Recent Strategies in the Development of Catanionic Vesicles

Area of Science:

• Supramolecular Chemistry
• Materials Science
• Colloid and Surface Chemistry

Background:

• Catanionic vesicles, self-assembled from oppositely charged surfactants, are extensively studied for drug delivery applications.
• Their development has been ongoing for two decades, highlighting their sustained interest and potential.

Purpose of the Study:

• To review recent strategies for developing novel catanionic vesicles.
• To explore methods for enhancing vesicle properties like drug loading and stability.
• To describe the gelation behavior of catanionic vesicles induced by polymers.

Main Methods:

• Review of recent literature on catanionic vesicle fabrication and modification.
• Analysis of strategies for salt elimination in surfactant mixtures.
• Investigation of techniques to increase ion pair amphiphile solubility and drug loading.
• Examination of methods for improving vesicle stability and polymer-induced gelation.

Main Results:

• Successful strategies have been identified for eliminating excess salt in catanionic systems.
• Methods to enhance the solubility of ion pair amphiphiles have been developed.
• Improvements in drug loading content and vesicle stability have been achieved.
• The gelation behavior of catanionic vesicles in the presence of polymers is characterized.

Conclusions:

• Recent advancements have significantly improved the potential of catanionic vesicles for drug delivery.
• Further research into optimizing solubility, loading, and stability is crucial.
• Understanding polymer-induced gelation offers new avenues for formulation development.