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Sulfonatocalix[4]arene lowers the critical aggregation concentration of fluorocarbon surfactant pronouncedly by a factor of ca.100 to form binary amphiphilic aggregates on the basis of host-guest complexation,which was identified by1H NMR spectroscopy,fluorescence spectroscopy,optical transmittance spectroscopy,dynamic laser scattering,high-resolution transmission electron microscopy,scanning electron microscopy,and surface tension experiments.Moreover,the resulting aggregates can respond to external stimuli,including temperature and inclusion of competitor guest.Therefore,the present system may have potential applications in drug delivery systems.
Sulfonatocalix [4] arene lowers the critical aggregation concentration of fluorocarbon surfactant pronounced by a factor of ca.100 to form binary amphiphilic aggregates on the basis of host-guest complexation, which was identified by 1 H NMR spectroscopy, fluorescence spectroscopy, optical transmittance spectroscopy, dynamic laser scattering, high-resolution transmission electron microscopy, scanning electron microscopy, and surface tension experiments. Moreover, the resulting aggregates can respond to external stimuli, including temperature and inclusion of competitor guest. Before, the present system may have potential applications in drug delivery systems.