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Agarose gel electrophoresis (0.8%) of pBSK+ plasmid cleavage by Cu(II) complexes. All reactions were in a final volume of 20 μL, for 1 h at 37 °C. Lanes represent: (p) control plasmid, (1–5) plasmid + copper complex (5, 10, 25, 40, 50 µM); (6–10) plasmid + copper complex (5, 10, 25, 40, 50 µM) each with 50 µM H2O2; (L) 1kb DNA ladder, (lin) plasmid linearised with Eco RI restrictase. (A–C) refer to complex 1, 2 and 3, respectively.
