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In vitro cytotoxicities of (a) PEI25K and nanoparticles from (b) mPEG-P(LA4-co-GA9)2, (c) mPEG-P(LA12-co-GA9)2, (d) mPEG-P(LA24-co-GA8)2, and (e) mPEG-P(LA45-co-GA15)2 toward HeLa cells.
Note: Data are presented as mean ± SD (n = 6).
Abbreviations: PEI, polyethylenimine; mPEG, monomethoxy poly(ethylene glycol); P(LA-co-GA), poly(L-lactide-co-glycolide); HeLa, Henrietta Lacks; SD, standard deviation.
