期刊
MAGNETIC RESONANCE IN CHEMISTRY
卷 48, 期 10, 页码 749-752出版社
WILEY
DOI: 10.1002/mrc.2659
关键词
NMR; H-1; fast-NMR; localized spectroscopy; localized COSY
资金
- European Commission [FP6-2003-NEST-B3 15471]
- Xunta de Galicia [PGIDT05SIN012E]
A parallel localized spectroscopy (PALSY) method is presented to speed up the acquisition of multidimensional NMR (nD) spectra. The sample is virtually divided into a discrete number of nonoverlapping slices that relax independently during consecutive scans of the experiment, affording a substantial reduction in the interscan relaxation delay and the total experiment time. PALSY was tested for the acquisition of three experiments 2D COSY, 2D DQF-COSY and 2D TQF-COSY in parallel, affording a time-saving factor of 3-4. Some unique advantages are that the achievable resolution in any dimension is not compromised in any way: it uses conventional NMR data processing, it is not prone to generate spectral artifacts, and once calibrated, it can be used routinely with these and other combinations of NMR spectra. Copyright (C) 2010 John Wiley & Sons, Ltd.
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