Related by context. Frequent words. (Click for all words.) 52 ultraviolet light 51 fluorescence 50 phosphorescent 50 fluorescent protein 49 luminescence 49 fluoresce 49 fluorescent 48 infrared laser 47 quantum dots 47 luminescent 47 fluorescent dye 47 florescent 47 lasers 46 biomolecules 46 fluorescence microscopy 45 algae 45 light emitting 45 alga 45 cyanobacteria 45 sea urchins 44 Fluorescent 44 photosynthesis 44 UV light 44 jellyfish 44 electrochemical 44 ultra violet light 44 marine organisms 44 photodynamic therapy 44 quantum dot 44 microorganisms 44 Raman spectroscopy 44 microorganism 44 molecular 43 nanocrystals 43 infrared imaging 43 photosynthetic 43 organisms 43 ultraviolet 43 spectroscopy 43 nanocrystal 43 infrared 43 laser pulses 43 retinal cells 43 Fluorescence 43 chlorophyll 43 magnetic fields 43 infrared radiation 42 microbes 42 nanoscale 42 light emitting diodes 42 photosensitive 42 diatoms 42 laser 42 photoreceptors 42 ionization 42 algal 42 anemones 42 phytoplankton 42 micro organisms 42 mammalian cells 42 firefly 41 spectroscopic 41 strobe light 41 illumination 41 sea creatures 41 microscopy 41 nanostructures 41 infra red 41 flow cytometry 41 algal blooms 41 electron microscopy 41 terahertz 41 magnetic nanoparticles 41 fireflies 41 photons 41 chemical reactions 41 LEDs 41 holography 40 phosphors 40 nanoparticles 40 scanning electron microscope 40 microscale 40 protozoa 40 photon 40 vortices 40 laser beams 40 zooplankton 40 laser pulse 40 organic molecules 40 gallium nitride 40 molecules 40 holographic 40 aquatic creatures 40 metamaterial 40 infrared IR 39 bacteria 39 GFP 39 pathogenic bacteria 39 auroras 39 tumor cells 39 tracers