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Time course of the effect of LL-37 on the permeability to PI. A P. aeruginosa PAO1 bacterial suspension was incubated in the presence of various concentrations of LL-37 for 1 h. The fluorescence was measured every min. The results are expressed as arbitrary units (a.u.) and are the means ± standard errors of the means (SEM) of three independent experiments performed in duplicate. For clarity of the graph, one in every three points has been plotted.
