Minimum inhibitory concentration (MIC) against E. coli, turbidity for different concentrations of nanoparticles after 24 ha.
| Dilution of the nanoparticles | 500 μg mL−1 | 250 μg mL−1 | 125 μg mL−1 | 62.5 μg mL−1 | 31.25 μg mL−1 | 15.625 μg mL−1 | 7.8125 μg mL−1 | 3.906 μg mL−1 | 1.953 μg mL−1 | 0.9765 μg mL−1 |
|---|---|---|---|---|---|---|---|---|---|---|
| AgNO3 | − | − | − | − | − | − | − | + | + | + |
| − | − | − | − | − | − | − | + | + | + | |
| C60-Cl | + | + | + | + | + | + | + | + | + | + |
| + | + | + | + | + | + | + | + | + | + | |
| Ag-C60-Cl | − | − | − | − | − | − | − | − | + | + |
| − | − | − | − | − | − | − | − | + | + | |
| Cu-C60-Cl | − | − | − | + | + | + | + | + | + | + |
| − | − | − | + | + | + | + | + | + | + |
a
Positive (+): turbidity indicating growth; negative (−): no turbidity indicating absence of growth.