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. 2021 Mar 25;9:637248. doi: 10.3389/fcell.2021.637248

FIGURE 1.

FIGURE 1

Exosome identification. (A) Expression of exosomal markers was determined by Western blotting. (B) Representative images showing morphology of exosome (red arrow) under transmission electron microscopy. (C) Nanoparticle size distribution measured by NTA. n = 3.