Improved strategies for DNP-enhanced 2D 1H-X heteronuclear correlation spectroscopy of surfaces
نویسندگان
چکیده
منابع مشابه
2H-DNP-enhanced 2H-13C solid-state NMR correlation spectroscopy.
Perdeuteration of biological macromolecules for magic angle spinning solid-state NMR spectroscopy can yield high-resolution (2)H-(13)C correlation spectra and the method is therefore of great interest for the structural biology community. Here we demonstrate that the combination of sample deuteration and dynamic nuclear polarization yields resolved (2)H-(13)C correlation spectra with a signal e...
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Resonance assignment is necessary for the comprehensive structure determination of insoluble proteins by solid-state NMR spectroscopy. While various 2D and 3D correlation techniques involving 13C and 15N spins have been developed for this purpose, H chemical shift has not been exploited sufficiently. We demonstrate the combination of the regular 1H-13C heteronuclear correlation (HETCOR) experim...
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A series of non-aqueous solvents combined with the exogenous biradical bTbK are developed for DNP NMR that yield enhancements comparable to the best available water based systems. 1,1,2,2-tetrachloroethane appears to be one of the most promising organic solvents for DNP solid-state NMR. Here this results in a reduction in experimental times by a factor of 1000. These new solvents are demonstrat...
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ژورنال
عنوان ژورنال: Solid State Nuclear Magnetic Resonance
سال: 2017
ISSN: 0926-2040
DOI: 10.1016/j.ssnmr.2017.08.002