Gramicidin conducting dimmers in lipid bilayers are stabilized by single-file ionic flux along them

Article Abstract:

Gramicidin D is incorporated in a biomimetic membrane consisting of a lipid bilayer tethered to a mercury electrode through a hydrophilic spacer and its behavior is examined in aqueous KCl by potential-step chronocoulometry and electrochemical impedance spectroscopy. The results have shown that gramicidin has a low tendency to form dimmers in the absence of ionic flux.

Chemical properties, Gramicidins

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Tethered bilayer lipid membranes studied by simultaneous attenuated total reflectance infrared spectroscopy and electrochemical impedance spectroscopy

Article Abstract:

The influence of the lipid orientation of lipids on a gold film on the dichroic ratio is studied by simulations of spectra with a matrix method for anisotropic layers. The result shows that for certain tilt angles of the dielectric tensor of the adsorbed anisotropic layer dispersive and negative absorption bands are possible.

Analysis, Anisotropy

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Pore-suspending lipid bilayers on porous alumina investigated by electrical impedance spectroscopy

Article Abstract:

A technique to modify the substrates with respect to their electrical properties, leading to a significantly increased capacitance of porous alumina, which allowed for a sensitive detection of pore spanning lipid bilayers by impedance spectroscopy is established.

Metal ores, not elsewhere classified, All Other Metal Ore Mining, Alumina, Aluminum oxide

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