Figure 2.

Hybridization signals scaled with respect to PM grid. The intensity of each feature inside the feature block can be normalized taking into account the average signal of four corresponding PM features (green arrows). With this data, illumination gradients are corrected linearly across the feature block.

Trapp et al. BMC Biophysics 2011 4:20   doi:10.1186/2046-1682-4-20
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