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J Magn Reson. 2002 Apr;155(2):300-6.

Cogwheel phase cycling.

Author information

  • 1Chemistry Department, Southampton University, England SO17 1BJ. Malcolm.Levitt@soton.ac.uk

Abstract

A new method for constructing phase cycles is described. The new schemes apply to experiments involving several consecutive coherence transfer steps. The radiofrequency phases of two or more irradiation blocks are incremented simultaneously, as opposed to the traditional "nested" scheme, in which the block phases are incremented independently. In many cases, the "cogwheel" phase cycles achieve the same selectivity as traditional phase cycles, using fewer steps. Significant time savings are achievable in a wide range of NMR experiments.

PMID:
12036341
DOI:
10.1006/jmre.2002.2520
[PubMed - indexed for MEDLINE]
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