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Immuno-magnetic isolation of cells labelled with FeOx-NP-Pdots. (A) Manipulation of FeOx-NP-Pdots dispersed in aqueous solution with a permanent magnet. (B) Schematic showing the bioconjugation of FeOx-NP-Pdots to streptavidin for labelling the cell-surface protein, EpCAM. (C) Immuno-magnetic separation of cells labelled with FeOx-NP-Pdots with a permanent magnet. Images to the right show an isolated cell. Scale bar represents 5 µm.
