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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

  1. The initial bacterial colony count is 8.75 × 105 CFU/mL.

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