Related by context. Frequent words. (Click for all words.) 65 hydrogel 62 microspheres 62 biodegradable polymers 62 biocompatible 61 liposome 61 polymer coating 61 microsphere 60 polymer 60 microcapsules 59 biopolymer 59 polymeric 57 polyethylene glycol 57 bioactive 57 nanoparticle 56 hydrogels 56 water soluble 56 liposomal 56 polylactic acid 56 biomaterial 55 chitosan 55 magnetic nanoparticles 55 synthetic peptide 55 hydrophilic 54 fibrin 54 granules 54 nanoparticles 54 membrane 54 liposomes 54 micelles 54 calcium phosphate 54 dry powder inhaler 54 alginate 53 nanofiber 53 nanospheres 53 synthetic polymer 53 microparticles 53 biodegradable 53 Sirolimus 52 nano structured 52 biologically active 52 polymers 52 microbubbles 52 topically applied 51 copolymer 51 dendrimer 51 microneedles 51 aptamer 50 transdermal delivery 50 gel 50 degradable 50 transdermal patch 50 hydroxyapatite 50 optical biosensors 50 silver ions 50 peptide 50 hydrophobic 50 fibrin sealant 50 stent 50 silica gel 50 excipient 50 nanomaterial 50 molecule 50 polysaccharide 49 gelatine 49 adsorbent 49 nitinol 49 carbon nanotubes 49 radiolabeled 49 membranes 49 recombinant protein 49 soluble 49 topical cream 49 granule 48 siRNA molecules 48 active ingredient 48 drug eluting 48 DMSO 48 fullerene 48 excipients 48 proprietary formulation 48 molecules 48 nanotubes 48 moldable 48 block copolymers 48 nanocomposite 48 biodegradable plastic 48 electrode 48 topical gel 48 surfactant 48 adhesive 48 mucin 47 potassium hydroxide 47 balloon catheter 47 nanodiamonds 47 biofilm 47 phospholipid 47 nanocrystals 47 extracellular matrix 47 RPE cells 47 colloidal 47 fusion protein