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CLSM images of MCF-7 cells incubated with FP NPs and A-FP NPs 1h or 4h. From top to bottom: DAPI-labeled nuclei, DiI-labeled NPs and the corresponding merged images. (scale bars: 50 μm).
Abbreviations: DAPI, 2-(4-amidinophenyl)-6-indolecarbamidinedihyrochloride; DiI, 1,1-dioctadecyl-3,3,3′,3′-tetramethylindocarbocyanine perchlorate; CLSM, confocal laser scanning microscopy; FCM, flow cytometry; A-FP NPs, AS1411-PLGA@FePc@PFP; FP NPs, PLGA@FePc@PFP.
