Fig. 3

EGF targeting of payload bearing nanoparticles. a Schematic figure of EGF-HPPS. EGF-HPPS consists of phospholipids, peptides, cholesteryl oleate (CO), DiR-BOA cargo, and EGF. b Three-dimensional imaging of uptake of EGF(DiR-BOA) HPPS by EGFR-GFP-A549 cells