Related by context. Frequent words. (Click for all words.) 70 droplets 60 tiny droplets 59 particles 57 particle 56 molecules 56 viral particles 55 raindrop 55 pipette 54 granules 53 membrane 53 nozzle 53 microcapsules 53 colloidal 53 capillary 53 molecule 52 vesicle 52 adsorbed 52 capillaries 51 cell membrane 51 substrate 51 atoms 50 filaments 50 monolayer 50 oxygen atoms 50 hydrophobic 50 laser pulse 50 nanoparticle 50 nanocrystals 50 nanotubes 50 microscale 50 crystals 49 nanotube 49 microspheres 49 hydrogen atoms 49 spherical 49 fluorescent dye 49 aqueous 49 vortices 48 ions 48 electron 48 photons 48 microscopic particles 48 filament 48 nanoparticles 48 beaker 48 electrode 47 microstructures 47 globules 47 membranes 47 hydrogel 47 nanopore 47 biofilm 47 granule 47 nanowires 47 nano particles 47 emulsion 47 liposome 47 thin layer 47 DNA strands 47 impeller 47 spore 47 electrons 47 electrostatic 47 nanowire 46 nanostructure 46 ionized 46 vapor 46 liposomes 46 pores 46 outer membrane 46 adsorption 46 magnetization 46 proton 46 microorganism 46 solids 46 dust particles 46 microparticles 45 strainer 45 hydrophilic 45 fungal spores 45 microscopic 45 vesicles 45 nucleation 45 hydrogen atom 45 quantum dots 45 magnetic nanoparticles 45 refractive index 45 fluid 45 nuclei 45 biomolecules 45 spores 45 nanorods 45 microscopically 45 tiny particles 44 Particles 44 macromolecules 44 aerosol 44 sensor 44 puddle 44 cell membranes 44 chemical reactions