Related by context. Frequent words. (Click for all words.) 67 ultrasonic waves 64 dispersive 64 electrochemically 62 electromagnet 62 fluorescent molecules 61 zinc oxide nanowires 61 bilayer 61 gold nanorods 61 gate electrode 61 dye molecules 60 resonators 60 sinusoidal 60 resonator 59 oscillatory 59 electromagnets 59 diffraction pattern 59 metastable 59 electron beams 59 Piezoelectric 59 hydroxyl radicals 59 terahertz radiation 59 scanning tunneling microscope 58 ultrasonics 58 absorbance 58 resonant frequency 58 toroidal 58 photonic crystal 58 magnetic fields 58 magnetization 58 radially 57 magnetic particles 57 chromophores 57 frequency comb 57 X ray beam 57 microchannel 57 electrically conducting 57 SiO 2 57 lamina 56 neodymium magnets 56 chromophore 56 beam splitter 56 nanofibres 56 microchannels 56 laser pulse 56 ribozyme 56 manganese oxide 56 magnetic beads 56 silicon nitride 56 waveguide 56 excitons 56 microelectrodes 56 ferrite 56 PZT 56 porphyrin 56 monomeric 56 reactant 56 combustion gases 56 pulsations 56 cavitation 56 dopant 56 magnetic flux 56 electrochemical reaction 56 near infrared spectroscopy 56 confocal microscope 56 hydrogen ions 56 superconducting magnet 56 transducer 56 microstructures 56 porphyrins 55 X ray fluorescence 55 nanospheres 55 crystal lattice 55 polymer matrix 55 microfluidic chip 55 collimator 55 microbubbles 55 amide 55 nanocrystalline 55 ganglion cells 55 eutectic 55 anneal 55 inchworm 55 photoluminescence 55 directivity 55 millivolts 55 dentin 55 venturi 55 torsional 55 helices 55 dsRNA 55 monolayers 55 dipoles 55 silicon atoms 55 Impedance 55 ultraviolet UV light 55 excitation 55 electron density 55 nitrogen atoms 55 plasmons 55 sine wave 55 collagen matrix