✦ LIBER ✦
Two-dimensional chemical shift/heteronuclear dipolar coupling spectra obtained with polarization inversion spin exchange at the magic angle and magic-angle sample spinning (PISEMAMAS)
✍ Scribed by A. Ramamoorthy; S.J. Opella
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 499 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0926-2040
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✦ Synopsis
High-resolution two-dimensional 15N chemical shift/1H-15N dipolar coupling polarization inversion spin exchange at the magic angle (PISEMA) spectra of a polycrystalline sample of 15N-acetylvaline were obtained with and without magic-angle sample spinning. These spectra demonstrate the advantages of the PISEMA experiment over conventional approaches to separated local-field spectroscopy, especially the high resolution in the dipolar dimension where the spinning sidebands have uniformly narrow linewidths.