Fig. 2From: A simple approach for rapid and cost-effective quantification of extracellular vesicles using a fluorescence polarization techniqueQuantification of HT-29 EVs. a The calibration curve of standard EVs (Gray: C12-FAM and Red: FAM). b and c The fluorescence microscopy images (scale bar = 10 μm) obtained from HT-29 EVs with C12-FAM (b) and FAM (c). EVs are in clusters as well as single vesicles and the clusters that are effectively stained with C12-FAM are visualized under the fluorescence microscopy [30]Back to article page