Fig. 6From: Synergistic Enhancement of Antitumor Efficacy by PEGylated Multi-walled Carbon Nanotubes Modified with Cell-Penetrating Peptide TATFluorescence images of MG63 and HUVEC cells incubated with free DOX, DOX-MWCNTs-PEG, and DOX-MWCNTs-PEG-TAT for 2 h at DOX concentration of 10 μg/mlBack to article page