Related by context. Frequent words. (Click for all words.) 65 luminescence 64 fluorescent 62 fluorescent protein 62 spectroscopy 62 quantum dots 61 microscopy 61 quantum dot 60 Raman spectroscopy 59 wavelengths 59 magnetization 59 fluoresce 58 electron microscopy 58 photon 58 Fluorescent 58 spectra 57 photons 57 excitation 57 phosphors 57 nanocrystals 57 flow cytometry 56 diffraction 56 biomolecules 56 luminance 56 ionization 56 laser pulse 56 UV light 55 laser pulses 55 wavelength 55 waveguide 54 spectroscopic 54 infrared 54 optically 54 ultraviolet light 54 refractive index 54 reflectance 54 electron 54 ultra violet light 54 electrochemical 53 vivo 53 photoreceptors 53 retinal cells 53 infrared laser 53 brightness 53 analytes 53 nuclei 53 spectral 52 endothelial cell 52 molecule 52 GFP 52 mammalian cells 52 molecules 52 genomic DNA 52 cytotoxicity 52 electrons 52 phosphor 52 gamma 51 nanoparticle 51 proteins 51 bioluminescence 51 conductance 51 colloidal 51 luminescent 51 THz 51 cultured cells 51 nanowire 51 substrate 51 infrared radiation 51 nanostructure 51 μm 51 peptides 51 qubit 51 cAMP 51 IgG 51 chlorophyll 51 nanoparticles 51 infrared wavelengths 51 nucleotide 51 waveguides 51 luminosity 51 light emitting 50 mass spectrometry 50 membrane proteins 50 microspheres 50 gene expression 50 lumen 50 conductivity 50 tomography 50 detector 50 adsorption 50 tumor cells 50 spectrometer 50 infrared IR 50 mass spectrometer 50 cyan 50 methylation 50 ultraviolet 50 UV 50 microscale 50 planar 50 molecular 50 RNA molecules