Related by context. Frequent words. (Click for all words.) 64 microspheres 64 nano particle 63 liposome 61 nanoparticle 61 hydrogel 61 biodegradable polymer 61 microbubbles 61 nanospheres 60 nanocrystal 59 polymer 59 QDs 58 iron oxide nanoparticles 58 nanofiber 58 adsorbent 58 radiolabeled 58 liposomal 58 fluorescence imaging 57 crosslinking 57 micelles 57 synthetic polymer 57 porous silicon 57 biocompatible 57 Doxorubicin 57 synthetic peptide 56 bioactive 56 magnetic nanoparticles 56 photonic crystal 56 polymeric 56 prodrug 56 calcium phosphate 56 nitinol 56 microstructures 56 quantum dots 56 monolayer 56 quantum dot 55 microparticles 55 dendrimer 55 hydroxyapatite 55 polymer coating 55 bilayer 55 peptide 55 substrate 55 alginate 55 nanocomposite 55 liposomes 55 polyethylene glycol 55 nanoparticles 55 biodegradable polymers 55 carbon nanotubes 55 CNTs 55 silicon nitride 54 phospholipid 54 hydrogels 54 femtosecond laser 54 passivation 54 optical biosensors 54 orally bioavailable 54 fullerenes 54 hyaluronic acid HA 54 ionic liquid 54 fibrin sealant 54 hydrophilic 54 fullerene 53 carbon nanotube 53 optical tweezers 53 biopolymer 53 nano structured 53 confocal microscopy 53 electrode 53 nanotube 53 laser ablation 53 fibrin 53 molecule 53 macromolecules 53 nanomaterial 53 nanoshells 53 dopant 53 biomaterial 53 dye molecules 53 siRNA delivery 53 recombinant protein 53 nanotubes 52 membrane 52 SiO2 52 nanostructured 52 humanized anti 52 nanometer sized 52 dendrimers 52 polylactic acid 52 analyte 52 microcapsules 52 mesenchymal cells 52 SWNTs 52 Nanoparticle 52 fusion proteins 52 MAb 52 protein fragment 52 encapsulant 52 polypeptide 52 molecules 52 reproducibly