Fig. 4From: A Review on Enhancing the Antibacterial Activity of ZnO: Mechanisms and Microscopic InvestigationDual immunofluorescence and ROS staining images for S. aureus (a–j) and K. pneumoniae (k–t) treated with nanoassemblies, NPs, conventional NPs, and ZnCl2 (0.35 mM) under dark conditions. Reproduced from ref. [16] with permission from ElsevierBack to article page