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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Biochim Biophys Acta. 2008 Jul 1;1778(10):2430–2436. doi: 10.1016/j.bbamem.2008.06.016

Figure 5.

Figure 5

Membrane homogeneity n versus time at different peptide/lipid ratios and DC potentials. FSKRGY (top panel) and AGGKGF (bottom panel) was added at t = 10 min at the peptide/lipid ratios and DC bias potentials indicated. For all DC bias potentials and peptide concentrations, n decreased upon addition of FSKRGY. No such changes were observed upon addition of AGGKGF. In FSKRGY experiments, more positive membrane potentials resulted in more moderate changes; in addition, the changes were larger at higher peptide concentration. Value of n reached minimum within 1–2 minutes, followed by a partial relaxation with a time constant of about 8 min.