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53 results for “core structures”
Data for "Unveiling the effect of Ni on the formation and structure of Earth's inner core"
<p>The source data for the figures in the manuscript "Unveiling the effect of Ni on the formation and structure of Earth’s inner core".</p> <p>The .xlsx files can be read via Microsoft Excel.</p> <p> </p>
Dataset for "Liquid Structure of Iron and Iron-Nitrogen-Carbon Alloys within the Cores of Small Terrestrial Bodies"
<p>The following is a copy of the processed data files used in the submitted manuscript: "Liquid Structure of Iron and Iron-Nitrogen-Carbon Alloys within the Cores of Small Terrestrial Bodies"</p> <p><br>In the text the six experiments are denoted at #-##. For example, 7-17, this notation means cell 7 in the year 2017. In this data repository, the file names follow the notation of year_loaded composition_cell#. So in the case of 7-17, that experimental dataset corresponded to 2017_Fe_cell7. </p>
Local structure and density of liquid Fe-C-S alloys at Moon's core conditions
<p>This file includes the raw CAESAR and absorption data measured in each P-T condition and the Python codes for diffraction and absorption data analysis.</p> <p>Matlab codes for P-T calibration are also enclosed.</p>
Data from: Genetic population structure of the blister beetle Gnathium minimum: core and peripheral populations
Populations on the periphery of a species' range tend to contain lower genetic variation and increased genetic differentiation compared to populations at the core of a species range, although some exceptions to this generalization occur. The blister beetle Gnathium minimum (Say) exhibits a wide-ranging distribution in the western United States but has peripheral or disjunct populations in Mexico, Florida, and Wisconsin. We used amplified fragment length polymorphism (AFLP) to compare the genetic variation and magnitude of genetic differentiation of the Wisconsin peripheral population to western core populations (Colorado, Kansas, New Mexico, and Texas). The proportion of polymorphic loci was 53.6 and 54.3, and expected heterozygosity 0.1864 and 0.1933 for the Kansas/Colorado (n = 87) and New Mexico/Texas (n = 35) regions, respectively. Specimens from Wisconsin (n = 121) had a lower proportion of polymorphic loci (38.4) and expected heterozygosity (0.1475). Genetic cluster estimation with GENELAND and F ST values showed greater genetic differentiation among the sampling locations within Wisconsin compared to core regions. Significant isolation-by-distance (IBD) was also observed in Wisconsin but not within the core regions. Lower genetic variation and increased isolation may reduce the Wisconsin population's ability to respond to change, thereby increasing their susceptibility to extinction.
Direct strain correlations at the single-atom level in three-dimensional core-shell interface structures
<p>The data and source codes for the paper [H.J., D.H.W., T.L., Y.K., C.J., J.L., H.B., A. J. P., W.T., C.O., P.E., Y.-L.L., S.R., S.W.H., and Y.Y., "Direct strain correlations at the single-atom level in three-dimensional core-shell interface structures", <em>Nat. Commun.</em> <strong>13</strong>, 5957 (2022)] are posted below.</p> <p> </p> <p>Nanomaterials with core-shell architectures are prominent examples of strain-engineered materials. The lattice mismatch between the core and shell materials can cause strong interface strain, which affects the surface structures. Therefore, surface functional properties such as catalytic activities can be designed by fine-tuning the misfit strain at the interface. To precisely control the core-shell effect, it is essential to understand how the surface and interface strains are related at the atomic scale. Here, we elucidate the surface-interface strain relations by determining the full 3D atomic structure of Pd@Pt core-shell nanoparticles at the single-atom level via atomic electron tomography. Full 3D displacement fields and strain profiles of core-shell nanoparticles were obtained, which revealed a direct correlation between the surface and interface strain. The strain distributions show a strong shape-dependent anisotropy, whose nature was further corroborated by molecular statics simulations. From the observed surface strains, the surface oxygen reduction reaction activities were predicted. These findings give a deep understanding of structure-property relationships in strain-engineerable core-shell systems, which can lead to direct control over the resulting catalytic properties.<br> <br> </p> <p>1. Raw experimental tilt series images for Particle 1 and Particle 2 (Raw tilt series images.zip).</p> <p>2. Denoised and aligned tilt series images for Particle 1 and Particle 2 (Finalized tilt series images.zip).</p> <p>3. Finalized tilt angles for Particle 1 and Particle 2 (Finalized tilt angles.zip).</p> <p>4. 3D tomographic reconstruction for Particle 1 and Particle 2 (Final reconstruction.zip).</p> <p>5. Final atomic structure for Particle 1 and Particle 2 (Final atomic structure.zip).</p> <p>6. Indices of surface Pd atoms for Particle 1 and Particle 2 (Indices of surface Pd.zip).</p> <p>7. Source codes for the assignment of atomic coordinates, displacement/strain calculation and ORR activity calculation (Code_PdPt.zip).</p> <p> </p> <p>If you use any of the above data or source codes in your publications and/or presentations, our paper should be properly cited: H.J., D.H.W., T.L., Y.K., C.J., J.L., H.B., A. J. P., W.T., C.O., P.E., Y.-L.L., S.R., S.W.H., and Y.Y., "Direct strain correlations at the single-atom level in three-dimensional core-shell interface structures", <em>Nat. Commun.</em> <strong>13</strong>, 5957, (2022).<br> <br> If you have any questions regarding the above data or source codes, please contact Yongsoo Yang, Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea. Email: <a href="mailto:yongsoo.yang@kaist.ac.kr">yongsoo.yang@kaist.ac.kr</a></p>
Data from: Genetic population structure of the blister beetle Gnathium minimum: core and peripheral populations
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Data from: Genome-wide assessment of population structure and genetic diversity and development of a core germplasm set for sweet potato based on specific length amplified fragment (SLAF) sequencing
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Data from: Preparation of core–shell structured CaCO 3 microspheres as rapid and recyclable adsorbent for anionic dyes
Core–shell structured CaCO3 microspheres (MSs) were prepared by a facile, one-pot method at room temperature. The adsorbent dosage and adsorption time of the obtained CaCO3 MSs were investigated. The results suggest that these CaCO3 MSs can rapidly and efficiently remove 99–100% of anionic dyes within the first 2 min. The obtained CaCO3 MSs have a high Brunauer–Emmett–Teller surface area (211.77 m2 g−1). In addition, the maximum adsorption capacity of the obtained CaCO3 MSs towards Congo red was 99.6 mg g−1. We also found that the core–shell structured CaCO3 MSs have a high recycling capability for removing dyes from water. Our results demonstrate that the prepared core–shell structured CaCO3 MSs can be used as an ideal, rapid, efficient and recyclable adsorbent to remove dyes from aqueous solution.
High-efficient fabrication of core-shell-shell structured SiO2@GdPO4:Tb@SiO2 nanoparticles with improved luminescence
<p>SiO2@GdPO4:Tb@SiO2 nanoparticles with core-shell-shell structure were successfully synthesized by a cheap silane coupling agent grafting method at room temperature. This method not only homogeneously coated rare earth phosphate nanoparticles on the surface of silica spheres, but also saved the use of rare earth resources. The obtained nanoparticles are consisted of SiO2 core with a diameter of ~210 nm, GdPO4:Tb intermediate shell with thickness of ~7 nm, and SiO2 outer shell with thickness of ~20 nm. This unique core-shell-shell structured nanoparticles exhibited strong luminescence properties compared with GdPO4:Tb nanoparticles. The core-shell-shell structured nanoparticles can effectively quench the intrinsic fluorescence of bovine serum albumin (BSA) through a static quenching mode. The as-synthesized nanoparticles show great potential in biological cell imaging and cancer treatment.</p>
Melting experiments on Fe-S-O-C alloys at Martian core conditions: Possible structures in the O- and C-bearing core of Mars
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Figure 3 from: Remsen D, Knapp S, Georgiev T, Stoev P, Penev L (2012) From text to structured data: Converting a word-processed floristic checklist into Darwin Core Archive format. PhytoKeys 9: 1-13. https://doi.org/10.3897/phytokeys.9.2770
Figure 3 - An updated database with final column titles and unique identifier added for each record.
Fig. 9. Two core structures toward 19 in Progress in structure, synthesis and biological activity of natural cephalotane diterpenoids
Fig. 9. Two core structures toward 19.
NIR-light activated core-shell electrospun [Structural Characterization]
<p>Structural Characterization of NIR-light activated core-shell electrospun nanofibers.</p>
figure 5 in Spatial genetic structure in the Eurasian otter (Lutra lutra) meta-population from its core range in Italy
figure 5 Cumulative current map, based on all possible pairs of sampling locations, representing the amount of current flowing through each pixel. Higher current flow represents higher connectivity, and vice versa.
figure 2 in Spatial genetic structure in the Eurasian otter (Lutra lutra) meta-population from its core range in Italy
figure 2 Definition of the six main river basins by drawing a buffer area of 1 km around all waterways connected to the main rivers: in green, the Cilento basin; in pink, the Agri basin; in blue, the Sinni basin; in red, the Lao basin; in orange, the Basento basin; in violet, the Abatemarco basin. Red spots indicate the location of the collected samples. The bold blue lines highlight the main rivers, while the tiny blue lines show all other waterways.
Data from: Preparation of core–shell structured CaCO 3 microspheres as rapid and recyclable adsorbent for anionic dyes
Open the record for dataset details and reuse information.
High-efficient fabrication of core-shell-shell structured SiO2@GdPO4:Tb@SiO2 nanoparticles with improved luminescence
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Effect of non-Schmid Stresses on a-type Screw Dislocation Core Structure and Mobility in Titanium
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Core Mediator structure at 3.4 A extends transcription initiation complex model
GEO Series GSE95483. Saccharomyces cerevisiae. 8 samples. Type: Expression profiling by high throughput sequencing.
Inferring gene networks for strains of Dehalococcoides highlights conserved relationships between genes encoding core catabolic and cell-wall structural proteins
GEO Series GSE42136. Dehalococcoides mccartyi. 36 samples. Type: Expression profiling by array.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.