title: Wetting of liquid droplets on living cells.
abstract: We report here the formation of adhesive conjugates between living cells and properly tailored colloidal liquid droplets bearing a cationic surfactant. We show that the droplets could wet cell surface with a well-defined contact angle, allowing direct determination of the energy of adhesion. We also describe the effect of cationic surfactant concentration on adhesion efficiency. This provides new tools to probe living cell surface properties and find practical laws for cell adhesion on well-defined surfaces.
authors.affiliation: L.A.C.Re.M-E.N.S.C.P.B. 16, avenue Pey-Berland, 33607 Pessac Cedex, France.
authors.forename: Valérie
authors.initials: V
authors.lastname: Ravaine
authors.forename: Jérôme
authors.initials: J
authors.lastname: Bibette
authors.forename: Nelly
authors.initials: N
authors.lastname: Henry
mesh_terms: D000818:Animals; D002448:Cell Adhesion / Q000187:drug effects / Q000502:physiology; D002460:Cell Line; D002462:Cell Membrane / Q000502:physiology*; D005229:Fatty Acids, Monounsaturated / Q000494:pharmacology*; D051379:Mice; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D012995:Solubility; D013314:Stress, Mechanical; D014867:Water
chemical_list: D005229:Fatty Acids, Monounsaturated; D000644:Quaternary Ammonium Compounds; D014867:Water; C070046:1,2-dioleoyloxy-3-(trimethylammonium)propane