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Cytotoxicity assay results of the anti-EpCAM-UCNPs-Ce6 nanoplatform. (a) Cell viability of LO2 cells following 24 h coincubation with different concentrations of anti-EpCAM-UCNPs-Ce6/UCNPs/UCNPs-Ce6. (b) Cell viability of LO2 cells incubated with differing doses of anti-EpCAM-UCNPs-Ce6/UCNPs/UCNPs-Ce6 for 48 h.
