Table 1.

Dose response of E. coli DH5α against silver nanoparticles

Concentration of AgNPs (mg L−1)	Initial population (cfu mL−1)	Final population (cfu mL−1)	Mortality (%)
0	3 × 107	3 × 107	0
0.01	3 × 107	3 × 107	0
0.1	3 × 107	2.6 × 107	13.4
1	3 × 107	2.5 × 107	16.6
5	3 × 107	1.5 × 107	50
10	3 × 107	0	100
15	3 × 107	0	100
20	3 × 107	0	100