Related by context. Frequent words. (Click for all words.) 87 molecules 77 proteins 75 enzyme 73 peptide 72 nanoparticle 71 peptides 71 molecular 71 receptor 70 ligand 69 cell membrane 69 protein 69 nanoparticles 68 protease 68 enzymes 68 atoms 67 ligands 67 intracellular 67 receptors 67 amino acid 66 cell membranes 66 nanocrystals 65 subunits 65 quantum dot 65 biomolecules 65 quantum dots 65 nanotubes 65 nucleotide 65 hydrogen atoms 65 amino acids 65 signaling pathway 64 RNAs 64 nanotube 63 organic molecules 63 carbon atoms 63 membrane 63 mammalian cells 63 tumor cells 62 electron 62 siRNA 62 ion channel 62 subunit 62 microtubules 61 RNA 61 phosphorylation 61 glutamate 61 nerve cells 61 nanowires 60 nucleotides 60 antibody 60 electrons 60 nanoscale 60 proton 60 microRNAs 60 kinase 60 neurons 60 neuron 60 ion channels 60 lipids 60 nanostructures 60 nanowire 60 nuclei 60 miRNAs 59 enzymatic 59 gene 59 ribosome 59 messenger RNA 59 transcription factor 59 carbon nanotubes 59 C. elegans 59 mitochondria 59 siRNAs 59 small molecule 59 nucleic acids 59 lipid 59 genes 59 mRNA 59 antibodies 59 protein synthesis 59 cells 59 microRNA 59 astrocytes 58 neurotransmitter 58 Molecules 58 immune cells 58 nano scale 58 particles 58 graphene 58 miRNA 58 particle 58 antigen 58 bioactive 57 hydrophobic 57 transcription factors 57 filaments 57 inhibitor 57 adenosine 57 biologically active 57 bacterium 57 vesicles 57 chemically 57 organism