Fig. 5From: Dual-labeled nanoparticles based on small extracellular vesicles for tumor detectionOptical uptake of dual-sEVs by confocal microscopy in RAW 264.7, HeLa, and U87 cells at 5 min, 1 h, 4 h, and 24 h after the administration of 5 μg/mL of dual-sEVs. Blue, DAPI; red, phalloidin; and white, dual-sEVsBack to article page