期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 14, 期 2, 页码 439-447出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp22978h
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资金
- EC [228461, 261863 (WP21)]
This perspective paper is intended to give some insights into the recently proposed technique of NMR of solutes sedimented by ultracentrifugation in a rotor used for solid state NMR experiments. Sedimented states correspond to molecules with very little reorientational capability in extremely concentrated solutions. They provide solid state NMR spectra comparable in quality with those of the best microcrystalline samples. Here we report some experiments to look for chemicals which affect the properties of the sediment, and we show that it is possible to fill the rotor in a true ultracentrifuge and then record the spectra. The latter possibility opens new horizons for NMR of sedimented systems.
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