Structural, Optical, and Bioactivity Properties of Silver-Doped Zinc Sulfide Nanoparticles Synthesized Using Plectranthus barbatus Leaf Extract

Table 2

Antibacterial activity of prepared 6% Ag-doped ZnS NPs.

Samples	Bacteria	ZOI (diameter in mm) at various concentrations (mg/mL)
		67 mg/mL	134 mg/mL	201 mg/mL	Control (azithromycin)
2% Ag-doped ZnS	S. aureus	14	16	19	31
	E. coli	10	12	14	28
6% Ag-doped ZnS	S. aureus	16	18	20	31
	E. coli	12	13	15	28