Deuterium MAS NMR and local molecular dynamic model to study adsorption–desorption kinetics of a dipeptide at the inner surfaces of SBA-15
This work presents a deuterium magic angle spinning (MAS) NMR study of the adsorption–
desorption dynamics of glycine-(2, 2)-d 2-alanine dipeptide adsorbed at the inner surfaces
of mesoporous SBA-15 silica under different hydration levels and temperatures. The
experimental and theoretical challenges posed by the strong quadrupolar interaction of the
rigid CD2 group, 3-fold bigger than that of the rotating methyl CD3, were addressed.
Deuterium MAS NMR spectra modulated by exchange were analyzed using theoretically …
desorption dynamics of glycine-(2, 2)-d 2-alanine dipeptide adsorbed at the inner surfaces
of mesoporous SBA-15 silica under different hydration levels and temperatures. The
experimental and theoretical challenges posed by the strong quadrupolar interaction of the
rigid CD2 group, 3-fold bigger than that of the rotating methyl CD3, were addressed.
Deuterium MAS NMR spectra modulated by exchange were analyzed using theoretically …
[引用][C] Deuterium MAS NMR and Local Molecular Dynamic Model to Study Adsorption–Desorption Kinetics of a Dipeptide at the Inner Surfaces of SBA-15
J Sundaresan, K Shifi, S Asher, V Shimon - 2016
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