Figure 8

Fluorescence images of HeLa cells treated by free curcumin or folic acid-conjugated PAA (FA-CLAP) nanocurcumin showing apoptosis. HeLa cells were treated with different curcumin formulations for 24 h and were stained with acridine orange and ethidium bromide solutions as mentioned in materials and methods and fluorescence images were taken using an inverted fluorescent microscope.