Table 3.

Plants used in the synthesis of CuO nanoparticles, the methods for their characterization, and their antibacterial properties.

No	Plant name	Parts of plants used	size (nm)	Characterization techniques	Bacteria	The highest inhibition zone (mm)	Refs.
1	Sesbania grandiflora	Leaves	33	UV–Vis DRS, FTIR, XRD, SEM	P. aeruginosa	19	51
					S. aureus	15
2	Ageratum houstonianum Mill	Leaves	80	UV–Vis, FTIR, XRD, SEM	E. coli	12.43	52
3	Nilgirianthus ciliates	Leaves	20	UV–Vis, FTIR, XRD, SEM	P. aeruginosa	17	53
4	Rosmarinus officinalis	Leaves	-	UV–Vis, FTIR, XRD, FESEM, DLS	P. aeruginosa	20	25
5	Abutilon indicum leaves	Leaves	28.10	UV–Vis, FTIR XRD, SEM	S. aureus	22	52
					E. coli	32
6	Ocimum Lamiifolium	Leaves	15.09	UV–Vis DRS, FTIR XRD, SEM	S. aureus	19	This work
					E. coli	25
					P. aeruginosa	16
7	Withana Somnifera	Leaves	19.14	UV–Vis DRS, FTIR XRD, SEM	S. aureus	20	This work
					E. coli	25
					P. aeruginosa	25