Fig. 6From: Effects of the surface charge of polyamidoamine dendrimers on cellular exocytosis and the exocytosis mechanism in multidrug-resistant breast cancer cellsThe amount of PI (a) and FDA (b) in MCF-7/ADR cells after PAMAM dendrimer treatment. The control samples were cells without PAMAM dendrimer treatment. All values in b are relative to the control. * indicates P < 0.05 vs. the control group; mean ± SD, n = 3Back to article page