Figure 29.

(A) GCE/chitosan/AuNP/anti-AFB1/AFB1/anti-AFB1/MB/catechol immunoensor; (B) DPV recorded for GCE/chitosan/AuNP/anti-AFB₁/BSA/AFB₁/anti-AFB₁/catechol–Au–Fe₃O₄ immunoelectrode as a function of AFB₁ concentration from 0 ng mL⁻¹ to 110 ng mL⁻¹ in pH 7.0 (scan rate 50 mV s⁻¹). Reprinted from [154], Copyright 2013, with permission from Elsevier;