“…Remarkably, the large inhibition zone of 29 ± 0.8 mm was measured for the BC-AgNPs composite, showing the susceptibility of S. aureus to the bactericidal effect of AgNPs (Figure 6b). Likewise, the effect was observed in other studies where the inhibition zones of 15 mm (Volova et al, 2018) and 9 mm (Yang et al, 2012) were shown by BC-AgNPs composites prepared by 1 mM AgNO 3 against the Gram-positive bacterium S. aureus. The different inhibition zone values may be caused by the use of different impregnation methods as well as the quantity of Ag + ions released from the BC composites (Wu et al, 2014).…”