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Characterization of iPSC-Exo. (A) Nanoparticle tracking analysis (NTA) result of iPSC-Exo. Mean diameter of iPSC-Exo was 85.8 nm. (B) The transmission electron microscopy (TEM) image of iPSC-Exo morphology (scale bar = 100 nm). (C) Dynamic light scattering (DLS) data for iPSC-Exo. The mean value for zeta potential of iPSC-Exo was −15.6 mV.
