Vesicle growth and deformation in a surfactant solution below the Krafft temperature
文献情報
Youhei Kawabata, Tomoaki Shinoda, Tadashi Kato
We have studied vesicle growth and deformation in aqueous solutions of nonionic surfactant C16E7 below the Krafft temperature by means of an optical microscope. It has been found that vesicles become larger by fusing together, and that the growth rate is slower than that of the unilamellar vesicle or emulsion systems due to the multilamellar structures of shells in a vesicle. The deformation of the vesicles depends on the temperature quench depth, and we found the transformation from spherical vesicles to string-like domains at a certain quench-temperature. From the small angle X-ray scattering and confocal microscope experiments, it can be deduced that the deformation of vesicles would be induced by osmotic pressure due to the micellar concentration difference between inside and outside of vesicles.
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