Fig. 2From: Synergistic Enhancement of Antitumor Efficacy by PEGylated Multi-walled Carbon Nanotubes Modified with Cell-Penetrating Peptide TAT a The SEM image of oxidized MWCNTs. b The FTIR spectra of raw MWCNTs and oxidized MWCNTs. c The Raman spectra of raw MWCNTs and oxidized MWCNTs. d The TGA results of raw MWCNTs and oxidized MWCNTs in nitrogen atmosphereBack to article page