Related by context. Frequent words. (Click for all words.) 52 absorbance 52 fluorescence 50 theta 50 amplitudes 49 excitation 49 FRET 48 magnetization 48 anisotropy 48 confocal microscopy 46 alpha beta 46 voxel 46 diffraction 45 α 45 cyan 45 Fluorescence 45 brightness 45 biomolecule 45 luminance 45 quantitation 44 confocal 44 resonant frequency 44 dopant 44 photometric 44 MeV 44 analyte 44 ICP OES 43 spectra 43 spectroscopic 43 mitotic 43 Gamma 43 fluorescence imaging 43 tomography 43 detector 43 mRNA expression 43 spectrometry 42 scalar 42 photon 42 conductance 42 wavefront 42 Supplementary Fig 42 isomers 42 spectroscopy 42 alpha 42 luciferase 42 Raman spectroscopy 41 transmittance 41 frequency comb 41 lambda 41 laser pulses 41 fluorescence microscopy 41 spectral 41 visible wavelengths 41 transmission electron microscopy 40 transfected 40 fluorescent dyes 40 isotropic 40 photodiode 40 chromatographic 40 gel electrophoresis 40 transduction 40 radiolabeled 40 synchrotron radiation 40 cAMP 40 bandgap 39 ionization 39 planar 39 nm wavelength 39 ultrasonic waves 39 Suzaku 39 MALDI 39 μm 39 β 39 femtosecond 39 photoreceptor 39 lasing 39 cytoplasmic 39 PrP 39 interferometry 39 picoseconds 39 wavelengths 39 electron beams 39 muon 38 phosphor 38 X ray beam 38 binary 38 dimer 38 vasodilation 38 phospholipid 38 InGaAs 38 infrared 38 transmission electron microscope 38 microscopy 38 luminescence 38 leukocyte 38 isoform 38 phosphors 38 serine 38 methylation 38 mass spectrometer 37 survivin 37 homeostatic