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Table 1 Zone of inhibition (mm) at different concentrations of green-synthesised Ag–TiO2 NCs and TiO2 NPs against Gram-positive and Gram-negative bacteria

From: Green biomimetic synthesis of Ag–TiO2 nanocomposite using Origanum majorana leaf extract under sonication and their biological activities

Concentration (µg/ml) Zone of inhibition in mm
E. coli S. aureus B. subtilis P. aeruginosa
TiO2 Ag–TiO2 TiO2 Ag–TiO2 TiO2 Ag–TiO2 TiO2 Ag–TiO2
25 9.8 11 5 5 7 9 2 2
50 12 13 7 8 10 11 4 4.5
75 16 18 10 13 15 17 7 8
100 19 22 11 14 18 20 9 9.5