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http://dx.doi.org/10.15230/SCSK.2011.37.1.055

A Study on the Stability of DOPC Liposome  

Won, Doo-Hyun (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology)
Kim, Sun-Young (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology)
Lim, Gyu-Nam (Department of Fine Chemistry, College of Nature and Life Science, Seoul National University of Science and Technology)
Park, Soo-Nam (Department of Fine Chemistry, Colleger of Nature and Life Science, Seoul National University of Science and Technology)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.37, no.1, 2011 , pp. 55-60 More about this Journal
Abstract
In this study, DOPC liposomes were prepared with distilled water, phosphate buffer and phosphate buffered saline to evaluate the effects of salt on the stability of DOPC liposome. The changes in physical properties (likeparticle size and zeta potential) of liposome were measured after adding the salt. Liposomes were diluted 40 times and 80 times with hydration solvent to confirm the effect of dilution. Consequently, the stability of liposome was maintained up to 40 times dilution with hydration solvent. The liposome that prepared with distilled water was diluted with distilled water, phosphate buffer and phosphate buffered saline, and the liposome that prepared with phosphate buffer was diluted with phosphate buffer and phosphate buffered saline to evaluate the salt-induced changes in particle size and zeta potentia. As results, the particle size increased slightly and zeta potential became closer to 0 when the salt concentration was increased. In conclusion, particle size and zeta potential of liposome could be reasonable factors to evaluate the stability of liposome. In addition, we suggest that salt concentration of hydration solvent has a significant effect on the stability of liposome.
Keywords
DOPC liposome; zeta potential; particle size; stability; phosphate buffered saline;
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