Table 3.
Antibacterial activity obtained for all samples expressed as reduction of bacteria (%) compared to the control with SD (P<0.5)
| Microrganisms | Reduction of bacteria (%)
|
||
|---|---|---|---|
| Ind | QDs-Ind | QDs | |
| Gram-negative | |||
| E. coli | 32.3±2.5 | 35.1±3.0 | 3±0.8 |
| P. aeruginosa | 26.6±2.1 | 29.3±2.7 | 1.9±0.4 |
| K. pneumoniae | 34.4±2.9 | 39.3±4.1 | 2.6±0.7 |
| Gram-positive | |||
| S. aureus | 10.6±1.1 | 12.3±1.0 | 0.9±0.2 |
Notes: Results are in response to a Student’s t-test. values are shown as mean ± SD.
Abbreviations: QDs, quantum dots; QDS-Ind, quantum dots-indolicidin; E. coli, Escherichia coli; P. aeruginosa, Pseudomonas aeruginosa; K. pneumoniae, Klebsiella pneumoniae; S. aureus, Staphylococcus aureus.