Reversibly Compressible Cross-Linked Polystyrene Gels, Compatible With Toluene-d8 and Pyridine-d5, for Measurement of Residual Dipolar Couplings and Residual Chemical Shift Anisotropies.
Franciane G Dos Santos, Daiane S Carvalho, Fernando Hallwass, Armando Navarro-Vázquez
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Abstract
A chemically cross-linked version of polystyrene is presented here that allows the preparation of reversibly mechanically compressible gels as NMR weakly aligning media. The gels can be successfully swollen in aromatic solvents such as toluene-d8 and pyridine-d5, as well as in CDCl3, and provided accurate measurements of 1DCH RDCs and 13C-RCSAs.
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MRC is devoted to the rapid publication of papers which are concerned with the development of magnetic resonance techniques, or in which the application of such techniques plays a pivotal part. Contributions from scientists working in all areas of NMR, ESR and NQR are invited, and papers describing applications in all branches of chemistry, structural biology and materials chemistry are published.
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