Fourier transform infrared spectroscopy 8 Article 7 nonhuman 5 Density functional theory 4 Energy gap 4 Nanostructured materials 4 Polymers 4 X ray diffraction 4 chemistry 4 controlled study 4 unclassified drug 4 Animals 3 Chitosan 3 Coatings 3 Electronic properties 3 Optical properties 3 Personal protective equipment 3 Pore size 3 Protective clothing 3 Sustainable development 3 animal experiment 3 animal tissue 3 male 3 particle size 3 priority journal 3 rat 3 3D printing 2 Accident prevention 2 Additives 2 Antibacterial properties 2