Field theoretical approach for a polymer-containing vesicle

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Abstract

We simulate the structure of a vesicle that encloses polymers as an example of endocytosis and exocytosis. Simulations are performed by coupling two types of continuum field methods, i.e. the phase field theory for vesicle shape and the self-consistent field theory for polymer conformation. Comparing free energies between prolate and oblate shapes of vesicles as the candidates of equilibrium shape of the vesicle that contains polymers, we show that prolate shape is more stable, where the dominant contribution is the conformation entropy of polymers. We extend the above static simulation to a dynamic one by introducing a flow field that is described by Navier-Stokes equation.

Original languageEnglish
Article number015010
JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
Volume4
Issue number1
DOIs
Publication statusPublished - 2013 Mar

Keywords

  • Navier-Stokes equation
  • Phase field
  • Polymer
  • Self-consistent field
  • Vesicle

ASJC Scopus subject areas

  • Materials Science(all)
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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