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Cytotoxicity of F–PLL-coated liposomal DXR or PLL-coated liposomal DXR against (A) KB cells and (B) A549 cells.
Notes: Cells were incubated with liposomes in folate-free medium for 2 hours, then in fresh medium without the drug for 48 hours at 37°C. Data indicate the mean ± SD (n = 6).
Abbreviations: DXR, doxorubicin; F-PLL, folate-poly(L-lysine).
