However, for sEVs labeled with PbS QDs, regardless of the tumor models, their accumulation in the tumor showed a trend of first increasing and then decreasing, with peaks concentrated around 4–8 h.
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However, for sEVs labeled with PbS QDs, regardless of the tumor models, their accumulation in the tumor showed a trend of first increasing and then decreasing, with peaks concentrated around 4–8 h.