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Terminal deoxynucleotidyl transferase deoxyuridine triphosphate nick-end labeling (TUNEL) assay. Fluorescent staining of MDA-MB-231 human breast cancer cells after 24 hours’ treatment with silver nanoparticles (AgNPs; 6 μg/mL) and doxorubicin (DOX; 1 μM) using TUNEL assay.
Note: Representative images are shown for apoptotic DNA fragmentation (red staining) and corresponding nuclei (blue staining).
Abbreviations: CON, control; DAPI, 4′,6-diamidino-2-phenylindole.
