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1,055 results for “bridges”
Myosin cross-bridge kinetics slow at longer muscle lengths during isometric contractions in intact soleus from mice
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Data for: PIEZO1-HaloTag hiPSCs: bridging molecular, cellular and tissue imaging
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Source Data for Crowdsourcing Bridge Dynamic Monitoring with Smartphone Vehicle Trips
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Data from: We get by with a little help from our friends: shared adaptive variation provides a bridge to novel ecological specialists during adaptive radiation
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Ancient horse genomes reveal the timing and extent of dispersals across the Bering Land Bridge
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Synthetic Datasets for Using synthetic datasets to bridge the gap between the promise and reality of basing health-related decisions on common single nucleotide polymorphisms
<p>Synthetic Dataset for Using synthetic datasets to bridge the gap between the promise and reality of basing health-related decisions on common single nucleotide polymorphisms, as published on F1000Research.</p>
MarTREC Data Set for Report: Large Scale Evaluation of Erosion Resistance of Biocementation against Bridge Scour and Roadway Shoulder Erosion
<p>Data set used for the report, "Large Scale Evaluation of Erosion Resistance of Biocementation against Bridge Scour and Roadway Shoulder Erosion". The purpose of the report was to develop an alternative approach for armoring the riverbed with biocementation through MICP to mitigate soil erosion. Long-term erosion exposed to outdoor environment, rainfall induced erosion, and accelerated erosion were conducted on MICP-treated samples to prove the feasibility of the MICP technique for potential applications in prevention of bridge scour and road shoulder erosion. The experimental work and discussion about the testing results indicated that exposing to outdoor environment could result in sharp decrease on UCS for MICP-treated samples. But the MICP-treated samples had better resistance to rainfall induced erosion. The bio-surface treatment gave significant help for cement-treated samples to resist accelerated erosion and water absorption, especially the multiple bio-surface treatments method, no erosion could be measured and 5% lower water absorption was achieved after the cement-treated sample was triple treated by bio-surface treatments. The pure MICP-treated samples were also good at resisting accelerated erosion and water absorption. Furthermore, fiber addition and multiple MICP treatments could improve their resistance. The maximum erosion rate of single MICP-treated samples reduced from 0.16 mm/min to 0 mm/min after triple MICP treatment cycles applied on the samples. Extra MICP treatments on soil samples improved the resistance to water absorption significantly. The triple MICP-treated samples achieved a 6% lower absorption than single-treated samples. All these results indicated that the bio-mediated particulate material based on MICP can provide an effective solution for problematic cases of sandy soil in prevention of bridge scour and road shoulder erosion.</p>
Data from: Quaternary land bridges have not been universal conduits of gene flow
<p>Quaternary climate oscillations are a well-known driver of animal diversification, but their effects are most well studied in areas where glaciations lead to habitat fragmentation. In large areas of the planet, however, glaciations have had the opposite effect, but here their impacts are much less well understood. This is especially true in Southeast Asia, where cyclical changes in land distribution have generated enormous land expansions during glacial periods. In this study, we selected a panel of five songbird species complexes covering a range of ecological specificities to investigate the effects Quaternary land bridges have had on the connectivity of Southeast Asian forest biota. Specifically, we combined morphological and bioacoustic analysis with an arsenal of population-genomic and modelling approaches applied to thousands of genome-wide DNA markers across a total of hundreds of individuals. Our analyses show that species dependent on forest understorey exhibit deep differentiation between Borneo and western Sundaland, with no evidence of gene flow during the land bridges accompanying the last 1-2 ice ages. In contrast, dispersive canopy species and habitat generalists have experienced more recent gene flow. Our results argue that there remains much cryptic species-level diversity to be discovered in Southeast Asia even in well-known animal groups such as birds, especially in non-dispersive forest understorey inhabitants. We also demonstrate that Quaternary land bridges have not been equally suitable conduits of gene flow for all species complexes, and that life history is a major factor in predicting relative population divergence time across Quaternary climate fluctuations.</p>
Possibility of bridge inspection through drive-by vehicles
<p class="midium"><span><span><span>Based on virtual simulations of vehicle-bridge interactions, the possibility of detecting stiffness reduction damages in bridges through vehicle responses has been tested in two dimensional (2D) and three dimensional (3D) settings. Short Time Fourier Transformation (STFT) has been used to process the acceleration data of vehicles. The energy band variation was found strongly related to damage parameters. More important, initial entering conditions of vehicles are critical in obtaining vehicle responses through the vehicle bridge interaction models. Through different levels of road profile roughness, the offset distance needed before executing the vehicle-bridge interaction (VBI) modeling is obtained.</span></span></span></p>
Data from: Phylotranscriptomics resolves interspecific relationships and indicates multiple historical out-of-North America dispersals through the Bering Land Bridge for the genus Picea (Pinaceae)
A robust phylogeny is prerequisite to understand the evolution and biogeography of organisms. However, ancient and recent evolutionary radiations occurred in many plant lineages, which pose great challenges for phylogenetic analysis, especially for conifers characterized by large effective population sizes and long generation times. Picea is an important component of the dark coniferous forests in the Northern Hemisphere. Previous studies improved our understanding of its evolutionary history, but its interspecific relationships and biogeographic history remain largely unresolved. In the present study, we reconstructed a well-resolved phylogeny of Picea by comparative transcriptomic analysis based on a complete species sampling. The phylogenetic analysis, together with molecular dating and ancestral area reconstruction, further supports the North American origin hypothesis for Picea, and indicates that this genus experienced multiple out-of-North America dispersals by the Bering Land Bridge. We also found that spruces in the Japanese Archipelago have multiple origins, and P. morrisonicola from the Taiwan Island has a close relationship with species from the Qinghai-Tibetan Plateau and adjacent regions. Our study provides the first complete phylogeny of Picea at the genomic level, which is important for future studies of this genus.
Bridging research integrity and global health epidemiology (BRIDGE) statement: guidelines for good epidemiological practice
<p>Research integrity and research fairness have gained considerable momentum in the past decade and have direct implications for global health epidemiology. Research integrity and research fairness principles should be equally nurtured to produce high quality impactful research – but bridging the two can lead to practical and ethical dilemmas. In order to provide practical guidance to researchers and epidemiologist, we set out to develop good epidemiological practice guidelines specifically for global health epidemiology, targeted at stakeholders involved in the commissioning, conduct, appraisal and publication of global health research.</p> <p>We developed preliminary guidelines based on targeted online searches on existing best practices for epidemiological studies and sought to align these with key elements of global health research and research fairness. We validated these guidelines through a Delphi consultation study, to reach a consensus among a wide representation of stakeholders. </p> <p>A total of 45 experts provided input on the first round of GEP e-Delphi consultation, and 40 in the second. Respondents covered a range of organisations (including for example academia, ministries, NGOs, research funders, technical agencies) involved in epidemiological studies from countries around the world. A selection of eight experts were invited for a face-to-face meeting. The final guidelines consists of a set of six standards and 42 accompanying criteria including study preparation, study protocol and ethical review, data collection, data management, analysis, reporting and dissemination.</p> <p>This database only includes anonymised responses of participants who agreed to their data being shared in this depository , i.e.19 out of the 45 (Round 1) and 40 (Round 2) participants. </p>
A digital mapping of the literature on vehicle-bridge-wind systems
<p>This dataset is the result of a systematic search and mapping of the literature relevant to the vehicle-bridge-wind system. The search phrase used to search the databases listed below can be found in tabulated form in one of the spreadsheets. The core component to this search phrase is that the title, abstract or keywords should include all three of the words vehicle, bridge and wind. Using one possible syntax for the boolean operators, the search phrase might look like:</p> <ul> <li>("numerical analysis" OR model OR modelling OR modeling OR experiment OR field OR "wind tunnel" OR parameter OR "case study" OR coupled OR interaction OR analysis OR vbi OR safety) AND (("bridge" AND "vehicle" AND "wind")) AND ("long span" OR "long-span" OR floating OR "cable stayed" OR "cable-stayed" OR suspension OR long OR "floating tunnel") NOT ("short span" OR "short-span" OR rail OR train)</li> </ul> <p>Note that the search is specific to long-span bridges and road vehicles. The phrase was used to search the following databases:</p> <ul> <li>Scopus</li> <li>Engineering Village</li> <li>Web of Science</li> <li>Science Direct</li> <li>Oria/NTNU</li> </ul> <p>Following a screening process, data of interest was extracted from the articles through structured searches and readings. A description of this process and a succinct presentation of the findings of the search and mapping will follow in the form of a published journal article.</p> <p>The "Database" sheet gives a structured list of the main contributions from all texts considered relevant for the mapping process. The citation keys used in the spreadsheet can be mapped to the referenced texts through the .bib file. Each text is pre-categorized based on readings of the abstract/conclusion into one of the following areas, describing the main contribution of the piece:</p> <ul> <li>Vehicle Dynamics</li> <li>Bridge Dynamics</li> <li>Vehicle Aerodynamics</li> <li>Bridge Aerodynamics</li> <li>Vehicle-bridge Aerodynamics</li> <li>Vehicle-bridge Interaction</li> </ul> <p>Texts are also classified by research level:</p> <ul> <li>Evaluation: development/demonstration of a novel modelling method</li> <li>Lab Validation: validation of models by experimental data or advanced numerical models in a virtual lab (e.g. computational fluid dynamics)</li> <li>Field Validation: the use of field experiments to verify, validate and/or calibrate existing models</li> </ul> <p>Each column can be filtered by entering a phrase in the appropriate cell in the table at the top of the sheet. Enabling macros will allow the sheet to update each time the content of said cell changes. The "Filtered List" is then a list of all texts that satisfy the filters.</p> <p>This is intended as a living document and any and all comments, concerns and questions are warmly welcomed.</p>
Design requirements of the app for bridging communication between a Deaf patient and healthcare personnel
<p>These design requirements were part of the findings from Co-design Activity 1. They were derived based on the ideas drawn by health professionals and Deaf participants, including suggestions regarding mobile-interface design from two renowned design guidelines of Hoober’s and Berkman’s (2011) and McVicar’s (2012). </p>
Automatic Method of Flow Direction Reasoning for Bridging Tributaries
<p>Please see the detailed description of the data in the Read me.txt file. </p>
FIGURE 10 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 10. Appendicular elements of the Alligator hailensis holotype (UF 224688). (A.) Proximal portion of right humerus in posterior view. (B.) Anterior portion of left ilium in lateral view. (C.) Right and left femora in posterodorsal view. (D.) Left tibia in posterior view. (E.) Left metatarsal I and III, and right metatarsal I, all in dorsal view. (F.) Left calcaneum and astragalus, lateral view. (G.) Unguals of the manus, lateral view. Scale in each = 2 cm.
FIGURE 8 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 8. Representative thoracic vertebra of the Alligator hailensis holotype (UF 224688) in (clockwise from top left) anterior, posterior, right lateral, and left lateral views. Scale = 2 cm.
FIGURE 12 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 12. Strict consensus of 25,106 most parsimonious cladograms of Alligatoridae with Bernissartia fagesii, Crocodylus niloticus, and Leidyosuchus canadensis, as outgroups (A. and B.). (C.) Plurality consensus (majority rule allowing less than 50 percent recovery) offers no clade support but does reflect the biostratigraphic record, illustrating the intermediate nature of Alligator hailensis in time and morphology (numbers represent percent clade recovery of most parsimonious cladograms).
FIGURE 2 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 2. Holotype of Alligator hailensis (UF 224688) skull shown in dorsal view with interpretive line drawing below. Abbreviations are angular (a), dentary (d), frontal (f), jugal (j), lacrimal (l), maxilla (m), nasal (n), parietal (p), postorbital (po), prefrontal (pf), premaxilla (pm), quadrate (q), quadratojugal (qj), squamosal (sq), and surangular (sa). Scale = 4 cm.
FIGURE 1 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 1. View of the Haile 7G quarry (with fossil excavation seen at left) and approximate location of Haile 7C and Haile 7G in Alachua County, North-central Florida (at right). Left image courtesy of S. C. Wallace.
FIGURE 7 in New early Pleistocene Alligator (Eusuchia: Crocodylia) from Florida bridges a gap in Alligator evolution
FIGURE 7. Occlusal view of left Alligator lower jaws showing the role of the splenial in lingual alveolar support. Alligator hailensis (UF 162517), top, shows extensive splenial support of the posterior toothrow, more than seven posterior alveoli (splenial outlined in white). The dentary alone provides most of the lingual toothrow in the derived condition seen in A. mississippiensis (ETMNH-Z 265), five posterior alveoli or less, bottom. Abbreviations are: dentary (d) and splenial (spl). Numbers refer to alveoli (counted from posterior to anterior). Scale = 2 cm.
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.