Effect of the controls VOR (negative) and KANB (C14) (positive) as well as compounds 5-9 on the cell membrane integrity of C. albicans ATCC 10231 (strain A). For the three columns on the left from top to bottom: Propidium iodide (PI) dye uptake by yeast cells without drug, with VOR (0.975 μg/mL), KANB (C14) (31.3 μg/mL), and compound 8 (1×, 2×, and 4× MIC). For the three columns on the right from top to bottom: Propidium iodide (PI) dye uptake by yeast cells with compound 9 (1×, 2×, and 4× MIC), as well as compound 5, 6, and 7 at 4× MIC. The experiments were performed in duplicate.