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Fig. 3 | Journal of Analytical Science and Technology

Fig. 3

From: A sensitive chemiluminescence based immunoassay for the detection of cortisol and cortisone as stress biomarkers

Fig. 3

a Image of an ITO electrode taken with the digital camera showing the three separated circle containing immobilized ferrocene tagged anti-cortisol antibody, b images of blank after the addition of luminol/hydrogen peroxide mixture, c CL image of the blank after the incubation of 50 ng ml−1 cortisol hormone. Scale bar for image A is 5 cm, and B and C are 0.5 cm.

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