Table 1. Electroanalytical characteristics of pharmaceuticals .
Drug |
Type of electrode |
Oxidation potential, V |
Concentration range |
Limit of detection |
Acetaminophen (paracetamol) |
SPE/CNT* |
0.35 ± 0.02 |
100 nM – 100 µM |
40 nM |
Diclofenac |
SPE/CNT* |
0.53 ± 0.02 |
0.1 – 50 µM |
35 nM |
Ibuprofen |
SPE/CNT* |
0.97 ± 0.03 |
0.5 – 10 mM |
0.3 mM |
Erythromycin |
GCE/AB **[33] |
0.77 ± 0.03 |
0.2 – 10 µM |
0.08 µM |
Omeprazole |
SPE/CNT* |
0.70 ± 0.03 |
50 µM – 1 mM |
17 µM |
Note. *SPE/CNT screen-printed electrode/carbon nanotubes **GCE/AB - glassy carbon electrode/acetylene black