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A series of dicephalic-type 1,1-bis{[3-(N,N-dimethylamino) ethyl]amido}alkane-di-N-oxide surfactants were synthesized and their aggregation behavior in an aqueous environment was described, both experimentally and theoretically. Surface tension and electron paramagnetic resonance (EPR) spectroscopy were applied to monitor the micellization behavior of the studied dicephalic surfactants in aqueous...
Spin labeling EPR methods were applied to characterize the local microviscosity and micropolarity of micellar aggregates formed by 3-(alkanoylamino)ethyldimethylamine-N-oxides (alkyl = nonyl, undecyl and tridecyl) in an aqueous environment in the temperature range 297–337 K. Four doxylstearic derivatives: 5-doxylstearate methyl ester (5-DSE), 16-doxylstearate methyl ester (16-DSE), 5-doxylstearic...
Electron paramagnetic resonance spectroscopy (EPR) was used in this study to monitor micellization behavior of selected saccharide-derived surfactants in aqueous solutions by measuring the spin probe parameters of nitroxide labeled entities (5- and 16-doxylstearic acid methyl esters) as a function of temperature and surfactant concentration. A group of aldonamide-type surfactants of the following...
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