NMR spectroscopy with radial pulses. p- and n-type selection COSY
β Scribed by D.G. Cory; F.H. Laukien; W.E. Maas
- Book ID
- 103035166
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 427 KB
- Volume
- 212
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
β¦ Synopsis
A novel NMR probe geometry is introduced and shown to have advantages for coherence pathway selection. The probe can generate rf fields with two distinct symmetries, a normal homogeneous rf field, and a "radial" rf field. One field can be used to both excite and detect the spin magnetization while the other is used to introduce spatially varying coherence pathway transformations. The detection process will select only that magnetization that preserves the symmetry of the detection coil. A single acquisition quadraturedetected COSY experiment is shown as an example of this principle.
' To whom correspondence should be addressed.
π SIMILAR VOLUMES
The combination of a frequency nonselective excitation suppression method (1337 sequence) with selective excitation followed by gradient-induced dephasing of water transverse magnetization yielded suppression ratios of greater than 10,000: 1. The need for gradient preemphasis and correction of Bo fi