Microtech 2011

Analysis and lateral manipulation of membrane proteins in their native environment – a microfluidic technique

L. Simonsson, A. Gunnarsson, P. Jönsson, F. Höök
Chalmers University of Technology, SE

Keywords: membrane protein, microfluidics, cell membrane, interaction kinetics, separation, enrichment


We have developed a technique, based on microfluidics, aiming to provide analysis, enrichment and separation of membrane proteins kept in their native environment, simply by incorporating membrane proteins from cell membrane fragments into a supported lipid bilayer. We probe ligand binding to membrane receptors in their native environment and show enrichment and separation of membrane-associated proteins. Our technique is designed to avoid the use of detergents and protein engineering.

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