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Various enzymes for gas detection.
| Gases | Enzyme | LOD | Materials | Ref. |
|---|---|---|---|---|
| Acetone | Secondary alcohol dehydrogenase | 0.25 ppm | - | [12] |
| Ethanol | Alcohol oxidase | 46 ppb | Hydrogel | [25] |
| Phenol | Polyphenol oxidase | 29 ppb | Hydrogel | [65] |
| Hydrogen peroxide | Catalase | - | Polyvinyl alcohol | [66] |
| Ethanol | Alcohol oxidase | 55 ppb | - | [67] |
| Methyl mercaptan | Monoamine oxidase | - | - | [68] |
| Formaldehyde | Alcohol oxidase | 0.15 ppm | Poly(allylamine) | [69] |
| Toluene | Butyrylcholinesterase | - | Polyvinyl alcohol | [70] |
