Figure 9: Transfection of COS-7 cells with samples of DEAE-dextran-MMA graft copolymer (grafting rate: 130%) containing 0.075 µg, 0.150µg, or 0.30µg of DNA in comparison with the value calculated for DEAE-dextran-MMA copolymer samples containing 0.075 µg. DNA.