Related by context. Frequent words. (Click for all words.) 69 paramagnetic 65 porphyrin 65 analyte 64 chromophore 63 radiotracer 63 fluorophores 62 absorbance 62 dopant 62 supernatant 62 diffraction pattern 62 fluoresces 61 dispersive 61 elemental composition 61 nanosized 60 radioactive tracer 60 plasmon 60 fluorescent probes 60 fluorescence 60 fluorescing 60 biomolecule 60 crystallinity 60 fluorescent molecules 60 monomeric 59 silicon atoms 59 colorimetric 59 electrophoretic 59 γ 59 X ray fluorescence 59 electrochemically 58 Ultraviolet light 58 oxidizing agent 58 x ray diffraction 58 aldehyde 58 fluorescent dyes 58 histidine 58 titania 58 magnetic beads 58 amide 58 PCR amplification 58 electron density 58 nanoparticulate 58 photoluminescence 58 dye molecules 58 nitrogen atoms 57 peroxides 57 FRET 57 #m Tc 57 porphyrins 57 radiolabeled 57 bile acid 57 hydroxide 57 alkanes 57 helium atoms 57 nanobubbles 56 dimethyl 56 photosensitizer 56 oxidise 56 fluorescent dye 56 osmium 56 fluorescently labeled 56 ultrapure 56 semiconductor nanocrystals 56 silver nitrate 56 nitric 56 diffracted 56 elution 56 ionised 56 isotropic 56 reactants 56 isotope ratios 56 inorganic compounds 56 crystallographic 56 microfabricated 56 spectrally 56 H#O# 56 permittivity 56 coating thickness 55 ultrasonic waves 55 Fig. 1A 55 spectra 55 synthetic peptides 55 noble gases 55 manganese oxide 55 ceria 55 chromophores 55 Supplementary Fig 55 tin oxide 55 alpha particles 55 immunofluorescence 55 micrometre 55 stable isotope 55 analytes 55 gene amplification 55 lytic 55 stoichiometric 55 quantitative PCR 55 ultraviolet UV light 55 PCR assay 55 anisotropy 55 microbubbles 55 pentane