Biodegradable polyester unimolecular systems as emerging materials for therapeutic applications

Area of Science:

• Materials Science
• Polymer Chemistry
• Biomedical Engineering

Background:

• Unimolecular micelles exhibit inherent structural stability, unlike conventional polymeric micelles, across varying environmental conditions.
• Polyester unimolecular micelles are favored in biomedical fields due to their stability, biocompatibility, biodegradability, and tunable structures.

Purpose of the Study:

• To review recent advancements in the design of polyester unimolecular micelles.
• To classify their applications in drug delivery, bio-imaging, and theranostics.
• To discuss current challenges and future prospects for these materials.

Main Methods:

• Review of recent literature on polyester unimolecular micelle design.
• Categorization of applications based on therapeutic modalities.
• Analysis of structural components like Boltorn polymer H40, cyclodextrin, dendrimers, and polyhedral oligomeric silsesquioxane (POSS).

Main Results:

• Recent designs incorporate diverse cores such as Boltorn H40, cyclodextrin, dendrimers, and POSS.
• Polyester unimolecular micelles show significant promise in drug delivery, bio-imaging, and theranostics.
• The review synthesizes current knowledge on structure-property relationships.

Conclusions:

• Polyester unimolecular micelles represent a stable and versatile platform for advanced biomedical applications.
• Further research is needed to address existing challenges and unlock their full therapeutic potential.