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Translocation of phosphatidylserine induced by AgNPs, Ag@PEI, and Ag@PEI@PTX in HepG2 cells.
Note: The upper right quadrant indicated cells in the early stage of apoptosis and lower right shows cells in the late stage of apoptosis or necrosis.
Abbreviations: AgNPs, silver nanoparticles; FITC, fluorescein isothiocyanate; PEI, polyethylenimine; PTX, paclitaxel.
