Figure 2From: Quantitative image analysis of immunohistochemical stains using a CMYK color modelSTAT3 activation in EGF-stimulated tumor tissue. (A) Yellow channel image analysis was performed on consecutive sections detecting p-STAT3 labeled with each of the three chromogens and counterstained with hematoxylin. (B) An increase in p-STAT3 was detected by Western blotting.Back to article page