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Biological performance of PR+:siRNA complexes. (A) Relative cell viabilities PR+ and bPEI as a function of amine densities in 10% serum-supplemented media; (B) relative cellular uptakes of PR+ and bPEI with L2k as positive control; and (C) in vitro GFP knockdown efficiencies of 2k, 3.4k and 10k PR+:siRNA complexes in 10% serum-supplemented media with L2k and bPEI as controls.
