Table 3.
Antibacterial activity of Ag01 and Ag05 treated against S. aureus
| Time | T0 | T1 | T2 | T3 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r1 | r2 | r3 | r1 | r2 | r3 | r1 | r2 | r3 | r1 | r2 | r3 | |
| Inoculum (CFU/ml)a | 3.8 × 106 | 3.8 × 106 | 3.8 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 | 6.0 × 106 |
| Recovery counts untreated Ag0/T0 (CFU/cm2) | 1.1 × 104 | 1 × 104 | 1 × 104 | 1.4 × 104 | 1.3 × 104 | 1.4 × 104 | 1.5 × 104 | 1.5 × 104 | 1.5 × 104 | 2.2 × 104 | 2.2 × 104 | 2.3 × 104 |
| Validity recovery counts Ag0/T0b | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Recovery counts untreated Ag0/T24hc | 5 × 103 | 3.7 × 103 | 7.5 × 103 | 3.8 × 103 | 7.5 × 103 | 7.5 × 103 | 1.7 × 104 | 1.6 × 104 | 1.7 × 104 | 1.2 × 103 | 8.7 × 103 | 1 × 103 |
| Recovery counts treated Ag0.1/T24h (CFU/cm2) | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | 8 | 7 | 8 |
| Recovery counts treated Ag0.5/T24h (CFU/cm2) | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 | < 1 |
| Antibacterial activity (R)01 | 3.73 | 3.57 | 3.88 | 3.80 | 3.88 | 3.88 | 3.21 | 3.20 | 3.21 | 2.66 | 2.66 | 2.66 |
| Antibacterial activity (R)05 | 3.73 | 3.57 | 3.88 | 3.80 | 3.88 | 3.88 | 3.21 | 3.20 | 3.21 | 3.56 | 3.56 | 3.56 |
a = range 1.0 × 106 CFU/ml – 6.0 × 106 CFU/ml; conditions for a valid test: b = (Lmax–Lmin)/Lmean ≤ 0.2; c > 6.2 × 101 cells/cm2