Table 1 Comparison of the efficiency of some modified electrodes used in the electrocatalysis of methyldopa
Electrode | Modifier | Method | pH | Dynamic range (M) | Limit of detection (M) | Reference |
|---|---|---|---|---|---|---|
Carbon paste | Ferrocene monocarboxylic acid | Voltammetry | 7.0 | 2.0 × 10−7 to 1.0 × 10−4 | 8.0 × 10−8 | Molaakbari et al. ([2014]) |
Glassy carbon | Pt-Ru nanoparticles | Voltammetry | 3.0 | 5.0 × 10−8 to 4.0 × 10−5 | 1.0 × 10−8 | Shahrokhian and Rastgar ([2011]) |
Carbon paste | Cellulose acetate/ionic liquids | Voltammetry | 5.5 | 3.48 × 10−5 to 3.7 × 10−4 | 5.5 × 10−6 | Moccelini et al. ([2011]) |
Carbon nanotube paste | 5AEB | Voltammetry | 8.0 | 1.0 × 10−7 to 2.1 × 10−4 | 4.8 × 10−8 | Tajik et al. ([2013a]) |
Graphene paste | 2,7-BF | Voltammetry | 7.0 | 8.0 × 10−8 to 5.0 × 10−4 | 5.0 × 10−8 | This work |