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Related Experiment Video

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Phase Behavior of Charged Vesicles Under Symmetric and Asymmetric Solution Conditions Monitored with Fluorescence Microscopy

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Published on: October 24, 2017

Nonequilibrium patterns in phase-separating ternary membranes.

Jordi Gómez¹, Francesc Sagués, Ramon Reigada

¹Departament de Química-Física, Universitat de Barcelona, Avda. Diagonal 647, 08028 Barcelona, Spain.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|August 8, 2009

Summary

This summary is machine-generated.

Dynamically exchanging components in a two-dimensional mixture halts phase separation, creating stable, finite-size domains. This nonequilibrium approach offers insights into membrane raft dynamics.

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Area of Science:

Soft Matter Physics
Chemical Engineering
Materials Science

Background:

Phase separation in ternary mixtures is a fundamental process in materials science.
Previous work demonstrated halting phase separation via dynamic component exchange.
Understanding domain organization is crucial for controlling material properties.

Purpose of the Study:

To investigate the nonequilibrium dynamics of a two-dimensional phase-separating ternary mixture.
To analyze the formation, organization, and stability of segregation domains under dynamic exchange.
To provide a dynamic description including thermal fluctuations using Ginzburg-Landau formalism.

Main Methods:

Nonequilibrium approach for ternary mixtures.
Ginzburg-Landau formalism with thermal fluctuations.
Analysis of domain size, shape, and stability properties.

Main Results:

Dynamic component exchange halts phase separation, forming stable, finite-size segregation domains.
Domain size, shape, and stability are influenced by recycling rate, component mobility, and quench depth.
Decreasing recycling rate and increasing mobility lead to larger, more circular, and stable domains.

Conclusions:

The study presents a dynamic model for domain organization in phase-separating mixtures.
Control over domain properties is achieved by manipulating exchange dynamics and system parameters.
Findings have potential applications in understanding raft phenomenology in biological membranes.