Fig. 2
From: ROS triggered local delivery of stealth exosomes to tumors for enhanced chemo/photodynamic therapy
Construction and characterization of Stealth Exo. A Synthesis process for mPEG2K-TK-CP05. B 1H NMR spectra ((DMSO as solvent) of mPEG2K-TK-CP05. C Schematic diagram of the experimental procedure of Stealth Exo engineering. D Representative images of TEM analysis of Natural Exo and Stealth Exo. Scale bar = 100 nm. E Particle size distribution of Natural Exo and Stealth Exo as measured by DLS. F Western blot analysis of specific exosome marker proteins CD63, TSG101, CD81 and exclusive exosomal marker GM130 on donor cells, derived Natural Exo and Stealth Exo. GAPDH served as internal control. G Zeta potentials of Natural Exo and Stealth Exo