Title

Membrane on a chip: A functional tethered lipid bilayer membrane on silicon oxide surfaces

Document Type

Article

Publication Date

1-1-2005

Abstract

Tethered membranes have been proven during recent years to be a powerful and flexible biomimetic platform. We reported in a previous article on the design of a new architecture based on the self-assembly of a thiolipid on ultrasmooth gold substrates, which shows extremely good electrical sealing properties as well as functionality of a bilayer membrane. Here, we describe the synthesis of lipids for a more modular design and the adaptation of the linker part to silane chemistry. We were able to form a functional tethered bilayer lipid membrane with good electrical sealing properties covering a silicon oxide surface. We demonstrate the functional incorporation of the ion carrier valinomycin and of the ion channel gramicidin. © 2005 by the Biophysical Society.

Publication Source (Journal or Book title)

Biophysical Journal

First Page

1780

Last Page

1788

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