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CC(C)[C@H](NC(C)=O)C(O)=O
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Phillip R Costa et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 164(1), 92-103 (2003-08-23)
The solid state NMR technique of rotational resonance (R2) has been used extensively to measure distances approaching 5-6 A between 13C nuclei in a variety of compounds including amyloidogenic peptides and membrane proteins. The accuracy of the distance information extracted
A Ramamoorthy et al.
Solid state nuclear magnetic resonance, 4(6), 387-392 (1995-08-01)
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
S Wi et al.
Journal of the American Chemical Society, 123(42), 10354-10361 (2001-10-18)
A heteronuclear dipolar recoupling scheme applicable to I-S spin pairs undergoing magic-angle-spinning (MAS) is introduced, based on the overtone irradiation of one of the coupled nuclei. It is shown that when I is a quadrupole, for instance (14)N, irradiating this
Yufeng Wei et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 158(1-2), 23-35 (2002-11-07)
A two-dimensional solid-state NMR method for the measurement of chemical shift anisotropy tensors of X nuclei (15N or 13C) from multiple sites of a polypeptide powder sample is presented. This method employs rotor-synchronized pi pulses to amplify the magnitude of
C P Grey et al.
Solid state nuclear magnetic resonance, 4(2), 113-120 (1995-02-01)
A two-dimensional (2D) experiment has been used to show that 14N irradiation and magic-angle spinning (MAS) results in population transfers between the 14N Zeeman levels. This experiment was applied to a sample of N-acetyl-D,L-valine, a material where asymmetric doublets resulting
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