Journal of Nanotechnology / 2019 / Article / Tab 3

Research Article

Optimized Synthesis of Magnesium Oxide Nanoparticles as Bactericidal Agents

Table 3

The interactions among studied factors at different levels on the survival rate of bacteria.

Interacting factor pairsColumnSeverity index (%)Optimum conditions

Gram-positive bacteria (Staphylococcus aureus)NaOH × stirring time2 × 344.63[2, 3]
Mg (NO3)2 × stirring time1 × 341.86[2, 3]
Mg (NO3)2 × NaOH1 × 210.89[3, 3]

Gram-negative bacteria (Escherichia coli)NaOH × stirring time2 × 334.42[2, 3]
Mg (NO3)2 × stirring time1 × 332.62[2, 3]
Mg (NO3)2 × NaOH1 × 215.90[3, 3]