Fig. 4
Cytotoxicity study of 131I-fulvestrant-ALA-PFP-FA-NPs: A Flow cytometry analysis of apoptosis in different cell groups. B Semi-quantitative analysis of apoptosis in different cell groups. C Cell viability assessment of different cell groups using CCK-8 assay. a: PBS, b: Fulvestrant, c: 131I-fulvestrant, d: 131I-fulvestrant-PFP-NPs,e: 131I-fulvestrant-PFP-FA-NPs, f: 131I-fulvestrant-ALA-PFP-FA-NPs(Values are means ± s.d., n = 3)