Preparation of multivesicular liposomes

Area of Science:

• Biotechnology
• Materials Science
• Drug Delivery

Background:

• Liposomes are versatile lipid-based nanoparticles used in various applications.
• Developing efficient encapsulation methods for diverse molecules remains a challenge.

Purpose of the Study:

• To introduce a novel method for preparing multivesicular liposomes.
• To evaluate the encapsulation efficiency of these liposomes for various solutes.

Main Methods:

• Preparation of multivesicular liposomes via organic solvent evaporation from spherules.
• Characterization of liposome morphology using light and transmission electron microscopy.
• Assessment of encapsulation for molecules ranging from glucose to nucleic acids.

Main Results:

• Successfully prepared multivesicular liposomes with average diameters ranging from 5.6 to 29 microns.
• Demonstrated effective encapsulation of solutes across a wide molecular size range.
• Achieved extremely high encapsulation percentages, up to 89%.

Conclusions:

• The novel multivesicular liposome preparation method is highly effective.
• These liposomes show significant potential for encapsulating a broad spectrum of molecules.
• High encapsulation efficiency suggests promising applications in drug delivery and other fields.