Table 1.
Analytical characteristics of different electrochemical biosensors for the determination of MLT.
| Electrode | MLT Linear Range | Electrochemical Technique | LOD | Reference |
|---|---|---|---|---|
| AChE–AuNPs–CaCO3–Au–SiSG | 0.1–100 nM | CV | 0.1 nM | [27] |
| AChE-Fe3O4NP-MWCNTs/Au | 0.1–40 nM | Amperometry | 0.1 nM | [12] |
| AChE–SiSG–CPE | 0.07–1.3 ppm | DPV | 0.058 ppm (0.174 nM) | [4] |
| CS/AChE/PB-CS/ERGO-AuNPs-β-CD/GCE | 7.98–2 × 103 pg mL−1 | Amperometry | 4.14 pg mL−1 | [11] |
| Poly(TTP)/AChE/GCE | 9.99–99.01 nM | CV | 4.08 nM | [10] |
| CuO NWs–SWCNTs/GCE | 0.3–1.4 nM | DPV | 0.3 nM | [15] |
| Gly-CuO/GCE/nafion | 1–12 nM | DPV | 0.1 nM | [16] |
| PANI-Nanofibers-SWCNTs Graphite Electrode | 2 × 10−7–14 × 10−7 mol L−1 | DPV | 2 × 10−7 mol L−1 | [3] |
| Mitochondria modified paper based electrodes | 20–60 nM | CV | 20 nM | [32] |
| AuNP-CS-IL/PGE | 0.89–5.94 nM and 5.94–44.6 nM | SWV | 0.68 nM | Present work |
AChE—Acetylcholinesterase; AuNPs—Au nanoparticles; CaCO3—calcium carbonate; SiSG—silica sol–gel; Fe3O4NP—iron oxide nanoparticle; Au—gold electrode; MWCNTs—multiwalled carbon nanotubes; CPE—carbon paste electrode; PANI—polyaniline; PB-CS—Prussian blue-chitosan; ERGO—reduced graphene oxide; β-CD—β-cyclodextrin; GCE—glassy carbon electrode; Poly(TTP)—poly([2,2′;5′,2″]-terthiophene-3-carbaldehyde; CuO NWs—copper oxide nanowires; Gly-CuO—glycine-copper oxide nanowires; CV—cyclic voltammetry; SWV—square wave voltammetry; DPV—differential pulse voltammetry.