Evaluation of Biological Activities of Chemically Synthesized Silver Nanoparticles

Table 1

Antibacterial activity of AgNPs against some Gram (+ve) and Gram (−ve) pathogenic bacteria.

Conc. of AgNPs (µg/disc)	Inhibition zones (mm)
	Gram (+ve) pathogenic bacteria		Gram (−ve) pathogenic bacteria
	S. aureus	S. pyogenes	S. typhi	P. aeruginosa
Ag (5 µg/disc)	14.8 ± 0.4	13.6 ± 0.1	12.5 ± 0.3	19.1 ± 0.2
(+ve) control	14.2 ± 0.2	32.0 ± 0.3	15.3 ± 0.2	26.8 ± 0.5

Data are means of three replicates ( ± standard error)