Nanoparticles 131 nanoparticle 61 chemistry 54 Article 51 human 46 Humans 39 Metal nanoparticles 37 Synthesis (chemical) 32 nanoparticles 32 Diseases 29 Gold nanoparticles 29 controlled study 28 Nanocomposites 27 Silver nanoparticles 25 Animals 23 Targeted drug delivery 23 nonhuman 23 procedures 23 animal 22 silver nanoparticles 21 Controlled drug delivery 20 Metal Nanoparticles 18 Nanofluidics 18 metabolism 18 metal nanoparticle 18 particle size 18 Fourier transform infrared spectroscopy 17 Silica nanoparticles 17 mouse 17 unclassified drug 17