Optimized Synthesis of Magnesium Oxide Nanoparticles as Bactericidal Agents

Table 1

Taguchi design of experiments and antibacterial effect of manufactured MgO nanoparticles.

Experiment	Mg (NO3)2 (M)			NaOH (M)			Stirring time (min)			Bacterial survival (log10 CFU/ml)
	0.05	0.1	0.2	0.5	1	2	30	60	90	Gram-positive	Gram-negative
1		0.05			0.5			30		6.51	6.84
2		0.05			1			60		5.42	6.11
3		0.05			2			90		5.36	5.43
4		0.1			0.5			60		5.38	5.68
5		0.1			1			90		3.66	3.98
6		0.1			2			30		4.05	4.42
7		0.2			0.5			90		4.38	4.76
8		0.2			1			30		3.97	5.17
9		0.2			2			60		3.62	3.79