Fig. 1From: Antimicrobial effects of zero-valent iron nanoparticles on gram-positive Bacillus strains and gram-negative Escherichia coli strainsShape, crystal structure, and particle size characterization of ZVI NPs. a SEM images of the ZVI NPs used in this study; white bar: 20 nm. b Size distribution histograms of ZVI NPs. c XRD patterns of the synthesized ZVI NPs. Data are representative of two separate experimentsBack to article page