title: Adhesive emulsion bilayers under an electric field: from unzipping to fusion.
abstract: Water-in-oil emulsion drops are formed and stabilized with phospholipids which can adhere and form a bilayer. Using microfluidics, adhesive drop pairs are then trapped and submitted to an ac electric field. We observe three distinct states as a function of the adhesion energy and the electric field intensity. The pair can be either stable, though slightly deformed, or unzip and separate, or coalesce. The frontiers between the different states directly reflect vesicle detachment forces and electroporation theories. The experimental approach that we propose for probing liquid interface wetting between monolayers allows us to finely tuned the tension in the bilayer and gives access to bilayer unzipping.
authors: UPMC Univ. Paris, CNRS UMR, ESPCI ParisTech, France. Abdou_Rachid.Thiam@espci.fr
authors: Abdou R
authors: AR
authors: Thiam
authors: Nicolas
authors: N
authors: Bremond
authors: Jérôme
authors: J
authors: Bibette
mesh_terms: D000269:Adhesives / Q000737:chemistry*; D004560:Electricity; D004655:Emulsions / Q000737:chemistry*; D008051:Lipid Bilayers / Q000737:chemistry*; D008561:Membrane Fusion; D010743:Phospholipids / Q000737:chemistry*; D013816:Thermodynamics; D013997:Time Factors; D014867:Water / Q000737:chemistry
chemical_list: D000269:Adhesives; D004655:Emulsions; D008051:Lipid Bilayers; D010743:Phospholipids; D014867:Water