Table 1.
Characteristics of ECL sensors based on the [Ru(bpy)3]2+/TPA system.
| Sensor Platform | LOD, M | Linear Range, M | RSD, % | Ref. |
|---|---|---|---|---|
| Silica/Eastman-AQ55D/ [Ru(bpy)3]2+ | 1 × 10-7 | 2 × 10-5 – 1 × 10-3 | 1.9 | 5 |
| TiO2/Nafion/[Ru(bpy)3]2+ | 1 × 10-7 | 1 × 10-7 – 1 × 10-3 | 3.9 | 4 |
| V2O5/Nafion/[Ru(bpy)3]2+ | 1 × 10-8 | 5 × 10-8 – 1 × 10-3 | 2.5 | 9 |
| ZrO2/Nafion (on 3D Au structure)/ [Ru(bpy)3]2+ | 5 × 10-10 | 1 × 10-9 – 1 × 10-5 | 0.74 | 8 |
| Pt NPs/Eastman-AQ55D / [Ru(bpy)3]2+ | 1 × 10-15 | – | 0.6 | 21 |
| Fe3O4 NPs/Nafion/[Ru(bpy)3]2+ | 5 × 10-8 | 1 × 10-7 – 1 × 10-3 | 3.9 | 27 |
| Fe3O4 NPs/Silica/[Ru(bpy)3]2+ | 6.5 × 10-9 | 6.9 × 10-8 – 7.3 × 10-4 | 0.5 | 26 |
| SNPs/[Ru(bpy)3]2+ | 1 × 10-8 | 2.6 × 10-8 – 1.3 × 10-3 | 5.2 | 20 |
| [Ru(bpy)3]2+ SNPs/chitosan | 2.8 × 10-9 | 8.5 × 10-9 – 8.1 × 10-5 | – | 28 |
| [Ru(bpy)3]2+ SNPs/CNTs | 2.8 × 10-9 | 8.5 × 10-9 – 7.9 × 10-4 | – | 29 |
| Nafion/CNTs/[Ru(bpy)3]2+ | 1 × 10-9 | 3 × 10-9 – 1 × 10-4 | <10 | 6 |
| PSP/CNTs/[Ru(bpy)3]2+ | 6 × 10-9 | – | – | 38 |
| Nafion/CNTs/TiO2/[Ru(bpy)3]2+ | 1 × 10-8 | 5 × 10-8 – 1 × 10-3 | <4 | 39 |