Suppression of spin diffusion in selected frequency bands of nuclear Overhauser spectra
✍ Scribed by Sébastien J. F. Vincent; Catherine Zwahlen; Geoffrey Bodenhausen
- Book ID
- 104662453
- Publisher
- Springer Netherlands
- Year
- 1996
- Tongue
- English
- Weight
- 383 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0925-2738
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✦ Synopsis
A variant of two-dimensional nuclear Overhauser effect spectroscopy (NOESY) is described that yields information about cross-relaxation rates between pairs of spins, while the migration of magnetization through several consecutive steps (spin diffusion via neighboring spins) is largely suppressed. This can be achieved by inserting a doubly-selective inversion pulse in a conventional NOESY sequence.
📜 SIMILAR VOLUMES
The effect of dipole-dipole cross correlations on the net nuclear Overhauser effect (NOE) has been analyzed here for realistic systems by extending the three-spin calculations to four and five spins in order to account for additional cross correlations and spin diffusion. These have been compared wi