Table 4: MIC changes of ciprofloxacin and nalidixic acid before and after addition of PAβN for 8 Enterobacter , 8 Proteus.
* isolates which selected for PCR screening.
| Isolate | Ciprofloxacin (mg/ml) | Nalidixic acid (mg/ml) | | |
| _ PβNA | + PβNA | _ PβNA | + PβNA |
| En1* | 73.33 | <1.1457 | >146.66 | <1.1457 |
| En2* | 146.66 | <1.1457 | >146.66 | <1.1457 |
| En3 | 18.33 | <1.1457 | >146.66 | <1.1457 |
| En4 | >146.66 | >146.66 | >146.66 | >146.66 |
| En5 | >146.66 | >146.66 | >146.66 | >146.66 |
| En.6 | >146.66 | >146.66 | >146.66 | >146.66 |
| En7 | >146.66 | >146.66 | >146.66 | >146.66 |
| En8* | <1.1457 | <1.1457 | <1.1457 | <1.1457 |
| P1 | 36.665 | 9.1663 | >146.66 | 9.1663 |
| P2 | 73.33 | 9.1663 | >146.66 | >146.66 |
| P3* | >146.66 | 73.33 | >146.66 | >146.66 |
| P4 | 73.33 | 73.33 | >146.66 | >146.66 |
| P5 | 36.665 | <1.1457 | 73.33 | <1.1457 |
| P6* | >146.66 | 62.5 | >146.66 | >146.66 |
| P7* | >146.66 | 73.33 | >146.66 | >146.66 |