Transition from complete to partial wetting within membrane compartments

Journal of the American Chemical Society
Yanhong LiRumiana Dimova

Abstract

Wetting and dewetting phenomena are ubiquitous, but wetting transitions have been reported only in a few experimental systems. In this work, we present a wetting transition in a mesoscopic membrane compartment for the first time. A two-phase aqueous polymer solution was encapsulated in a giant vesicle (few tens of micrometers in size). The polymers used are poly(ethyleneglycol) (PEG) and dextran. By increasing the polymer concentration in the vesicle, the PEG-rich phase changed from complete wetting to partial wetting of the membrane.

Citations

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