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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Lab Chip. 2010 Oct 14;11(1):147–151. doi: 10.1039/c0lc00149j

Figure 5.

Figure 5

Detection of rare cells with the self-assembled magnetic filter. (a) A suspension of leukocytes (stained green) and tumor cells were incubated with a mixture of magnetic beads conjugated with anti-CD45 antibodies and fluorescent antibodies to the tumor (anti HER2/neu). The suspension was flown through the self-assembled magnetic filter and concentrated on an integrated micropore filter. (b) Fluorescence micrographs of the suspensions before passing through the filter and after, concentrated on the micropore filter. The initial concentration of tumor cells to leukocytes was varied from 1/10, 1/100, to 1/1000.