Figure 2

SEM image of the electrospun sample prepared from PVP-based precursor solutions containing medium-sized Extracellular Vesicles (mEV) (magnification: 2500×) (A) and fiber diameter distribution of sample (B).

SEM image of the electrospun sample prepared from PVP-based precursor solutions containing medium-sized Extracellular Vesicles (mEV) (magnification: 2500×) (A) and fiber diameter distribution of sample (B).