Fig. 4: Production and analytical characterization of native EV and ANH-encapsulated EV (EV-ANH).

A, B Characterization of MSCs, Scale bar: 200 μm and 100 μm. C Isolation workflow for MSC-derived exosomes. D TEM and NTA visualization of EV architecture Scale bar: 200 nm. E WB quantification of EV markers. F TEM and NTA visualization of the EV-ANH architecture. G Concentration-dependent loading capacity and efficiency of ANH.