Figure 3.
Differential pulse voltammograms at MWNT-Cu-PP-MNP-AptC for different cortisol concentrations in 0.1 M KCl, 10 mM phosphate buffer (pH 7.0) (a–f: 500 pM, 1, 10, 20, 40, 100, 200 nM) Inset: Cortisol concentration vs Output current.
Differential pulse voltammograms at MWNT-Cu-PP-MNP-AptC for different cortisol concentrations in 0.1 M KCl, 10 mM phosphate buffer (pH 7.0) (a–f: 500 pM, 1, 10, 20, 40, 100, 200 nM) Inset: Cortisol concentration vs Output current.