enhancement of INADEQUATE solid-state NMR spectroscopy for the structural analysis of rubbers.Magnetic resonance letters · 2024Article
- Ultrafast Magic Angle Spinning Solid-State NMR Spectroscopy: Advances in Methodology and Applications.Chemical reviews · 2023Review
- Proton-Based Ultrafast Magic Angle Spinning Solid-State NMR Spectroscopy.Accounts of chemical research · 2017Review
- Hybridizing cross-polarization with NOE or refocused-INEPT enhances the sensitivity of MAS NMR spectroscopy.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2016Article
- Constant-time 2D and 3D through-bond correlation NMR spectroscopy of solids under 60 kHz MAS.The Journal of chemical physics · 2016Article
- Proton-detected 3D (1)H/(13)C/(1)H correlation experiment for structural analysis in rigid solids under ultrafast-MAS above 60 kHz.The Journal of chemical physics · 2015Article
- Selective excitation enables assignment of proton resonances and (1)H-(1)H distance measurement in ultrafast magic angle spinning solid state NMR spectroscopy.The Journal of chemical physics · 2015Article
- Proton-Detected Solid-State NMR Spectroscopy of Bone with Ultrafast Magic Angle Spinning.Scientific reports · 2015Article
- A Novel High-Resolution and Sensitivity-Enhanced Three-Dimensional Solid-State NMR Experiment Under Ultrafast Magic Angle Spinning Conditions.Scientific reports · 2015Article
- Phase cycling schemes for finite-pulse-RFDR MAS solid state NMR experiments.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2015Article
- A cross-polarization based rotating-frame separated-local-field NMR experiment under ultrafast MAS conditions.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2015Article
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2 authors.
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Abstract
The refocused insensitive nuclei enhanced by polarization transfer (RINEPT) technique is commonly used for heteronuclear polarization transfer in solution and solid-state NMR spectroscopy. Suppression of dipolar couplings, either by fast molecular motions in solution or by a combination of MAS and multiple pulse sequences in solids, enables the polarization transfer via scalar couplings. However, the presence of unsuppressed dipolar couplings could alter the functioning of RINEPT, particularly under fast/ultrafast MAS conditions. In this study, we demonstrate, through experiments on rigid solids complemented by numerical simulations, that the polarization transfer efficiency of RINEPT is dependent on the MAS frequency. In addition, we show that heteronuclear dipolar coupling is the dominant factor in the polarization transfer, which is strengthened by the presence of (1)H-(1)H dipolar couplings. In fact, the simultaneous presence of homonuclear and heteronuclear dipolar couplings is the premise for the polarization transfer by RINEPT, whereas the scalar coupling plays an insignificant role under ultrafast MAS conditions on rigid solids. Our results additionally reveal that the polarization transfer efficiency decreases with the increasing duration of RF pulses used in the RINEPT sequence.
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