>>> Behnaz Sohrab 3/6/2008 07:31 >>> Blue shift making nuclei over-stained and effecting mucous and stroma of tissues like umbilical cord, membranes. This also appears on our G.I. biopsies? Any one else has seen this ? It is not consistent either. Any suggestion would be appreciate. We do use Leica stainer with gill-III Behnaz Sohrab,Histo supervisor