Table 4.
Inhibition zone diameters (mm) produced by 20 mg of tested polymers (V-X) against different bacteria which were maintained on nutrient agar after 24 h and fungi which were kept on Sabouroud's agar slopes after 72 h by the Cut Plug Method on nutrient agar at 30°C
| Tested microorganism |
Inhibition zone diameter (mm) |
|||||||
|---|---|---|---|---|---|---|---|---|
|
Control |
Biocidal polymers |
|||||||
| III | IV | V | VI | VII | VIII | IX | X | |
|
Escherichia coli |
10 |
8 |
14 |
19 |
25 |
30 |
23 |
28 |
|
Pseudomonas aeruginosa |
8 |
8 |
15 |
23 |
28 |
30 |
24 |
32 |
|
Salmonella typhi |
9 |
9 |
16 |
19 |
28 |
32 |
23 |
32 |
|
Staphylococcus aureus |
8 |
10 |
16 |
21 |
27 |
29 |
25 |
30 |
|
Aspergillus niger |
9 |
10 |
18 |
20 |
26 |
30 |
22 |
28 |
|
Aspergillus flavus |
9 |
8 |
15 |
20 |
27 |
31 |
22 |
29 |
|
Candida albicans |
10 |
9 |
17 |
19 |
25 |
28 |
22 |
27 |
| Cryptpcoccus neoformans | 10 | 9 | 17 | 19 | 25 | 29 | 24 | 27 |