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Magic angle spinning (MAS) from L- and D-glutamic acid-HCl at 14.1 T produces highly structured and very similar NMR spectra. Lines from all 4 oxygen sites are readily distinguished and assigned. These 17 O NMR spectra are very different from the previously reported 17 O spectrum of the D,L-form presumably because that was a racemic crystal. 17 O NMR from L-monosodium glutamate-HCl is very different again requiring the application of double angle rotation and 3 quantum MAS NMR to provide resolution of 5 different sites. Hence high resolution 17 O solid state NMR techniques offer possible new insight into biochemical bonding processes. © 2003 Elsevier Science B.V. All rights reserved.

Original publication

DOI

10.1016/S0009-2614(03)00254-9

Type

Journal article

Journal

Chemical Physics Letters

Publication Date

28/03/2003

Volume

371

Pages

91 - 97