Enhanced sensitivity in RIACT/MQ-MAS NMR experiments using rotor assisted population transfer

Journal of Magnetic Resonance
Hyung-Tae KwakL Emsley

Abstract

The rotor assisted population transfer (RAPT) sequence is used to enhance the sensitivity of the RIACT(II) experiment for spin-3/2 quadrupolar nuclei. A detailed theoretical analysis of the polarizations that contribute to different types of MQ-MAS experiments is provided. In particular, two polarization pathways are distinguished for the creation of triple-quantum coherence. The existence of these pathways is experimentally demonstrated by comparing the sensitivities of different sequences with and without RAPT preparation.

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Citations

Jul 30, 2010·Progress in Nuclear Magnetic Resonance Spectroscopy·Redouane HajjarPascal P Man
Aug 12, 2009·Journal of Magnetic Resonance·Nicole M TreasePhilip J Grandinetti
Dec 17, 2008·Journal of Magnetic Resonance·David Rovnyak, Paul E Kennedy
Sep 1, 2007·Journal of Magnetic Resonance·Geoffrey M Bowers, R James Kirkpatrick
Jan 16, 2007·Journal of Magnetic Resonance·Krishna K DeyPhilip J Grandinetti
Oct 10, 2006·Journal of Magnetic Resonance·J P AmoureuxM Pruski
Nov 19, 2005·Solid State Nuclear Magnetic Resonance·Subramanian PrasadHerbert Zimmermann
Feb 16, 2002·Journal of Magnetic Resonance·Kwang Hun LimAlexander Pines
Feb 16, 2002·Journal of Magnetic Resonance·Amir Goldbourt, Shimon Vega
Jan 22, 2010·Journal of Magnetic Resonance·C Vinod ChandranThomas Bräuniger
Sep 8, 2010·Magnetic Resonance in Chemistry : MRC·Anne SoleilhavoupThibault Charpentier
Jul 31, 2010·Angewandte Chemie·Jianfeng ZhuGang Wu

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