Table 2.
Diameter of bacterial inhibition zone (clear zone) in mm
| Sample name | Untreated silver NP (A) | Untreated agar/silver NP (B) | Treated (A) with argon plasma for 180 min | Treated (B) with argon plasma for 180 min | Treated (A) with oxygen plasma for 150 min | Treated (B) with oxygen plasma for 150 min | Treated (B) with mercury lamp at for 40 min | Treated (A) with mercury lamp for 15 min | Treated (B) with mercury lamp for 15 min | |
|---|---|---|---|---|---|---|---|---|---|---|
| No. | Bacteria name | |||||||||
| 1 | Bacillus cereus | 8 | 8 | 10 | 9 | 8 | 8 | 8 | 8 | 8 |
| 2 | Bacillus subtilis | 9 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
| 3 | E. coli | 11 | 14 | 12 | 13 | 11 | 11 | 10 | 11 | 11 |
| 4 | Klebsiella pneumoniae | 15 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 10 |
| 5 | Micrococcus roseus | 16 | 11 | 10 | 10 | 11 | 10 | 10 | 11 | 10 |
| 6 | Proteus vulgaris | 11 | 8 | 9 | 15 | 9 | 9 | 8 | 8 | 8 |
| 7 | Pseudomonas aeruginosa | 12 | 11 | 14 | 12 | 16 | 14 | 12 | 14 | 12 |
| 8 | Serratia marcescens | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 9 |
| 9 | Staphylococcus aureus | 17 | 15 | 12 | 11 | 12 | 12 | 11 | 12 | 10 |
| 10 | Streptococcus sp. | 15 | 18 | 13 | 13 | 17 | 14 | 13 | 14 | 12 |