Fig. 11
From: Quantum dots as targeted doxorubicin drug delivery nanosystems in human lung cancer cells
DNA damage of A549 cells after 24 h of treatment with the compounds at IC50, detected by the comet assay. Images were obtained from a fluorescent microscope. QD Ag–In–Zn–S nanocrystals modified with: 11-mercaptoundecanoic acid (MUA), Cys L-cysteine, LA lipoic acid, FA folic acid, DOX doxorubicin