Fig. 3
From: Recent advances in immunoassays and biosensors for mycotoxins detection in feedstuffs and foods
Schematic illustration of the electrochemical sensing platforms. (A) Hairpin DNA-based ratiometric electrochemical aptasensor for simultaneous detection of AFB1 and OTA; (B) dual-target electrochemical aptasensor was developed based on co-reduced molybdenum disulfide and gold nanoparticles (rMoS2-Au) modified electrodes. Diagrams A and B are adapted from Ref. [120] and Ref. [122], respectively