CaCO3 nanoparticles NIR light Technology: general issues UV-Vis stability ZnO nanoparticles agar antibacterial activity antimicrobial activity carbon nanotubes (CNTs) colloidal crystal composite nanomaterials composites crystallisation dispersion electro-hydrodynamic atomization grafting high density polyethylene interfacial polymerization inverse opal magnetic nanoparticles mechanical and thermal properties mechanical performance mechanical properties nano-emulsions nanocomposite nanocomposite materials nanocomposites photoaged polyethylene photonic ball photopolymerization