Membrane folding and shape transformation in biomimetic vesicles

Polymeric self-assembled structures have been a topic of interest in the last few decades, specifically for the use of biomedical applications, such as drug delivery. It is exciting to investigate the formation of various shapes and sizes of such structures, as the morphology is crucial for their fu...

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Bibliographic Details
Published in:Soft matter 2021-02, Vol.17 (7), p.1724-173
Main Authors: Toebes, B. Jelle, Wilson, Daniela A
Format: Article
Language:English
Subjects:
Biodegradability
Biodegradation
Biomedical materials
Biomimetics
Block copolymers
Copolymers
Drug delivery
Genetic transformation
Micelles
Morphology
Organic solvents
Parameters
Self-assembly
Vesicles
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Summary:Polymeric self-assembled structures have been a topic of interest in the last few decades, specifically for the use of biomedical applications, such as drug delivery. It is exciting to investigate the formation of various shapes and sizes of such structures, as the morphology is crucial for their function. In this manuscript the important factors to control the morphology during self-assembly and subsequent shape transformation processes are discussed. We describe the main parameters to control and show the practical application of these parameters on biodegradable amphiphilic PEG-PDLLA block-copolymers. Thereby a variety of different morphologies, including micelles, worms, LCVs, discs, rods, stomatocytes, nested vesicles, and spherical vesicles of various sizes are created using only four diblock-copolymers and with careful tuning of two organic solvents. Further advances will lead to formation of more complex structures. Biodegradable polymeric self-assembled structures with controlled size and shape is a topic of great interest in nanomedicine. Various factors affecting the mechanism of shape transformation allowing control over the morphology of the structures are reported and discussed.
ISSN:1744-683X
1744-6848
DOI:10.1039/d0sm01932a