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Updated: Oct 2, 2026

Gramicidin-based Fluorescence Assay; for Determining Small Molecules Potential for Modifying Lipid Bilayer Properties
Published on: October 13, 2010
Vibrational circular dichroism of gramicidin D in vesicles and micelles
1Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, USA.
Abstract:
The vibrational circular dichroism (VCD) and absorption spectra of gramicidin D in three model membranes (dioctadecyldimethylammonium chloride vesicles, dimyristoyl-phosphatidylcholine vesicles, and sodium dodecyl sulfate micelles) are presented. The absorption and VCD spectra suggest that the stable gramicidin D conformation in the model membranes is different from those in organic solvents. The presence of cations does not change the membrane-bound conformation of gramicidin D.
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