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. 2009 Aug;199(2):238-41.
doi: 10.1016/j.jmr.2009.04.015. Epub 2009 May 3.

Low-power Decoupling at High Spinning Frequencies in High Static Fields

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Low-power Decoupling at High Spinning Frequencies in High Static Fields

Markus Weingarth et al. J Magn Reson. .

Abstract

We demonstrate that heteronuclear decoupling using a Phase-Inverted Supercycled Sequence for Attenuation of Rotary ResOnance (PISSARRO) is very efficient at high spinning frequencies (nu(rot)=60kHz) and high magnetic fields (900MHz for protons at 21T) even with moderate radio-frequency decoupling amplitudes (nu(1)(I)=15kHz), despite the wide range of isotropic chemical shifts of the protons and the increased effect of their chemical shift anisotropy.

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