Evaluation of Biological Activities of Chemically Synthesized Silver Nanoparticles

Table 2

Minimum inhibitory concentration of AgNPs against S. aureus and P. aeruginosa.

Conc. of Ag nanoparticle (µg/disc)	Inhibition zones (mm)
	Gram (+ve) pathogenic bacteria	Gram (−ve) pathogenic bacteria
	S. aureus	P. aeruginosa
2.5	11.0 ± 0.2	12.5 ± 0.3
5.0	12.5 ± 0.4	16.5 ± 1.0
10	14.0 ± 0.5	18.5 ± 0.2
15	15.3 ± 0.7	20.8 ± 0.4
20	16.0 ± 0.3	22.5 ± 0.3
25	17.5 ± 0.4	24.5 ± 0.7

Data are means of three replicates ( ± standard error).