Spontaneous vesicles from the aqueous mixtures of dodecyl sulfonate betaine (DSB) and sodium bis (2-ethylhexyl) sulfosuccinate (AOT) at certain mixing ratios have been demonstrated by using calorimetry, freeze-frac- t...Spontaneous vesicles from the aqueous mixtures of dodecyl sulfonate betaine (DSB) and sodium bis (2-ethylhexyl) sulfosuccinate (AOT) at certain mixing ratios have been demonstrated by using calorimetry, freeze-frac- ture transmission electronic microscopy (TEM), negative- staining TEM and dynamic light scattering (DLS) methods. The addition of NaCl will promote vesicle formation and the heat effect of monodisperse vesicle system is greatest. Meanwhile the mechanism was analyzed from the viewpoint of packing parameter f, molecular geometry structure and interaction.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.20243005)the Key Lab Visiting Scholar's Funds of the Ministry of Education of China.
文摘Spontaneous vesicles from the aqueous mixtures of dodecyl sulfonate betaine (DSB) and sodium bis (2-ethylhexyl) sulfosuccinate (AOT) at certain mixing ratios have been demonstrated by using calorimetry, freeze-frac- ture transmission electronic microscopy (TEM), negative- staining TEM and dynamic light scattering (DLS) methods. The addition of NaCl will promote vesicle formation and the heat effect of monodisperse vesicle system is greatest. Meanwhile the mechanism was analyzed from the viewpoint of packing parameter f, molecular geometry structure and interaction.