Electrochemical Sandwich Immunoassay for the Ultrasensitive Detection of Human MUC1 Cancer Biomarker
Figure 4
Differential pulse voltammograms of 2 mM acetaminophen in 0.1 M PBS (pH 7.4) containing 4 mM H2O2 registered with Ab1-BSA/Ag/Ab2/Ab3 modified MBs for different concentrations of MUC1 protein (1–5 correspond to 0, 2, 3, 4, and 5 ppb of MUC1).
