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Micrographs of Molt-3 cells incubated with cIBR-NP or NP in the presence of Texas red-dextran. Intracellular trafficking of cIBR-NPs and NPs (green) to lysosomal compartments (red) of Molt-3 cells. The colocalization (yellow fluorescence) of cIBR-NPs with lysosomes was generally not observed over 24 hrs, whereas colocalization of NPs with lysosomes was first observed at 6 hrs and slowly increased over 24 hrs.
