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. 2022 Mar 3;16(2):128–145. doi: 10.1007/s13206-022-00052-5

Fig. 2.

Fig. 2

Schematic illustrations of nanoparticles based on naturally derived polymers. a Chitosan structure, fabrication mechanisms of particles based on chitosan–nucleic acid (reproduced with permission from [24]

Copyright 2019, Marine drugs). b Schematic representation of CNP-generated EVs for targeted nucleic acid delivery (reproduced with permission from [35] Copyright 2019, Nature Biomedical Engineering). c Schematic illustration of Ldlr mRNA encapsulation procedure into the exosomes (reproduced with permission from [37] Copyright 2021, Theranostics)