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J Magn Reson. 1999 Aug;139(2):382-8.

Magic angle spinning NMR spectroscopy with composite RF pulses.

Author information

1
Abteilung für Molekulare Biophysik/NMR Spektroskopie, Institut für Molekulare Biotechnologie e.V., Jena, D-07708, Germany.

Abstract

Using numerical optimization procedures it is shown that it is possible to design composite 180 degrees RF pulses for MAS NMR spectroscopy by explicitly taking into account the variation of the resonance offset of each crystallite during the application of the RF pulses. When using composite RF pulses in experiments such as TOSS, where the delays between the RF pulses have to be critically adjusted, an optimization of these delays can lead to the desired performance characteristics.

PMID:
10423376
DOI:
10.1006/jmre.1999.1795
[Indexed for MEDLINE]

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