From: Optimize the parameters for the synthesis by the ionic gelation technique, purification, and freeze-drying of chitosan-sodium tripolyphosphate nanoparticles for biomedical purposes
pH
Particle size (nm)
PDI
Zeta potential (mV)
4.6
110.4 ± 2.158
0.245 ± 0.028
34.90 ± 2.26
5.0
122.1 ± 3.253
0.219 ± 0.013
29.83 ± 0.83
5.5
172.8 ± 3.937
0.166 ± 0.008
25.00 ± 0.79