Table 4.
Comparison of antibacterial activity for CME-CuNPs with earlier studies.
| Materials | Size (nm) | Concentrations (μg/ml) | Bacteria | References |
|---|---|---|---|---|
| CuNPs | 55 - 350 nm | 40 mg/disc | Staphylococcus aureus (S. aureus), Escherichia coli (E. coli) | [50] |
| CuNPs | 4.7 to 17.4 nm | 100 μg/ml | Bacillus, S. aureus, E. coli, and P. aeruginosa | [51] |
| CuNPs | 60–90 nm | 75 μg/ml | Streptococcus sp. E. coli | [52] |
| CuNPs | 131 nm | 40 μg/ml | Streptococcus mutans | [53] |
| CuNPs | 80 nm | 150 -225 μg/ml | Enterococcus faecalis | [54] |
| CME-CuNPs | 11.3-22.4 nm | 13.5-18 μg/ml | B. subtilis, M. luteus, P. aeruginosa | Present study |