Optimized detection of small spin–spin couplings in two-dimensional chemical shift correlation experimentsCOSY and DEPT
✍ Scribed by Gy. Batta; Katalin E. Kövér
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 350 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0749-1581
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✦ Synopsis
Two-dimensional chemical shift correlation experiments (COSY and DEPT
) may be applied to the detection of small spin-spin couplings. To increase the sensitivity of these techniques, careful optimization of the experimental parameters is required. Equations applicable to AX spin systems are given for the optimal choice of delay periods in the pulse sequences. Practical applications have been demonstrated for oligosaccharide sequencing.
📜 SIMILAR VOLUMES
We present a simple method for extracting interference effects between chemical shift anisotropy (CSA) and dipolar coupling from spin relaxation measurements in macromolecules, and we apply this method to extracting cross-correlation rates involving interference of amide 15N CSA and 15N-1H dipolar c