Table 2.
An overview of recent electrochemical sensors for CGA determination, using nanomaterials and/or nanocomposites.
| Electrochemical Methods | Electrode Material | Linearity Range (mol·L−1) | LOD (mol·L−1) | Application | Reference |
|---|---|---|---|---|---|
| DPV | MWCNTs/SPE | 4.8 × 10−4–4.4 × 10−2 | 3.38 × 10−4 | Coffee beans | [86] |
| DPV | DMC/BMIM.PF6/CPE | 2.00 × 10−8–2.50 × 10−6 | 1.00 × 10−8 | Herbal extracts of Calendula officinalis and Echinacea purpurea | [85] |
| DPV | AuNps@TAPB-DMTP-COFs/GCE | 1.00 × 10−8–4.00 × 10−5 | 9.50 × 10−9 | Coffee, fruit juice and herbal extracts | [87] |
| Differential Pulse Voltammetry (DPV) WE | MWCNTs/CuONPs/LGN/GCE | 5.00 × 10−3–5.00 × 10−2 | 1.25 × 10−5 | Coffee | [88] |
| Differential Pulse Voltammetry (DPV) WE) | ZnO@PEDOT:PSS/GCE | 3.00 × 10−8–4.76 × 10−4 | 2.00 × 10−8 | Coffee powder, soft drink | [89] |