Related by context. Frequent words. (Click for all words.) 61 helices 59 oxygen atom 58 carbon atom 58 oxygen atoms 58 subunits 57 alkyl 57 carbon atoms 57 isomers 55 polypeptides 55 dimers 55 crystal lattice 55 thymine 54 bilayer 54 anions 54 amino acids 54 dye molecules 54 molecules 54 SWNTs 53 monomers 53 dimer 53 nanospheres 53 Fig. 1A 53 chiral 53 hydrogen atoms 53 filaments 52 adenine 52 fermions 52 exciton 52 reactants 52 SiO 2 52 cytosine 52 micelles 52 serine 52 alternating layers 52 ligands 51 aldehyde 51 antiprotons 51 conformations 51 excitations 51 QDs 51 spatial dimensions 51 biomolecule 51 GPa 51 atoms 51 graphene sheets 51 oligomers 51 phospholipids 51 proline 51 reactant 50 polypeptide 50 nanometer sized 50 nuclei 50 analyte 50 lipophilic 50 macromolecules 50 zeolites 50 nucleotides 50 adsorbed 50 fibrils 50 bosons 49 aldehydes 49 calcite 49 Amino acids 49 whorls 49 lattices 49 microstructures 49 graphitic 49 resonators 49 molecule 49 monolayer 49 radially 49 sepals 49 dopant 49 calcareous 49 intercalated 49 chirality 49 magnetic particles 49 odorants 49 oligosaccharides 48 lobed 48 tubules 48 nanometers thick 48 semiconducting 48 crystalline structure 48 hydrogen ions 48 iron oxides 48 nucleotide 48 symmetrically 48 sodium ions 48 dopants 48 fluorescent dyes 48 indole 48 codons 48 functionalized 48 guanine 48 glycans 48 hydroxyl 48 phonons 48 alpha particles 48 salt crystals 48 receptor proteins