Applied Biological Chemistry

Table 3 Antioxidant activities of free nano-composite Cu-doped ZnO nano-composite

From: In situ green synthesis of Cu-doped ZnO based polymers nanocomposite with studying antimicrobial, antioxidant and anti-inflammatory activities

Conc. (µg/mL)	Free nano-composite				Nano-composite
Conc. (µg/mL)	OD Mean	DPPH Scavenging %	SD	SE	OD Mean	DPPH Scavenging %	SD	SE
1000	0.434	60.9	0.005	0.002	0.376	79.9	0.011	0.004
500	0.573	60.2	0.001	0.000	0.492	77.8	0.004	0.001
250	0.695	51.8	0.003	0.001	0.609	67.7	0.006	0.002
125	0.817	43.3	0.008	0.002	0.763	47.1	0.001	0.000
62.5	0.939	34.8	0.009	0.003	0.863	40.1	0.004	0.001
31.25	1.027	28.7	0.005	0.001	0.942	34.6	0.004	0.001
15.63	1.115	22.6	0.008	0.003	1.021	29.1	0.005	0.002
7.81	1.238	14.1	0.003	0.001	1.138	21.0	0.004	0.001
3.9	1.360	5.6	0.005	0.001	1.262	12.4	0.013	0.004
1.95	1.428	0.9	0.003	0.001	1.349	6.4	0.002	0.001
IC₅₀	203.65 µg/mL				91.16 µg/mL

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