932719.fig.006a
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932719.fig.006b
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932719.fig.006c
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932719.fig.006d
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Figure 6: The HepG2 cells treated with DPPE-liposomes containing 100 mM CF (surface charge ca.  mV) showed pronounced increase of CF fluorescence in the cytoplasm, implicating that avid cell uptake of liposomes took place after the treatment. The scale bar is 10  m.