(a)
| Compound | Gram-positive bacteria | Gram-negative bacteria | Fungus | ||||
|---|---|---|---|---|---|---|---|
| S. aureus | B. cereus | K. rhizophila | E. coli | P. aeruginosa | C. freundii | Aspergillus niger | |
| NS2 | 17.60 | 21.63 | 19.01 | 15.62 | 13.88 | 19.60 | — |
| Zn(NS2)2 | 16.23 | 18.12 | 18.34 | 8.60 | 13.63 | 16.99 | 23.15 |
| Cd(NS2)2 | 8.90 | 8.16 | 25.76 | 7.43 | 15.27 | 8.33 | 29.98 |
| Ni(NS2)2 | 7.40 | 8.51 | 13.53 | — | 8.88 | — | 17.17 |
| Cu(NS2)2 | 7.09 | — | — | — | 7.45 | — | — |
| NS4 | — | 6.53 | — | — | — | 11.50 | — |
| Zn(NS4)2 | 9.19 | 8.17 | 7.40 | — | — | 9.69 | — |
| Cd(NS4)2 | 7.77 | 6.61 | 30.05 | — | — | 6.81 | — |
| Ni(NS4)2 | 10.87 | 10.22 | 9.13 | — | — | 12.99 | — |
| Cu(NS4)2 | 10.33 | 6.64 | 8.21 | — | — | 9.99 | — |