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17 results for “Thorium”
Two-Electron Redox Reactivity of Thorium Supported by Redox-Active Tripodal Frameworks
<p>This upload contains raw data (NMR, X-Ray, UV, Electrochemistry and Elemental Analysis) files for the article</p>
Bonding and Reactivity in Terminal versus Bridging Arenide Complexes of Thorium Acting as ThII Synthons
<p>This upload contains raw data (NMR, X-Ray, UV, IR, SQUID, EPR and Elemental Analysis) files for the article</p>
Concentrations of the rare earth elements (REE) and Thorium-232 (232Th) in glacial dust from the northern Gulf of Alaska region
<p>Concentrations of the rare earth elements (REE) and Thorium-232 (232Th) are presented for filtered air (dust) samples collected from the northern Gulf of Alaska region, including from Middleton Island (AK)(59.4214 N, 146.3493 W) and the Copper River delta (60.4324 N, 145.0954 W). Size-fractionated samples were collected in November 2019, using a Tisch Volumetric Flow Controlled (VFC) high volume sampler (Tisch Environmental, TE-5170V- BL) outfitted with a Cascade impactor. The six size fractions collected ranged from <0.49 micrometers (um) to >7.2 um in diameter. This sampler technology is discussed in greater detail in Morton et al, 2013. Samples were filtered with acid-washed Whatman 41 (W41) cellulose fiber filters. Additional bulk dust samples were collected in October 2012, using a Thermo Partisol Plus 2025 using Teflon filters. Samples were fully digested using concentrated nitric and hydrofluoric acids, following the approach of Morton et al, 2013. Samples were analyzed using a Thermofisher iCAP inductively coupled plasma mass spectrometer (ICP-MS) in KED mode, with He as a collision cell gas, adapted from the approach of Trommetter et al (2020). Concentrations were determined from standard curves using a REE ICP-MS standard from High-Purity Standards (that also contained 232Th). Three internal standards (Ge, In, and Bi) were added to both samples and standards, to correct for short-term variability in the instrument response and to evaluate stability of mass response during the ICP-MS run. Concentration estimates for the REE and 232Th were blank-corrected using full-process blanks that included filters deployed during times when there was no known dust deposition. Most of the full-process blank concentrations were 100 times or more smaller than the concentrations of our lowest standard (with the exception of Ce, the concentration of which was ~seven times smaller than our lowest standard. This means that our blank concentrations were very low but also not quantified extremely accurately. Our best estimates are that the full-process blanks, including filters, ranged from 0.02 picograms per square centimeter (pg cm-2) for Eu, Tb, and Ho, to 2 pg cm-2 for Ce. These blank concentrations were in all cases 40 times or more smaller than our lowest REE sample concentration for the <0.49 um size fraction with the smallest amount of dust, and ~3 orders of magnitude smaller than the signal of the largest samples. The REE data are also presented in a double-normalized format that first normalizes to concentrations of Post Archean Australian Shale and then normalizes to the mean REE concentration. The normalization approach is slightly modified from that of Serno et al, 2014.</p>
Dataset: vacuum-ultraviolet laser source for spectroscopy of trapped thorium ions
<p>This is a data set accompanying the publication "Vacuum-ultraviolet laser source for spectroscopy of trapped thorium ions" in the New Journal of Physics. https://doi.org/10.1088/1367-2630/aced1b</p>
Concentrations of the rare earth elements (REE) and Thorium-232 (232Th) in glacial dust from the northern Gulf of Alaska region
Open the record for dataset details and reuse information.
Preparation of thorium dioxide nanofibers by electrospinning_experimental dataset
<p>This file contains the raw unprocessed experimental data for the results published in Kundrát et al., Preparation of thorium dioxide nanofibers by electrospinning, Journal of Nuclear Materials, Volume 534, June 2020, 152153. </p> <p>. </p>
Nanofibers of solid-solution thorium(IV)-uranium(IV) oxides by electrospinning_experimental dataset
<p>Raw experimental data for Kundrát et al., Nanofibers of solid-solution thorium(IV)-uranium(IV) oxides by electrospinning, Journal of Nuclear Materials 566 (2022) 153731. </p>
Compiled bulk rock uranium, thorium and loss on ignition (LOI) concentrations in serpentinites and altered oceanic crust
<p>The dataset includes a compilation of published uranium, thorium and loss on ignition (LOI) concentrations for bulk rock serpentinite samples organized by tectonic setting. All references are included in the file.</p>
Compiled mineral uranium and thorium concentrations in serpentinites and iron oxides
<p>This dataset includes mineral (serpentine, carbonate, brucite, tremolite, perovskite, magnetite, hematite, goethite) uranium and thorium concentrations and the associated publication references.</p>
Reactivity of Multimetallic Thorium Nitrides Generated by Reduction of Thorium Azides
<p>This upload contains raw data (NMR, X-Ray, Elemental Analysis) files for the article</p>
Study to Evaluate the Safety, Tolerability,Pharmacokinetics, and Antitumor Activity of a Thorium-227 Labeled Antibody-chelator Conjugate Alone and in Combination With Darolutamide, in Patients With Me
ClinicalTrials.gov study NCT03724747. IPD Sharing: NO. Countries: 3. Publications: 1.
First-in-human Study of BAY2287411 Injection, a Thorium-227 Labeled Antibody-chelator Conjugate, in Patients With Tumors Known to Express Mesothelin
ClinicalTrials.gov study NCT03507452. IPD Sharing: NO. Countries: 5. Publications: 2.
Total Thorium-234 (Th-234) taken from discrete water column samples collected during CCE Process Cruises (2006 - 2017).
Thorium-234 (Th-234) is the first long-lived (half-life = 24.1 days) daughter particle of Uranium-238 (U-238). While U-238 is conserved in the ocean (it covaries with salinity and has a half-life of 4.5 billion years), Th-234 is scavenged onto particles and hence removed from the surface ocean when those particles sink to depth. By measuring vertical profiles of total Th-234 activity in the euphotic zone and assuming steady-state between production of Th-234 from U-238 decay and removal of Th-234 on sinking particles, we can thus estimate the export of Th-234 from sampled water parcels. These measurements of Th-234 export can be converted to estimates of carbon export by multiplying by the C:Th-234 ratio of sinking particles measured at the same time and location.
Measured and derived parameters on dissolved thorium and iron in the northern Gulf of Mexico
<p>The raw seawater thorium isotope data used in this study were reported at BCO-DMO (<a href="https://www.bco-dmo.org/dataset/819622">https://www.bco-dmo.org/dataset/819622</a>; <a href="https://www.bco-dmo.org/dataset/819674">https://www.bco-dmo.org/dataset/819674</a>). This supplement was provided for data users to easily access parameters derived from measured parameters. For instance, dissolved Th-232 and Th-230 are measured directly but they are combined to calculate further parameters such as Th-232 flux and Th residence time, as described in our manuscripts. This data is associated with a manuscript under consideration of publication, entitled "Towards Constraining Sources of Lithogenic Metals in the Northern Gulf of Mexico" at the time of publishing this dataset.</p> <p> </p>
Reactivity of Multimetallic Thorium Nitrides Generated by Reduction of Thorium Azides
<p>This upload contains raw data (NMR, X-Ray, Elemental Analysis) files for the article</p>
Effect of nano-hydroxyapatite and phosphate on thorium toxicity – Arabidopsis transcriptomic study
GEO Series GSE233480. Arabidopsis thaliana. 66 samples. Type: Expression profiling by high throughput sequencing.
Chemical toxicity of thorium in Saccharomyces cerevisiae
GEO Series GSE9463. Saccharomyces cerevisiae. 6 samples. Type: Expression profiling by array.
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