Journal: ACS Omega
Article Title: Integrated Electrochemical and Biomedical Properties of Cu-Doped ZnO NPs Synthesized via Green Methods
doi: 10.1021/acsomega.5c08598
Figure Lengend Snippet: Antibacterial activity of ZnO and Cu–ZnO NPs against Gram-positive and Gram-negative bacteria (a,b). Representative images (A1–A5 and B1–B5) displaying the zone of inhibition produced by varying concentrations of ZnO and Cu–ZnO NPs, respectively, against five bacterial pathogens after 24 h of incubation on nutrient agar plates. (c–g). Quantitative representation of the antibacterial efficacy shown in panels (a) and (b), illustrated as bar graphs indicating the mean diameter (±standard deviation) of inhibition zones (in mm), measured around 6 mm discs loaded with ZnO and Cu–ZnO NPs, respectively. Tested strains included E. coli , P. aeruginosa , E. faecalis , S. aureus , and B. subtilis . Abbreviations: V, vehicle control; S, standard antibiotic (Ampicillin); 1–4, increasing concentrations of NPs. Statistical significance between ZnO and Cu–ZnO NPs at each concentration was determined by one-way ANOVA. Asterisks above the bars indicate the level of significance: p < 0.05 (*), p < 0.01 (**), p < 0.001 (***), while ns denotes nonsignificant differences.
Article Snippet: The antibacterial activity of ZnO and Cu–ZnO NPs was assessed against Gram-positive bacteria, including Bacillus subtilis (MTCC-6633), Enterococcus faecalis (ATCC-51299), and Staphylococcus aureus (MTCC-737), as well as Gram-negative bacteria, such as Pseudomonas aeruginosa (ATCC-15442) and Escherichia coli (MTCC-443), using the disc diffusion assay.
Techniques: Activity Assay, Bacteria, Inhibition, Produced, Incubation, Standard Deviation, Control, Concentration Assay
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