Green Synthesis Methods of CoFe₂O₄ and Ag-CoFe₂O₄ Nanoparticles Using Hibiscus Extracts and Their Antimicrobial Potential

Table 3

Results of the qualitative screening of the antimicrobial activity of the tested samples expressed in mm of the growth inhibition zone diameter.

Microbial tested strains	H11	H6	H10	H1	Flower extract	Leaf extract	DMSO
Escherichia coli ATCC 8739	8	0	8	+/−	0	0	+/−
Pseudomonas aeruginosa ATCC 27853	+/−	0	0	0	0	+/−	0
Staphylococcus aureus ATCC 6538	0	0	+/−	0	+/−	0	0
Staphylococcus saprophyticus ATCC 15305	+/−	+/−	+/−	+/−	+/−	+/−
Enterococcus faecalis ATCC 29212	7	0	10	8	0	8	0
Bacillus subtilis ATCC 6633	0	0	6	8	0	0	0
Candida albicans ATCC 26790	6	0	6	6	0	0	0

Numbers (), diameter (mm) of the growth inhibition zone; +/− (), partial inhibition of the microbial growth; 0, absence of growth inhibition.