Related by context. Frequent words. (Click for all words.) 59 Ultraviolet light 58 nanobubbles 57 ultraviolet UV light 57 paramagnetic 57 microbubbles 57 collagen fibers 56 lamellar 56 microbeads 55 fluorescent markers 54 ultrasonic waves 54 chemically 54 fluorescing 54 exudates 54 macromolecule 53 dentine 53 thermal ablation 53 silver nitrate 53 CO2 lasers 53 fluorescent probes 53 granulomas 53 nanocapsules 53 porphyrins 53 SWCNTs 52 nanoscale particles 52 photocatalyst 52 Zinc oxide 52 nanoporous 52 nanosized 52 titania 52 transdermal patches 52 Hydrogen peroxide 52 non ablative 52 keloid 52 pigment 52 biological molecules 51 dermabrasion 51 textured surfaces 51 fixative 51 mottling 51 dye molecules 51 radioactive tracer 51 tissue biopsies 51 Quantum dots 51 magnetic nanoparticles 51 exudate 51 acne lesions 51 topical creams 51 organic solvents 51 nano particle 51 chelators 50 crosslinking 50 radiotracer 50 polymer matrix 50 hydroxyl radicals 50 brittle nails 50 UV filters 50 x ray diffraction 50 pigments 50 microfabricated 50 laser resurfacing 50 Onychomycosis 50 tin oxide 50 PUVA 50 lasers 50 photochromic 50 fluorescent molecules 50 stimulate collagen 50 porphyrin 50 fluorophores 50 fluorescent dyes 50 nanobacteria 50 peroxides 50 Computed tomography 50 caustic chemicals 50 skin redness 50 magnetic particle 49 semiconductor nanocrystals 49 nasal cavities 49 reactive molecules 49 hyper pigmentation 49 hydroxyapatite 49 occlusive 49 whiteners 49 ultraviolet light 49 UV light 49 chromophores 49 gold nanorods 49 oxidizing agent 49 manganese oxide 49 exfoliants 49 electrocautery 49 sensory nerves 49 microscopy techniques 49 blackhead 49 keloids 49 electrochemically 49 magnetic beads 49 colloidal 49 DNA helix 49 inorganic compounds 49 collagen matrix