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Image of agarose gel electrophoresis assays of plasmid DNA (4.1 kbp). Lanes 1, 2, and 3 were loaded with 64 mg, 128 mg, and 320 mg of DNA, respectively. Lane M: DNA molecular-weight marker. The gel was poststained by probe 11 (50 µM) for 60 min. The arrow indicates the direction of DNA migration [78].
