Related by context. Frequent words. (Click for all words.) 58 nano particles 58 hydroxide 57 microcapsules 57 ionic liquid 56 nanoparticles 56 titanium oxide 56 micelles 56 adsorbent 56 ions 55 microparticles 55 hydrogen ions 55 organic solvents 54 naturally occurring bacteria 54 harmful toxins 54 bacteria 54 endotoxins 54 nanospheres 54 antibacterial properties 54 ionized 53 sulphate 53 silver nanoparticles 52 biofilm 52 oxidizes 52 Hydrogen peroxide 52 biocide 52 oxidizing 52 potassium hydroxide 52 Triclosan 52 harmful pathogens 52 hydride 52 nanosilver 52 microbubbles 52 water soluble 51 polymer coating 51 impurities 51 bile acids 51 antibacterial 51 tiny pores 51 carbonic acid 51 anti microbial 51 bacterium 51 aluminum oxide 51 chlorine 51 organic acids 51 microspheres 51 harmful contaminants 51 anaerobic bacteria 51 metal ions 51 bactericidal 51 phosphors 50 magnetic nanoparticles 50 noxious chemicals 50 micro organisms 50 antimicrobial 50 viral particles 50 microorganism 50 aqueous solution 50 silica gel 50 magnesium oxide 50 softeners 50 pathogenic bacteria 50 biodegradable polymer 50 sodium hypochlorite 50 calcium ions 50 granules 50 activated charcoal 50 oxalic acid 50 hydrogel 50 chloride 50 detergents 50 chlorine bleach 50 detergent 50 bacteria fungi 50 microorganisms 49 hydrogels 49 metal oxides 49 sodium hydroxide 49 toxin 49 isopropyl alcohol 49 particles 49 micro organism 49 anions 49 nanomaterial 49 hydroxyapatite 49 liposomes 49 chlorine dioxide 49 coagulant 49 sorbent 49 inorganic materials 49 chemically 49 soluble 49 anodes 49 nanotubes 49 Hydrochloric acid 49 activated sludge 49 fluorine 49 encapsulant 49 zeolites 49 harmful chemicals 48 formic acid 48 polymer