fig18

Figure 18. Lung-selective lipid nanoparticle systems^[71]. (A) Structural formula and schematic diagram of each component of lung-selective and liver-selective LNPs; (B) Schematic diagram of lung-selective and liver-selective LNPs. (C) TEM results: upper image (Lung-LNPs) and lower image (Liver-LNPs). LNP: Lipid nanoparticle. DOPE: dioleoylphosphatidylethanolamine; DSPC: 1,2-distearoyl-sn-glycero-3-phosphocholine; PEG: polyethylene glycol; TEM: transmission electron microscopy.