Research Article
Polyelectrolyte Complexation versus Ionotropic Gelation for Chitosan-Based Hydrogels with Carboxymethylcellulose, Carboxymethyl Starch, and Alginic Acid
Figure 3
Optical micrographs of a hydrogel sample made by ionotropic gelation from CMC 1.6% and CaCl2 4.9% w/v. Scale 50x.