Table 7.
Comparison of the sensor studies for bacteria detection.
| Reference | Reference | Reference | Reference | Reference | Reference | |
|---|---|---|---|---|---|---|
| Parameters | [120] | [121] | [122] | [123] | [124] | [125] |
| Target | E. coli | E. coli | Endotoxin from E. coli | S. cerevisiae | Bacteria | Marine pathogen sulfate-reducing bacteria |
| Linear dynamic range | 1 × 102–1 × 107 CFU/mL | 0.5–4.0 McFarland | 4.4–5.3 × 10−10 M | 2 × 107–5 × 109 cells/mL | 107 cfu/mL | 1.0 × 104–1.0 × 108 cfu/mL |
| Buffers (Ads, Des) | pH 7.4, NA | pH 7.4, Ethyl alcohol, 1 M lysozyme | HEPES (pH 7.0), NA | pH 6.0, | PBS, NA | 0.2 M PBS buffer (pH 7.4), NA |
| Time | NA | 7 min, 20 min | 3.5 min | 60 min | NA | 6 min |
| Limit of detection | 70 CFU/mL | 3.72 × 105 CFU/mL, 1.54 × 106 CFU/mL | 0.44 ng/mL | 1.0 × 104 cells/mL | NA | 0.7 × 104 cfu/mL |
NA: not available.