Fig. 2From: In vitro physiological and antibacterial characterization of ZnO nanoparticle composites in simulated porcine gastric and enteric fluidsInfrared spectra obtained for (a) sodium alginate (trace I) and chitosan (trace II); (b) ZnO nano (trace I), commercial ZnO (trace II), ZnO/CAT (trace III) and ZnO/CA (trace IV)Back to article page