Figure 12From: Preparation and Characterization of Cationic PLA-PEG Nanoparticles for Delivery of Plasmid DNAGene transfection of pEGFP in Hela cells (×400) (a,b) The transfection results of DNA-PLA-PEG-NPs in absence and presence of serum; (c,d): The transfection results of Lipofectamine 2000 in absence and presence of serum; (e,f): The transfection results of naked DNA in absence and presence of serumBack to article page