TABLE 4.
Incubation period or wk | CFU/cm2 (fold increase) of cells grown on indicated surfacea
|
|||
---|---|---|---|---|
Glass
|
Copper | Galvanized beads | ||
Expt 1 | Expt 2 | |||
Attachment | 1.1 × 105 | 4.2 × 104 | 3.0 × 104 | 6.0 × 103 |
1 | 5.6 × 105 | 1.0 × 105 | 9.2 × 105 | 1.3 × 106 |
2 | 6.8 × 105 | 4.2 × 105 | 1.4 × 106 | 2.6 × 106 |
3 | 3.4 × 105 | 8.4 × 105 | 1.9 × 106 | 5.6 × 106 |
4 | 3.0 × 105 (2.5) | 1.0 × 106 (24) | 3.6 × 106 (120) | 5.0 × 106 (833) |
Average of two independent experiments.