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Controlling Molecular Diffusion in Self-Spreading Lipid Bilayer Using Periodic Array of Ultra-Small Metallic Architecture on Solid Surface

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journal contribution
posted on 07.12.2005, 00:00 by Hideki Nabika, Atsushi Sasaki, Baku Takimoto, Yoshitaka Sawai, Shengtai He, Kei Murakoshi
Diffusion of target molecules incorporated in the self-spreading lipid bilayer was controlled by the introduction of periodic array of metallic architecture on solid surface. Retardation of the progress of target molecules became significant when the size of gap between small metal architectures was less than a few hundred nanometers. The self-spreading dynamics of the lipid bilayer depending on the size of the small gap were analyzed semiquantitatively. Estimated change in the driving force of the spreading layer suggests that highly localized compression of the spreading layer causes selective segregation of molecules.

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