“…4,37,38 They have been extensively used for detecting different types of substances such as drugs, sweat ions, bioactive molecules, pesticides, dyes, mycotoxins, and heavy metals. 8,[39][40][41][42][43] Basically, electrochemical sensors convert chemical reactions of the targeted substances into electrical impulses with variations in potential, current, impedance, and conductivity. 44 These variations are used as electrochemical signals to investigate the composition and/or concentration of the targeted substances.…”