Journal of Nanotechnology / 2019 / Article / Tab 4

Research Article

Optimized Synthesis of Magnesium Oxide Nanoparticles as Bactericidal Agents

Table 4

The ANOVA test for studied factors on reducing the growth of bacteria.

Type of bacteriaFactorsDOFSum of squaresVarianceF-ratio (F)Pure sumPercent (%)

Gram-positive bacteria (Staphylococcus aureus)Mg (NO3)225.242.6229.695.0763.36
Stirring time20.260.131.460081.03

Gram-negative bacteria (Escherichia coli)Mg (NO3)224.482.249.534.0149.91
Stirring time20.870.431.850.404.96

DOF, degree of freedom.