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Representative images of DNA fragmentation and nuclear condensation.
Note: Fragmentation and condensation caused by 24-hour treatment of Pt complex (12 μM) and Tf-NGO@Pt (6 and 12 μM), as detected by TUNEL assay and DAPI staining. Magnification ×200.
Abbreviations: Tf, transferrin; NGO, nanographene oxide; TUNEL, terminal deoxynucleotidyl transferase dUTP nick end labeling; DAPI, 4′,6-diamidino-2-phenylindole.
