منابع مشابه
Using solution state NMR spectroscopy to probe NMR invisible gelators.
Supramolecular hydrogels are formed via the self-assembly of gelator molecules upon application of a suitable trigger. The exact nature of this self-assembly process has been widely investigated as a practical understanding is vital for the informed design of these materials. Solution-state NMR spectroscopy is an excellent non-invasive tool to follow the self-assembly of supramolecular hydrogel...
متن کاملSolution solution: using NMR models for molecular replacement.
NMR structures can serve as a good source of search models in crystal structure determination by molecular replacement. However, owing to the inherent problems of NMR models, this procedure is not always straightforward. Here, an updated overview is presented with particular emphasis on the preparation of NMR search models and the latest trends in methodology. An experimental protocol developed...
متن کاملNMR solution conformation of heparin-derived hexasaccharide.
The solution conformation of homogeneous, heparin-derived hexasaccharide (residues A, B, C, D, E, F) has been investigated by using 1H-NMR spectroscopy. Intra-ring conformations have been defined by J-coupling constants and inter-proton nuclear Overhauser effects (NOEs), and the orientation of one ring with respect to the other has been defined by inter-ring NOEs. NOE-based conformational model...
متن کاملNMR solution conformation of heparin-derived tetrasaccharide.
The solution conformation of the homogeneous, heparin-derived tetrasaccharide delta UA2S(1-->4)-alpha-D-GlcNpS6S(1-->4)-alpha-L-IdoAp2S (1-->4)-alpha-D-GlcNpS6S (residues A, B, C and D respectively, where IdoA is iduronic acid) has been investigated by using 1H- and 13C-NMR. Ring conformations have been defined by J-coupling constants and inter-proton nuclear Overhauser effects (NOEs), and the ...
متن کاملSolution NMR Spectroscopy of Food Polysaccharides
Many polysaccharides are allowed for direct food use, where they serve a number of useful functions including dietary fiber, bulking agent, thickener, encapsulant, gelling agent, foam and emulsion stabilizer, protective colloid, emulsifier and suspending agent, adhesive and binder, flocculant, swelling agent, film/coat former, or syneresis inhibitor. Many of these polysaccharides have complex s...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1993
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.42.956