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Table 1 Comparison of isolate tolerance to different concentrations of silver ions

From: Synthesis of silver nanoparticles with high efficiency and stability by culture supernatant of Bacillus ROM6 isolated from Zarshouran gold mine and evaluating its antibacterial effects

Bacterial isolates number

The concentration of silver nitrate

g/l

1

5

6

7

8

9

10

11

12

13

1

-

-

-

-

-

-

-

-

-

-

2

-

-

-

-

-

-

-

-

-

-

3

 + 

-

-

-

-

-

-

-

-

-

4

 + 

-

-

-

-

-

-

-

-

-

5

 + 

 + 

 + 

-

-

-

-

-

-

-

6

 + 

 + 

 + 

 + 

 + 

 + 

-

-

-

-

7

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

8

-

-

-

-

-

-

-

-

-

-

  1. - no growth, + growth