title: Two-dimensional microfluidics using circuits of wettability contrast.
abstract: We originally introduce a device to achieve monitored flows of Langmuir monolayers on predesigned wet circuits imprinted on a solid support. The hydrophilic track is first engraved in contact with a hydrophobically coated metallic plate that is fitted into a three-compartment Langmuir trough. Two different designs are tested to confirm flow stability and control. In particular and as a first utility, we measure the diffusion coefficient of a fluorescent probe using Y-junction geometry.
authors.affiliation: Departament de Química Física, Universitat de Barcelona, 08028 Barcelona, Catalunya, Spain.
authors.forename: Patricia
authors.initials: P
authors.lastname: Burriel
authors.forename: Jordi
authors.initials: J
authors.lastname: Ignés-Mullol
authors.forename: Josep
authors.initials: J
authors.lastname: Claret
authors.forename: Francesc
authors.initials: F
authors.lastname: Sagués