Table 4 Recovery efficiencies of extremely low E. coli concentrations using the ABCRS (<20 E. coli cells).
Method 1603 (avg. cells) | ABCRS (cells) | Permeate (cells) | Initial concentration (CFU/mL) | Recovery efficiency (%) |
|---|---|---|---|---|
3 | 2 | 0 | 0.005 | 67 |
5 | 4 | 0 | 0.010 | 80 |
8 | 5 | 0 | 0.016 | 63 |
10 | 10 | 0 | 0.020 | 100 |
11 | 8 | 0 | 0.022 | 73 |
11 | 9 | 0 | 0.023 | 82 |
17 | 11 | 0 | 0.033 | 65 |
18 | 9 | 0 | 0.036 | 50 |
Average recovery efficiency (%) | 73 | |||
±Standard deviation (%) | 15 | |||
±Relative standard deviation (%) | 20 | |||
