Fig. 6From: In vitro study on antioxidant and lipid-lowering activities of tobacco polysaccharidesThe identification of exosomes from HepG-2 cells. a Particle-size analysis showing that the particle size of each exosome ranged from 50 to 150 nm; b HepG2 cell exosomes of different groups observed by TEM at the scale of 200 nm; c Expression levels of CD9, CD63, and TSG101 determined by Western blotBack to article page