Programmable Coacervates Based on Minimalist Sticker-Spacer Frameworks: Chemical Design, Functions, and Emerging...

Area of Science:

• Biomolecular Engineering
• Chemical Biology
• Soft Matter Physics

Background:

• Membraneless compartments like coacervates are vital for cellular organization and function.
• Liquid-liquid phase separation (LLPS) is a key mechanism, understood via the sticker-spacer framework.
• This framework offers a predictive model for designing and controlling coacervate behavior.

Purpose of the Study:

• To critically review the sticker-spacer framework for coacervate formation and function.
• To highlight advances in designing coacervates with specific morphologies and properties.
• To explore applications in chemical reactions and drug delivery.

Main Methods:

• Examination of how sticker chemistry and spacer architecture influence LLPS.
• Analysis of physical and chemical properties of coacervate components.
• Review of recent developments in coacervate engineering, including light-responsive and self-assembling systems.

Main Results:

• Precise molecular design of stickers and spacers is crucial for controlling coacervate morphology and function.
• Sticker-spacer frameworks facilitate diverse coacervate properties, from simple to complex assemblies.
• Coacervates can transition into stable nanoassemblies and host chemical reactions or act as drug carriers.

Conclusions:

• Designer sticker-spacer frameworks provide a versatile strategy for creating adaptive coacervate protocells.
• These engineered coacervates hold significant potential for biocatalysis and biomedical applications.
• Further research into molecular design principles will unlock new possibilities for coacervate-based technologies.