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10,735 results for “dependability”
Modelling and simulating age-dependent pedestrian behaviour with an autonomous vehicle
<p>Video "1_SimulationWithoutAgel" shows the simulation before the modifications of the model and the implementation.</p> <p>Video "2_SimulationWithAge" shows the simulation after the modifications of the model and the implementation depending on the age data.</p> <p> </p> <p>Videos of the article: "Modelling and simulating age-dependent pedestrian behaviour with an autonomous vehicle"</p> <p>Abstract: In shared spaces, autonomous vehicles (AVs) will have to move efficiently and safely, without normal road signage, and with other users such as pedestrians, cyclists and drivers. To achieve this, AVs need to anticipate the behaviours of other road users in order to adapt their navigation accordingly. This paper focuses on age-related pedestrian behaviours with an autonomous vehicle. Looking at age as one of the main factors determining behaviour, a literature review is conducted. The results are used to integrate age-dependent pedestrian behaviours into a model for simulating more realistic pedestrian behaviours in shared spaces with an AV.</p>
NGS data from: Predominant HDR-dependent genome editing and prevention of byproducts by DNA repair pathway choice
<p>CRISPR-Cas9 genome editing has been widely adapted to cleave genomic DNA sequences of interest. Cellular repair of the CRISPR induced DNA double-strand breaks is dominated by error prone end joining pathways that outcompete inefficient homology-directed repair (HDR) that would allow precise introduction of a mutation present in a supplied synthetic DNA donor. To achieve predominant HDR, we studied the combinatory effect of inhibitory mutations in genes that are central to competing repair pathways.</p>
Density-dependent changes in elk resource selection over successional time scales following forest disturbance
<p>There is an increasing need to understand how animals respond to modifications of their habitat following landscape-scale disturbances such as wildfire or timber harvest. Such disturbances can promote increased use by herbivores due to changes in plant community structure that improve forage conditions, but can also cause avoidance if other habitat functions provided by cover are substantially reduced or eliminated. Quantifying the total effects of these disturbances, however, is challenging because they may not fully be apparent unless observed at successional timescales. Further, the effects of disturbances that improve habitat quality may be density dependent such that the benefits are 1) less valuable to high-density populations because the per-capita benefits are reduced when shared among more users, or alternatively, 2) more valuable to animals living in high densities because resources may be more depleted from greater intraspecific competition. We used 30 years of telemetry data on elk occurring at two distinct population densities to quantify changes in space use at diel, monthly, and successional timescales following timber harvest. Elk selected for logged areas at night only, with selection strongest during mid-summer, and peak selection occurring 14 years post-harvest but persisting for 26–33 years. This pattern of increased selection at night following a reduction in overhead canopy cover is consistent with elk exploiting improved nutritional conditions for foraging. The magnitude of selection for logged areas was 73% higher for elk at low population density, consistent with predictions from the ideal free distribution. Yet elk avoided these same areas during daytime up to 28 years post-logging and instead selected for untreated forest, suggesting a role for cover to meet other life history requirements. Our results demonstrate that while landscape-scale disturbances can lead to increased selection by large herbivores suggesting the improvement in foraging conditions can persist over short-term successional timescales, the magnitude of the benefits may not be equal across population densities. Further, the enduring avoidance of logging treatments during daytime indicates a need for structurally-intact forest and suggests that a mosaic of forest patches of varying successional stages and structural completeness will likely be most beneficial to large herbivores.</p>
Female investment in terminal reproduction or somatic maintenance depends on infection dose - data
<p>This is the data used in an experiment investigating the effects of infection dose on fecundity compensation in the red flour beetle.</p>
Data for: Spatial heterogeneity and infection patterns on epidemic transmission disclosed by a combined contact-dependent dynamics and compartmental model
<p>Epidemics, such as COVID-19, have caused significant harm to human society worldwide. A better understanding of epidemic transmission dynamics can contribute to more efficient prevention and control measures. Compartmental models, which assume homogeneous mixing of the population, have been widely used in the study of epidemic transmission dynamics, while agent-based models rely on a network definition for individuals. In this study, we developed a real-scale contact-dependent dynamic (CDD) model and combined it with the traditional susceptible-exposed-infectious-recovered (SEIR) compartment model. </p>
Data associated with Cell Reports publication: Dura-Bernal et al. 2023, "Multiscale model of primary motor cortex circuits predicts in vivo cell type-specific, behavioral state-dependent dynamics"
<p>This dataset includes experimental data used to constrain and validate the model, and model simulation output data. The source code for the associated M1 model and data analysis can be found here: https://github.com/suny-downstate-medical-center/M1_NetPyNE_CellReports_2023</p> <p>Please download the data_v2.zip file, which contains the most updated and complete version of the data.</p> <p>For more information please contact: salvador.dura-bernal@downstate.edu </p>
Data for taxon-dependent effects of dispersal limitation versus environmental filters on bryophyte assemblages―Multiple perspective studies in land-bridge islands
<p><strong><span>Aim</span></strong><span>: To explore the taxon-dependent contribution of dispersal limitation vs. environmental filters to bryophyte assemblages.</span></p> <p><strong><span>Location</span></strong><span>: The Thousand Island Lake, China </span></p> <p><strong><span>Taxon</span></strong><span>: Bryophytes</span></p> <p><strong><span>Methods</span></strong><span>: We compared the observed beta diversity with the expected values based on six null models (EE, EF, FE, FF, PE, PF) and detected the partial correlation of beta diversity with geographical distances. We quantified the contributions of spatial vs. environmental variables, and island isolation per se to species composition (SC) by using variance partitioning. We modeled the species-area relationships (SARs) for bryophytes and other eight biotas. To explore the taxon-dependent effects of spatial vs. environmental filters on bryophytes, sixteen taxa including five categories (total bryophytes, total mosses, liverworts, acrocarpous and pleurocarpous mosses) and eleven species-richest families were included in the analyses.</span></p> <p><strong><span>Results</span></strong><span>: The observed beta diversity values were significantly different from the predicted values based on the six null models for all 16 taxa. For all five categories, the observed partial correlations between beta diversity and geographical distance after controlling environmental effects were not only positive but also significantly different from the predicted values based on the null models. Spatial eigenvectors are more important in shaping SC than environmental variables for all 16 taxa except Brachytheciaceae and Anomodontaceae. Spatial eigenvectors contributed more to SC variation in liverworts than in mosses, and in pleurocarpous mosses than in acrocarpous mosses. The effects of island isolation on SC were significant for all five categories and varied </span><span>highly </span><span>at the family level. The z-values of the SARs for the five bryophyte categories were all larger than those of the other eight biotas.</span></p> <p><span><strong>Main</strong> <strong>conclusions</strong></span><span>: In subtropical fragmented forests, dispersal limitation exerted significant, taxon-dependent effects on bryophyte assemblages. It was dispersal limitation rather than environmental filtering that predominantly regulated SC patterns of bryophytes. </span></p>
Two Class Dependency Cycle Empirical Study
<p>This dataset includes 3 folders.</p> <ul> <li>Folder <strong>recurring-patterns</strong> contains successful untangling cases we manually inspect and classify into each pattern. In one instance folder, it contains src code before and after a commit (src/), cyclic files presented in dependency graph before and after a commit (cycle-dependency-change/), all modified files presented in dependency graph before and after a commit (all-modified-files-dependency-change), detailed code diff (diff.txt), and mined refactoring operations from RefactoringMiner 2.0.0 (refactor.json).</li> <li>Folder<strong> common-mistakes</strong> contains cases where dependency cycles are not correctly resolved. The file structure of each instance is the same as above.</li> <li>Folder <strong>design-characteristics </strong>contains a csv file, which list the internal dependency relations of cyclic files and their design context.</li> </ul>
Data from: The consequences of heatwaves for animal reproduction are timing-dependent
<p>In light of the increased frequency of heatwaves due to climate change, it is crucial to better understand their potential effects on animal reproduction. Heat stress can affect all aspects of reproduction, including gamete development, fertilisation success, parental care, and offspring survival. We may therefore expect these effects to be highly sensitive to the timing of a heatwave event relative to an organism's reproductive cycle, but this remains untested. Here, we address this fundamental gap using an insect study system (<em>Nicrophorus vespilloides</em>) to test whether variation in the timing of a heatwave within a short timeframe has differential effects on reproductive success and offspring fitness. We show that heatwaves have little to no effect when they occur a few days before or after mating, but they are highly detrimental for fitness if they occur during mating. Individuals that experienced a heatwave during mating were significantly less likely to have a successful breeding bout, had a longer breeding bout, and their offspring were smaller and suffered a lower survival rate. Our study is the first to show that variation in the timing of a heatwave event over very short timescales (on the order of days) can have drastically different consequences for animal reproduction. This work provides novel insights into the vulnerability of organisms at different stages of their reproductive cycle and can improve our ability to make informed predictions about the ecological consequences of heatwaves under climate change.</p>
Temperature Dependence of the Hyperfine Magnetic Field at Fe Sites in Ba-Doped BiFeO3 Thin Films Studied by Emission Mössbauer Spectroscopy
<p>Experimental data of the following manuscript:</p> <p>Temperature Dependence of the Hyperfine Magnetic Field at Fe Sites in Ba-Doped BiFeO<sub>3</sub> Thin Films Studied by Emission Mössbauer Spectroscopy</p> <p>Heiniger-Schell, J.; Bharuth-Ram, K.; Naicker, K.; Masondo, V.; Dang, T.T.; Escobar, M.; Díaz-Guerra, C.; Marschick, G.; Masenda, H.; Gunnlaugsson, H.P.; et al. Temperature Dependence of the Hyperfine Magnetic Field at Fe Sites in Ba-Doped BiFeO3 Thin Films Studied by Emission Mössbauer Spectroscopy. Crystals 2023, 13, 724. https://doi.org/10.3390/ cryst13050724</p> <p> </p> <p>Abstract</p> <p>Emission <sup>57</sup>Fe Mössbauer spectroscopy (eMS), following the implantation of radioactive <sup>57</sup>Mn<sup>+</sup> ions, has been used to study the temperature dependence of the hyperfine magnetic field at Fe sites in Ba-doped BiFeO<sub>3</sub> (BFO) thin films. <sup>57</sup>Mn β decays (t<sub>1/2</sub> = 90 s) to the 14.4 keV Mössbauer state of <sup>57</sup>Fe, thus allowing online eMS measurements at a selection of sample temperatures during Mn implantation. The eMS measurements were performed on two thin film BFO samples, 88 nm and 300 nm thick, and doped to 15% with Ba ions. The samples were prepared by pulsed laser deposition on SrTiO<sub>3</sub> substrates. X-ray diffraction analyses of the samples showed that the films grew in a tetragonal distorted structure. The Mössbauer spectra of the two films, measured at absorber temperatures in the range 301 K–700 K, comprised a central pair of paramagnetic doublets and a magnetic sextet feature in the wings. The magnetic component was resolved into (i) a component attributed to hyperfine interactions at Fe<sup>3+</sup> ions located in octahedral sites (B<sub>hf</sub>); and (ii) to Fe<sup>3+</sup> ions in implantation induced lattice defects, which were characterized by a distribution of the magnetic field B<sub>Distr</sub>. The hyperfine magnetic field at the Fe probes in the octahedral site has a room temperature value of B<sub>hf</sub> = 44.5(9) T. At higher sample temperatures, the B<sub>hf</sub> becomes much weaker, with the Fe<sup>3+</sup> hyperfine magnetic contribution disappearing above 700 K. Simultaneous analysis of the Ba–BFO eMS spectra shows that the variation of the hyperfine field with temperature follows the Brillouin curve for <em>S</em> = 5/2.</p>
Detection of proton-dependent peptide uptake into liposomes by bacterial peptide transporter DtpB using pyranine assay
<p>For more details please see:</p> <p><strong>Plasticity of the binding pocket in peptide transporters underpins promiscuous substrate recognition</strong></p> <p>https://dx.doi.org/10.1016/j.celrep.2023.112831</p>
A sea state dependent gas transfer velocity for CO$_2$ unifying theory, model and field data
<p>Dataset for "A sea state dependent gas transfer velocity for CO2 unifying theory, model and field data"</p> <p>WaveWatch III simulated significant wave height (Hs, unit:m), volume of entrained air ('wva', unit m/s), 10-meter wind vector ( 'uwnd','vwnd', unit, m/s) for 9 datasets from 11 cruises.</p> <p>The information of dataset is shown in name of each file.</p>
SPIT - Quantification files for tissue-dependent DTUs
<p>Quantification and phenotype files for GTEx samples used in the detection of 4 tissue-dependent DTU events. These events are provided as positive controls for the evaluation of SPIT. Corresponding sashimi plots with all transcripts for the given genes are included.</p>
Context-dependent evolution of high trophic position drives functional disparity in subterranean crustaceans: data and R code
<p>The dataset contains morphological data, phylogenetic tree, and R code used in the analyses presented in the paper titled "Context-dependent evolution of high trophic position drives functional disparity in subterranean crustaceans". </p> <p>Niphargus_morpho_data.xlsx: morphological data for import in R<br> Niphargus_tree.nex: consensus phylogenetic tree for import in R<br> Rcode.Rmd: the R script in R markdown format to reproduce the analyses<br> Rcode.html: the R script in html format <br> Reproducibility_report.doc: Functional diversity protocol checklist created with stepFD (https://facuxpalacio.shinyapps.io/stepFD/)</p>
Interferon-inducible phospholipids govern IFITM3-dependent endosomal antiviral immunity
<p>Raw data from indicated Figures of our work entitled "Interferon-inducible phospholipids govern IFITM3-dependent endosomal antiviral immunity" by Unali et al., published as Open Access in EMBO J.</p> <p> </p> <p> </p>
Dataset for BtuB TonB-dependent transporters and BtuG surface lipoproteins form stable complexes for vitamin B12 uptake in gut Bacteroides.
<p>The dataset published here supports the work in the publication titled "BtuB TonB-dependent transporters and BtuG surface<br> lipoproteins form stable complexes for vitamin B12 uptake in gut Bacteroides." All the initial and final conformation files of the MD simulations are given along with the analyzed data presented in the manuscript.</p>
Orientation-dependent propulsion of active Brownian spheres: from self-advection to programmable cluster shapes
<p>Supplemental data for the following manuscript: Stephan Bröker, Jens Bickmann, Michael te Vrugt, Michael E. Cates, Raphael Wittkowski, "Orientation-dependent propulsion of active Brownian spheres: from self-advection to programmable cluster shapes".</p>
Temperature-dependent feeding behavior in the brown box crab
<p>Growing fishing pressures and ocean warming are potential concerns for populations of brown box crabs, <em>Lopholithodes</em> <em>foraminatus</em>, at the southern end of their geographic distribution. In Southern California, brown box crabs are thought to occupy a broad depth gradient (intertidal zone – 547 m), which exposes them to temperatures ranging from 8℃–24°C. This large temperature span presents challenges for these ectothermic animals because the rates of their physiological processes, and ultimately their dietary needs, behavior, and health, vary with temperature. Here we examined how temperature affects the feeding behavior of brown box crabs to better understand their ecology in warmer regions of their distribution. Adult crabs were exposed to one of three temperature treatments (8℃, 15°C, and 20℃, N=10) for 2 months. Weekly throughout the exposure period, crabs were given two similar-sized prey items of different crushing strength (clam and mussel). Claw pinch force, prey preference, time to consume prey, and number of prey consumed were recorded prior to the start of the experiment and weekly for the duration of the study, with the exception of pinch force, which was recorded bi-weekly. We hypothesized that crabs will have a stronger pinch force at warmer temperatures, prefer prey items that require less breaking force at the coldest temperature, consume prey faster at warmer temperatures, and consume more prey at warmer temperatures. Our results confirm that pinch force is consistently greater at 15°C compared to 8°C, however, crabs at 8°C consumed more clams (higher strength) while those at 15°C consumed more mussels. Crabs at 8°C also consumed prey items faster than crabs at 15°C but ate a similar number of prey. Furthermore, there was 100% mortality at 20℃ within 8 days of exposure, indicating their proximity to lethal limits within Southern California. These results show that brown box crab feeding behavior exhibits temperature thresholds, which may alter their nutritional state, community interactions, and distribution under both short-term and long-term changes in ocean temperature.</p>
Fig. 3 in Diurnal accumulation of K -dependent L-asparaginase in leaf of common bean (Phaseolus vulgaris L.)
Fig. 3. Two-dimensional gel electrophoresis and immunoblotting of asparaginase in developing leaves. Arrows indicate the polypeptide precursor and α-subunit. The experimental pI of the α subunit was measured as 4.87.
Fig. 2 in Diurnal accumulation of K -dependent L-asparaginase in leaf of common bean (Phaseolus vulgaris L.)
Fig. 2. Diurnal accumulation of asparaginase and related metabolites in developing leaves. (A) Immunoblot and corresponding SDS-PAGE. The top band corresponds to the polypeptide precursor and lower band to the α-subunit. Position of molecular wt markers is indicated on the left; (B) asparaginase activity. Average ± s.d.; n = 3. (C) Concentration of asparagine (Asn), aspartate (Asp) and NH+ in leaf tissue. Average ± s.d.; n = 3.
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.