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Berlin 2015 – scientific programme

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BP: Fachverband Biologische Physik

BP 24: Posters: Membranes and vesicles

BP 24.8: Poster

Tuesday, March 17, 2015, 14:00–16:00, Poster A

Direct Measurement of Mechanical Properties of Unsupported Lipid Bilayer under Hydrodynamic Deformation — •Cornelia Walter1, Michael Hein1, Ralf Seemann1,2, and Jean-Baptiste Fleury11Saarland University, Experimental Physics, Saarbruecken, Germany — 2Max Planck Institute for Dynamics and Self-Organization, Goettingen, Germany

Mechanical properties of lipid membranes like inter-monolayer friction or surface viscosity are important for several biological processes like cell migration, synovial articular motion or cell mechanism in general. The mechanical properties of lipid bilayers were experimentally investigated in detail by Evans and co-workers in the 90's. However, the for these studies vesicles or on supported bilayers were used which question their bio-relevance. Here, we present a new strategy to investigate mechanical properties of free-standing lipid bilayers using hydrodynamic deformation in microfluidic chips.

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