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Preparation of microencapsulated liposomes.
Journal of Microencapsulation
|October 1, 1988
Summary
Liposomal nylon microcapsules were developed using interfacial polymerization. These novel microcapsules demonstrate sustained release properties, offering an advantage over standard nylon microcapsules for drug delivery applications.
Area of Science:
- Materials Science
- Pharmaceutical Sciences
- Chemical Engineering
Background:
- Liposomes are widely used drug delivery systems.
- Nylon microcapsules offer a protective shell for encapsulated materials.
- Controlled release formulations are crucial for optimizing therapeutic efficacy.
Purpose of the Study:
- To develop and characterize liposomal nylon microcapsules.
- To investigate the encapsulation efficiency of liposomes within nylon matrices.
- To evaluate the release properties of these novel microcapsules.
Main Methods:
- Liposome suspension encapsulated within a nylon wall via interfacial polymerization.
- Washing steps using ether and distilled water to purify microcapsules.
- Assessment of encapsulation efficiency based on lipid composition.
- Comparative release studies against simple nylon microcapsules.
Main Results:
- Successful preparation of liposomal nylon microcapsules.
- Encapsulation efficiency was influenced by the liposome's lipid composition.
- Liposomal nylon microcapsules exhibited sustained release characteristics.
- Demonstrated improved release profiles compared to non-liposomal nylon microcapsules.
Conclusions:
- Liposomal encapsulation within nylon microcapsules is feasible.
- Lipid composition plays a key role in encapsulation efficiency.
- These microcapsules offer potential for sustained drug delivery.