Effect of Codoping Zinc Oxide Nanoparticles with Sulfur and Nitrogen on Its Energy Bandgap, Antioxidant Properties, and Antibacterial Activity

Table 3

DDPH radical scavenging assay.

Materials	Concentration (mg/mL)	% RSC of DDPH	IC50 (mg/mL)
ZnO-NPs	70	40.98380181	67.73840609
	90	48.40400191
	110	50.04764173
	130	52.45354931
6% N-ZnO	70	68.16341115	40.19248396
	90	71.59361601
	110	74.24964269
	130	76.36969986
4% S-ZnO	70	55.22868032	27.10025434
	90	71.2720343
	110	72.43925679
	130	78.6922344
S4-N6-ZnO	70	65.895664602	24.40025434
	90	71.20771796
	110	81.89947594
	130	88.94949976
Ascorbic acid	70	97.6680324	43.75954198
	90	98.70152454
	110	98.8325393
	130	98.9231062