Fig. 6From: An ultra-stable redox-controlled self-assembling polypeptide nanotube for targeted imaging and therapy in cancerCellular uptake of DOX. a Percentage of cell population positive for DOX internalized at different time points in HeLa cells. b, c Histogram plots comparing percentage of cell population positive for DOX fluorescence at different time points in HeLa and HaCaT cells, respectively. Percentage obtained for treated culture with nanotube-DOX, free DOX and untreated cells (control)Back to article page