PubMed · 2895849
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A K Leung. 1988-04-23. Water standards for fluoride.. https://doi.org/10.1016/s0140-6736(88)91736-9
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The 19F-nmr chemical shift data of isomeric pigments (11-cis and 9-cis) of four vinyl fluororhodopsins and two trifluororhodopsins have been recorded. When compared with model protonated Schiff bases, a set of F-nmr opsin shift parameter (FOS) was obtained. The data revealed regiospecific protein perturbations on the F-resonances. They can be interpreted in terms of specific protein interactions such as the postulated second point charge and other polar interactions as well as the common hydrophobic protein perturbation.
A synthesis of a number of esters of (+/-)-cis, trans-3-(2,2-dichlorovinyl) -2,2-dimethylcyclopropanecarboxylic acid with polyfluorinated alcohols was carried out. Their effect on kinetics of inactivation of sodium current in neuroblastoma (Neuro-2a) cells by the patch-clamp technique in the whole-cell configuration was investigated.