Fig. 3From: Synergistic vesicle-vector systems for targeted deliveryConjugation Methods a Freeze–thaw Method. Reprinted from L. Cheng et al., 2021 b Membrane Extrusion Method. Reprinted from Sun et al., 2021 c Simple Incubation. Reprinted from Lin et al., 2018 d PEG-mediated Fusion. Reprinted from Piffoux et al., 2018 e Sonication. Reprinted from Thorsteinsson et al., 2020 f Ligand-based Incubation Method. Reprinted from Jumeaux et al., 2018Back to article page