PMID: 9178420Mar 1, 1997Paper

Multiple-pulse assisted line-narrowing by fast magic-angle spinning

Solid State Nuclear Magnetic Resonance
S Hafner, H W Spiess

Abstract

Combined rotation and multiple-pulse experiments (CRAMPS) are reported that are performed under the conditions of fast magic-angle spinning. Quasi-static conditions, as are required for CRAMPS experiments, can be fulfilled approximately also for fast sample spinning conditions when windowless or semiwindowless sequences are applied. In order to allow direct detection for these cases also, appropriately timed detection windows are introduced without loss of resolution. In contrast to conventional CRAMPS experiments, high-speed MAS was found to play an important role also in the averaging of residual dipolar contributions. The resolution achieved in these first experiments is comparable to that of conventional CRAMPS experiments and the demands with respect to spectrometer hardware and tuning are much lower.

Citations

Oct 12, 1999·Biopolymers·B BechingerS Schinzel
Feb 20, 2007·Analytical and Bioanalytical Chemistry·Pellegrino Conte, Alessandro Piccolo
Jun 27, 2000·Solid State Nuclear Magnetic Resonance·P HartmannC Jäger
Jun 11, 2005·The Journal of Chemical Physics·Ramesh Ramachandran, Robert G Griffin
Jan 15, 2009·The Journal of Chemical Physics·Olivier LafonJean-Paul Amoureux
Jul 19, 2011·Journal of Magnetic Resonance·Elodie SalagerMalcolm H Levitt
Dec 23, 2008·Solid State Nuclear Magnetic Resonance·Jean-Paul AmoureuxFeng Deng
Dec 1, 2000·Journal of Magnetic Resonance·C Filip, S Hafner
Jul 9, 1998·Journal of Magnetic Resonance·I SchnellH W Spiess
Oct 30, 2003·Journal of the American Chemical Society·Anne Lesage, Anja Böckmann

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