Preparation of Nano-liposome by Sonication and Pressure

초음파와 압력을 이용한 나노 리포솜의 제조

  • Published : 2008.02.28


Liposomes are artificial membranes prepared by phospholipid. In this study, liposomes were prepared by dehydration-rehydration method, and then nano-sized by sonication and pressure. The sizes of the prepared multilamellar vesicles (MLV) were greater than 10 μm. Sonication with a tip-type sonifier or pressurization with a French press on MLV were carried out to reduce size. Sonication with an output of 112.5 W for 10 min on MLV resulted in sizes less than 450 nm. French press with 6,000 psi of pressure was able to manufacture liposomes of approximately 100 nm uniformly. Also, the sonication or pressure clarified the color of the liposome solutions. The results indicate that sonication and pressure via French press can be applied to obtain nano-sized liposomes.


nanoliposome;sonication;pressure;French press


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