Figure 1.

Bicoid profile from FlyEx embryo ms18 after background removal. (A) The spatial index j (μm/5) is the index of 5 μm bins. The fluorescence intensity Ij (circles) were fit to an exponential F[Ij] = a exp(-j/λ) (solid line) with two scaling index lines 1.5F[Ij] and 0.5F[Ij] (dashed). The fluorescence intensity were then converted into log scale in panel (B).

Wu et al. BMC Systems Biology 2007 1:52   doi:10.1186/1752-0509-1-52
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