Fig. 1

The morphology and particle size of CPT-11-loaded DSPE-PEG₂₀₀₀ liposome. A The morphology of CPT-11-loaded DSPE-PEG₂₀₀₀ targeting EGFR liposome; B CPT-11-loaded DSPE-PEG₂₀₀₀ liposome; C the particle size of CPT-11-loaded DSPE-PEG₂₀₀₀ liposome targeting EGFR. CPT-11-Lipo: CPT-11-loaded DSPE-PEG₂₀₀₀ liposome; EGFR-Lipo-CPT-11: CPT-11-loaded DSPE-PEG₂₀₀₀ liposome coated with anti-epidermal growth factor receptor (EGFR) antibody