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Isotopes (23):
- Potassium Isotopes
- Iodine Isotopes
- Cobalt Isotopes
- Sulfur Isotopes
- Zinc Isotopes
- Sodium Isotopes
- Nitrogen Isotopes
- Chromium Isotopes
- Phosphorus Isotopes
- Oxygen Isotopes
- Cesium Isotopes
- Cerium Isotopes
- Carbon Isotopes
- Radioisotopes
- Iron Isotopes
- Gallium Isotopes
- Yttrium Isotopes
- Deuterium
- Calcium Isotopes
- Xenon Isotopes
- Strontium Isotopes
- Mercury Isotopes
- Gold Isotopes
Recent article
Isotopes
Biochemical Society transactions (37)Pt 2 2009
Abstract
Glutamate mutase is one of a group of adenosylcobalamin-dependent enzymes that use free radicals to catalyse unusual and chemically difficult rearrangements involving 1,2-migrations of hydrogen atoms. A key mechanistic feature of these enzymes is the transfer of the migrating hydrogen atom between s...
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PMID: 19290858
PDF is available here.
PDF is available here.
| < More recent | Older article > |
Abstract
A recent publication on both chromosome-type and chromatid-type aberrations in lymphocytes of patients during treatment with radium-224 for ankylosing spondilitis has revived the question of whether the chromatid-type aberrations may be the consequence of factors released by irradiated cells. Theref...
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PMID: 19066927
PDF is available here.
PDF is available here.
Abstract
We demonstrated that highly conformal radiation can be reproducibly delivered to a small volume of rodent lung on a widely available clinical unit. The radiation-induced lung injury can be detected as early as 2 months after radiation with perfusion MRI. The primary pattern of injury agrees with pre...
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PMID: 19306756
PDF is available here.
PDF is available here.
Abstract
We postulate that Ra activity in groundwater is controlled by the balance of radioactive decay of parent Th isotopes on aquifer solids, decay of the dissolved radium isotopes, and adsorption of dissolved Ra on solid surfaces. The availability of surface adsorption sites, which depends on the clay co...
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PMID: 19368170
PDF is available here.
PDF is available here.
Journal of Neurochemistry (108)6 2009
Abstract
Our findings reinforce the utility of this animal model to further investigating the implication of the endocannabinoid system in the modulation of emotional processes and its potential role in the adaptive responses to chronic antidepressants....
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PMID: 19183263
PDF is available here.
PDF is available here.
Abstract
We report lead concentration and isotopic composition for 59 coal samples representing major coal deposits worldwide in an attempt to characterize this potential source. The average concentration in these coals is 35 microg Pb g(-1), with the highest values in coals from Spain and Peru and the lowes...
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PMID: 19320161
PDF is available here.
PDF is available here.
Biological Chemistry (390)2 2009
Abstract
We demonstrate that these assays can be interfaced with mass-sensitive detectors for parallel determination of isotopic abundance. Results obtained with tri-iodide and ascorbic acid-based reductive assays indicate that mass spectrometric detection enables NO isotope-tracing experiments to be carried...
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PMID: 19040352
PDF is available here.
PDF is available here.
Abstract
Fine particulate matters (PMZ2.5) collected in Beijing during a period from September 2005 to May 2006 were studied. Sequential extraction procedures were applied to divide the total lead into three fractions, i.e. water soluble, liposoluble and insoluble lead. Lead concentrations and their isotopes...
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PMID: 19445241
PDF is available here.
PDF is available here.
Abstract
The metal-thiolate connectivity of recombinant Cd(7)-MT10 metallothionein from the sea mussel Mytilus galloprovincialis has been investigated for the first time by means of multinuclear, multidimensional NMR spectroscopy. The internal backbone dynamics of the protein have been assessed by the analys...
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PMID: 18855021
PDF is available here.
PDF is available here.
Analyst (Cambridge UK) (134)2 2009
Abstract
We focus this Minireview on the isotope ratio measurements of lighter-elements common to organic sources; we do not cover the equally important field of inorganic isotope ratio mass spectrometry....
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PMID: 19173039
PDF is available here.
PDF is available here.
Analytica Chimica Acta (632)2 2009
Abstract
We show that this odd-even staggering property originates from the nuclear field shift effect. The contribution of the nuclear field shift effect to the observed isotope enrichment factor was estimated to be approximately 35%....
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PMID: 19110099
PDF is available here.
PDF is available here.
Analytica Chimica Acta (631)2 2009
Abstract
We analyzed the major elements and stable isotopes of oxygen, hydrogen, and carbon (dissolved inorganic carbon: DIC) in various types of bottled water (domestic and foreign) commercially available in South Korea to classify the water types and to identify their origins. Only marine waters and some s...
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PMID: 19084625
PDF is available here.
PDF is available here.
Analytica Chimica Acta (631)2 2009
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are common environmental pollutants in both living and working environments. The aim of this study was the development of a headspace solid-phase microextraction gas chromatography-isotope dilution mass spectrometry (HS-SPME/GC-IDMS) method for the simultaneou...
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PMID: 19084626
PDF is available here.
PDF is available here.
Abstract
It's in the bond: The cleavage of C-H bonds by two related oxoiron(IV) complexes shows a range of kinetic isotope effect (KIE) values that exhibit an unusual dependence on the C-H bond strength. Large nonclassical KIEs are observed for bond strengths below 93 kcal mol(-1), while semiclassical values...
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PMID: 19130517
PDF is available here.
PDF is available here.
Acta Radiologica (50)9 2009
Abstract
Seven patients were scanned three times, one patient two times, and one patient only at baseline. The mean increase in ADC values from first to last HP (3)He MR scanning was 3.8% (0.014 cm(2)/s [SD 0.024 cm(2)/s]; not significant). The time trends for FEV(1), D(L,CO), CT-PD15, and CT-RA-910 were all...
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PMID: 19863412
PDF is available here.
PDF is available here.
Environmental Science (30)1 2009
Abstract
Stable isotopes are key importance for tracing the source of heavy metals in soils. 11 surface soil samples were collected in a contaminated site according to geostatistical results, which had a series of concentrations from almost background value of Pb to more than 2 000 microg x g(-1). Pb stable...
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PMID: 19353885
PDF is available here.
PDF is available here.
Abstract
Lead/cadmium contamination in vegetables grown in peri-urban area of Nanjing, China was assessed and the route for metals entering into plants was investigated through lead isotopic tracing. Results show that agricultural soils have been polluted with Cd. Contents of Pb (22.1-37.5 mg kg(-1 )dw) and...
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PMID: 18795215
PDF is available here.
PDF is available here.
Medical Physics (36)1 2009
Abstract
The spectroscopic output of low dose rate (LDR) brachytherapy sources is dependent on the physical design and construction of the source. Characterization of the emitted photons from 12 125I and 3 103Pd LDR brachytherapy source models is presented. Photon spectra, both along the transverse bisector...
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PMID: 19235395
PDF is available here.
PDF is available here.
Energy generation coupled to azoreduction by membranous vesicles from Shewanella decolorationis S12.
Abstract
Previous studies have demonstrated that Shewanella decolorationis S12 can grow on the azo compound amaranth as the sole electron acceptor. Thus, to explore the mechanism of energy generation in this metabolism, membranous vesicles (MVs) were prepared and the mechanism of energy generation investigat...
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PMID: 19190406
PDF is available here.
PDF is available here.
Abstract
Lipids are highly dynamic molecules with many different roles ranging from structural to signaling. Alterations in particular lipid levels change cellular behavior. In humans, inappropriate changes may manifest as diseases such as Alzheimer's, atherosclerosis, diabetes, obesity, and even cancer. Thi...
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PMID: 19160659
PDF is available here.
PDF is available here.
Nano Letters (9)1 2009
Abstract
We examine thermal transport through boron nitride nanotubes using an atomistic Green's function transport formalism coupled with phonon properties calculated from density functional theory. We develop an independent scatterer model for (10)B defects to account for phonon isotope scattering found in...
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PMID: 19090747
PDF is available here.
PDF is available here.
Nano Letters (9)1 2009
Abstract
We examine thermal transport through boron nitride nanotubes using an atomistic Green's function transport formalism coupled with phonon properties calculated from density functional theory. We develop an independent scatterer model for (10)B defects to account for phonon isotope scattering found in...
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PMID: 19090747
PDF is available here.
PDF is available here.
Nano Letters (9)1 2009
Abstract
We examine thermal transport through boron nitride nanotubes using an atomistic Green's function transport formalism coupled with phonon properties calculated from density functional theory. We develop an independent scatterer model for (10)B defects to account for phonon isotope scattering found in...
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PMID: 19090747
PDF is available here.
PDF is available here.
Nano Letters (9)1 2009
Abstract
We examine thermal transport through boron nitride nanotubes using an atomistic Green's function transport formalism coupled with phonon properties calculated from density functional theory. We develop an independent scatterer model for (10)B defects to account for phonon isotope scattering found in...
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PMID: 19090747
PDF is available here.
PDF is available here.
Nano Letters (9)1 2009
Abstract
We examine thermal transport through boron nitride nanotubes using an atomistic Green's function transport formalism coupled with phonon properties calculated from density functional theory. We develop an independent scatterer model for (10)B defects to account for phonon isotope scattering found in...
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PMID: 19090747
PDF is available here.
PDF is available here.