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Zone of inhibition of copper oxide nanoparticles.
Notes: Zone of inhibition of copper oxide nanoparticles synthesized at different temperatures (a–d) and positive control, a known antibiotic tetracycline (e) against two Gram-negative bacteria (A) Escherichia coli and (B) Pseudomonas aeruginosa, and two Gram-positive bacteria (C) Bacillus subtilis and (D) Staphylococcus aureus.
