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6,335 results for “direct”
Direct measurement of oxygen mass transport at the nanoscale
<p>Dataset for article "Direct measurement of oxygen mass transport at the nanoscale". It contains:</p> <p>- secondary ion mass spectrometry (SIMS) data for 18O concentration in thin films of lanthanum chromite (epitaxial and nanocrystalline);</p> <p>- atom probe tomography (APT) data for 18O fraction in thin films of nanocrystalline lanthanum chromite</p> <p>- top view transmission electron microscopy (TEM) data for nanocrystalline films of lanthanum chromite</p> <p> </p>
Mu-rhythm modulation associated with the observation and execution of a goal-directed action in healthy toddlers estimated using two different baseline conditions
<p>The database includes mu-rhythm ERD/ERS values elicited by the observation and execution of a goal-directed action in healthy toddlers (N=19). ERD/ERS values has been computed using to different baseline conditions: 1) observation of a black and white static image (BL1) and 2) short period of stillness (BL2).</p> <p>The first sheet of the database refers to action execution (AE) data, whereas the second sheet refers to action observation (AO) data. The database table in each sheet includes for each subject single trial ERD/ERS values (table rows) registered in 7 different scalp sites (table columns) for both BL1 and BL2.</p> <p>The database was used for the statistical analysis of the following paper: Piazza, C.; Visintin, E.; Reni, G.; Montirosso, R. The Effect of Baseline on Toddler Event-Related Mu-Rhythm Modulation. <em>Brain Sci.</em> <strong>2021</strong>, <em>11</em>, 1159. https://doi.org/10.3390/brainsci11091159 (<a href="https://www.mdpi.com/2076-3425/11/9/1159/htm">https://www.mdpi.com/2076-3425/11/9/1159/htm</a>)</p> <p>All the details about data acquisition and preprocessing are reported in the above mentioned publication.</p>
Coordinating directional switches in pigeon flocks: The role of nonlinear interactions
<p>MatLab Code for paper "Coordinating directional switches in pigeon flocks: The role of nonlinear interactions".</p>
Supporting dataset for manuscript "Direct viscosity measurement of peridotite melt under lower-mantle conditions supports a fractional magma ocean solidification at top lower mantle conditions"
<p>Supporting material for manuscript "<strong>Direct viscosity measurement of peridotite melt under lower-mantle conditions supports a fractional magma ocean solidification at top lower mantle conditions"</strong></p>
Directed Evolution of a Surface-Displayed Artificial Allylic Deallylase Relying on a GFP Reporter Protein
<p>Data underlying the figures in the publication “Directed Evolution of a Surface-Displayed Artificial Allylic Deallylase Relying on a GFP Reporter Protein”, published in <em>ACS Catal</em>. <strong>2021</strong>, 11, 17, 10705–10712.</p> <p>https://pubs.acs.org/doi/10.1021/acscatal.1c02405</p> <p>Table of contents:</p> <p><strong>1. Dataset</strong>; Excel file with the experimental data for <em>figures 2a, 2b, 3b</em> and <em>5</em>, plus protocol for in vivo catalysis, sequencing data and the selection for rescreening.</p>
'Signal integrity' in the Audiovisual Media Services Directive: Process, positions and policies examined and explained
<p>Tables 1 & 2 can be used as complementary material for readers of the forthcoming article (2021) in the Journal of Digital Media & Policy entitled <em>‘Signal integrity’ in the Audiovisual Media Services Directive: Process, positions and policies examined and explained.</em> Table 1 looks at the Mapping of modifications, processes and cases referred to by Article 7b and Recital 26 exemptions, while Table 2 presents the stakeholders' argumentation relating to signal integrity based on economic and cultural positions, and the scope of the measure. For the online version of the article, these tables are referred to in-text in the shape of hyperlinks and full links in the printed version.</p> <p>The article aims to get a broad picture of current practices, positions and policy on signal integrity. Based on the findings, this article proposes a clear framework for the implementation of Article 7b. It identifies the key considerations made in relation to exemptions and consent and reveals the positions of the key stakeholders and the vacuum that is exists at the level of MS regulation. Therefore, the concept of ‘signal integrity’ and the legal protections it sets on broadcasters’ signal will be explored.</p>
Direct evidence that twisted flux tube emergence creates solar active regions
<p>This dataset is related to the paper "Direct evidence that twisted flux tube emergence creates solar active regions" in Nature Communications. There are three main elements:</p> <p>1. Source data: data for all the observational helicity and winding accumulation figures.</p> <p>2. Winding code: the code to download magnetograms and calculate helicity and winding fluxes.</p> <p>3. Simulation code: the MHD code used for the example flux emergence simulation.</p> <p>Instructions are included with the codes.</p>
Additional dataset for a paper "Direct evidence for intercontinental dispersal of a snail via a bird"
<p>This is an appendix dataset for a published paper (https://doi.org/10.1111/ecog.06771). See publishing information.</p>
Do the directions of Social Bonds intervention differentiate the World in terms of capital per beneficiary raised and scheme duration?
<p>Appendix 1 to the article <strong>Do the directions of Social Bonds intervention differentiate the World in terms of capital per beneficiary raised and scheme duration? </strong></p>
Dataset associated with: The ERM-1 membrane-binding domain directs erm-1 mRNA localization to the plasma membrane in the C. elegans embryo
<p>mRNA localization and transport are integral in regulating gene expression. In <em>Caenorhabditis</em> <em>elegans'</em> embryos, the maternally inherited mRNA erm-1 (Ezrin/Radixin/Moesin) becomes concentrated in anterior blastomeres. erm-1 mRNA localizes within those blastomeres to the plasma membrane where the essential ERM-1 protein, a membrane-actin linker, is also found. We demonstrate that the localization of erm-1 mRNA to the plasma membrane is translation dependent and requires its encoded N-terminal, membrane-binding (FERM) domain. By perturbing translation through multiple methods, we found that erm-1 mRNA localization at the plasma membrane persisted only if the nascent peptide remained in complex with the translating mRNA. Indeed, re-coding the erm-1 mRNA coding sequence while preserving the encoded amino acid sequence did not disrupt erm-1 mRNA localization, corroborating that the information directing mRNA localization resides within its membrane-binding protein domain. A single-molecule inexpensive fluorescence in situ hybridization screen of 17 genes encoding similar membrane-binding domains identified three plasma membrane-localized mRNAs in the early embryo. Ten additional transcripts showed potential membrane localization later in development. These findings point to a translation-dependent pathway for localization of mRNAs encoding membrane-associated proteins.</p>
Accelerate the Parameterization of Unified Microphysics Across Scales (PUMAS) on the graphics processing unit (GPU) with directive-based methods
<p>Code used to produce results of paper titled "Accelerate the Parameterization of Unified Microphysics Across Scales (PUMAS) on the graphics processing unit (GPU) with directive-based methods" by Sun et al.</p> <p>Includes:</p> <p>- Source code of CAM to perform a CPU or GPU simulation</p> <p>- Source code of PUMAS stand-alone kernel for GPU porting (OpenACC and OpenMP offload), an example batch script for build/run on Casper (NCAR's cluster) and the input dataset</p> <p>- Dataset to reproduce the figures in the paper</p> <p> </p> <p>Contact details: Jian Sun (sunjian@ucar.edu)</p>
Raw data for the article "Substrate-Controlled C-H or C-C Alkynylation of Cyclopropanes: Generation of Aryl Radical Cations by Direct Light Activation of Hypervalent Iodine Reagents "
<p>Raw computational, NMR, IR and MS data for the article "Substrate-Controlled C-H or C-C Alkynylation of Cyclopropanes: Generation of Aryl Radical Cations by Direct Light Activation of Hypervalent Iodine Reagents " published in Chemical Science, DOI: </p> <p><a href="https://doi.org/10.1039/D2SC04344K">https://doi.org/10.1039/D2SC04344K</a></p> <p>The number of the folders either correspond to compounds numbers in the article or the name of the folder is self-describing. All details concerning conditions and equipment for measurements can be found in the supporting information of the article.</p>
Migration direction in a songbird explained by two loci
<p><span>Migratory routes and remote wintering quarters in birds are often species and even population specific. It has been known for decades that songbirds mainly migrate solitarily and that the migration direction is genetically controlled. Yet, the underlying genetic mechanisms remain unknown. To investigate the genetic basis of migration direction, we track genotyped willow warblers <em>Phylloscopus</em> <em>trochilus</em> from a migratory divide in Sweden, where South-West migrating and South-East migrating subspecies form a hybrid swarm. We find that migration direction follows a dominant inheritance pattern with epistatic interaction between the two loci explaining 74% of variation. Consequently, most hybrids migrate similarly to one of the parental subspecies and therefore do not suffer from the cost of following an inferior, intermediate route. This has significant implications for understanding the selection processes that maintain narrow migratory divides.</span></p>
Timing of hydrologic anomalies direct impacts on migration traits in a flood pulse fishery system
<p>1. Understanding adaptive reservoir management strategies that balance ecological outcomes with other objectives necessitates properly articulated environmental objectives. Aside from flood pulse extent-related metrics, residual-based descriptors provide robust descriptions of fish assemblage structure and harvest.</p> <p>2. We proposed a model framework based on spectral analysis of hydrologic variation and the Multivariate AutoRegressive State Space (MARSS) model to statistically quantify the effect sizes of hydrologic variation impacts on total fish catch and functional group (migration types) fish harvest and applied it to 17 years of fish harvest data from the Lower Mekong River Basin (LMB).</p> <p>3. Our findings suggest that duration and timing of hydrologic anomalies matter as much as their magnitude. Anomaly droughts coupled with strong pulse can benefit species if timed correctly. Longitudinal migrators were more sensitive to anomalous floods and droughts than other migratory species. Fish catch projections using effect sizes derived from historical data revealed that a well-timed and protracted flood followed by a powerful flood pulse would be advantageous to the fishery, but a flood delay could negate such benefits.</p> <p>4. Our results add to a growing body of research that suggests ecological flows can be engineered. For most dams, the rule curve describing reservoir releases and resulting downstream hydrograph is designed in an ecological vacuum in which the objectives are to maximize human services—power production, flood control or navigation. Our work demonstrates that hydrograph can be designed to manage aspects of functional biodiversity directly. Though the exact shape of our hydrograph may not apply to other engineered river systems, we suggest that the approach can be applied generally, and globally both to developed and developing river basins. Specifically, a functional biodiversity rule curve could be optimized as an additional objective function in a multi-objective optimization framework. Our methodology provides a quantitative method for deriving an ecological flow for this larger tradeoff analysis.</p>
Mid-infrared difference-frequency generation directly pumped by a fiber four-wave mixing source
<p>Open access dataset for all figures in 'Mid-infrared difference-frequency generation directly pumped by a fiber four-wave mixing source'.</p>
DATA : Reward expectations direct learning and drive operant matching in Drosophila
<p>This dataset contains all the behavioral data used in the research report titled " Reward expectations direct learning and drive operant matching in Drosophila" currently submitted to PNAS.</p>
A direct comparison of ecological theories for predicting the relationship between plant traits and growth
<p>Despite long-standing theory for classifying plant ecological strategies, limited data directly links organismal traits to whole-plant growth rates. We compared trait-growth relationships based on three prominent theories: growth analysis, Grime's competitive-stress tolerant-ruderal (CSR) triangle, and the leaf economics spectrum (LES). Under these schemes, growth is hypothesized to be predicted by traits related to relative biomass investment, leaf structure or gas exchange, respectively. We also considered traits not included in these theories, but that might provide potential alternative best predictors of growth. In phylogenetic analyses of 30 diverse milkweeds (<em>Asclepias</em> spp.) and 21 morphological and physiological traits, growth rate (total biomass produced per day) varied 50-fold and was best predicted by biomass allocation to leaves (as predicted by growth analysis) and the CSR traits of leaf size and leaf dry matter content. Total leaf area and plant height were also excellent predictors of whole-plant growth rate. Despite two LES traits correlating with growth (mass-based leaf nitrogen and area-based leaf phosphorus contents), these were in the opposite direction predicted by LES, such that higher N and P contents corresponded to slower growth. The remaining LES traits (e.g., leaf gas exchange) were not predictive of plant growth rates. Overall, differences in growth rate were driven more by whole-plant characteristics such as biomass fractions and total leaf area than individual leaf-level traits such as photosynthetic rate or specific leaf area. Our results are most consistent with classical growth analysis - combining leaf traits with whole-plant allocation to best predict growth. However, given that destructive biomass measures are often not feasible, applying easy-to-measure leaf traits associated with the CSR classification appear more predictive of whole plant growth than LES traits. Testing the generality of this result across additional taxa would further improve our ability to predict whole-plant growth from functional traits across scales.</p>
Data from: Direct generation of spatially entangled qudits using quantum nonlinear holography - variances
<p>Nonlinear holography shapes the amplitude and phase of generated new harmonics using nonlinear processes. Classical nonlinear holography influenced many fields in optics, from information storage, de-multiplexing of spatial information and all-optical control of accelerating beams. Here, we extend the concept of nonlinear holography to the quantum regime. We directly shape the spatial quantum correlations of entangled photon pairs in two-dimensional patterned nonlinear photonic crystals using spontaneous parametric down conversion, without any pump shaping. The generated signal-idler pair obeys a parity conservation law that is governed by the nonlinear crystal. Furthermore, the quantum states exhibit quantum correlations and violate the Clauser-Horne-Shimony-Holt inequality, thus enabling entanglement-based quantum key distribution. Our demonstration paves the way for controllable on-chip quantum optics schemes utilizing the high-dimensional spatial degree of freedom.</p>
Data for the paper "Direct Microstability Optimization of Stellarator Devices"
<p>This archive contains data and source code used for the paper "Direct Microstability Optimization of Stellarator Devices".</p>
Supplementary material for "Investigating phoneme-dependencies of spherical voice directivity patterns II: Various Groups of Phonemes"
<p>The .pdf file contains</p> <ul> <li>general information on the voice directivity files in the SOFA format</li> <li>information on the indices and names of the SOFA-files</li> <li>additional plots</li> </ul> <p> </p> <p>The .zip files contain</p> <ul> <li>voice directivities in the SOFA format sampled on the sparse measuring grid</li> <li>voice directivities in the SOFA format upsampled to a dense grid</li> </ul> <p> </p> <p>The Matlab script provides</p> <ul> <li>an example reading a dataset, performing spatial upsampling if required, and creating some basic plots. </li> </ul>
ScienceDex guides
Understand access before you commit
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.