Elimination of Zero-Quantum Interference in Two-Dimensional NMR Spectra

The simultaneous application of a swept‐frequency pulse and a gradient pulse Gf enables z‐magnetization to be distinguished from zero‐quantum coherence (see picture). This new and highly effective method enables the elimination of strong interference caused by zero‐quantum coherence, which is often...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2003-08, Vol.42 (33), p.3938-3941
Main Authors: Thrippleton, Michael J., Keeler, James
Format: Article
Language:English
Subjects:
analytical methods
coherence transfer pathway selection
NMR spectroscopy
NMR theory
zero-quantum coherence
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Summary:The simultaneous application of a swept‐frequency pulse and a gradient pulse Gf enables z‐magnetization to be distinguished from zero‐quantum coherence (see picture). This new and highly effective method enables the elimination of strong interference caused by zero‐quantum coherence, which is often present in NOESY, TOCSY, and many other types of NMR spectra obtained by traditional methods of signal selection, and can be readily implemented on any modern NMR spectrometer.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200351947