Table 3.

MIC of copper oxide nanoparticles (annealed at different temperatures) against different laboratory bacterial strains

Microorganisms	MIC of copper nanoparticles (μg/mL)
	400°C	500°C	600°C	700°C
E. coli	20 ± 3	35 ± 5	45 ± 4	65 ± 6
P. aeruginosa	28 ± 4	40 ± 3	50 ± 5	55 ± 5
B. subtilis	30 ± 5	50 ± 4	65 ± 4	70 ± 5
S. aureus	25 ± 4	42 ± 2	70 ± 5	75 ± 4

Note: Each value in mean ± standard deviation.

Abbreviation: MIC, minimum inhibitory concentration.