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132 results for “Cobalt”
Cryo-EM tomographic tilt series of helical supramolecule consisting of cobalt phthalocyanine
<p>Cryo-EM tomographic tilt series of a helical supramolecule consisting of cobalt phthalocyanine. Collected using a JEOL CRYO ARM 300 electron microscope operated at an accelerating voltage of 300kV and recorded on a K3 detector at RIKEN, SPring-8 Center. The datasets provided represent a portion of the entire datasets due to the limitation on zenodo. Please let us know if you need access to all the datasets.</p>
Efficacy and Safety of Gemcabene in Patients With Homozygous Familial Hypercholesterolemia on Stable, Lipid-Lowering Therapy (COBALT-1)
ClinicalTrials.gov study NCT02722408. IPD Sharing: Not stated. Countries: 3. Publications: 1.
The ACTIVE (Use of the Assurant® Cobalt Iliac Stent System in the Treatment of Iliac Vessel Disease) Study
ClinicalTrials.gov study NCT00753337. IPD Sharing: Not stated. Countries: 1. Publications: 1.
La and Mn-doped cobalt spinel oxygen evolution catalyst for proton exchange membrane electrolysis
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Supplementary Data for "Tuning the Redox Activity of Metal–Organic Frameworks for Enhanced, Selective O2 Binding: Design Rules and Ambient Temperature O2 Chemisorption in a Cobalt–Triazolate Framework"
<p>Supplementary dataset to support "Tuning the Redox Activity of Metal–Organic Frameworks for Enhanced, Selective O<sub>2</sub> Binding: Design Rules and Ambient Temperature O<sub>2</sub> Chemisorption in a Cobalt–Triazolate Framework"</p>
Output from the PISCES Cobalt biogeochemical ocean model
<p>Output from the PISCES biogeochemical model used in Hawco et al. 2020 PNAS. This model was originally developed and published in Tagliabue A, et al. (2018) [The Role of External Inputs and Internal Cycling in Shaping the Global Ocean Cobalt Distribution: Insights From the First Cobalt Biogeochemical Model. Global Biogeochem Cycles 32(4):594–616.] but with the base model modified as described by Aumont O, et al. (2017) [Variable reactivity of particulate organic matter in a global ocean biogeochemical model. Biogeosciences 14(9):2321–2341.]. All fields are annual averages.</p> <p>For more information see www.pnas.org/cgi/doi/10.1073/pnas.2001393117</p>
Activation of 2D cobalt hydroxide with 0D cobalt oxide decoration for microplastics degradation and hydrogen evolution
<p>See the paper:</p><p> </p><p>Greco, R.; Baxauli-Marin, L.; Temerov, F.; Daboczi, M.; Eslava, S.; Niu, Y.; Zakharov, A.; Zhang, M.; Li, T.; Cao, W. <i>Chem. Eng. J.</i> <strong>2023</strong>, 471, 1144569</p><p> </p><p>The authors acknowledge MAX IV Laboratory for time on Beamline [MAXPEEM] under Proposal [20210172]. Research conducted at MAX IV, a Swedish national user facility, is supported by the Swedish Research council under contract 2018-07152, the Swedish Governmental Agency for Innovation Systems under contract 2018-04969, and Formas under contract 2019-02496.</p>
Data from: Role of mass transport in electrochemical carbon dioxide reduction to methanol using immobilized cobalt phthalocyanine
<p><strong>Cell files.zip</strong></p><ul><li>.dwg files of the pocket for the cathode and anode chamber. </li><li>.dwg files of the gasket design</li></ul><p><strong>Experimental data.zip</strong> (>60 experiments)</p><ul><li>Chronoamperometry data</li><li>Each experiment has a mpr and txt file. The .mpr file can be read by EC-lab software, while the txt file has the raw data.</li><li>H-NMR data</li><li>Each experiment has its own folder, then another folder with the experiment number. Within that experiment number folder is .fid file needed to view the H-NMR data. </li><li>Gas Chromatography data </li><li>Each experiment has its own folder. the files can be opened using SRI proprietary software. There are also .log files which contain the results of each experiment as the raw data. </li></ul>
Model Development for State-of-Power Estimation of Large-Capacity Nickel-Manganese-Cobalt Oxide-Based Lithium-Ion Cell Validated Using a Real-Life Profile
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Model input for "A high-resolution physical-biogeochemical model for marine resource applications in the Northern Indian Ocean (MOM6-COBALT-IND12)"
<p>This dataset includes the model input files required to reproduce the simulations described in <em>"A high-resolution physical-biogeochemical model for marine resource applications in the Northern Indian Ocean (MOM6-COBALT-IND12)"</em>.</p> <p>When using these files to run the model, input files should be organized in a folder named <code>INPUT/</code> located within the directory where the model is executed. Additionally, key configuration files, such as <code>data_table</code>, <code>diag_table</code>, <code>field_table</code>, and <code>input.nml</code>should be placed in the main working directory.</p> <p>To manage file size, only a subset of the data is provided, covering the first year of the simulation period. Note that ERA5 atmospheric forcing data is not included in this dataset but can be accessed directly from the <a href="https://doi.org/10.24381/cds.adbb2d47" target="_new" rel="noopener">Copernicus Climate DataStore</a>.</p> <p> </p>
Intramolecular Hydroxyl Nucleophilic Attack Pathway by a Polymeric Water Oxidation Catalyst with Single Cobalt Sites
<p>Exploring efficient water oxidation catalysts (WOCs) is the primary challenge in converting renewable energy into fuels. Here we report a molecularly well-defined heterogeneous WOC with Aza-fused-π-conjugated-microporous-polymer (Aza-CMP) coordinated single cobalt sites (Aza-CMP-Co). The single cobalt sites in Aza-CMP-Co exhibited superior activity under alkaline and near-neutral conditions. Moreover, the molecular nature of the isolated catalytic sites makes Aza-CMP-Co a reliable model for studying the heterogeneous water oxidation mechanism. By combining the experimental and theoretical results, a pH-dependent nucleophilic attack pathway for O-O bond formation was proposed. Under alkaline conditions, the intramolecular hydroxyl nucleophilic attack (IHNA) process that the adjacent -OH group nucleophilically attacks Co<sup>4+</sup>=O was identified as the rate-determining step. The process leads to lower activation energy and boosted kinetics than that of the intermolecular water nucleophilic attack pathway. This study provides significant insights into the crucial function of electrolyte pH in water oxidation catalysis and enhancement of the water oxidation activity by regulating the IHNA pathway.</p>
STEM and XRD files of Water and Hydroxide Trapping in Cobalt Tungstate for Proton Exchange Membrane Water Electrolysis
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NIR Spectroscopy and Cobalt Electrochemistry Data set for Estimating Phosphate Concentration in Hydroponic Solution
<p>These data are raw-data used in the development of phosphate sensors for quantitative detection of phosphate ion concentrations in hydroponics nutrient solution. A total of 80 samples were used, of which 56 were used for model development and 24 were used for validation. See below for more details.</p> <p><br> 1. EMF response data from three cobalt electrodes<br> 2. The intensity value of the sample obtained from the NIR spectrometer (904 nm to 1600 nm)</p>
Model input for initial submission of "A regional physical-biogeochemical ocean model for marine resource applications in the Northeast Pacific (MOM6-COBALT-NEP10k v1.0)" to GMD
<p>This dataset contains the numerical model input files that were used to produce the model simulation presented in the initual submission "A regional physical-biogeochemical ocean model for marine resource applications in the Northeast Pacific (MOM6-COBALT-NEP10k v1.0)" to Geoscientific Model Development.</p> <p>When using these files to run a model, most files should be placed inside a directory named INPUT/ that resides in the working directory where the model is being run. The following files should be at the top level in the working directory: data_table, diag_table, field_table, input.nml.</p> <p>For large files, a subset in time is provided for the first year of the simulation. This dataset does not include the ERA5 atmospheric data, which can be downloaded directly from https://doi.org/10.24381/cds.adbb2d47.</p> <p>Portions of the initial and boundary condition data were generated using E.U. Copernicus Marine Service Information:https://doi.org/10.48670/moi-00021. Refer to the manuscript for references to other data sources.</p> <p>Codes for generating regional MOM6 initial conditions, boundary conditions and other necessary model inputs as well as diagnostic scripts are maintained on the NOAA CEFI GitHub Repository: https://github.com/NOAA-GFDL/CEFI-regional-MOM6/. </p>
Primary Data for Titanium and Cobalt Bimetallic Radical Redox Relay for the Isomerization of N-Bz Aziridines to Allylic Amides
<p><sup>1</sup>H and <sup>13</sup>C spectra primary data for Titanium and Cobalt Bimetallic Radical Redox Relay for the Isomerization of N-Bz Aziridines to Allylic Amides. Spectra were recorded on Inova-400 (400 MHz), Inova-500 (500 MHz), and Inova-600 (600 MHz) spectrometers. FID data related to <sup>1</sup>H, <sup>13</sup>C, and 2D NMR spectra are available for each compound in the list shown inside the Read Me document. Folders are named by the product number found in the main text and contain subfolders for <sup>1</sup>H (indexed as 10) and <sup>13</sup>C (indexed as 20). All subfolders related to 2D NMR data are named based on the 2D experiment (i.e. COSY experiments are named COSY). The files may be processed using MestRec, Kirk Marat’s Spinworks, or Delta by JEOL.</p>
Data set for the journal article: The Spatial Distribution of Cobalt Phthalocyanine and Copper Nanocubes Controls the Selectivity towards C2 Products in Tandem Electrocatalytic CO2 Reduction
<p>Data set for the journal article:</p> <p>The coupling of CO-generating molecular catalysts with copper electrodes in tandem schemes is a promising strategy to boost the formation of multi-carbon products in the electrocatalytic reduction of CO<sub>2</sub>. While the spatial distribution of the two components is important, this aspect remains underexplored, especially for molecular-based tandem systems. Herein, we address this knowledge gap by studying tandem catalysts comprising Co-phthalocyanine (CoPc) and Cu nanocubes (Cu<sub>cub</sub>). In particular, we identify the importance of the relative spatial distributions of the two components on the performance of the tandem catalyst by preparing CoPc-Cu<sub>cub</sub>/C, wherein the CoPc and Cu<sub>cub</sub> share an interface, and CoPc-C/Cu<sub>cub</sub>, wherein the CoPc is loaded first on carbon black (C) before mixing with the Cu<sub>cub</sub>. The electrocatalytic measurements of these two catalysts show that the faradaic efficiency towards C<sub>2 </sub>products almost doubles for the CoPc-Cu<sub>cub</sub>/C, whereas it decreases by half for the CoPc-C/Cu<sub>cub</sub>, compared to the Cu<sub>cub</sub>/C. Our results highlight the importance of a direct contact between the CO-generating molecular catalyst and the Cu to promote C-C coupling, which hints at a surface transport mechanism of the CO intermediate between the two components of the tandem catalyst instead of a transfer via CO diffusion in the electrolyte followed by re-adsorption.</p>
Model input for "A high-resolution physical-biogeochemical model for marine resource applications in the Northwest Atlantic (MOM6-COBALT-NWA12)"
<p>This dataset contains the numerical model input files that were used to produce the model simulation presented in "A high-resolution physical-biogeochemical model for marine resource applications in the Northwest Atlantic (MOM6-COBALT-NWA12)".</p> <p>When using these files to run a model, most files should be placed inside a directory named INPUT/ that resides in the working directory where the model is being run. The following files should be at the top level in the working directory: data_table, diag_table, field_table, input.nml.</p> <p>For large files, a subset in time is provided for the first year of the simulation. This dataset does not include the ERA5 atmospheric data, which can be downloaded directly from https://doi.org/10.24381/cds.adbb2d47.</p> <p>Portions of the initial and boundary condition data were generated using E.U. Copernicus Marine Service Information: \url{https://doi.org/10.48670/moi-00021}, \url{https://doi.org/10.48670/moi-00148}. Refer to the manuscript for references to other data sources.</p>
Occurrence and enrichment of cobalt in ferromanganese nodules from the Western Pacific
<p>This data set is upload for the submitted article entitled by 'Occurrence and enrichment of cobalt in ferromanganese nodules from the Western Pacific' in <em>Journal of Geophysical Research: Solid Earth</em>.</p>
Global effects of deletions of the sitABCD, mntH, cbiMNQO and corA genes, encoding transporters for manganese, cobalt and magnesium on protein abundance in Salmonella enterica serovar Typhimurium grown to stationary phase in LB.
<p>The RpoS/σS sigma subunit of RNA polymerase is the master regulator of the general stress response in many Gram-negative bacteria.</p><p>We have shown that in <i>Salmonella enterica </i>serovar Typhimurium, RpoS activates transcription of the <i>sitABCD</i> and <i>mntH </i> genes, involved in iron and manganese transport, and that of <i>corA</i> encoding the main magnesium transporter (Levi-Meyrueis <i>et al</i>. 2014, Metaane <i>et al</i>. 2022, Metaane <i>et al. </i>2023). In addition, RpoS represses expression of the CbiO protein produced from the <i>cbiMNQO</i> operon encoding a high affinity cobalt uptake system (Lago <i>et al.</i> 2017, Metaane <i>et al</i>. 2022, Metaane <i>et al. </i>2023). Moreover, Inductively coupled plasma mass spectrometry analyses have revealed that the Δ<i>rpoS</i> mutation reduces the cellular concentration of manganese and magnesium and increases the concentration of cobalt of stationary phase <i>Salmonella </i>(Metaane <i>et al. </i>2022). These findings suggested that a tight control of uptake and availability of manganese, magnesium and cobalt might be critical for quiescent bacteria. Consistent with this hypothesis, our recent findings unraveled the importance of RpoS and magnesium in the regrowth potential of quiescent <i>Salmonella</i> cells (Metaane <i>et al</i>. 2022).</p><p>Unexpectedly, our recent work revealed that, under magnesium proficient environmental conditions, the absence of the housekeeping Mg2+ transporter CorA is sensed by the cell which induces compensatory mechanisms to minimize the impact of a Δ<i>corA</i> mutation on protein content, magnesium homeostasis, growth, and motility of <i>Salmonella </i>(Metaane <i>et al. </i>2023). In this study, we used a mass spectrometry-based proteomics approach to address the physiological impact of the SitABCD, MntH and CbiMNQO transporters on quiescent <i>Salmonella. </i>A comprehensive quantitative proteomic analysis was performed using wild-type and Δ<i>rpoS </i>strains of <i>Salmonella</i> ATCC14028 carrying deletions of these genes and grown to late stationary phase in nutrient-rich LB medium, <i>i.e</i>. the growth conditions previously used to characterize the RpoS- transcriptome, proteome and ionome (Levi-Meyrueis <i>et al.</i> 2014, Lago <i>et al. </i>2017, Metaane <i>et al. </i>2022). Since CorA can also import cobalt, a Δ<i>corA</i> mutation was included and combined with the Δ<i>cbiMNQO</i> mutation. </p><p><strong>Accession number</strong>.The mass spectrometry proteomics data have been deposited to the ProteomeXchange Consortium via the PRIDE partner repository with the dataset identifier <strong>PXD043760</strong>.</p><p><strong>This work was supported by the French National Research Agency (ANR-19-CE44-0005-01, PERIOMET project).</strong></p><p><strong>References</strong></p><p>Levi-Meyrueis C, Monteil V, Sismeiro O, Dillies MA, Monot M, Jagla B, Coppée J-Y, Dupuy B, Norel F. Expanding the RpoS/sigmaS-network by RNA sequencing and identification of sigmaS-controlled small RNAs in <i>Salmonella</i>. PloS one. 2014;9(5):e96918.</p><p>Lago M, Monteil V, Douche T, Guglielmini J, Criscuolo A, Maufrais C, Matondo M, Norel F. Proteome remodelling by the stress sigma factor RpoS/sigma(S) in <i>Salmonella</i>: identification of small proteins and evidence for post-transcriptional regulation. Scientific reports. 2017;7(1):2127.</p><p>Metaane S, Monteil V, Ayrault S, Bordier L, Levi-Meyreuis C, Norel F. The stress sigma factor sigmaS/RpoS counteracts Fur repression of genes involved in iron and manganese metabolism and modulates the ionome of <i>Salmonella enterica </i>serovar Typhimurium. PLoS one. 2022;17(3):e0265511.</p><p>Metaane S, Monteil V, Douché T, Giai Gianetto Q, Matondo M, Maufrais C, Norel F. Loss of CorA, the primary magnesium transporter of <i>Salmonella, </i>is alleviated by MgtA and PhoP-dependent compensatory mechanisms. PloS one 2023;18(9):e0291736.</p><p>NOREL, & MONTEIL. (2023). Ionome analysis of Salmonella mutants by Inductively coupled plasma mass spectrometry (ICP-MS) (Version v1) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.8085835</p><p> </p><p> </p>
Comparison of Conventional GlideScope to Single-Use GlideScope Cobalt for Orotracheal Intubation
ClinicalTrials.gov study NCT00459797. IPD Sharing: Not stated. Countries: 1. Publications: 1.
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