Fig. 5From: Peptide-Mediated Tumor Targeting by a Degradable Nano Gene Delivery Vector Based on Pluronic-Modified PolyethylenimineCytotoxicity of polyplexes at various concentrations in a HeLa, b HepG2, and c NIH 3T3 cells. The cells were incubated using different polyplexes for a time period of 24 h (mean ± SD, n = 6)Back to article page