Fig. 10From: A sensitive chemiluminescence based immunoassay for the detection of cortisol and cortisone as stress biomarkersCL image of Zebrafish whole-body sample spiked standard cortisol solution (50 ng ml −1) added to ferrocene anti-cortisol antibody immobilized onto modified ITO electrode a without extraction, b with extraction and c fish sample without the addition of standard and without extraction. Scale bar is 0.5 cmBack to article page