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Biodistribution analysis by fluorescence imaging.
The tumor-bearing mice (n=6) were intravenously injected with PEG-L or AG73-L (lipid concentration: 10 μmol/kg). At 6 h after injection, each tissue was dissected, and sections were then prepared in slices with widths of 10 μm each. These sections were observed using a fluorescence microscope. Scale bars represent 50 μm.
