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(Click for frequent words.) 80 isotope 71 radioisotopes 63 radioactive isotopes 60 medical isotopes 60 technetium #m 56 radioisotope 55 radioactive isotope 55 isotope ratios 54 element osmium 53 technetium 52 superheavy element 52 nuclides 52 radioactive decay 51 isotopic 51 medical radioisotopes 51 Tc #m 51 neutrons 51 isotope technetium 51 osmium 51 noble gases 50 fissionable uranium 50 radioactive tracers 50 actinides 50 carbon isotopes 49 chemically indistinguishable 49 primitive meteorites 49 lanthanides 49 isotope reactor 49 Higgs bosons 49 isotope technetium #m 49 radionuclide 48 uranium thorium 48 californium 48 apatite 48 Technetium 48 isotopic ratios 48 NRU reactor 48 hydrogen isotopes 48 CANDU reactors 48 spontaneous fission 48 uranium dioxide 48 isotope fractionation 48 atomic nuclei 48 rubidium 47 irradiators 47 uranium oxide 47 Technetium #m 47 absorb neutrons 47 isotope molybdenum 47 radionuclides 47 emits gamma rays 47 ion beam 47 nuclide 47 radioactive 47 nuclei 47 samarium 47 nanomagnets 47 nitrogen isotopes 47 zircons 47 uranium ores 47 isotopic composition 47 americium 47 martian meteorites 47 PET scanners 46 Martian meteorites 46 oxygen isotopes 46 cosmogenic 46 fissionable 46 actinide 46 astatine 46 catalytically active 46 radioiodine 46 chondrites 46 isotopic compositions 46 uranium 46 thorium 46 antineutrinos 46 radiopharmaceuticals 46 technitium 46 calcium fluoride 46 isotope shortage 46 magnetic resonance NMR spectroscopy 46 iridium 46 fission fusion 45 fluorescence spectroscopy 45 thermodynamic calculations 45 fission reactions 45 Nordion 45 chondritic meteorites 45 accelerator mass spectrometry 45 neutron beams 45 antiparticles 45 magnetic resonance spectroscopy 45 cyclotron 45 curies 45 antineutrino 45 antihelium 4 45 aerosol particles 45 solar neutrinos 45 dysprosium 45 radioactive material 45 deuterium 45 scanning electron microscopes 45 technetium #m Tc #m 45 tellurium 45 THz radiation 45 meteorites 45 CAIs 45 promethium 45 photons particles 45 sulfur isotopes 45 superheavy elements 44 MAPLEs 44 mass spectroscopy 44 spherical particles 44 luminescence dating 44 radioactive nuclei 44 cesium 44 Isotope 44 photon energies 44 biomineralization 44 alpha particles 44 NanoSIMS 44 Petten reactor 44 producing radioisotopes 44 organic molecules 44 potassium iodine 44 ultrashort pulses 44 sterile neutrino 44 silicate minerals 44 chondrules 44 enriched uranium 44 hemoglobins 44 electron neutrinos 44 gamma rays emitted 44 magnetic excitations 44 cobalt 44 radioactive tracer 44 plutonium oxide 44 Nanoshells 44 particle accelerators 44 Chalk River 44 carbon isotope 44 wavelengths 44 quantum oscillations 44 millicuries 44 helium atoms 44 swallowing radioactive iodine 44 planetesimals 44 iodine 44 hydrogen nuclei 44 KamLAND 44 thorium reactor 44 biosignature 43 hematite mineral 43 electron beams 43 cometary material 43 synchrotron 43 rhenium Re 43 nanoclusters 43 laser irradiation 43 biosignatures 43 atmospheric aerosols 43 exoplanetary systems 43 single celled algae 43 semiconducting materials 43 particle sizes 43 nanoparticles 43 atom smashers 43 supersymmetric particles 43 neutron beam 43 zeolites 43 hydrogen deuterium 43 antihelium 43 geoneutrinos 43 nonradioactive 43 radioactive substances 43 helium atom 43 carbonate globules 43 axions 43 corundum 43 oxygen isotope 43 cyclotrons 43 MAPLE reactors 43 stony meteorites 43 Candu reactors 43 UF6 43 microcrystals 43 alpha emitter 43 element boron 43 cerium 43 AECL 43 metalloproteins 43 cited krypton strontium 43 magnetic particles 43 Nanoprobe 43 lunar soil 43 colliders 43 olivine 43 helium isotopes 43 radioactive byproducts 43 Murchison meteorite 43 reactor 43 atoms 43 alkali metal 43 RRATs 43 hydrogen helium 43 nanotubes 43 dopants 42 DNA Deoxyribonucleic Acid 42 coccolithophores 42 chemically reactive 42 fuel rods 42 mass spectrometer 42 coral skeletons 42 geochemists 42 PFCAs 42 mesoporous 42 ultraviolet wavelengths 42 neutron radiation 42 tritium 42 tau neutrinos 42 radiotracers 42 gallium indium 42 fission 42 zinc sulfide 42 iron arsenide 42 plutonium 42 carbonatites 42 cell nuclei 42 bismuth 42 neutrons emitted 42 ion beams 42 thorium reactors 42 muon 42 nanoprobes 42 AB Aurigae 42 millisecond pulsars 42 naturally occurring radioactive 42 krypton 42 eBx 42 hydrogen isotope 42 Lantheus 42 fluorescent probes 42 dopant 42 solar nebula 42 nanoantennas 42 Mitochondrial DNA testing 42 proton antiproton collisions 42 oxygen isotope ratios 42 polarized electrons 42 titanium dioxide nanoparticles 42 Synchrotron 42 neutrino experiments 42 neutron 42 tetroxide 42 U Th 42 capillary sequencing 42 planets atmospheres 42 isotope ratio 42 interstellar dust grains 42 isotopic measurements 42 magnetic fields 42 strontium 42 chondritic 42 Oklo 42 sparticles 42 phyllosilicate 42 carbonate minerals 42 interferometers 42 supernovae 42 FLT PET 42 neutralinos 42 deuterium hydrogen 42 meteorite fragments 42 magnetic resonance NMR 42 nanopowders 42 alpha emitters 42 radioactive substance 42 DSSCs 42 radiochemical 41 tungsten 41 polaritons 41 photosynthetically 41 nuclear fission reactors 41 germanium antimony 41 rocky planets 41 reactors 41 isotope hydrology 41 meteoritic material 41 ultrafast lasers 41 X ray spectrometer 41 polymer beads 41 Laboratory NSCL 41 yttrium barium copper 41 MDS Nordion 41 ActLabs 41 monazite 41 beryllium oxide 41 MPc 41 spectroscopic techniques 41 emitting radiation 41 rhenium 41 methanogens 41 nano particles 41 microscopic crystals 41 carbonaceous chondrite 41 lutetium 41 carbon isotope ratios 41 helium nuclei 41 photochemical reactions 41 Radioisotope 41 post perovskite 41 magnetic monopoles 41 formamide 41 fission reactor 41 spectroscopic analysis 41 microbial organisms 41 Cesium 41 Henri Becquerel 41 Tonoyan suggested 41 neutron activation 41 stable isotope 41 niobium 41 zircon crystals 41 spectrometry 41 beamline #.#.# 41 metallic nanotubes 41 macromolecule 41 hyperpolarization 41 Iodine 41 nutrients iodine 41 zirconium 41 quantum mechanically 41 Microorganisms 41 Tagish Lake meteorite 41 strange quark 41 TiO2 nanoparticles 41 nano particle 41 fission reactors 41 hydrogen isotopes deuterium 41 chlorophyll fluorescence 41 terbium 41 Pääbo 41 X ray pulses 41 helium neon 41 muons 41 ionized particles 41 NSCL 41 glass microspheres 41 fissionable material 41 tumorous cells 41 low enriched uranium 41 ultracold atoms 41 W boson 41 scorpion toxin 41 fissioning 41 x ray beams 41 Earthlike planet 41 spectroscopic technique 41 sulfur isotope 41 strange quarks 41 B mesons 41 HFIR 41 Germanium 41 biocompatible nanoparticles 41 proton proton collisions 41 mildly radioactive 41 nanomotors 41 molybdenum 41 gamma rays 41 hydrous 41 neptunium 41 micrometer sized particles 41 carbonaceous chondrites 41 ionizing radiation 41 crystallites 41 antihydrogen 41 oxidized mercury 41 coated nanotubes 41 crystalline silicates 41 foraminifera 41 minerals 41 alkali metals 41 lunar meteorites 41 polyphosphates 41 chemos 41 nanoclays 41 radioisotope thermoelectric generators 41 synchrotron x ray 41 chemical composition 41 icy comets 41 positron emitting 41 hydroxide ions 41 photon beams 41 Type Ia supernovae 41 sulfate aerosols 41 CANDU reactor 41 elastic moduli 41 chemiluminescence 41 phyllosilicates 41 Radiocarbon 41 embryo clones 40 linear accelerator 40 cobalt atom 40 positron 40 muon neutrinos 40 helium ions 40 mineralogical composition 40 gold nanoclusters 40 zirconium Zr 40 Ehleringer 40 anorthosite 40 extrasolar 40 pulsars 40 cuprate superconductors 40 multicellular animals 40 pulsed lasers 40 naturally occurring substances 40 silicate mineral 40 radiocarbon 40 metal alloys 40 ytterbium 40 platinum rhodium 40 optical atomic clocks 40 plutonium dioxide 40 Plutonium 40 Zirconium 40 Molybdenum 40 magnetite crystals 40 sonofusion 40 biomolecule 40 crystal lattices 40 aragonite 40 cryoprotectants 40 protons 40 dermal papilla cells 40 neodymium Nd 40 fluorescent nanoparticles 40 hydrated silica 40 laser pulses 40 missing baryons 40 nanocatalysts 40 3He 40 gamma sterilization 40 beamlines 40 silicates 40 titanium alloys 40 peridotitic 40 OPAL reactor 40 uranium hexafluoride 40 mineralogy 40 mass spectrometry 40 hydroxyl molecules 40 gamma irradiator 40 ion collisions 40 boron nitride 40 hydrides 40 phosphorus atoms 40 electron affinities 40 multi celled 40 magnetar 40 undiscovered particle 40 phytochrome 40 perchlorates 40 fluorinated compounds 40 spinel 40 plutonium americium 40 bisulfite 40 zircon 40 produces radioisotopes 40 Zeolites 40 microspheres 40 Accurassay 40 rubidium vapor 40 uranium hexaflouride 40 brachytherapy seed 40 synchrotron radiation 40 gases 40 perfluorocarbons 40 positrons 40 indium 40 particle acceleration 40 hafnium 40 exoplanetary 40 baryonic matter 40 Hawking radiation 40 chimeric embryos 40 Neoproterozoic 40 silicate mantle 40 europium 40 diffraction pattern 40 trimers 40 Radioisotopes 40 metals 40 nucleobases 40 electroactive 40 gallium 40 radiation 40 radiotracer 40 chlorophylls 40 microfluidic chips 40 antiferromagnets 40 proton beams 40 nanosize 40 Korotev 40 alpha emitting 40 fundamental constants 40 bismuth telluride 40 synchrotrons 40 antiparticle 40 coronal loop 40 SNOLAB 40 Zircatec 40 radioactive iodide 40 dopant atoms 40 silica nanoparticles 40 Chlamydomonas reinhardtii 40 polymorphs 40 Source synchrotron 40 Calcium carbonate 40 super alloys 40 superlens 40 forams 40 basaltic rocks 40 radioactivity 40 placental mammals 40 titanium oxide 40 radiolabeling 40 Muons 40 HSPCs 40 torsional oscillator 40 X ray binaries 40 neighboring prefectures Chiba 40 flow cytometers 40 neutrino 40 ultracold molecules 40 Higgs Boson particle 40 boron 40 deuterium oxide 40 superatoms 40 boron oxide 40 biologically inert 40 nickel alloy 40 X ray emission 40 deuterium atoms 40 inorganic salts 40 micelles 40 Rubidium 40 femtosecond pulses 40 fluorescence spectra 40 lithium hydride 40 frequency comb 40 thulium 40 spectral measurements 40 lavas 40 baryons 40 NMR spectra 40 enterotypes 40 Sudbury Neutrino Observatory 40 LEU 40 sulfide ores 40 optical interferometry 40 thermophilum 40 semiconductor nanocrystals 40 essential micronutrient 40 neutron irradiation 40 Lutetium 39 antimatter 39 APXS 39 REEs 39 particles 39 carbonaceous meteorites 39 superconduct 39 photons emitted 39 chirality 39 nanobacteria 39 spintronic devices 39 silicate rocks 39 Big Bang Machine 39 isotope composition 39 antimatter particles 39 mitochondrial genome 39 ionise 39 geochronology 39 hormone receptors 39 nanoparticle toxicity 39 nanopatterned 39 entangled photons 39 amorphous silica 39 neutrino beam 39 fissile isotope 39 Rydberg atom 39 ALH# 39 thermoelectric materials 39 inhomogeneities 39 MWCNTs 39 radiometric dating 39 fermion 39 nanodiamonds 39 magnetic monopole 39 millimeter wavelengths 39 planetary nebulae 39 gamma radiation 39 Fourier transform infrared spectroscopy 39 physicists 39 biofactories 39 colloidal nanocrystals 39 Cherenkov radiation 39 krypton gas 39 nanostructured silicon 39 fissile materials 39 gDNA 39 quasiparticles 39 rotating neutron stars 39 chemical reactants 39 elemental abundances 39 ion microscope 39 sedimentary layers 39 Rhenium 39 Dauphas 39 marine sediments 39 atmospheric methane 39 uranyl 39 Isotopic 39 gamma ray photons 39 binary asteroids 39 barium sulphate 39 matrix interferences 39 radiolabeled compounds 39 yttrium 39 stony meteorite 39 collimators 39 zinc oxide ZnO 39 proteins lipids 39 GRBs 39 boron atoms 39 inorganic LEDs 39 ab initio calculations 39 HREEs 39 chiral compounds 39 presolar 39 smashing protons 39 magnesium silicate 39 microscopic particle 39 AECL Chalk River 39 GJ #b [001] 39 ferric oxides 39 nanocages 39 uraninite 39 Saturn aurora 39 presolar grains 39 ceria 39 cuprates 39 absorption spectra 39 Terbium 39 Gallium 39 cerium Ce 39 demineralized water 39 metallicity 39 QCLs 39 perovskite 39 ruthenium 39 aromatic amines 39 fluorescent pigments 39 enzyme kinetics 39 concretions 39 nanofabrication techniques 39 basalts 39 abundances 39 mineral apatite 39 nuclear reactors 39 UVIS instrument 39 Highly enriched uranium 39 cadmium selenide 39 diffraction patterns 39 FUS protein 39 linear accelerators 39 ultracold polar molecules 39 microscopic beads 39 alkali atoms 39 radiocarbon dates 39 isotope deuterium 39 transuranic 39 testable predictions 39 nitrides 39 hyaluronic acid gel 39 biosynthetic corneas 39 zirconium alloy 39 Earthlike planets 39 Nanopores 39 millisecond pulsar 39 boron carbide 39 electron microprobe 39 Deuterium 39 Higgs singlet 39 isotopic analysis 39 chiral molecules 39 UO2 39 colloid 39 spectroscope 39 microreactors 39 radioactive nuclides 39 homochirality 39 tokamaks 39 ultracold temperatures 39 beryllium 39 radiopharmaceutical 39 cosmic gamma rays 39 nanometer sized 39 dinosaur specimens 39 spectrographs 39 reagents 39 quasicrystal 39 picocurie 39 Nitrogen trifluoride 39 HEU 39 Neutrons 39 stellar seismology 39 silicate dust 39 emits photons 39 paramagnetic 39 phenanthrene 39 tiny airborne particles 39 impactors 39 pentoxide 39 Melanocytes 39 halloysite clay 39 chromosome aberrations 39 antihydrogen atoms 39 mtDNA 39 zirconium oxide 39 lipoprotein particle 39 potassium thorium 39 cobalt oxide 39 Osmium 39 Miller Urey experiment 39 nanotubes nanowires 39 micrometer sized 39 gamma emitting 39 selenomethionine 39 earths 39 inorganic mercury 39 cadmium selenium 39 bacterial genomes 39 platinum Pt 39 near infrared fluorescence 39 aluminate 39 nanohorns 39 keV 39 elemental composition 39 scans MRIs 39 calcium carbonates 39 radioactive materials 39 imaging mass spectrometry 39 eukaryotic algae 39 evaporite 39 zinc selenide 39 antiprotons 39 purified proteins 39 graphite whiskers 39 proton decay 39 nanosized 39 deuterium tritium 39 formate 39 conventional superconductors 39 phosphorus atom 39 isomers 39 berkelium 39 VHE gamma rays 39 iron sulfate 39 hyperpolarized xenon 39 mitochondrial DNA 39 nanocrystals 39 nanometric 39 mammary cells 39 Cosmic Microwave Background CMB 39 BP Piscium 39 carbonate ions 39 curium 39 opaline silica 39 dissolvable sutures 39 zeolite 39 metallic ions 39 Mitochondrial DNA 39 emission spectrometer 39 silica spheres 39 solubilize 39 Council Geoanalytical Laboratories 39 platinum nanorods 39 paleoclimatology 39 biopsied tissue 38 type Ia supernova 38 hydrogen atoms 38 interstellar clouds 38 Dr. Karen Gulenchyn 38 Raman lasers 38 sulfate 38 MINOS detector 38 radium 38 iodine cesium 38 chromatographic techniques 38 TRIUMF 38 polystyrene spheres 38 organophosphate exposure 38 neutron detectors 38 Ytterbium 38 nitrogen trifluoride 38 liquid chromatography mass spectrometry 38 amphibole 38 isotopic signatures 38 Ralf Gellert 38 metamaterial structures 38 hexafluoride UF6 38 novae 38 fuel cells SOFCs 38 Pollen grains 38 molecules 38 radiogenic 38 yeast cells 38 pathogenic organism 38 X rays ultrasounds 38 neutron absorbing 38 chromophores 38 vitamin K1 38 stromatolites 38 cosmic ray 38 reactor fuel rods 38 microplastics 38 bioactive molecules 38 isotope separation 38 atmospheric aerosol 38 Raman spectra 38 diatoms 38 fluorescence quenching 38 nanolaser 38 UF6 gas 38 multi walled nanotubes 38 silicon atoms 38 worthwhile Schwehm 38 accelerator mass spectrometer 38 Dysprosium 38 Thallium 38 Curtarolo 38 mRNA molecules 38 ionizing radiations 38 niobium oxide 38 MWNT 38 magnetic nanoparticle 38 synchrotron X ray 38 reprocessed plutonium 38 radar interferometry 38 TheraSphere 38 electrons protons 38 boron nitride nanotubes 38 radiotherapists 38 radioactive cobalt 38 aluminum oxide 38 Majorana fermions 38 crystalline solids 38 diffract 38 supercurrent 38 impurity atoms 38 matter antimatter asymmetry 38 sodium iodide 38 Synchrotron radiation 38 physico chemical 38 jarosite 38 Niobium 38 MOX fuel 38 BChE 38 strontium cesium 38 microbial nanowires 38 Mass spectrometry 38 radioactive cesium 38 sequencing genomes 38 purity fluoride 38 nanostars 38 nanoparticle 38 cesium chloride 38 acetonitrile 38 atomic 38 fermionic 38 barium sulfate 38 microscopy techniques 38 cellulose hemicellulose 38 dimethyl sulphide 38 X ray observatories 38 hominid fossils 38 fluid inclusions 38 Tellurium 38 organometallic compounds 38 photon fluorescence 38 quantum dots 38 praseodymium 38 emit photons 38 nanobubbles 38 pheomelanin 38 simulants 38 laser desorption 38 biological molecules 38 fluorescent molecules 38 light bulb filaments 38 Radiopharmaceuticals 38 Martian meteorite 38 microhabitats 38 nepheline 38 calcium sulphate 38 Nanoparticles 38 prion protein 38 filamentary 38 Neutron Source 38 ROSAT 38 x ray pulses 38 diffraction gratings 38 nanotags 38 Higgs particle 38 engineered nanomaterials 38 irradiate 38 metastable 38 dipole moment 38 heterostructures 38 Lantheus Medical Imaging 38 carbene 38 SWCNT 38 ostracods 38 fluorapatite 38 naturally occurring 38 Particle accelerators 38 undifferentiated stem cells 38 helium isotope 38 ilmenite 38 silica alumina 38 CANMET 38 tantalum ore 38 isotope geochemistry 38 neutralino 38 Monazite 38 Amniotic fluid 38 photosynthetic pigments 38 Gamma rays 38 sarcosine 38 interplanetary dust 38 lanthanide 38 naturally occuring 38 subatomic particle 38 globular proteins 38 radiocarbon dated 38 Microfluidic devices 38 phosphorus 38 decays 38 uranium enriched 38 transuranic elements 38 spectral fingerprints 38 oxide nanowires 38 arsenate 38 froth flotation 38 Tantalum 38 methanogenesis 38 kT 38 Mojzsis 38 isotopic fractionation 38 dinitrogen 38 germ cells 38 cyanobacteria 38 alloying elements 38 reverse osmosis filters 38 poly dA 38 aluminosilicate 38 B meson 38 nonlinear optical 38 Karlseder 38 geologic repository 38 tektites 38 fluidized 38 Holmium 38 spectrometers 38 sulphide ores 38 nanopowder 38 gasses emitted 38 tholins 38 atomic particles 38 W bosons 38 tin Sn 38 thallium 38 reprocessed uranium 38 capillary electrophoresis CE 38 amino acids 38 ferroelectricity 38 Ionic liquids 38 ionization 38 carbides 38 neutrino particles 38 Micromonas 38 silicic acid 38 chemically identical 38 radiochemicals 38 masers 38 centrioles