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. 2019 Dec 27;9:19868. doi: 10.1038/s41598-019-56375-1

Figure 1.

Figure 1

Characterization of red blood cell derived extracellular vesicles (REVs). Freeze-fracture combined transmission electron microscopy (FF-TEM) was used to visualize the morphology of REVs (a), size distribution and concentration of REVs was measured by microfluidic resistive pulse sensing (MRPS, b), and Fourier-transform infrared spectroscopy (FTIR) was used to characterize the protein and lipid content of the vesicles (c).