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Comparison of attachment of immunomagnetic beads conjugated with either BerEP4 or EMA antibodies to head and neck squamous cell carcinoma cell lines. Detroit 562, FaDu, SCC-9 and SCC-15 cells were resuspended in phosphate buffered saline and incubated with labelled beads for 1 h before samples were viewed using a light microscope. The number of cells with beads attached and the number of beads attached per cell were counted by eye at 10× magnification.
