Determination of the Torsion Angles of Alanine and Glycine Residues ofBombyxMoriSilk Fibroin and the Model Peptides in the Silk I and Silk II Forms Using 2D Spin Diffusion Solid-State NMR under Off Magic Angle Spinning

2002 ◽  
Vol 106 (36) ◽  
pp. 9434-9439 ◽  
Author(s):  
Jun Ashida ◽  
Kosuke Ohgo ◽  
Tetsuo Asakura
2019 ◽  
Vol 73 (8-9) ◽  
pp. 471-475 ◽  
Author(s):  
Kai Xue ◽  
Salvatore Mamone ◽  
Benita Koch ◽  
Riddhiman Sarkar ◽  
Bernd Reif

2012 ◽  
Vol 714 ◽  
pp. 51-56 ◽  
Author(s):  
Antonio Martínez-Richa ◽  
Regan Silvestri

Solid-state nuclear magnetic resonance (NMR) spectroscopy has emerged as a relatively facile technique for the characterization of multi-component polymer systems. In particular, it has emerged to be a useful technique for probing the molecular structure, conformation and dynamics of polymer chains at interfaces between phases in various types of multi-component polymer systems including nanomaterials. The usefulness of solid-state NMR stems from its ability to non-destructively probe not only the bulk of the polymer, but moreover its ability to selectively probe the interface or interphase. As such, the technique has been extensively exploited in the study of multi-component polymer systems. To achieve13C spectral resolution in the solid-state magic angle spinning (MAS), dipolar decoupling and cross-polarization are applied which enables the study of individual carbon atoms directly with excellent resolution and sensitivity. Some examples of applications of this technique to the study of multiphase aliphatic polyesters are reviewed herein.


2005 ◽  
Vol 127 (37) ◽  
pp. 12965-12974 ◽  
Author(s):  
Ovidiu C. Andronesi ◽  
Stefan Becker ◽  
Karsten Seidel ◽  
Henrike Heise ◽  
Howard S. Young ◽  
...  

2016 ◽  
Vol 18 (32) ◽  
pp. 22583-22589 ◽  
Author(s):  
Manoj Kumar Pandey ◽  
Jean-Paul Amoureux ◽  
Tetsuo Asakura ◽  
Yusuke Nishiyama

Sensitivity enhanced proton-detected 14N/14N correlation method mediated through accelerated 1H–1H spin diffusion at fast magic angle spinning (MAS) solid-state NMR is demonstrated to distinguish inter-beta-sheet interactions in naturally abundant parallel and anti-parallel alanine tripeptides.


2017 ◽  
Vol 53 (89) ◽  
pp. 12116-12119 ◽  
Author(s):  
J. A. Jarvis ◽  
I. Haies ◽  
M. Lelli ◽  
A. J. Rossini ◽  
I. Kuprov ◽  
...  

Insights into protein structure through the determination of 14N quadrupolar interactions using magic-angle spinning dynamic nuclear polarization NMR.


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