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Photographs showing the antibacterial activity of (a) control and CuO/C nanocomposites in different concentrations (b) 0.0625 mg/ml (c) 0.125 mg/ml(d) 0.250 mg/ml (e) 0.5 mg/ml (f) 1.0 mg/ml (g)1.5 mg/ml (h) 2.0 mg/ml against the bacteria K. pneumonia.
