Fig. 4.
A Bactericidal efficacies of ZnO suspensions, for tested samples namely sample 1, sample 2, and bulk with three different particle sizes after 24 h incubation. Reproduced by permission from Padmavathy and Vijayaraghavan [12]. B Antibacterial activity of ZnO-NPs towards: Enteritidis and E. coli O157:H7, adapted from Xie et al. [91]