Table 6.
The antibacterial activity of CuONP-biopolymer films by MBC, MIC, and CFU methods in the published studies.
| Microorganisms | Sample | Study | |||
|---|---|---|---|---|---|
| MIC (concentration) (μg/mL) | MBC (concentration) (μg/mL) | ||||
| S. aureus | Chi-CuO-NS | (25,50, 75,100) + | (25,50,75,100) + | [56] | |
| NS-CuO | (25) −/(50,75,100) + | (25) −/(50,75,100) + | |||
| Chi-CuO | (25,50) −/(75,100) + | (25,50) −/(75,100) + | |||
| CuO | (25,50,75) −/(100) + | (25,50,75) −/(100) + | |||
| Chitosan | (25,50,75,100) - | (25,50,75,100) − | |||
|
| |||||
| Sample | CFU (CFU/cm 2 ) | Study | |||
| E. coli | Neat PLA | 2.8 ± 0.1·103 | [160] | ||
| PLA/ZnO : Cu/Ag (0%) | 1.0 ± 0.2·103 | ||||
| PLA/ZnO : Cu/Ag (0.5%) | 3.3 ± 0.1·103 | ||||
| PLA/ZnO : Cu/Ag (1%) | 6.5 ± 0.1·103 | ||||
| PLA/ZnO : Cu/Ag (1.5%) | 1.0 ± 0.1·104 | ||||
| S. aureus | Neat PLA | 2.3 ± 0.4·104 | |||
| PLA/ZnO : Cu/Ag (0%) | 1.9 ± 0.2·104 | ||||
| PLA/ZnO : Cu/Ag (0.5%) | 4.0 ± 0.1·103 | ||||
| PLA/ZnO : Cu/Ag (1%) | 6.3 ± 0.1·102 | ||||
| PLA/ZnO : Cu/Ag (1.5%) | 2.05 ± 0.2·102 | ||||
|
| |||||
| Sample | Concentration (cells/ml) | Study | |||
| S. aureus | Chitosan | 3 × 105 | [162] | ||
| Chitosan-CuNPs | 1 × 102 | ||||
| S. typhimurium | Chitosan | 1.8 × 105 | |||
| Chitosan-CuNPs | 2.1 × 103 | ||||