Table 1.

Estimated zone of inhibition after treatment of pathogenic bacteria with different concentrations of ZnFe₂O₄ NPs

ZnFe2O4 concentration (µg/mL)	Zone of inhibition (mm)
	E. coli	P. aeruginosa	K. pneumoniae	S. typhi	S. aureus	MRSA
12.5	9 ± 0.8	10 ± 0.8	10 ± 0.5	8 ± 0.5	10 ± 0.5	10 ± 0.9
25	10 ± 0.4	11 ± 0.4	10 ± 1	10 ± 0.7	10 ± 0.6	10 ± 0.4
50	10 ± 0.6	11 ± 0.5	11 ± 1.1	11 ± 1.4	11 ± 0.8	10 ± 0.7
100	11 ± 0.7	12 ± 0.8	13 ± 1.6	12 ± 1.1	13 ± 0.9	11 ± 0.9
Positive control (silver cream)	16 ± 0.9	15 ± 0.4	16 ± 0.9	16 ± 1	20 ± 1.2	14 ± 0.7
Vehicle control (DMSO)	0 ± 0	0 ± 0	0 ± 0	0 ± 0	0 ± 0	0 ± 0

Data are denoted as mean ± standard deviation of three replicates