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Apoptosis: HeLa cells seeded on coverslips were treated with 10 µg mL−1 of PtNPs, PdNPs, and Pt-PdNPs for 48 hours, and then stained for Annexin V-FITC and PI.
Note: Inset represents scale bar equivalent to 20 µm.
Abbreviations: PdNPs, palladium nanoparticles; PI, propidium iodide; PtNPs, platinum nanoparticles; Pt–PdNPs, platinum–palladium bimetallic nanoparticles; DAPI, 4′,6-diamidino-2-phenylindole; FITC, fluorescein isothiocyanate.
