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. 2021 Mar 23;22(6):3277. doi: 10.3390/ijms22063277

Figure 3.

Figure 3

(A) Demonstration of step-by-step fabrication of the GO-based biosensor (antibody-Au NPs-polypyrrole/electrochemically reduced GO-screen printed carbon electrode) and (B) electrochemical immunosensing of the system employed for the detection of mycotoxins through DPV signals [135].