Table 3. Comparison of HRP Immobilization Methods on Solid Supports for H2O2 Sensing.
| support of HRP | technique/reagent | LODs (nM), linear range (μM) | portable | reusable (uses) | stability (months) | sample | refs |
|---|---|---|---|---|---|---|---|
| PDMS-TEOS-SiO2-TMB | spectroscopy/TMB | 400, 1.2–72 | yes | no | 3 | cosmetics | (20) |
| Cu3(PO4)2-3H2O | spectroscopy/TMB | 200, 0–50 | no | no | urine | (34) | |
| PEG | fluorescence/HP green | 9100, 30–300 | no | yes | 1 | cell nutrition medium | (29) |
| UVNPs@PSIOAm | luminescence | 64, 0.1–5 | no | no | serum | (31) | |
| sol–gel | luminescence | -, 100–3000 | no | yes (5) | 2 | contact lenses solutions | (33) |
| PDMS | luminescence | 20, 0.06–10 | yes | yes (60) | 3 | cell culture medium cleaning denture tablet | this work |
| AgNPs/NDs/GCE | amperometry | 10, 0.1–34 | no | no | 1 | commercial eye drops | (12) |
| PGN/GCE-2 | amperometrya | 0.0267, 0.00008–0.664 | no | yes (50) | living cells | (24) | |
| MIL-100(Cr)-B | amperometry | 100, 0.5–3000 | no | yes (100) | 1 | living cells | (26) |
| nafion-nile blue | amperometry | 280, 0.5–1.5 | no | no | no | (27) |
a
Logarithmic calibration.