Table 1 Antibacterial activity of CMCh, CMCh-g-S and CMCh-g-S nano
From: Graft modification of carboxymethyl chitosan with styrene and its biological applications
Samples | Tested microorganisms | |||||
|---|---|---|---|---|---|---|
Gram positive bacteria | Gram negative bacteria | |||||
S. aureus (RCMB 010028) | S. pneumoniae (RCMB 010010) | E. coli (RCMB 010052) | ||||
Inhibition zone(mm) | Minimum inhibitory concentration (MIC) (μg/mL) | Inhibition zone (mm) | Minimum inhibitory concentration (MIC) (μg/L) | Inhibition zone (mm) | Minimum inhibitory concentration (MIC) (μg/mL) | |
CMCh | 13.3 ± 0.3 | 520.0 | 10.1 ± 0.3 | 525.0 | 8.2 ± 0.7 | 527.0 |
CMCh-g-S | 16.1 ± 0.1 | 3.9 | 18.1 ± 0.72 | 1.95 | 14.6 ± 0.3 | 33.0 |
CMCh-g-S nano | 21.1 ± 0.2 | 1.95 | 21.8 ± 0.53 | 0.98 | 14.0 ± 0.2 | 45.0 |
Ampicillin | 27.4 ± 0.72 | 0.49 | 23.8 ± 1.2 | 0.98 |  |  |
Ciprofloxacin |  |  |  |  | 23.4 ± 0.63 | 0.98 |