The influence of the micellar medium of aethonium on the spectral and protolytic properties of a set of indicator dyes
Abstract
The values of indices of the “apparent” ionization constants, pKaapp, of the set of indicator dyes in the medium of double-chained cationic surfactant 1,2-ethylen-bis-(N-decyloxycarbonylmethyl-N,N-dimethylammonium) dichloride (trade name Aethonium) have been determined. An aqueous solution of Aethonium consists of large particles to produce the aggregates in the form of bilayers and vesicles. Latter structures resemble bilayers of phospholipids, so they are promising as model systems in the pharmacy and medicine. Both changes in the indices of the ionization constants and shift of the absorption bands of anionic indicator dyes confirm their binding by micelles of Aethonium.
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References
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