Herein, we report an improvement over Hartmann-Hahn cross polarization for NMR signal enhancement: adiabatic demagnetization/remagnetization transfers that provide up to a 9-fold experimental speedup for C NMR signals in amino acids over conventional means. The experiment proved insensitive to site type, and we also demonstrate a means for making it compatible with high-resolution spectroscopy.
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| http://dx.doi.org/10.1039/d4cc03604b | DOI Listing |
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