Table 1.

Antibacterial activity of the A.racemosus extract, Ag, Au, and Ag-Au alloy NPs against Gram positive and Gram negative bacteria.

S.No.	Samples	Antibacterial Activity
		S. aureus		P. aeruginosa
		Concentration (µg mL−1)	Zone of Inhibition (mm)	Concentration (µg mL−1)	Zone of Inhibition (mm)
1	Plant extract	20	15	20	17
		40	19	40	21
		80	20	80	22
2	AgNPs	20	18	20	21
		40	22	40	24
		80	24	80	28
3	AuNPs	20	17	20	19
		40	20	40	24
		80	23	80	26
4	Ag-Au alloy NPs	20	22	20	25
		40	26	40	29
		80	30	80	33