Related by context. Frequent words. (Click for all words.) 67 membranous 66 boron nitride 64 toroidal 64 paramagnetic 63 spherical 63 nanosized 62 crystal lattice 62 tetrahedral 62 manganese oxide 62 ellipsoid 62 nanoporous 62 tetrahedron 62 DNA helix 62 tubules 62 interstellar clouds 61 nanorod 61 antiparticles 61 papillae 61 nanometer sized 61 microfabricated 61 orbitals 61 protuberances 61 morphologies 61 crosslinked 61 vacuoles 61 γ 61 microstructural 61 torus 61 planetesimals 61 supramolecular 60 protoplanetary disk 60 nanoscopic 60 photosphere 60 synovial 60 stromal 60 protostars 60 bilayer 60 anisotropic 60 lamina 60 nuclei 60 microstructures 60 lithosphere 60 aragonite 59 monolayers 59 clasts 59 graphene sheets 59 threadlike 59 histidine 59 alternating layers 59 calcite 59 laminae 59 filamentous 59 globular 59 curvatures 59 submicron 59 collagen fibers 59 macromolecules 59 pentagons 59 uraninite 59 SiO 2 59 hollow tubes 59 nanodots 58 nitrogen atoms 58 agglomerates 58 icy moons 58 ionized gas 58 porphyrin 58 epithelia 58 mesoderm 58 silicon atoms 58 laminar 58 senile plaques 58 planetary nebulae 58 Fig. 1A 58 silicates 58 nodular 58 electron density 58 radially 58 filaments 58 unicellular 58 hydride 58 anionic 58 nanobubbles 58 micrometre 58 electrochemically 58 cryostat 58 scalloped edges 58 spacetime 58 moonlets 58 dimers 57 iron oxides 57 osseous 57 liquid droplets 57 blebs 57 optical lattice 57 exosphere 57 polypeptides 57 hexagonal 57 siliceous 57 nanocrystalline 57 dye molecules