Journal of Nanotechnology / 2019 / Article / Tab 5

Research Article

Optimized Synthesis of Magnesium Oxide Nanoparticles as Bactericidal Agents

Table 5

Predicted the optimal conditions for producing MgO nanoparticles with the greatest antibacterial activity.

FactorsGram-positive bacteria (Staphylococcus aureus)Gram-negative bacteria (Escherichia coli)
LevelContributionLevelContribution

Mg (NO3)230.71630.56
NaOH30.36330.58
Stirring time30.23930.41

Total contribution from all factors1.321.55
Current grand average of performance4.715.13
Bacterial survival at optimum condition3.393.58