Fig. 3. Characterization of FITC-LPS probe. CHO-CD14 cells were incubated with no FITC-LPS probe (A), 10 ng ml^-1 of FITC-LPS probe (B), or with 10 ng ml^-1 of FITC-LPS in the presence of 100x excess of unlabelled LPS (C). 10,000 cells were analysed for fluorescence on a FACalibur flow cytometer. The histograms display relative cell numbers (y axis) as a function of relative fluorescence intensities (x axis).

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