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The release profile of PTX (a) and ATO (b) from PL-PMSN-PTX/ATO at pH 7.4, 6.5, or 5.0. c Cytotoxicity of PL-PMSN-PTX/ATO and FPL-PMSN-PTX/ATO. d Confocal images and flow cytometry profiles of MCF-7 cells incubated with coumarin-6-loaded nanoparticles of PL-PMSN-PTX/ATO, FPL-PMSN-PTX/ATO, and F56 + FPL-PMSN-PTX/ATO. Scale bar = 20 µm.
