Porous biomimetic membranes: fabrication, properties and future applications.

A cell membrane is a flexible lipid bilayer with sophisticated functions which dominate the exchange of material, energy and information between the outside and the inside of the cell. In order to understand and imitate these structures and functions, scientists had already developed a variety of mimic membranes which are alike in form based on lipid bilayer and organic channel-molecules. With the rise of nanotechnology, a large number of synthetic nano-devices are widely used to construct porous biomimetic membranes which are alike in spirit instead of the conventional lipid bilayer membranes. This perspective will first introduce several typical methods to fabricate porous biomimetic membranes, and then discuss the "smart" properties and future applications of these membranes in materials transport, energy transformation and signal transduction aspects.

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