Related by context. Frequent words. (Click for all words.) 71 fluorescent dyes 71 fluorescence 68 dye molecules 67 fluorescent dye 66 fluorescent proteins 66 FRET 65 wavelengths 64 confocal microscopy 64 visible wavelengths 64 quantum dots 64 biomolecule 63 photodetector 63 analyte 63 quantum dot 62 fluoresce 62 interferometry 62 fluorescence microscopy 62 absorbance 62 photonic crystal 61 Quantum dots 61 shorter wavelengths 61 photodiodes 61 exciton 61 laser pulse 61 Fluorescence 61 photodetectors 60 photodiode 60 biological molecules 60 luciferase 60 fluorescent protein 60 optical microscopy 60 fluorescence imaging 60 infrared wavelengths 60 macromolecules 60 excitons 59 spectra 59 Raman spectroscopy 59 analytes 59 gel electrophoresis 59 nm wavelength 59 nanocrystal 59 dopant 59 molecules 59 SWNTs 59 biomolecules 59 microstructures 59 nanospheres 59 diffraction 58 functionalized 58 nanocrystals 58 confocal 58 microbubbles 58 transmission electron microscopy 58 spectroscopy 58 photonic crystals 58 electron beams 58 plasmons 58 spectroscopic 57 RNA molecule 57 situ hybridization 57 molecule 57 photons 57 reproducibly 57 Supplementary Fig 57 photoreceptor 57 laser pulses 57 rhodopsin 57 nuclei 57 MALDI 57 dopants 57 genomic DNA 56 molecularly 56 transmission electron microscope 56 alpha particles 56 diffractive 56 ligands 56 photon 56 phosphors 56 fluorescent 56 phosphorescence 56 wavelength 56 receptor proteins 56 odorants 56 CNTs 56 magnetic nanoparticles 56 electron microscopy 56 scanning tunneling microscope 56 nanoshells 56 luminescence 55 particle sizes 55 X ray beam 55 spectrometry 55 anions 55 femtosecond 55 infrared spectroscopy 55 microsphere 55 femtosecond laser 55 amplitudes 55 beamline 55 InGaAs 54 dimer