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Confocal laser scanning microscopy image of KB cells incubated with F–PLL-coated liposomal DXR for 3 hours at 37°C (A) without or (B) with 5 mM FA in culture medium.
Note: The scale bar represents 10 μm.
Abbreviations: DXR, doxorubicin; FA, folic acid; F-PLL, folate-poly(L-lysine).
