Fig. 2From: Optimize the parameters for the synthesis by the ionic gelation technique, purification, and freeze-drying of chitosan-sodium tripolyphosphate nanoparticles for biomedical purposesA Main effects plot for PDI, (B) Interactions plot for PDI, (C) Contour plot of drip time vs. pH at 500 rpm for PDI, (D) 3-D contour plot representing the effect of drip time, pH, and stirring rateBack to article page