Dual-compensated antisymmetric composite refocusing pulses for NMR
β Scribed by Smita Odedra; Michael J. Thrippleton; Stephen Wimperis
- Book ID
- 118129105
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 637 KB
- Volume
- 225
- Category
- Article
- ISSN
- 1090-7807
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## Abstract __When applying multiple refocusing pulses to characterize the crossβcorrelated relaxation of heteronuclear multiple quantum coherence 2__N~x~H~x~ __in biomolecules, the unavoidable effects of pulse imperfections are compensated by the scalar couplings between nitrogen atoms and protons
Adiabatic 180 degrees inversion rf pulses can be converted to 180 degrees refocusing pulses by inverting the effective field midway during the pulse. Suitable pulses retain insensitivity to large variations in the rf field strength and act over a reasonable spectral width. Such pulses may find appli