Showing the antibacterial results of CuO NPS synthesized from Morus nigra (M.n) and Melia azedarach (M.a) leaf extracts against a) Eschericia coli b) Clostridium tetani (M.n) c) Clostridium tetani (M.a) d) P. mirabilis e) Salmonella (M.n) f) Salmonella (M.a).