Fig. 2

The impact of various variables on the MgO-nps@Aj biosynthesized using A. japonicus. a Normal probability plot of the input variables, b Pareto chart plot showing the significance of each factor, c Standardized effect plot of the individual variables based on the Plackett–Burman design, d–f 3D-response surface plots showing the interaction impact of different variables on the bioproduction of MgO-nps@Aj based on CCD