Fourier transform infrared spectroscopy 8 Article 7 nonhuman 5 Density functional theory 4 Energy gap 4 Nanostructured materials 4 Photocatalysis 4 Polymers 4 Titanium dioxide 4 X ray diffraction 4 chemistry 4 controlled study 4 finite element analysis 4 unclassified drug 4 viscoelasticity 4 3D printing 3 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 TJ Mechanical engineering and machinery 3 Tissue engineering 3 animal experiment 3 animal tissue 3 cucurbit[n]uril 3