Table 1.
Performance comparison of different modified electrodes for SY detection.
| Modified Electrode | Sensitivity (μA/μM) | Repeatability (RSD%) | Reproducibility (RSD%) | Stability | Interferences | Recovery (%) | References |
|---|---|---|---|---|---|---|---|
| CTAB-MMT-Ca/CPE | 20.31 | poor repeatability | 3.9 | - | 1 mM vitamin C, glucose, glycine, citric acid, benzoic acid; 1 μM Tartrazine, quinoline yellow; 5 μM sudan red, amaranth had no interference |
- | [10] |
| Au-RGO/GCE | 0.496 | 2.56 | 5.32 | 20 days | 0.5 mM of NaCl, MgCl2, NaNO3, Fe (NO3)3, glucose, tartrazine and new coccine had no interference | 99.24–101.94 | [11] |
| ERGO-AuNRs/GCE | 0.0334 | 3.5 | 8.1 | 21 days | 60 μM Zn2+, Cu2+, Mg2+, Ca2+, Fe3+, Cl−, NO3−, H2PO4−, HCO3−, HPO42−, CO32−; 12 μM glucose, saccharin, sucrose, glycine, citric acid, ascorbic acid; 6 μM quinoline yellow; ponceau 4R had no interference | 89.4–108.8 | [12] |
| CTAB-Gr-Pt/GCE | 2.5481 | - | - | - | 1.0 mM citric acid, benzoic acid, glucose; 0.2 mM tartrazine, amaranth, allura red had no interference | 96.25–98.25 | [13] |
| GO/MWCNTs/GCE | 0.4636 | 3.7 | - | 30 days | 0.1 mM Cu2+, Zn2+, Na+, Cl−, K+, Mg2+, SO42−, Ca2+, CO32−, NH4+, NO3−; 10 μM uric acid, urea, glucose, oxalate, glycine, alanine, L-cysteine, L-tyrosine, L-glutamine, L-serine, valine had no interference | 101.5–104.0 | [14] |
| ZnO/Cysteic acid/GCE | 2.81 | 2.55 | 4.46 | 30 days | 1.0 mM NH4+, Ca2+, Fe3+, Al3+, Zn2+, Mn2+, Mg2+, Br2212, CO32−, SO42−, 0.2 mM starch, sucrose, glucose, uric acid, vitamin B2, vitamin B6, ascorbic acid, dopamine, citric acid; 20 μM amaranth, allura red and quinolone yellow had no interference | 95.7–101.3 | [15] |
| PDDA-Gr-(Pd-Pt)/GCE, PDDA-Gr-(Pt-Cu)/GCE, PDDA-Gr-(Co-Ni)/GCE | - | - | - | - | 5.0 mM Mg2+, K+, Ca2+, Zn2+, Cl−, SO42−, NO3−; 0.5 mM citric acid, glucose, ascorbic acid; 0.01 mM allura red, amaranth had no interference | 95.3–103 | [16] |
| Chit-Gr/GCE | 0.018 | 3.5 | - | - | 1.0 μM citric acid and ascorbic acid had no interference | 92.65–97.00 | [17] |
| MnO2 NRs-ERGO/GCE | 4.0802 | 2.56 | 5.32 | 14 days | 1.0 mM Zn2+, Cu2+, Fe3+, Ca2+, Mg2+, Cl−, NO3−, SO42−, CO32−, glucose, oxalate, sucrose, glycine, alanine, L-cysteine, L-glutamine, L-serine, caffeine, benzoic acid; 0.5 mM vitamin C; 20 μM amaranth, allura red, brilliant blue, and 10 μM tartrazine, quinoline yellow | 97.7–102.8 | This work |