Related by context. Frequent words. (Click for all words.) 70 hydrogen ions 68 calcium ions 68 ions 67 sodium ions 67 dye molecules 66 metal ions 65 anions 65 biomolecule 64 micelles 64 molecules 64 excitons 63 hydrogen atoms 63 SWNTs 63 alpha particles 63 magnetic nanoparticles 62 oxygen atoms 62 nanospheres 62 reactants 62 anion 61 microbubbles 61 dopants 61 microchannels 61 hydroxide 61 graphene sheets 60 biological molecules 60 helices 60 electrons 60 aqueous solution 60 microstructures 60 microcapsules 60 liposomes 60 fibrils 60 fibronectin 60 molecule 59 adsorption 59 reversibly 59 carbonic acid 59 ferromagnetic 59 antiprotons 59 phonons 59 oxygen atom 59 adsorbed 59 nanocrystals 59 nanotubes 59 amyloids 59 oxidant 59 particles 59 electron beams 59 hydrogen atom 58 atoms 58 nanoparticles 58 oligomers 58 analyte 58 polypeptides 58 dimer 58 oxidants 58 dimers 58 hydride 58 DNA strands 58 cysteine 58 vesicle 58 filaments 58 biofilm formation 58 crystal lattice 58 nanometer sized 58 alkyl 58 collagen fibers 58 neutrons 57 monolayer 57 microparticles 57 ionic liquid 57 fermions 57 nuclei 57 ceramide 57 nanodiamonds 57 electron 57 cell membrane 57 odorants 57 rhodopsin 57 hydrolysis 57 adsorb 57 tiny pores 57 cytosol 57 adenine 57 microspheres 57 magnetic flux 57 crosslinking 57 glycoproteins 57 bosons 56 phospholipids 56 biochemical reactions 56 organic molecules 56 oxidizes 56 bile acids 56 phospholipid 56 subunits 56 viral particles 56 magnetization 56 crystals 56 functionalized 56 aerosol particles