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Antibacterial activity of silver nanoparticles stabilized by PVP
| Strain | Ag concentration (mg/mL) | |||||
|---|---|---|---|---|---|---|
| 0.49 | 0.24 | 0.12 | 0.06 | 0.03 | 0.015 | |
| S. aureus ATCC 25923 | − | − | − | − | − | − |
| E. coli ATCC 25922 | − | − | − | − | − | − |
| P. aeruginosa ATCC27853 | − | − | − | − | − | − |
| Spore of B.subtilis ATCC 6633 | + | + | + | + | + | + |
+ (positive) presence of bacterial growth, − (negative) lack of bacterial growth
