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a pDNA transfection assays. Non-PEGylated or PEGylated DOTAP/chol lipoplexes containing 0.3 μg pDNA were added to SK-OV-3 cells and analyzed by flow cytometry after a 48-h treatment. b Oligonucleotide (oligo) transfection assays. SK-OV-3 cells were treated with non-PEGylated and PEGylated DOTAP/chol lipoplexes containing 1 μg FAM-labeled oligonucleotide. Data are presented as mean ± SD (n = 3)
