Fig. 1
The identification and characteristics of ADSCs-EV. a Membrane vesicles were observed under Transmission Electron Microscope (TEM). b Western blot confirmed the expression of ADSCs-EV markers (CD63, CD9). c The average hydrodynamic diameters of ADSCs-EV and Cy7-EV-N3. b The zeta potential of ADSCs-EV and Cy7-EV-N3. e The changes of hydrodynamic diameters of ADSCs-EV at 4℃ over 8 days. f The changes of zeta potential of ADSCs-EV at 4℃ over 8 days