Synthesis and Catalytic and Biological Activities of Silver and Copper Nanoparticles Using Cassia occidentalis

Table 5

Antibacterial activity of AgNPs and CuNPs of C. occidentalis.

Bacteria	Zone of inhibition (mm)
	AgNPs			CuNPs			Ciprofloxacin (std.)	Gentamycin (std.)
	100%	75%	50%	100%	75%	50%
S. aureus	10 ± 0.5	6 ± 0.5	0	10 ± 0.5	5 ± 0.5	0	15 ± 0.5	19 ± 0.5
E. coli	13 ± 0.5	12 ± 0.5	10 ± 0.5	11 ± 0.5	8 ± 0.5	5 ± 0.2	20 ± 0.5	20 ± 0.5
S. typhi	10 ± 0.6	9 ± 0.2	7 ± 0.5	12 ± 0.5	11 ± 0.5	0	21 ± 0.5	18 ± 0.5
K. pneumonia	11 ± 0.5	10 ± 0.2	0	11 ± 0.5	9 ± 0.5	7 ± 0.5	19 ± 0.5	21 ± 0.5