Related by context. Frequent words. (Click for all words.) 61 nanoshells 59 iridescence 58 nanocrystals 58 quantum dots 57 gold nanorods 57 photonic crystal 57 photonic crystals 57 microelectrodes 56 nanotubes 56 plasmonic 56 nanorods 56 chromophores 56 excitons 56 nanocrystal 55 optical microscopy 55 quantum dot 55 nanoparticles 55 fluorescent dyes 55 dye molecules 55 biological molecules 55 phosphorescence 55 Quantum dots 55 shorter wavelengths 55 X ray beam 55 fluorescent proteins 55 terahertz radiation 55 crystals 54 fluorescent dye 54 fluorescing 54 plasmons 54 spectrally 54 nanostructure 53 pulsed laser 53 frequency comb 53 visible wavelengths 53 nanowires 53 electron density 53 carbon nanotubes 53 X ray beams 53 Nanowires 53 dispersive 53 magnetic fields 52 X ray emission 52 scanning tunneling microscope 52 SWNTs 52 interferometry 52 optical microscopes 52 photodetector 52 nanoscale structures 52 wavelengths 52 fluoresce 52 nanoscopic 52 fluorescence 52 wavefront 52 ribozyme 52 magnetic particles 52 diffractive 52 nanowire 52 retinal cells 52 microstructures 52 Hubble observations 52 ultrasonic waves 52 laser pulse 52 QDs 52 nanoribbons 52 photons 51 Metamaterials 51 SWCNTs 51 metamaterial 51 haloes 51 nanostructures 51 magnetic nanoparticles 51 Hawking radiation 51 laser pulses 51 nanoparticle 51 ultrasonics 51 infrared laser 51 luminescence 51 gravitational lensing 51 odorants 51 optically 51 microscale 50 exciton 50 diffraction 50 nanoscale 50 reddish hue 50 silicon nanowires 50 photodiode 50 morphologies 50 nacre 50 glycan 50 nanospheres 50 infrared spectroscopy 50 electron beams 50 ultrasmall 50 ultraviolet UV light 50 atoms 50 iron oxide nanoparticles 50 femtosecond laser 50 micelles 50 dopants