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Spontaneous vesicle formation from DSB/AOT mixed system

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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-fracture 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 parameterf, molecular geometry structure and interaction.

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Correspondence to Ganzuo Li.

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Chen, W., Zhai, L., Li, G. et al. Spontaneous vesicle formation from DSB/AOT mixed system. Chin.Sci.Bull. 48, 1338–1342 (2003).

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  • vesicle
  • negative-staining TEM
  • freeze-fracture TEM
  • dynamic light scattering
  • calorimetry