Results of the preconcentration experiments. The inflow and outflow (waste) fractions are analyzed for the presence of viable bacteria by the plate-count method. The experiment was carried out at a flow-rate of 20 μl min−1 and a DC voltage of 100 V. n = 3.
| Plate Count | |
|---|---|
| CFUinflow (ml−1) | 6.22 × 106 ± 6.05 × 105 |
| Inflow sample vol. (μl) | 500 |
| CFUoutflow (ml−1) | 8.19 × 103 ± 5.32 × 103 |
| Reduction in sample volume | 100-fold |
| EFCFU | 99.86% ± 0.093 |