Fig. 1From: The impact of anionic polymers on gene delivery: how composition and assembly help evading the toxicity-efficiency dilemmaSynthesis and characterization of the block copolymers. A Synthesis routes of block copolymers. B–D SEC-traces of the respective polymers using a (DMAc + 0.21% LiCl)-SEC with PMMA-calibration. B P(nBA-b-DMAEAm) and the PnBA precursor, C P(nBA-b-tBA-b-DMAEAm) and its precursors, D P(NAM-b-tBA) and its precursor PNAMBack to article page