Fig. 4From: Optimize the parameters for the synthesis by the ionic gelation technique, purification, and freeze-drying of chitosan-sodium tripolyphosphate nanoparticles for biomedical purposesParticle size and PDI of samples as a function of dialysis time (3, 5, and 21 h). A CS-TPP NPs without surfactant, (B) CS-TPP NPs with P80, and (C) CS-TPP NPs with P188. n = 3; one-way ANOVA, Tuckey post hoc test. * p < 0.05 between the points studied and the sample at 3 h of dialysisBack to article page