Fig. 11From: Synergistic Enhancement of Antitumor Efficacy by PEGylated Multi-walled Carbon Nanotubes Modified with Cell-Penetrating Peptide TATFlow cytometric analysis of cell apoptosis using Annexin V-FITC and PI staining. The MG63 cells were treated with DOX-MWCNTs-PEG-TAT at DOX concentration of 10 μg/ml for a 2 h, b 8 h, c 24 h, and d 72 hBack to article page