Fig. 5 a–d Acanthamoeba trophozoites after 6 h in Tannic acid-modified silver nanoparticles enhance the anti-ACanthamoeba activity of three multipurpose contact lens solutions without increasing their cytotoxicity

Fig. 5 a–d Acanthamoeba trophozoites after 6 h of incubation. a Control culture in PYG medium. b Incubation with AgTANPs. c Incubation with SCA. d Incubation with AgTANPs conjugated with SCA.The arrow shows a rounded form. All images (× 40) represent the population of treated amoebae and were taken under a live cell imaging microscope (EVOS FLoid Cell Imaging Station). For abbreviations, see Figs. 1 and 2