Fig. 8From: Size-dependent effects of niosomes on the penetration of methotrexate in skin layersA Growth curve: the plot of percentage growth inhibition versus drug concentration (μg/mL) shows the effective drug concentration on murine tumor cell line B16 F10 cells; B Phase-contrast microscopic images of murine tumor cell line B16 F10 cells after 24 h. treatment negative control (untreated), ADR, and formulations NIO 14 to NIO 17Back to article page