Chitosan-Alginate Nanoparticle System Efficiently Delivers Doxorubicin to MCF-7 Cells

Figure 7

Morphological changes of apoptosis in MCF-7 cells observed under inverted light microscopy exposed to different concentrations of free DOX, DOX Csn-Alg NP, and DOX Csn NP after 24 h, 48 h, and 72 h after incubation.