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. 2013 Mar 18;19:103–110. doi: 10.12659/MSMBR.883835

Table 3.

Results of standard susceptibility tests of the standard bacteria samples against different concentrations of silver nanoparticle solutions (ppm) (p=0.01).

Row Average inhibition zone diameter (mm) Various concentration solution of nano-silver (ppm)
12.5 25 50 100 200 400 500
1 Klebsiella pneumonia 1290 0 0 0 8.85±0.28 9.89±0.89 10.95±0.19 12.55±0.55

2 Klebsiella pneumonia 1058 0 0 5.36±1.88 11.12±1.57 15.32±1.20 20.09±1.76 22.06±0.84

3 Pseudomonas aeroginosa 27853 0 0 0 8.44±1.63 10.46±2.66 11.88±1.25 13.81±1.29

4 Escherichia coli 1270 0 0 0 5.06±2.81 8.22±1.49 12.08±1.01 13.08±2.41

5 Escherichia coli 1399 5.54±0.11 11.11±2.64 10.52±1.86 12.45±1.53 17.75±1.33 20.21±0.99 20.20±0.80

6 Escherichia coli 1551 7 10.09±1.28 11.99±0.55 18.55±1.67 20.11±0.91 22.75±0.85 25.00±0.33

7 Acinetobacter baumannii 1318 0 2.75±1.45 8.08±1.36 10.44±0.39 11.69±1.58 12.00±1.66 15.18±0.98

8 Serratia marcescens 1621 0 8.46±0.89 10.43±1.65 9.97±1.36 12.33±0.85 13.05±1.25 16.34±2.01

9 Enterobacter cloacae 1003 0 0 0 0 8.08±0.85 10.09±0.77 11.99±1.99

10 Klebsiella oxytoca 1402 0 0 4.77±0.61 8.33±2.88 11.07±1.11 13.11±1.11 15.41±0.72

11 Enterobacter aerogenes 1221 0 0 0 5.23±1.58 7.88±1.18 9.66±0.44 12.33±1.77

12 Citrobacter freundii 1600 0 0 0 6.09±0.79 12.59±0.99 13.22±0.88 16.21±1.04

13 Proteus vulgaris 1079 0 0 3.98±0.16 10.11±o.65 9.79±1.35 15.01±1.13 15.00±1.22