Table 1.

Zones of inhibition (mm) obtained with Ag NPs synthesized using the extract of R. acetosa against human clinical isolates.

S. No.	Name of the organism	Gram’s reaction and cell morphology	Zone of Inhibition (mean ± S.D.) in mm obtained with 50 μg/μl concentration of aqueous suspension of Ag NPs
			10 μl	20 μl	30 μl
1	Bacillus cereus	Gram positive, rod	15.5 ± 0.5	16 ± 0	16 ± 0
2	Enterococcus sps.	Gram positive, cocci	15.3 ± 1.25	15.3 ± 1.25	15.3 ± 1.25
3	Escherichia coli	Gram negative, rod	16.5 ± 0.5	17 ± 0	17.5 ± 0.5
4	Klebsiella sps.	Gram negative, rod	14.5 ± 0.5	15 ± 0	15 ± 0
5	Proteus mirabilis	Gram negative, rod	14 ± 0	15 ± 0	14.5 ± 0.5
6	Proteus vulgaris	Gram negative, rod	15 ± 0	15 ± 0	15.5 ± 0.5
7	Pseudomonas sps.	Gram negative, rod	11.7 ± 0.5	12.7 ± 0.5	13 ± 0.8
8	Salmonella paratyphi A	Gram negative, rod	12.2 ± 1.5	12.4 ± 2.15	12.5 ± 1.7
9	Salmonella typhi	Gram negative, rod	14.3 ± 0.5	14.3 ± 0.5	14.3 ± 0.5
10	Salmonella typhimurium	Gram negative, rod	15 ± 0	15.5 ± 0.5	15 ± 0
11	Serratia	Gram negative, rod	16 ± 0	16.3 ± 0.5	16.7 ± 0.5
12	Shigella dysentery A	Gram negative, rod	16.5 ± 0.5	17 ± 0	18.5 ± 0.5
13	Shigella flexneri	Gram negative, rod	16 ± 0	17.3 ± 1.25	17.3 ± 2
14	Staphylococcus aureus	Gram positive, cocci	18 ± 0	18 ± 0	18.5 ± 0.5
15	Staphylococcus epidermidis	Gram positive, cocci	17 ± 0	18 ± 0	18.3 ± 0.5
16	Vibrio cholera	Gram negative, comma shaped	15.5 ± 0.5	15.5 ± 0.5	15.5 ± 0.5