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Nanoceria-facilitated fluorigenic determination of the expression of EpCAM, an important cancer biomarker, on breast cancer cells. a) MCF-7 cells overexpressing EpCAM on their surface were successfully quantified using an EpCAM antibody-Protein G-PNC conjugate. b) Non-EpCAM expressing HEK293 cells (negative control) did not show any significant signal when incubated with the EpCAM antibody-Protein G-PNC conjugate.
