Table 2. Comparison of Colorimetric Biosensors for the Detection of H2O2 with Some Recently Reported Studies.
| s. no. | materials used | method applied | limit of detection (μM) | linear range (μM) | references |
|---|---|---|---|---|---|
| 1 | RhNPs | colorimetric | 0.75 | 5–125 | (49) |
| 2 | AgNPs/GQDs | colorimetric | 0.162 | 0.5–50 | (41) |
| 3 | Fe3S4-MNPs | colorimetric | 0.16 | 2–100 | (50) |
| 4 | Fe2(MoO4)3-F | colorimetric | 0.7 | 1–30 | (51) |
| 5 | NiFe LDH | colorimetric | 4.4 | 10–500 | (52) |
| 6 | β-CD/Cu-NCsa | colorimetric | 0.2 | 0.02–10 | (53) |
| 7 | NiO NPs | colorimetric | 8 | 20–100 | (32) |
| 8 | CeO2 NPs | colorimetric | 0.5 | 0.6–1.5 | (54) |
| 9 | [Pyr]Ac-NiO | colorimetric | 120 | 400–4000 | (46) |
| 10 | TiO2 NPs | colorimetric | 0.086 | 0.001–0.36 | present work |