Table 1 Colony count of E. coli after antibacterial activities by titanium-doped ZnO powders
From: Preparation and antibacterial properties of titanium-doped ZnO from different zinc salts
Zinc salt | Powder concentration (g/L) | |||||||
---|---|---|---|---|---|---|---|---|
0 | 0.25 | 0.5 | 0.75 | 1.0 | 1.5 | 2.0 | 2.5 | |
Zn (Ac)2 | 1.25 × 108 | 2.1 × 107 | 1.95 × 107 | 1.75 × 107 | 1.2 × 107 | 3.85 × 106 | 2.9 × 103 | 1.65 × 103 |
ZnSO4 | 1.1 × 107 | 9.75 × 106 | 5.3 × 106 | 2.95 × 105 | 5.6 × 104 | 1.6 × 104 | 7.65 × 103 | |
Zn (NO3)2 | 2.15 × 107 | 1.9 × 107 | 1.65 × 107 | 1.6 × 107 | 3.35 × 105 | 2.8 × 103 | 0 | |
ZnCl2 | 3.05 × 104 | 6.55 × 103 | 3.9 × 103 | 2.5 × 103 | 2.3 × 103 | 2.0 × 103 | 0 |