Related by context. Frequent words. (Click for all words.) 62 hydrogel 62 polymer 62 hydrophilic 61 hydrogels 61 polymeric 61 microspheres 61 micelles 61 microcapsules 60 hydroxyapatite 60 biocompatible 60 biotin 59 water soluble 59 liposomes 59 hydrophobic 58 glycerol 57 biodegradable polymers 57 topical cream 57 lipophilic 57 biodegradable polymer 57 hyaluronic acid 57 nanospheres 57 polymers 57 hyaluronan 56 polymer coating 56 membrane 56 liposome 56 potassium hydroxide 56 fibrin 56 fluorinated 55 chemically modified 55 chemically 55 surfactant 55 microsphere 55 phospholipids 55 microbubbles 54 isopropyl alcohol 54 surfactants 54 calcium phosphate 54 nanoparticle 54 polysaccharide 54 magnetic nanoparticles 54 biopolymer 54 functionalized 54 emollients 54 copolymer 53 membranes 53 nanoparticles 53 synthetic polymer 53 colloids 53 polymeric materials 53 nanocomposite 53 synthetic peptide 53 granules 53 silica gel 53 retinoids 52 collagen fibers 52 chitosan 52 ligands 52 soluble 52 microparticles 52 colloidal 52 liposomal 52 phospholipid 52 DMSO 52 copolymers 52 alginate 52 nanotubes 52 dendrimer 52 biomaterial 52 peptides 52 cationic 52 elastomeric 52 monomers 51 fullerene 51 ceramide 51 fullerenes 51 polylactic acid 51 epoxy resin 51 adhesive 51 titanium oxide 51 molecules 51 acrolein 51 polyesters 51 bioactive 51 SWNTs 51 cysteine 51 esters 51 butyl 51 biologically active 51 topically applied 51 nanofiber 50 granule 50 Quercetin 50 dendrimers 50 intestinal lining 50 dermal 50 topical gel 50 molecule 50 biological molecules 50 hydrolysis 50 vesicle