Journal
JOURNAL OF MAGNETIC RESONANCE
Volume 195, Issue 2, Pages 226-231Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2008.09.011
Keywords
2D DOSY; Ultrafast NMR; Diffusion measurements; New NMR techniques
Funding
- Israel Science Foundation (ISF) [1206/05]
- Perlman Family Foundation
- Clore Foundation
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Spatial encoding is a particular kind of spin manipulation that enables the acquisition of multidimensional NMR spectra within a single scan. This encoding has been shown to possess a general applicability and to enable the completion of arbitrary nD NMR acquisitions within a single transient. The present study explores its potential towards the acquisition of 2D DOSY spectra, where the indirect dimension is meant to encode molecular displacements rather than a coherent spin evolution. We find that in its simplest form this extension shows similarities with methods that have been recently discussed for the single-scan acquisition of this kind of traces; still, a number of advantageous features are also evidenced by the ultrafast modality hereby introduced. The principles underlying the operation of this new single-scan 2D DOSY approach are discussed, its use is illustrated with a variety of sequences and of samples, the limitations of this new experiment are noted, and potential extensions of the methodology are mentioned. (C) 2008 Elsevier Inc. All rights reserved.
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