Particle size analysis Particle size 47 Nanoparticles 10 Scanning electron microscopy 9 Morphology 8 Synthesis (chemical) 7 X ray diffraction 7 Crystallinity 6 Dust 6 Silica 5 Suspensions (fluids) 5 Anti-bacterial activity 4 China 4 Different particle sizes 4 Fourier transform infrared spectroscopy 4 Green synthesis 4 Particles sizes 4 Porosity 4 Shear flow 4 Silver 4 Sol-gel process 4 Sol-gels 4 particle size 4 Alumina 3 Antibacterial 3 Antibacterials 3 Antioxidants 3 Conductivity 3 Crystallite size 3 Decomposition 3