Fig. 2From: Exosome origin determines cell targeting and the transfer of therapeutic nanoparticles towards target cellsCharacterization of MSCs-EXOs produced in the absence of HGNs. a Representative TEM images of an exosome sample isolated from MSCs cells supernatants. In the bottom image the double lipid membrane is clearly visible. b Size distributions derived from TEM images (above) and from DLS (bottom). c NTA results of MSCs_EXOs in PBSBack to article page