Abstract

The lipid bilayer postulated as the basic structural matrix of biological membranes is widely accepted. Experiments in the early 1960s have made direct studies of lipid bilayer possible. At present, the bilayer lipid membrane (BLM) upon suitable modification serves as a unique model for biological membranes. This paper, after a minireview, describes our recent experiments with BLMs containing TCNQ (7,7′,8,8′-tetracyano-p-quinodimethane) or TTF (tetrathiafulvalene). These doped BLMs have been investigated by a voltammetric technique which has shown that suitably modified bilayer lipid membranes can act as an electronic conductor partaking in redox reactions at membrane/solution interfaces.

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