Table 1.
Developed biosensors for formaldehyde detection in previous studies and in the present work
| Bioelectrode/matrix | Linearity/detection range | Detection limit | Long term stability (days) | Reference |
|---|---|---|---|---|
| Alcohol oxidase on acryloxysuccinimide-modified acrylic microspheres | 0.3–316.2 mM | 0.3 mM | 48 | Ling and Heng (2010) |
| Carbon electrode modified with chitosan and gold nanoparticles | 0.01–10 mg/L | 0.1 mg/L | – | Noor Aini et al. (2016) |
| Carbon electrode modified with polypyrrole and CNT | 1–360 mg/L | 0.1 mg/L | 15 | Wang et al. (2012) |
| FDH/CNT–Fe3O4/ITO | 0.05–0.50 mg/L | 0.05 mg/L | 77 | Present work |