Automated formation of lipid-bilayer membranes in a microfluidic device |
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| Authors: | Malmstadt Noah Nash Michael A Purnell Robert F Schmidt Jacob J |
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| Affiliation: | Department of Bioengineering, Cybernetics Interdepartmental Program, and California Nanosystems Institute, University of California Los Angeles, Los Angeles, California 90095, USA. |
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| Abstract: | Although membrane channel proteins are important to drug discovery and hold great promise as engineered nanopore sensing elements, their widespread application to these areas has been limited by difficulties in fabricating planar lipid-bilayer membranes. We present a method for forming these sub-5-nm-thick free-standing structures based on a self-assembly process driven by solvent extraction in a microfluidic channel. This facile automatable process forms high-quality membranes able to host channel proteins measurable at single-molecule conductance resolution. |
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