Figure 1From: Biscarbamate cross-linked low molecular weight Polyethylenimine polycation as an efficient intra-cellular delivery cargo for cancer therapy Agarose gel electrophoresis result of the PEI-Bu polyplex. Polyplex formed from polymer to siRNA at N/P ratio of 3.84, 7.67, 23.01, 38.35, 76.7, 115.05, 153.4.Back to article page