Fig. 3From: Functionalized Folate-Modified Graphene Oxide/PEI siRNA Nanocomplexes for Targeted Ovarian Cancer Gene TherapyThe siRNA-loading capability at different weight ratios. Agarose gel retardation assay was conducted to evaluate the interaction between siRNA and nanocarrier. a PEG-GO-PEI and b PEG-GO-PEI-FA at the various weight ratios (materials/siRNA)Back to article page