Table 4.
Commercial biosensors and the product details.
| Product name | Analyte | Sensing element | Signaling element | Manufacturer (country) |
|---|---|---|---|---|
| Microtox | Toxicity | Whole-cell | Bioluminescence | Azur Environmental (US) |
| LUMIStox | Toxicity | Whole-cell | Bioluminescence | Hach (US) |
| ToxAlert | Toxicity | Whole-cell | Bioluminescence | Merck (Germany) |
| Catalytic DNA Sensors | Metals | DNAzyme | Fluorescence | Quasar Instruments (US) |
| PETRO RISc Soil Test | TPHs | Enzyme and antibody | Color | Ensys Energy Systems (US) |
| EnvironGard Petroleum Fuels in Soil | TPHs | Enzyme and antibody | Color | Merck Millipore (Germany) |