Measurement of dipolar energy in nuclear spin systems
โ Scribed by M Goldman
- Publisher
- Elsevier Science
- Year
- 1975
- Weight
- 359 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0022-2364
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๐ SIMILAR VOLUMES
Signal intensity changes observed in double-resonance experiments on dipolar coupled-spin systems in liquid phase are known as the nuclear Overhauser effect 1 ( ) NOE . This article describes the theory of dynamic nuclear polarization of coupled spin-2 nuclei along with the experimental techniques
In systems with dipolar relaxation in isotropic phase, it is possirates'' ) provides the key to the determination of molecuble to measure the extent of cross correlation of the fluctuations lar structure in solution ( 1 -3 ) . Overhauser effects can of two selected dipole-dipole interactions A-M and
The proton NMR spectra of liquid crystalline samples can be but it has not been used to study a mesogenic molecule since simplified by selective, partial deuteration followed by deuterium these are not easily fully deuterated catalytically (5). The decoupling. This leaves strong peaks from the proto