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Phase contrast and fluorescence images showing the internalization and intracellular distribution of cationic G5-(Fl)-(NH2)122, acetylated G5-(Fl)-(Ac)110, and G5-(Fl)-(Ac)83-(NAcGal)14 conjugates into HepG2 cells visualized at a 20× magnification (scale bar = 100 μm) using a Nikon Eclipse TE2000-U inverted microscope with a Photometrics EMCCD camera and EXFO fluorescent lamp (λex = 488 nm, λem = 512 nm).
