Cross correlation of chemical-shift anisotropy and dipolar interactions in methyl protons investigated by selective nuclear magnetic resonance spectroscopy
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Cross-correlated fluctuations of isotropic chem. shifts can provide evidence for slow motions in biomols. Slow side-chain dynamics have been investigated in 15N and 13C enriched ubiquitin by monitoring the relaxation of Ca-Cb two-spin coherences (Frueh et ...
Cross-correlated fluctuations of isotropic chem. shifts can provide evidence for slow motions in biomols. Slow side-chain dynamics have been investigated in 15N and 13C enriched ubiquitin by monitoring the relaxation of Ca-Cb two-spin coherences (Frueh et ...
A new sequence is described to measure the cross-correlation rates between the chem. shift anisotropy of the carbonyl carbon-13 nucleus and the dipole-dipole interaction between this carbonyl and the alpha-proton in proteins. The sequence is based on the s ...
Exchange transferred effects in soln.-state NMR expts. allow one to det. the conformation of ligands that are weakly bound to macromols. Exchange-transferred nuclear Overhauser effect spectroscopy (TR-NOESY) provides information about internuclear distance ...
A method is described to det. long-range cross-correlations between the modulations of an anisotropic chem. shift (e.g., of a C' carbonyl carbon in a protein) and the fluctuations of a weak long-range dipolar interaction (e.g., in cross-correlation between ...
On the basis of the Neyman-Scott process a model is proposed to generate rainfall at two sites simultaneously. This model takes into account the correlation, which is produced by generating bivariate correlated variates. The cross correlation between the s ...
The concentration of reduced glutathione (GSH), an antioxidant, may be altered in various brain diseases. MEGA-PRESS was used to edit for the (1)H NMR signal from GSH in the occipital lobe of 12 normal humans. In all studies, GSH was clearly detected with ...
A new expression for the spectral d. function of cross-correlated dipole-dipole interference is proposed. It allows one to assess to what extent anisotropic rotational diffusion results in complications in the interpretation of cross-correlation rates. The ...
New NMR (NMR) methods are described for the measurement of cross-correlation rates of zero- and double-quantum coherences involving two nitrogen nuclei belonging to successive amino acids in proteins and peptides. Rates due to the concerted fluctuations of ...
The degradation of metobromuron (MB), isoproturon (IP), chlortoluron (CT), and chlorbromuron (CB) in heterogeneous photocatalytic solution via TiO2 was studied in detail. The influence of parameters such as TiO2 and herbicide concentration has been investi ...
