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6,335 results for “direct”
Petrucco et al, Neural dynamics and architecture of the heading direction circuit in a vertebrate brain [Dataset]
<p>Data supporting the paper <a href="https://www.biorxiv.org/content/10.1101/2022.04.27.489672v1.full">Neural dynamics and architecture of the heading direction circuit in a vertebrate brain</a>. </p>
The evolution of lexical semantics dynamics, directionality, and drift: S4
<p>Supplementary Material (S4) for the study "The evolution of lexical semantics dynamics, directionality, and drift", for Frontiers in Communication, Special Issue "<a href="https://www.frontiersin.org/research-topics/38650/the-evolution-of-meaning-challenges-in-quantitative-lexical-typology?fbclid=IwAR3AeXx_11P-8CZG0UavlOgqvbVo6MlMxX8AejtPiREAKmeLyy3LIB3Ux24">The Evolution of Meaning: Challenges in Quantitative Lexical Typology</a>", ed. Gerd Carling & Annemarie Verkerk</p>
Dataset and codes for "Direct and indirect effects of pets on the health of older adults"
<p>Dataset, codes and supplementary material for "<strong>Direct and indirect effects of pets on the health of older adults"</strong></p> <p>Life expectancy emphasizes the importance of adapting to and adopting new measures that will benefit healthy aging. A promising lead is the potential benefits of pets for older adults in their homes. This study aimed to test the influence of socio-demographic and environmental factors on the presence of dogs and cats around older adults. The direct and indirect effects of pets, using sociality and mobility factors, were tested on health variables. The social cohesion of a community and type of dwelling appeared to be related to the presence of pets. In addition, the results showed mixed effects of pets, namely a positive influence on mental health via the social network of older adults, and a negative influence in the form creation of a certain stress. In general, the effects of pets on the lives of older adults constitute an important research framework to pursue in the context of healthy aging.</p>
Data associated to the manuscript "Direct Imaging of Micrometer Thick Interfaces in Salt-Salt Aqueous Biphasic Systems"
<p>Supporting data for the article:</p> <p>Direct Imaging of Micrometer Thick Interfaces in Salt-Salt Aqueous Biphasic Systems</p> <p>PNAS 2023, doi: 0.1073/pnas.2220662120</p> <p>The folder contains binodal curves and surface tension measurements, FTIR and NMR raw data, and Raman imaging data.</p> <p> </p>
Direct observations of wave-sea ice interactions in the Antarctic Marginal Ice Zone
<p>These are the data used in the analysis and creation of figures in S. Wahlgren, L.C. Biddle, J. Thomson and S. Swart: <em><strong>Direct observations of wave-sea ice interactions in the Antarctic Marginal Ice Zone</strong> </em>[Submitted]. Preprint: https://doi.org/10.22541/essoar.168201718.84053333/v1</p> <p>Abstract:</p> <p>Wave energy propagating into the Antarctic marginal ice zone affects the quality and extent of the sea ice, and wave propagation is therefore an important factor for understanding and predicting changes in sea ice cover. Sea ice is notoriously hard to model and in-situ observations of wave activity in the Antarctic marginal ice zone are scarce, due to the extreme conditions of the region. Here, we provide new in-situ data from two drifting Surface Wave Instrument Float with Tracking (SWIFT) buoys deployed in the Weddell Sea in the austral winter and spring in 2019. The buoy location ranges from open water to more than 200 km into the sea ice. We estimate the attenuation of swell with wave periods 8-18 s, and find an attenuation coefficient <em>α = </em>4·10<sup>-6</sup> to 7·10<sup>-5</sup> m<sup>-1</sup> in spring, and approximately five-fold larger in winter. The attenuation coefficients show a power law frequency dependence, with power coefficient 3.3 in spring and 4 in winter. The in-situ data also shows a change in wave direction, where wave direction tends to be more perpendicular to the ice edge farther into the sea ice. A possible explanation for this might be a change in the dispersion relation caused by changing sea ice composition. These observations can help shed further light on the influence of sea ice on waves propagating into the Marginal Ice Zone, aiding development of coupled wave-sea ice models.</p> <p><strong>Related code: </strong> The accompanying code can be found at <strong> </strong>https://github.com/stinawahlgren/roammiz-wave-seaice-interactions. SWIFT buoy data has been processed using https://github.com/SASlabgroup/SWIFT-codes.</p>
Inconel 718 two ways: Powder Bed Fusion vs. Directed Energy Deposition
<p>Raw data associated with a paper submission.<br> "Inconel 718 two ways: Powder Bed Fusion vs. Directed Energy Deposition" submitted to Additive Manufacturing Letters.</p> <p>Contained are all the raw data used in the analysis, as well as csv's of any data plotted in graphs.</p> <p>Raw coaxial images captured during printing of various processing parameters<br> Optical Micrographs from which melt pool size and PDAS were measured<br> EBSD scans (.crc and .oip) of all disucssed samples<br> Raw Hardness Data<br> Position/Power logs from the build</p>
Cluster expansions in icet format for direct download
<p>This record contains cluster expansions (CEs) in <a href="https://icet.materialsmodeling.org/">icet</a> format from the following three publications</p> <ul> <li><em>High-Throughput Characterization of Transition Metal Dichalcogenide Alloys: Thermodynamic Stability and Electronic Band Alignment</em>, <a href="10.1021/acs.chemmater.2c01176">DOI:10.1021/acs.chemmater.2c01176</a></li> <li><em>Hydrogen-Driven Surface Segregation in Pd Alloys from Atomic-Scale Simulations</em>, <a href="https://doi.org/10.1021/acs.jpcc.1c00575">DOI: 10.1021/acs.jpcc.1c00575</a></li> <li><em>To Every Rule There is an Exception: A Rational Extension of Loewenstein's Rule</em> ,<a href="https://doi.org/10.1002/anie.202013256">DOI: 10.1002/anie.202013256</a></li> </ul> <p>They are compiled here to enable easy access via, e.g., <code>curl</code> or <code>wget</code>.</p>
Direct evidence of substorm-related impulsive injections of electrons at Mercury
<p>This data set includes electron energy-time spectrograms obtained by MEA1 and MEA2 in units of differential energy flux (eV/cm^2/s/sr/eV) and energetic neutral atoms obtained by ENA in counts during BepiColombo Mio's first Mercury flyby. The data are uncalibrated, thus to properly use these data, contacting PI teams is highly recommended.</p>
Directed Stepwise Tracing of Polysynaptic Neuronal Circuits With Replication-deficient Pseudorabies Virus
<p>Data for paper: Directed Stepwise Tracing of Polysynaptic Neuronal Circuits With Replication-deficient Pseudorabies Virus.</p> <p>Brain functions are accomplished by polysynaptic circuits formed by neurons wired together through multiple orders of synaptic connections. Polysynaptic connectivity has been difficult to examine due to a lack of methods of continuously tracing the pathways in a controlled manner. Here we demonstrate directed, stepwise retrograde polysynaptic tracing by inducible reconstitution of replication-deficient transneuronal pseudorabies virus (PRV<sup>∆IE</sup>) in the brain. Furthermore, PRV<sup>∆IE</sup> replication can be temporally restricted to minimize its neurotoxicity. With this tool, we delineate a wiring diagram between the hippocampus and striatum-- two major brain systems for learning, memory and navigation--which consist of projections from specific hippocampal domains to specific striatal areas via distinct intermediate brain regions. Therefore, this inducible PRV<sup>∆IE </sup>system provides a tool for dissecting polysynaptic circuits underlying complex brain functions.</p>
Temporal dynamics of mother-offspring relationships in Bigg's killer whales: opportunities for kin-directed help by post-reproductive females
<p>Age-related changes in the patterns of local relatedness (kinship dynamics) can be a significant selective force for shaping the evolution of life history and social behaviour. In humans and some species of toothed whales, average female relatedness increases with age which can select for a prolonged post-reproductive lifespan in older females due to both the costs of reproductive conflict and the benefits of late-life helping of kin. Killer whales (<em>Orcinus</em> <em>orca</em>) provide a valuable system for exploring social dynamics related to such costs and benefits in a mammal with an extended post-reproductive female lifespan. We use >40 years of demographic data to investigate the opportunities for helping and harming in the mammal-eating Bigg's killer whale by quantifying how mother-offspring social relationships change with offspring age. Our results suggest a high degree of male philopatry and female-biased budding dispersal in Bigg's killer whales, with some variability in the dispersal rate for both sexes. These patterns of dispersal provide opportunities for late-life helping of particularly adult sons, while partly mitigating the costs of mother-daughter reproductive conflict. This is an important step towards understanding the evolution of menopause in the few species it occurs.</p>
Dataset of the Journal article "Energy duty in direct contact membrane distillation of hypersaline brines operating at the water-energy nexus"
<p>This repository contains the Dataset of the Journal article "Energy duty in direct contact membrane distillation of hypersaline brines<br> operating at the water-energy nexus" published on Journal of Membrane Science. </p>
Reforestation of high elevation pines: Direct seeding success depends on seed source and sowing environment
<p>Forest persistence in regions impacted by increasing water and temperature stress will depend upon species' ability to either rapidly adjust to novel conditions or migrate to track ecological niches. Predicted, rapid climate change is likely to outpace the adaptive and migratory capacity of long-lived isolated tree species, and reforestation may be critical to species' persistence. Facilitating persistence both within and beyond a species' range requires identification of seed lots best adapted to the current and future conditions predicted with rapid climate change. We evaluate variation in emergent seedling performance that leads to differential survival among species and populations for three high-elevation five-needle pines. We paired a fully reciprocal field common garden experiment with a greenhouse common garden study to a) quantify variation in seedling emergence and functional traits, b) ask how functional traits affect performance under different establishment conditions, and c) evaluate whether trait and performance variation demonstrates local adaptation and plasticity. Among study species – limber, Great Basin bristlecone, and whitebark pines – we found divergence in emergence and functional traits, though soil moisture was the strongest driver of seedling emergence and abundance across all species. Generalist limber pine had a clear emergence advantage as well as traits associated with drought adaptation, while edaphic specialist bristlecone pine was characterized by low emergence yet high early survival once established. Despite evidence for edaphic specialization, soil characteristics alone did not explain bristlecone success. Across species, trait-environment relationships provided some evidence for local adaptation in drought-adapted traits, but we found no evidence of local adaptation in emergence or survival at this early life stage. For managers looking to promote persistence, sourcing seed from drier environments is likely to impart greater drought resistance into reforestation efforts through strategies such as greater root investment, increasing the probability of early seedling survival. This research demonstrates, through a rigorous reciprocal transplant experimental design, that it may be possible to select climate- and soil-appropriate seed sources for reforestation. However, planting success will ultimately rely on a suitable establishment environment, requiring careful consideration of interannual climate variability for management interventions in these climate- and disturbance-impacted tree species.</p>
Instances of Orbit Slot Allocation Problems modeled as Directed Path Allocation Problems (DPAP)
<p><strong>Contents</strong></p> <p>This repository contains instances of Orbit Slot Allocation Problems modeled as Directed Path Allocation Problems (DPAP), defined in [<a href="roussel2023">1</a>]. These instances represent orbit slot allocation problems encoded as V-DPAP (Vertex-Constrained Directed Path Allocation Problem) or R-DPAP (Resource-Constrained Directed Path Allocation Problem).</p> <p>Each instance is provided as set of files, following the provided schema:</p> <ul> <li>One <code>instance_<i>_Graph_Request_<u>_<r>.dot</code> file per request, representing a graph, using the <a href="https://graphviz.org/doc/info/lang.html">dot language</a>, where <code><i></code> is the instance number, <code><u></code> is the id of the user emitting the request, and <code><r></code> is the unique id of the request/graph. Each such file lists a set of vertices and and set of weighted edges (using the <code>label</code> property of the dot language to set the weights). In the current set of instances, there are 8 requests per instance (2 requests per user, with 4 users).</li> <li>One <code>instance_<i>.inc</code> file, listing the incompabilities between vertices, with one set of incompatible vertices per row.</li> </ul> <p>Files are contained in subdirectories following the <code><n>_<m>_<mode>_<model></code> pattern, where <code><n></code> is the number of satellites per orbit plane (2, 4, 8, 16), <code><m></code> is the number of requests per user (2 only in this dataset), <code><mode></code> satisfaction mode of the request (<code>full</code> or <code>partial</code>), and <code><model></code> is the type of problem model used to encode the orbit slot allocation problems (<code>vdpap</code> or <code>rdpap</code>).</p> <p>We redirect to the referenced paper for more details on the DPAP, V-DPAP and R-DPAP models.</p> <p><strong>Acknowledgements</strong></p> <p>This work has been performed with the support of the French government in the context of the "Programme d'Invertissements d'Avenir", namely by the BPI PSPC LiChIE project (Lion Chaine Image Elargie), coordinated by Airbus Defence and Space.</p> <p><strong>References</strong></p> <p>[1] S. Roussel, G. Picard, C. Pralet and S. Maqrot. Conflicting Bundle Allocation with Preferences in Weighted Directed Acyclic Graphs: Application to Orbit Slot Allocation Problems, in MDPI <em>Systems</em>, Special Issue on Frontiers in Practical Applications of Agents, Multi-Agent Systems and Simulating Complex Systems, 2023.</p>
Dataset associated with publication "Direct observation of coherence transfer and rotational-to-vibrational energy exchange in optically centrifuged CO2 super-rotors" to be published in Nature Communications
<p>This dataset contains all data to compose figures in the associated manuscript. Some of the images are presented in MatLab .mat files. If a different format is needed, please contact the corresponding author. </p>
N6-Methyladenosine Directly Regulates CD40L Expression In CD4+ T Lymphocytes
<p><strong>Abstract</strong></p> <p>T cell activation is a highly regulated process, modulated via the expression of various immune regulatory proteins including cytokines, surface receptors and co-stimulatory proteins. N<sup>6</sup>-methyladenosine (m<sup>6</sup>A) is an RNA modification that can directly regulate RNA expression levels and it is associated with various biological processes. However, the function of m<sup>6</sup>A in T cell activation remains incompletely understood. We identify m<sup>6</sup>A as a novel regulator of the expression of CD40 ligand (CD40L) in human CD4<sup>+</sup> lymphocytes. Manipulation of the m<sup>6</sup>A ‘eraser’ fat mass and obesity-associated protein (FTO) and m<sup>6</sup>A ‘writer’ protein methyltransferase-like 3 (METTL3) directly affects the expression of CD40L. The m<sup>6</sup>A ‘reader’ protein YT521-B homology domain family-2 (YTHDF2) is able to recognize and bind m<sup>6</sup>A specific sequences on the <em>CD40L</em> mRNA and promotes its degradation. This study demonstrates that CD40L expression in human primary CD4<sup>+</sup> T lymphocytes is regulated via m<sup>6</sup>A modifications, elucidating a new regulatory mechanism in CD4<sup>+</sup> T cell activation that could possibly be leveraged in the future to modulate T cell responses in patients with immune-related diseases.</p> <p> </p> <p><strong>Data deposited</strong></p> <ul> <li>meRIP sequencing: read counts of healthy control peripheral blood-derived CD4+ T lymphocytes (figure 1 in article).</li> <li>meRIP sequencing: per gene TMM normalized log2(CPM + 0.168) expression values of healthy control peripheral blood-derived CD4+ T lymphocytes (figure 1 in article). Also includes Log2FoldChange values or each gene.</li> </ul>
Accompanying data for the paper "Reduced order modeling of geometrically nonlinear rotating structures using the direct parametrisation of invariant manifolds"
<p>Links</p><ul><li>isSupplementTo <i>publication-article</i> <a href="https://doi.org/10.46298/jtcam.10430">https://doi.org/10.46298/jtcam.10430</a></li><li>isSupplementedBy <i>software</i> <a href="https://archive.softwareheritage.org/swh:1:dir:97292192b4790c2af01e25f4694d024561c5638c;origin=https://github.com/MORFEproject/MORFEInvariantManifold.jl;visit=swh:1:snp:cbd3f3eaf0dc99efb1d6bed706c3b4c3b67a1077;anchor=swh:1:rev:f56492ccd78890ee2b82970ae8941d6e39c0c147">https://archive.softwareheritage.org/swh:1:dir:97292192b4790c2af01e25f4694d024561c5638c;origin=https://github.com/MORFEproject/MORFEInvariantManifold.jl;visit=swh:1:snp:cbd3f3eaf0dc99efb1d6bed706c3b4c3b67a1077;anchor=swh:1:rev:f56492ccd78890ee2b82970ae8941d6e39c0c147</a></li></ul><p>Language</p><ul><li>English</li></ul><p>License</p><ul><li>Creative Commons Attribution 4.0</li></ul><p>Contributions</p><ul><li>Adrien MARTIN carried out the main part of study, defined the examples, performed the numerical simulations and drafted the manuscript;</li><li>Andrea OPRENI and Alessandra VIZZACCARO developed the methodology and built the main parts of the Julia code implementing the reduction method;</li><li>Andrea OPRENI developed the first version of the HBFEM code which has been updated for rotation in collaboration with Adrien MARTIN;</li><li>Marielle DEBEURRE performed all the simulations shown in Appendix C related to the Timoshenko beam model with continuation;</li><li>Loïc SALLES supervised the work, discussed applications to blades, and helped in designing and understanding the twisted plate model;</li><li>Attilio FRANGI supervised the work and help in the development of the methodology;</li><li>Olivier THOMAS helped in all discussions related to the comparisons with the thin beam example and wrote Appendix C;</li><li>Cyril TOUZE supervised the work, carried out most of the writing and developed the methodology;</li></ul><p>All authors read and approved the final manuscript.</p><p>Data collection: period and details</p><ul><li>Datasets produced between September and December 2022</li></ul><p>Funding sources</p><ul><li>Funding from AID (Agence de l'Innovation de Défense), project REMODEL, contract number 2020 65 0057 ENSTA</li></ul><p>Data structure and information</p><ul><li>README.md: Contains the general information concerning this dataset</li></ul><p>Figures</p><ul><li>fig_1: description of the rotating beam</li><li>fig_2(a,b,c,d): Linear characteristics of the rotating cantilever beam</li><li>fig_3(a,b): FRC of the rotating cantilever beam around 1F mode</li><li>fig_4: Convergence of the non-autonomous part of DPIM for the 1F mode</li><li>fig_5(a,b,c,d,e,f): Interpolation of the coefficients of the autonomous ROM</li><li>fig_6(a,c): Hardening/softening behaviour of the rotating beam; fig 6b is a zoom on fig 6a</li><li>fig_7(a,b,c): Comparisons of FRCs obtained from interpolated ROMs with FOM solution</li><li>fig_8a: FRC of the rotating cantilever beam around 2F mode; fig 8b is a zoom of fig 8a</li><li>fig_9(a,b,c,d): fig 9 a-b-c : geometry of the blade and some modes and static displacements; fig 9d : Campbell diagram of the blade</li><li>fig_10: FRC of the twisted plate</li><li>fig_11(a,b,c): Computing time and convergence analysis with respect to mesh refinement for the fan blade</li></ul><p>fig_12(a,b,c,d): FRC of interpolated ROMs with increasing degrees compared to reference solution</p><p>fig_A_1: Campbell diagram of the beam : impact of Coriolis effects</p><ul><li>fig_C_3(a,b,c,d,e,f,g,h,i): Comparison of the results on the beam studied between DPIM and article from Thomas for 1F and 2F modes</li><li>fig_C_2(a, b): Comparison of the results on the beam studied between : DPIM, article from Thomas and results from Debeurre</li></ul>
6 DoF Directional Room Impulse Response Dataset Measured over a Dense Loudspeaker Grid (6DRIR-DL)
<p>The 6DoF directional RIR dataset (aka <strong>6DRIR-DL</strong>) includes room impulse responses (RIRs) measured by <strong>nine</strong> spherical microphone arrays (SMAs; Zylia ZM-1S) distributed in a semi-cuboid room. <strong>6DRIR-DL</strong> is specialized by its massive loudspeaker positions (<strong>392</strong> locations), which were incorporated for the 6DOF source localization task. The inter-element spacing between loudspeakers is only 8 cm, so the dataset can be utilized to validate a sound source localization algorithm for closely positioned multiple sound sources.</p>
Root mutualistic fungi tailor the induction of direct and indirect antiherbivore defense strategies to enhance plant resistance
<p>GCMS raw data in netCDF format for the manuscript "Root mutualistic fungi tailor the induction of direct and indirect antiherbivore defense strategies to enhance plant resistance" </p> <p>Mutualistic microbes can trigger plant defenses against herbivores. Little is known about how microbes orchestrate multiple induced defense strategies that may trade-off against each other. We investigated how two root mutualistic fungi trigger simultaneously direct and indirect antiherbivore-defenses, and the regulatory mechanisms involved</p>
Evolutionary signatures of a trade-off in direct and indirect defenses across the wild grape genus Vitis
<p>Evolutionary correlations between chemical defense and protection by mutualist bodyguards have been long predicted, but tests of these patterns remain rare. We use a phylogenetic framework to test for evolutionary correlations indicative of trade-offs or synergisms between direct defense in the form of plant secondary metabolism, and indirect defense in the form of leaf domatia, across 33 species in the wild grape genus, <em>Vitis</em>. We also performed a bioassay with a generalist herbivore to associate our chemical phenotypes with herbivore palatability. Finally, we tested whether defensive traits correlate with the average abiotic characteristics of each species' contemporary range and whether these correlations were consistent with plant defense theory. We found a negative evolutionary correlation between domatia size and the diversity of secondary metabolites in <em>Vitis</em> leaf tissue across the genus, and also that leaves with a higher diversity and richness of secondary metabolites were less palatable to a generalist herbivore, consistent with a trade-off in chemical and mutualistic defense investment. Predictions from plant defense theory were not supported by associations between investment in defense phenotypes and abiotic variables. Our work demonstrates an evolutionary pattern indicative of a trade-off between indirect and direct defense strategies across the <em>Vitis</em> genus.</p>
Direct Numeric Simulation dataset archives
<p>Cloud droplets are analyzed using DNS data. Let's first discuss the many types of cloud representation and the cloud's structure before getting into the data. Later, the World Meteorological Organization adopted this classification, and eleven cloud genera are now recognized according to height and appearance. The middle clouds in the center, low clouds in the bottom panel, and high clouds in the top panel. We used simulated data of cumulus-type low clouds. Fair weather clouds that resemble white cotton balls are present. Clouds have a number of effects on the atmosphere, including the hydrological cycle and the radiation imbalance.</p>
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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.