Domain Growth Kinetics in a Cell-sized Liposome

Details Domain Growth Kinetics in a Cell-sized Liposome Domain Growth Kinetics in a Cell-sized Liposome

2005-10-07

arxiv.org/abs/cond-mat/0510171v1

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1143/JPSJ.75.013602

We investigated the kinetics of domain growth on liposomes consisting of a ternary mixture (unsaturated phospholipid, saturated phospholipid, and cholesterol) by temperature jump. The domain growth process was monitored by fluorescence microscopy, where the growth was mediated by the fusion of domains through the collision. It was found that an average domain size r develops with time t as r ~ t^0.15, indicating that the power is around a half of the theoretical expectation deduced from a model of Brownian motion on a 2-dimensional membrane. We discuss the mechanism of the experimental scaling behavior by considering the elasticity of the membrane.

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