Table 3.
Effect of inoculum size on the dynamics of antibacterial activity of Aze 50 & 100 μg/ml against S. aureus Sa103 and E. coli Ec103 isolates by viable count technique at 37°C
| Organism | Aze Conc. μg/ml | Time, h | Inoculum Size (cells/ml) | ||
|---|---|---|---|---|---|
| ~103 | ~105 | ~107 | |||
| Log Plating Efficiency | |||||
| Sa103 | 50 | 3 | -0.125 | -0.501 | -0.495 |
| 6 | -0.500 | -1.710 | -0.806 | ||
| 24 | -2.624 | -0.885 | -0.986 | ||
| 100 | 3 | -1.246 | -0.692 | -0.732 | |
| 6 | -1.830 | -1.820 | -1.533 | ||
| 24 | -3.584 | -1.381 | -1.361 | ||
| Ec103 | 50 | 3 | -0.371 | -0.068 | -0.051 |
| 6 | -0.911 | -0.051 | 0.067 | ||
| 24 | -0.100 | -0.033 | -0.060 | ||
| 100 | 3 | -0.688 | -0.402 | -0.153 | |
| 6 | -1.251 | -1.302 | -0.514 | ||
| 24 | -0.913 | -0.492 | -0.557 | ||