Fig. 3From: Changes in the levels of free sialic acid during ex vivo lung perfusion do not correlate with pulmonary function. Experimental modelLung tissue. Immunostaining with diaminobenzidine (DAB) (brown color). Positive immunolabeling in respiratory epithelium. A, B) Kinetics of 120 min of EVLP of group I Steen; and C, D) group LPDA, where positive immunolabeling is observed in the cytoplasm of the respiratory epithelium; E) salivary gland tissue used as positive control and F) shows the number of Sia-positive pixels in both study groups. Scale bar 20 μmBack to article page