Fig. 4From: Doxorubicin-loaded liposomes surface engineered with the matrix metalloproteinase-2 cleavable polyethylene glycol conjugate for cancer therapyFluorescence microscopy of C26 cancer cells treated with the free Dox (10 µg/mL) or Dox-loaded liposomal formulations after 3 h incubation at 37 °CBack to article page