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research article

Improved resolution in proton NMR spectroscopy of powdered solids

Lesage, A
•
Duma, L
•
Sakellariou, D
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2001
Journal of the American Chemical Society

We present a new solid-state nuclear magnetic resonance experiment that yields, under CRAMPS decoupling conditions, a significant reduction in proton line widths for powdered organic solids. This experiment which relies on a constant-time acquisition of the proton transverse magnetization, removes the contribution of nonrefocusable broadening from the proton line widths. Although this new technique suffers from relatively low sensitivity, we demonstrate in this paper its feasibility on two model samples, L-alanine and the dipeptide Ala-Asp. In both cases a factor of between and 3 in line width reduction is obtained for most of the proton resonances.

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Type
research article
DOI
10.1021/ja0039740
Web of Science ID

WOS:000169338400018

Author(s)
Lesage, A
Duma, L
Sakellariou, D
Emsley, L  
Date Issued

2001

Publisher

AMER CHEMICAL SOC

Published in
Journal of the American Chemical Society
Volume

123

Issue

24

Start page

5747

End page

5752

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LRM  
Available on Infoscience
January 8, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/110124
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