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    Formation of supported membranes from vesicles

    Year: 2000

    Journal: PHYSICAL REVIEW LETTERS 84: (23) 5443-5446 JUN 5 2000, 20100827

    Authors: Keller CA, Glasmastar K, Zhdanov VP, Kasemo B

    Last authors: B. Kasemo

    Organizations: Department of Applied Physics, Chalmers University of Technology and Göteborg University, S-412 96 Göteborg, Sweden Russian Acad Sci, Boreskov Inst Catalysis, Novosibirsk 630090, Russia

    Country: Sweden

    Using a combination of the quartz crystal microbalance and surface plasmon resonance techniques, we have studied the spontaneous formation of supported lipid bilayers from small (similar to 25 nm) unilamellar vesicles. Together these experimental methods measure the amount of lipid adsorbed on the surface and the amount of water trapped by the lipid. With this approach, we have, for the first time, been able to observe in detail the progression from the adsorption of intact vesicles to rupture and bilayer formation. Monte Carlo simulations reproduce the data.