Streamlined Formation and Manipulation of Charged Polymersomes.

Area of Science:

• Materials Science
• Polymer Chemistry
• Nanotechnology

Background:

• Charged polymersomes offer unique properties for advanced materials due to encapsulation and charge-driven functions.
• The pH-sensitivity of charged block copolymers complicates their self-assembly, hindering reliable production of polymersomes.

Purpose of the Study:

• To develop a robust method for the reliable production of charged polymersomes.
• To identify a specific phase window for controlled self-assembly by balancing solvent composition and pH.
• To demonstrate the utility of this approach for subsequent processing steps.

Main Methods:

• Utilized a flow approach to precisely control solvent composition and pH during self-assembly.
• Identified a specific phase window enabling consistent charged polymersome formation.
• Demonstrated downstream processing capabilities, including morphological transformation and in-line purification.

Main Results:

• Successfully established a reliable method for producing charged polymersomes.
• Identified a defined phase window for controlled self-assembly.
• Showcased the adaptability of the polymersomes for surface modification via charge complexation.

Conclusions:

• The developed flow approach offers a reliable strategy for charged polymersome synthesis.
• This method simplifies downstream processing and expands the application scope of charged polymersomes.
• The findings pave the way for utilizing charged polymersomes in surface modification and other advanced material applications.