Figure 7

Apoptotic analysis via Annexin V-FITC/PI assay, resolution by flow cytometry, for MDA-MB-231 cells treated with blank (PAA-b-PCL-SS-PCL-b-PAA) NPs, free DOX and DOX-loaded (PAA-b-PCL-SS-PCL-b-PAA) NPs, unstained cells, and Annexin-V/propidium iodide double-stained cells were considered as control.