| Dilution of silver nanoparticles for same no. of bacteria in mg/ml |
10mg/ml |
5mg/ml |
2.5mg/ml |
1.25mg/ml |
0.625mg/ml |
0.312mg/ml |
| Set 1 |
− |
− |
+ |
+ |
+ |
+ |
| Set 2 |
− |
− |
+ |
+ |
+ |
+ |
| Set 3 |
− |
− |
+ |
+ |
+ |
+ |
| Set 4 |
− |
− |
+ |
+ |
+ |
+ |
| Set 5 |
− |
− |
+ |
− |
+ |
+ |
| Set 6 |
− |
− |
+ |
+ |
+ |
+ |
|
Positive (+) = Turbidity indicating growth
Negative (-) = No turbidity indicating absence of growth |
| Table 1: Bacterial growth in different concentrations of silver nanoparticles after
24 hours |