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Multiple-π-Pulse Sequences in Biological Solid-State NMR. Enhancement of Sensitivity by Permutation of the Phases

✍ Scribed by Yan Li; Jeremy N.S. Evans

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 100 KB
Volume: 111
Category: Article
ISSN: 1064-1866
DOI: 10.1006/jmrb.1996.0097

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✦ Synopsis

Biological solid-state NMR has been revolutionized in the In the approximation in which the pulse duration is neglected, the state of the spin system at time T can be written past few years through the introduction of methods for the measurement of internuclear distances. These methods rely as on the reintroduction of the dipolar interaction under magicangle spinning (MAS) conditions. Examples of this are the

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✍ Pascal P. Man 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 393 KB

We propose a new method for the determination of the quadrupolar coupling constant e'qQ/h of a spin I= 3/2 in powdered samples. It is suitable for characterizing a nucleus with a featureless central transition line shape where it is difkult to extract the value of e\*qQ/h from the spectrum. The puls