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. 2020 Oct 17;21(20):7688. doi: 10.3390/ijms21207688

Figure 4.

Figure 4

Properties of EVs useful in serving as drug delivery systems. These EVs consist of a lipid bilayer and an aqueous core, as they can incorporate hydrophilic drugs, hydrophobic drugs, nucleic acids (DNA, RNA), and proteins, as well as compounds (targeting ligands, covalent bonding, and imaging agents) that can be specifically attached to surfaces of EVs.