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2,142 results for “by contact”
FCCdb: Food Contact Chemicals database. Version 5.0
<p>The Food Contact Chemicals database (FCCdb) is a compilation of information on intentionally added food contact chemicals, extracted from publicly available sources such as legislation on food contact materials and industry inventories for different types of food contact materials. Where available, information from a few selected sources on hazardous properties and commercial use has been included as well. Further details on the information sources used are given in the READ ME worksheet of the excel file. The FCCdb intends to provide an overview of the diversity of food contact chemicals and their hazardous properties. Further details on the compilation and analysis of this dataseta can be found in the manuscript "Overview of intentionally used food contact chemicals and their hazards," by Ksenia J. Groh, Birgit Geueke, Olwenn Martin, Maricel Maffini, and Jane Muncke, published in <em>Environmental International </em>on November 30, 2020 (DOI 10.1016/j.envint.2020.106225).</p>
Assessing changes in genomic divergence following a century of human mediated secondary contact among wild and captive-bred ducks
<p>Along with manipulating habitat, the direct release of domesticated individuals into the wild is a practice used world-wide to augment wildlife populations. We test between possible outcomes of human-mediated secondary contact using genomic techniques at both historical and contemporary time scales for two iconic duck species. First, we sequence several thousand ddRAD-seq loci for contemporary mallards (<i>Anas platyrhynchos</i>) throughout North America, and two domestic mallard-types (i.e., known game-farm mallards and feral Khaki Campbell's). We show that North American mallards may well be becoming a hybrid swarm due to interbreeding with domesticated game-farm mallards released for hunting. Next, to attain a historical perspective, we applied a bait-capture array targeting thousands of loci in century-old (1842-1915) and contemporary (2009-2010) mallard and American black duck (<i>A. rubripes</i>) specimens. We conclude that American black ducks and mallards have always been closely related, with a divergence time of ~600,000 years before present, and likely evolved through prolonged isolation followed by limited bouts of gene flow (i.e., secondary contact). They continue to maintain genetic separation, a finding that overturns decades of prior research and speculation suggesting the genetic extinction of the American black duck due to contemporary interbreeding with mallards. Thus, despite having high rates of hybridization, actual gene flow is limited between mallards and American black ducks. Conversely, our historical and contemporary data confirm that the intensive stocking of game-farm mallards during the last ~100 years has fundamentally changed the genetic integrity of North America's wild mallard population, especially in the east. It thus becomes of great interest to ask whether the iconic North American mallard is declining in the wild due to introgression of maladaptive traits from domesticated forms. Moreover, we hypothesize that differential gene flow from domestic game-farm mallards into the wild mallard population may explain the overall temporal increase in differentiation between wild black ducks and mallards, as well as the uncoupling of genetic diversity and effective population size estimates across time in our results. Finally, our findings highlight how genomic methods can recover complex population histories by capturing DNA preserved in traditional museum specimens.</p>
Supplementary Material: HIV-1-Induced Small T Cell Syncytia Can Transfer Virus Particles to Target Cells through Transient Contacts
<p>Videos supplementary to <em>Viruses</em> <strong>2015</strong>, <em>7</em>(12), 6590-6603; doi:10.3390/v7122959</p> <p><strong>Captions:</strong></p> <p><strong>Movie S1.</strong> <strong>HIV-1-infected cells in the lymph node of humanized mice.</strong></p> <p>Humanized BLT mice were injected in the footpad with HIV-nGFP, where GFP is highly enriched in cellular nuclei, and the draining popliteal lymph node prepared for MP-IVM at day 2. Representative infected cells (GFP+; green) that display one, two or three discernible nuclei are shown (<strong>top</strong>). In the bottom panels, green fluorescence signals above 80% of the intensity maximum were used to define cell nuclei, which are shown in white. The syncytium with two discernible nuclei remains elongated throughout the recording, while the syncytium with three discernible nuclei switches between coordinated and uncoordinated motility. Each individual frame is a maximum intensity projection of 11 <em>z</em>-stacks spaced 4 μm apart (for a total volume of 40 μm). Time is shown in minutes and seconds. Scale bar = 20 μm. See also Figure 1A.</p> <p><strong>Movie S2.</strong> <strong>Syncytia in the lymph node contact uninfected T cells without undergoing cell-cell fusion</strong>.</p> <p><em>In vitro</em>-generated central memory CD4+ T cells, either infected with HIV-GFP (GFP+; green) or uninfected (labeled with CellTracker Orange; red), were adoptively transferred by footpad injection into BLT mice pretreated with antiretroviral drugs (100 mg/kg FTC, 150 mg/kg TDF). After 12 h, the draining popliteal lymph node was prepared for MP-IVM. Two representative movies of T cell migration prior to (yellow circle) and during<br /> (blue circle) transient interactions with syncytia are shown, demonstrating cellular interactions without fusion. Each individual frame is a maximum intensity projection of 11 <em>z</em>-stacks spaced 4 μm apart (for a total volume of 40 μm). Time is shown in minutes and seconds. Scale bar = 40 μm. See also Figure 1F,G.</p> <p><strong>Movie S3.</strong> <strong>CD4</strong><strong>+ T cells in 3D culture form small syncytia with elongated morphology</strong>.</p> <p>Primary human CD4+ T cells isolated from a healthy donor were infected with VSV-G-pseudotyped NL4-3<sup>Gag-iGFP</sup> virus. The next day, cells were embedded in a 3D collagen gel as described in the Experimental Section, and 12 h later imaged live at 37 °C using a 20× objective on a DeltaVision widefield microscope. Six 3 µm-spaced Z-slices were taken every 20 s, and were subsequently projected into one image. The syncytium seen here in green has two nuclei located at opposite ends, and a central bulged region with high amounts of viral Gag. The diffuse fluorescence is a result of this syncytium being located at a higher part of the gel, where the limitations of widefield imaging become more prominent. See also Figure 2A.</p> <p><strong>Movie S4.</strong> <strong>Small CEM-SS syncytia in 3D culture can dynamically change their morphology</strong>.</p> <p>CEM-SS cells were infected with VSV-G-pseudotyped NL4-3<sup>Gag-iGFP</sup> virus. The next day, cells were embedded in a 3D Matrigel gel as described in the Experimental Section, and 24 h later imaged live at 37 °C using a<br /> 40× objective on a DeltaVision widefield microscope. Seven 2 μm-spaced Z-slices were taken every 5 min, and were subsequently projected into one image. A syncytium with two nuclei (dark areas within the cell in the GFP channel) begins with two lobes, which merge into a coordinated round morphology as the cell begins to migrate through the gel and leaves the plane of focus. See also Figure 2B.</p> <p><strong>Movie S5.</strong> <strong>CD4</strong><strong>+ T cells in 3D culture exhibit </strong><strong><em>in vivo</em>-like migratory behavior</strong>.</p> <p>Primary human CD4<sup>+</sup> T cells were infected, embedded in collagen, and imaged as in Movie S3 (though with a<br /> 10 s time lapse). The uninucleated infected cell migrating across the field moves by 108 μm over 560 s, for a mean velocity of 11.58 μm/min. Such fast directed amoeboid motility is not typically observed in classical 2D culture and requires the presence of a 3D ECM. See also Figure 2C.</p> <p><strong>Movie S6.</strong> <strong>Uninucleated infected cells and syncytia can transfer virus to target cells without fusion.</strong></p> <p>CEM-SS cells were infected, embedded in Matrigel, and imaged as in Movie S4. Virus transfer from a uninucleated infected cell (top) and a syncytium (bottom left) to a number of target cells (denoted by T) can be seen here.<br /> The uninucleated infected cell transfers virus to target cells T1–T5, and the syncytium transfers virus to target cells T6–T7. Images shown represent brightfield in gray (bottom right), or Gag-iGFP in green, shown either with normal scaling (bottom left, and merged with brightfield at top right), or with a 0.6 gamma correction applied and enhanced scaling to better show appearance of Gag-iGFP puncta on target cells (top left). Scale bar = 30 μm. A yellow arrow indicates the moment where the uninucleated infected cell begins transferring virus to target cells T1–T3, and all of the other transfer events in this field are happening at roughly the same time. At this time, Gag-iGFP puncta appear to distribute between cells T1–T3 in a progressive fashion, beginning from the point of contact with the infected cell (see also Figure 3A, middle panel). Cells T4 and T5 also receive virus particles from this infected cell, and T4 can be seen migrating away at the end. Also note a trail of released virus left behind by the uninucleated infected cell as it migrates from left to right from 08:00:00 to 09:10:00 (see also Movies S7 and S9, Figure 4 for similar events in syncytia). The syncytium’s targets, T6 and T7, are already in intimate contact with it at the start of the movie, and are obscured by lobes of the syncytium. At the 10:45:00 mark, cell T6 breaks free from the syncytium, now harboring a large amount of virus particles on its surface, as the syncytium slowly migrates away, and cell T7 also appears to harbor virus particles on its surface by the final time point.</p> <p><strong>Movie S7.</strong> <strong>A virus transfer event between a syncytium and two uninfected target cells.</strong></p> <p>CEM-SS cells were infected, embedded in Matrigel, and imaged as in Movies S4 and S6. The syncytium shown here initially has two nuclei, but soon fuses with an uninfected cell and now has three clearly visible nuclei. It remains stationary for several hours, before beginning to migrate towards a pair of uninfected target cells (top). Very soon after contact, virus particles can be seen covering the surface of both cells, one of which eventually migrates away. See also Figure 3A (left panel). Note also another instance of a dense accumulation of cell-free virus particles in what appears to be a pocket within the hydrogel that the syncytium moves one of its lobes out of, revealing the deposited free virus, before it moves back into the pocket. See also Figure 4A.</p> <p><strong>Movie S8.</strong> <strong>Cell-to-cell transfer of virus can take place while cells are migrating.</strong></p> <p>CEM-SS cells were infected, later mixed with CMAC-labeled uninfected CEM-SS cells (shown in blue), embedded in collagen, and imaged as above. A syncytium with two nuclei (one of which bears CMAC signal, indicating that it formed recently and not before the infected culture was mixed with the labeled uninfected cells) migrates across the field. Its trailing edge contacts an uninfected CMAC-labeled cell, which is then dragged along with it, and finally dropped in the corner of the field. The target cell now bears virus particles on its surface, and is no longer in contact with the syncytium, which has moved into a different focal plane and stopped migrating (not shown). The image was refocused at the 10:30:00 mark to better show the target cell and the virus particles on its surface. Note that this movie also shows an instance of newly synthesized Gag-iGFP appearing in a previously uninfected cell (not the target cell contacted by the syncytium). This non-CMAC labeled uninfected cell appears in the bottom left of the field at 07:20:00 and exhibits steadily increasing diffuse intracellular signal, as documented in Figure 3A (right) and Figure 3B,C (green traces).</p> <p><strong>Movie S9.</strong> <strong>Migrating infected cells can deposit a trail of released virus particles</strong>.</p> <p>CEM-SS cells were infected, embedded in Matrigel, and imaged as in Movies S4, S6, and S7. A syncytium with 3 nuclei switches into a coordinated morphology and begins migrating across the field. Released virus particles can be seen in its wake (also shown enlarged and with increased brightness as an inset). Shortly after the end of the movie, the cell-free virus accumulation appeared to dissipate (not shown), but it could not be determined whether this was because of photobleaching or if they had in fact diffused away. See also Figure 4B.</p>
Synthesis of Ti3AuC2, Ti3Au2C2 and Ti3IrC2 by noble-metal substitution reaction in Ti3SiC2 for high-temperature-stable ohmic contacts to SiC
<p>Repository data for paper "Synthesis of Ti<sub>3</sub>AuC<sub>2</sub>, Ti<sub>3</sub>Au<sub>2</sub>C<sub>2</sub> and Ti<sub>3</sub>IrC<sub>2</sub> by noble-metal substitution reaction in Ti<sub>3</sub>SiC<sub>2</sub> for high-temperature-stable ohmic contacts to SiC".</p> <p>Detailed information:</p> <p>Data from calculations include relaxed structures, electronic band-structure (selected compounds), electronic density of states and crystal overlap Hamilton population (selected compounds). In addition, spin-orbit coupling used for selected compounds. Data fro each compound are found in separate zip files. Scripts used to extract data are found in tools.zip.</p> <p>EDX-mapping:<br> Fig1d.xlsx</p> <p>XRD data:<br> Fig1h.xlsx, Fig2g.xlsx, FigS3.xlsx, FigS7a.xlsx</p> <p>I/V-measurements:<br> Fig4c.xlsx, FigS7b.xlsx, FigS13.xlsx</p> <p>Electrical resistance:<br> FigS5.xlsx, FigS14.xlsx</p>
Social network structure is robust to parasite induced changes in contact behavior of domestic sheep
<p>Understanding how parasitism may affect social behavior and social networks is key to understanding the impact of infection on a population. Infection can disrupt social networks by altering the behavior of both infected individuals (e.g. by reducing activity) and the behavior of uninfected individuals (e.g. avoiding sick individuals), both of which can <span>have an impact on social group dynamics and parasite transmission</span>. Here we test experimentally how parasitism affects social contact behavior and social network structure using a common parasite infection of sheep. Three treatment groups, each with 4 replicate social groups were established (i) Parasitised; all lambs were infected with a parasitic nematode, (ii) Non-parasitised; all lambs remained uninfected (iii) Mixed; part of each group were infected, and part of the group remained uninfected. Contact behaviours of each individual were recorded using proximity loggers during four phases of infection (pre-parasite, pre-patent, patent-parasite, post-parasite). We found infected individuals in the parasitised and mixed groups reduced contact frequency following infection. Infected individuals in mixed groups however reduced contact frequency to a greater extent than infected animals in the fully parasitised group. D<span>espite the reduction in contacts between infected animals in the mixed group, the social network structure was unaffected, as non-infected individuals maintained pre-parasite levels of social interactions with their infected conspecifics. </span><span>These results demonstrate </span>how infection can impact the social behavior of all animals within a group, and how the expression of behavioral change may depend on the parasitic status of all group members and the response of uninfected conspecifics.</p>
Predicted genome-wide chromatin contact differences among 71 bonobos and chimpanzees
<p>This file contains predicted chromatin contact differences in HFF cells using Akita among pairs of 71 bonobos and chimpanzees at 4,420 ~ 1 Mb genomic windows in the panTro6 genome. Each entry corresponds to a pairwise comparison at a given window. Data per comparison includes the individual IDs in the pairwise comparison, lineages represented, chromosome, position, window ID, mean squared error, Spearman correlation, divergence (1 - Spearman correlation), and the number of nucleotide differences for the pair at the given window.</p>
Data for: Tracking hybrid viability across life-stages in a natural avian contact zone
<p><span>Hybrid inviability is an important post-zygotic reproductive barrier between species, but emerging signs of reduced viability can be difficult to study across the lifespan of natural hybrids.</span><span> We use a combination of long-term monitoring, extra-pair paternity and mitochondrial DNA identification in a natural hybrid zone of <em>Ficedula </em>flycatchers to detect emerging signs of intrinsic hybrid inviability across their entire lifespan. We evaluate possible evidence of Darwin's corollary to Haldane's rule, predicting asymmetries in inviability between hybrids resulting from reciprocal crosses, due to incompatible genetic factors with sex-specific inheritance patterns. We found higher hatching failure among mixed-species pairs, possibly indicating early developmental impairments associated with specific parental genetic combinations. Adult hybrids had a higher basal mortality rate than both parental species, and different age-specific mortality trajectories. There were signs of differences in age-independent mortality rates between the reciprocal hybrid crosses: hybrids with a pied flycatcher mother experienced slightly increased mortality later in life. Using an exceptional dataset with many natural hybrids tracked across life stages, we provide evidence for several emerging signs of reduced hybrid viability. Incompatibilities between alleles located on autosomes and uniparentally inherited factors such Z-linked and/or mitochondrial genes are strong candidates underlying intrinsic hybrid dysfunction in this system.</span></p>
Data supporting 'Small molecule and cell contact-inducible systems for controlling expression and differentiation in stem cells'
<p>Data supporting Soliman et al. 2024. Manuscript describes data collection practices and experimental design.</p>
Data from: Inference of selective force on house mice genomes during secondary contact in East Asia
<p>The house mouse (<em>Mus musculus</em>), commensal to humans, has spread globally via human activities, leading to secondary contact between genetically divergent subspecies. This pattern of genetic admixture can provide insights into the selective forces at play in this well-studied model organism. Our analysis of 163 house mouse genomes, mainly from East Asia, revealed substantial admixture between the subspecies<em> castaneus</em> and <em>musculus</em>, particularly in Japan and southern China. We revealed, despite the admixture, that all Y chromosomes in the East Asian samples belonged to the <em>musculus</em>-type haplogroup, potentially explained by genomic conflict under sex ratio distortion due to varying copy numbers of ampliconic genes on sex chromosomes. We also investigated the influence of natural selection on the post-hybridization of the subspecies <em>castaneus</em> and <em>musculus</em> in Japan. Even though the genetic background of most Japanese samples closely resembles the subspecies<em> musculus</em>, certain genomic regions overrepresented the <em>castaneus</em>-like genetic components, particularly in immune-related genes. Furthermore, a large genomic block containing a vomeronasal/olfactory receptor gene cluster predominantly harbored <em>castaneus</em>-type haplotypes in the Japanese samples, highlighting the possible role of olfaction-based recognition in shaping hybrid genomes.</p>
Data from: Genomic integrity of Phyciodes butterfly species in a region of contact (Lepidoptera: Nymphalidae)
<p>Crescent butterflies of the <em>Phyciodes tharos </em>group have a long-standing reputation for taxonomic difficulty.<em> </em>We assessed species boundaries in the <em>P. tharos </em>group using genome-wide SNP data, focusing on sampling in western Canada where four species (<em>P. tharos</em>, <em>P. cocyta</em>, <em>P. pulchella,</em> and <em>P. batesii</em>) have classically been recognized. Phylogenetic and cluster-based analyses confirm that there are indeed four species based on the maintenance of genomic integrity in the presence of occasional hybridization and low levels of gene flow. Mitochondrial COI does not consistently distinguish species, with haplotypes extensively shared between species. Here, we provide data matrices and tree files from the phylogenetic and cluster-based analyses.</p>
COVID-19 contact rates between mobile devices in Connecticut
<p>Close contact between people is the primary route for transmission of SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19). We sought to quantify interpersonal contact at the population-level by using mobile device geolocation data. We computed the frequency of contact (within six feet) between people in Connecticut during February 2020 - January 2021 and aggregated counts of contact events by area of residence. When incorporated into a SEIR-type model of COVID-19 transmission, the contact rate accurately predicted COVID-19 cases in Connecticut towns. Contact in Connecticut explains the large initial wave of infections during March–April, the drop in cases during June–August, local outbreaks during August–September, broad statewide resurgence during September–December, and decline in January 2021. The transmission model exhibits a better fit to COVID-19 transmission dynamics using the contact rate than other mobility metrics. Contact rate data can help guide social distancing and testing resource allocation.</p>
Dogs' looking times and pupil dilation response reveal expectations about contact causality
<p>Contact causality is one of the fundamental principles allowing us to make sense of our physical environment. From an early age, humans perceive spatiotemporally contiguous launching events as causal. Surprisingly little is known about causal perception in nonhuman animals, particularly outside the primate order. Violation-of-expectation paradigms in combination with eye-tracking and pupillometry have been used to study physical expectations in human infants. In the current study, we establish this approach for dogs (Canis familiaris). We presented dogs with realistic 3D animations of launching events with contact (regular launching event) or without contact between the involved objects. In both conditions, the objects moved with the same timing and kinematic properties. The dogs tracked the object movements closely throughout the study but their pupils were larger in the No-contact condition and they looked longer at the object initiating the launch after the No-contact event compared to the Contact event. We conclude that dogs have implicit expectations about contact causality.</p>
Data repository for "Lockdown impact on age-specific contact patterns and behaviours, France, April 2020"
<p>Aggregated contact matrices associated with the publication "Lockdown impact on age-specific contact patterns and behaviours, France, April 2020" . </p> <p> </p>
Fig. 1 in Morphological Patterns Of A Nightingale Population In A Contact Zone Of Luscinia Megarhynchos And L. Luscinia
Fig. 1. Locationofthestudyareasbasedonthestudiedpopulations (1: Bódva, 2: Tisza-
Digital Contact Tracing: Overview of technological solutions for the fight against pandemics
<p>In late 2019, Covid-19 emerged and was soon declared a pandemic causing until now a massive health disruption and a huge impact on the global economy. Several governments around the world are still forced to take containment measures to curb the spread of the virus including partial or full lockdowns. At the same time, they rely heavily on human resources to perform manual Contact Tracing (CT) for alerting known contacts of the confirmed cases and breaking the infection chains early enough. However, CT does not scale well when the cases increase exponentially, due to the limited capacity of national public health authorities, and cannot identify possible <em>hidden</em> infections due to random encounters with strangers in crowded spaces such as restaurants, bars, theaters, public transportation, etc. To this end, Digital Contact Tracing (DCT) is becoming increasingly popular to enhance and empower CT, enabling automatic and faster identification and notification of exposed users. This presentation will first overview the different generations of DCT solutions from the privacy-invasive use of subscriber location data provided by cellular operators, to location monitoring mobile apps on GPS-equipped smartphones, to privacy-preserving mobile apps based on <em>proximity</em> sensing through Bluetooth. It will discuss the findings of recent studies with regards to the effectiveness of DCT and debate whether it has been – or has the potential to become – a game changer. Finally, it will outline the latest developments and trends in this active research field that are of interest to the IPIN community including <em>presence</em> tracing that aims to notify anonymously those users that have been in the same place (especially indoors) with an infected user, without necessarily satisfying the proximity constraint.</p>
Tomography data for interparticle contact detection analysis in spheroidal granular packings
<p>This collection contains a series of synchrotron XCT scans on a hexagonal close-packed arrangement of soda-glass pellets. The field of view (FOV) diameter is 68.9 mm in diameter, approximately, and the nominal individual pellet diameter is 10 mm. The detector pixel size is 21 microns for all scans. The pellets were arranged in three horizontal lattices (layers). The middle and top lattices were separated by a layer of polyethylene film (cling film), while the bottom and middle layer were fully-contacting. Each file corresponds to a scan of either the bottom contacting or top non-contacting lattice pair. Thus, each filename includes a 'top' and 'bot' identifier. </p> <p>Acquisition parameters (number of projections, exposure time per projection, rotation range and sample position) were varied to achieve different image qualities and are included in 'README.txt'. All but scan A5 were local scans; scan A5 is a full-field scan acquired using the 'half-acquisition' method. </p> <p>Tomographic reconstruction was carried out using filtered back-projection in Savu. After reconstruction, a 3D median filter (kernel size = 2) and an anisotropic diffusion filter (diffusion threshold = 100; iterations = 2) were used to reduce noise.</p> <p>Data was acquired using Beamline I12-JEEP at Diamond Light Source (proposal NT26307-1).</p> <p>Please read README.txt</p> <p>Copyright 2021 Diamond Light Source Ltd. Licensed under the Apache License, Version 2.0.</p>
Chemical analysis of Food Contact Materials
<p>Chemical analysis of food contact materials fromUK, EU and China</p>
NIAS data Food Contact Materials
<p>NIAS data for food contact materials</p>
Contact angle measurements of droplets on the mandibles of antlions
<p class="MsoNormal">Antlion larvae are fluid-feeding ambush predators that feed on arthropods trapped in their funnel-shaped pits built in sandy habitats; however, details are lacking about their feeding mechanism. Here we tested the hypothesis that the antlion, <em>Myrmeleon crudelis</em>, has adaptations that facilitate fluid feeding in sandy habitats. We measured contact angles of water droplets and used the capillary-rise technique to assess mouthpart wettability. A structural organization was discovered that provides a hydrophobic-hydrophilic wetting dichotomy that would simultaneously support self-cleaning and fluid uptake and is enabled by antiparallel movements of the maxillae. The mouthparts also are augmented by their material properties, including maxillae and mandible tips that are heavily sclerotized for piercing prey and mandibular teeth with resilin that would assist in preventing tooth breakage. Our findings provide insight on how antlion larvae have overcome the challenges of fluid feeding in sandy habitats, which likely contributed to their success and widespread distribution.</p>
Measuring Electro-Adhesion Pressure Before and After Contact
<p>Dataset supporting article on Measuring Electro-Adhesion Pressure Before and After Contact. The main file "data" contains a README file explaining the structure of the files, data and labels.</p>
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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.