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5,794 results for “exposures”
Design and Development of a Smartphone-Based Geolocalized Exposure Therapy Software for Anxiety Disorders: SyMptOMS-ET -- Reproducibility Package
<p>R Notebook and datasets for the submitted paper "<em>Towards a self-applied, mobile-based geolocated exposure therapy software for anxiety disorders: SyMptOMS-ET app</em>"</p> <blockquote> <p>Alberto González-Pérez, Laura Diaz-Sanahuja, Miguel Matey-Sanz, Jorge Osma, Carlos Granell, Juana Bretón-López, Sven Casteleyn. Towards a self-applied, mobile-based geolocated exposure therapy software for anxiety disorders: SyMptOMS-ET app. <a href="https://journals.sagepub.com/home/dhj">Digital Health Journal</a> [Submitted]</p> </blockquote> <p>Experiments were conducted using the v1.2.0 version of the SyMptOMS-ET open-source app, which can be found <a href="https://github.com/GeoTecINIT/symptoms-mobile-app/releases/tag/v1.2.0">here</a>.</p>
Text-fig. 1. The Catefica exposure along the road between Catefica and Mugideira photographed in 1989 when the mesofossil flora was discovered. The exposed strata are mainly cross-bedded light colored sands, darker horizons of clay and dark lenses with mesofossils. The most productive sample, Catefica sample 49, was collected in the basal part of the exposed sequence (arrow head). One of the authors (PRC) exploring the middle part of the section. Photo K. R. Pedersen. in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms
Text-fig. 1. The Catefica exposure along the road between Catefica and Mugideira photographed in 1989 when the mesofossil flora was discovered. The exposed strata are mainly cross-bedded light colored sands, darker horizons of clay and dark lenses with mesofossils. The most productive sample, Catefica sample 49, was collected in the basal part of the exposed sequence (arrow head). One of the authors (PRC) exploring the middle part of the section. Photo K. R. Pedersen.
Elevated Static Exposure Experiment Images
<p>Cross-sections of specimens exposed to various liquid metal droplets at 400°C for 3 days. File names indicate the liquid metal used first, followed by the metal or alloy tested. File names that include 'saturated' used liquid bismuth that had been pre-saturated with copper to the solubility limit at the test temperature. Scale bars are provided on each image. </p>
Global transportation infrastructure exposure to the change of precipitation in a warmer world
<p>This repository provides the base data to perform a global transport asset exposure analysis for extreme precipitation under climate change.In this study, we comprehensively analyze the exposure of road and railway infrastructure assets to changes in precipitation return periods globally.</p> <p>For more details, please see:</p> <p>Liu, K., Wang, Q., Wang, M. <em>et al.</em> Global transportation infrastructure exposure to the change of precipitation in a warmer world. <em>Nat Commun</em> <strong>14</strong>, 2541 (2023). https://doi.org/10.1038/s41467-023-38203-3</p>
Temporal and spatial heat exposure in Colombo - dataset
<p>The dataset consists of two shapefiles that provide information on outdoor heat stress and anthropogenic heat flux in Colombo, Sri Lanka in 500 m resolution.</p> <p>1. "heat_stress_indicator.shp" contains the outdoor heat stress indicators, including heat index (HI), humidex (HD), and discomfort index (DI). These indicators were calculated using the modelled variables of urban land surface model SUEWS, and the values represent the averages at 7:00, 14:00, 19:00, and 23:00 during a heatwave (23-28, 2020) in Colombo, Sri Lanka. The results are for each 500 m grid across Colombo.</p> <p>2. "QF.shp" contains the calculated anthropogenic heat flux for each 500 m grid in Colombo, Sri Lanka. Published as: Blunn, L., Xie, X., Grimmond, S., Luo, Z., Sun, T., Perera, N., Ratnayake, R. and Emmanuel, R., 2024. Spatial and temporal variation of anthropogenic heat emissions in Colombo, Sri Lanka. Urban Climate, 54, p.101828. <a title="Persistent link using digital object identifier" href="https://doi.org/10.1016/j.uclim.2024.101828" target="_blank" rel="noreferrer noopener"><span><span>https://doi.org/10.1016/j.uclim.2024.101828</span></span></a></p> <p> </p>
Quantifying flood exposure for Pakistan's 2022 floods from remotely sensed data
<p>Workflow for a rapid assessment of flood depth from remotely sensed data for Pakistan's 2022 floods. This workflow is designed to inform strategic and trans-sectoral reconstruction and adaptation to flood hazards. </p>
Data for: Chronic exposure to odors at naturally occurring concentrations triggers limited plasticity in early stages of Drosophila olfactory processing
<p>In insects and mammals, olfactory experience in early life alters olfactory behavior and function in later life. In the vinegar fly <em>Drosophila</em>, flies chronically exposed to a high concentration of a monomolecular odor exhibit reduced behavioral aversion to the familiar odor when it is re-encountered. This change in olfactory behavior has been attributed to selective decreases in the sensitivity of second-order olfactory projection neurons (PNs) in the antennal lobe that respond to the overrepresented odor. However, since odorant compounds do not occur at similarly high concentrations in natural sources, the role of odor experience-dependent plasticity in natural environments is unclear. Here, we investigated olfactory plasticity in the antennal lobe of flies chronically exposed to odors at concentrations that are typically encountered in natural odor sources. These stimuli were chosen to each strongly and selectively excite a single class of primary olfactory receptor neuron (ORN), thus facilitating a rigorous assessment of the selectivity of olfactory plasticity for PNs directly excited by overrepresented stimuli. Unexpectedly, we found that chronic exposure to three such odors did not result in decreased PN sensitivity but rather mildly increased responses to weak stimuli in most PN types. Odor-evoked PN activity in response to stronger stimuli was mostly unaffected by odor experience. When present, plasticity was observed broadly in multiple PN types and thus was not selective for PNs receiving direct input from the chronically active ORNs. We further investigated the DL5 olfactory coding channel and found that chronic odor-mediated excitation of its input ORNs did not affect PN intrinsic properties, local inhibitory innervation, ORN responses, or ORN-PN synaptic strength; however, broad-acting lateral excitation evoked by some odors was increased. These results show that PN odor coding is only mildly affected by strong persistent activation of a single olfactory input, highlighting the stability of early stages of insect olfactory processing to significant perturbations in the sensory environment.</p>
Data for: Combined threats of climate change and contaminant exposure through the lens of bioenergetics
<p>This dataset contains a detailed description of studies identified by a review examining interactive effects of climate change-sensitive environmental variables and chemical contaminant exposure.</p>
Dataset for "Exposure and environmental engagement: A pilot integrating wearable sensors, air quality and citizen science"
<p>The dataset contains anonymised readings of 7 citizens taking air quality measurements using PlumeLabs Flow 2 monitor. Data is for Falmouth/Penryn, and Bristol and it was collected between January 26, 2022 and March 9, 2022.</p> <p>CSV file:</p> <ul> <li>latitude: unit degrees, positive values indicate North hemisphere.</li> <li>longitude, unit degrees, positive values indicate East.</li> <li>AQI: PlumeLabs' Air Quality Index.</li> <li>site: A refers to Falmouth/Penryn(UK), B refers to Bristol (UK).</li> <li>count: auxiliary variable that indicates that the record was comprised of a single reading.</li> </ul> <p>Jupyter notebook: The air quality analysis was conducted with Python 3.9.16 alongside numpy 1.24.3, pandas 2.0.2, matplotlib 3.7.1, and cartopy 0.21.1 (background tiles by OpenStreetMaps).</p>
Data for: Consequences of microsporidian prior exposure for virus infection outcomes and bumble bee host health
<p>Host-parasite interactions do not occur in a vacuum but in connected multi-parasite networks. Resulting co-exposures and coinfections during an individual host's lifetime can affect host health and infectious disease ecology, including disease outbreaks. However, many host-parasite studies examine pairwise interactions, meaning we still lack a general understanding of the influence of co-exposures and coinfections. Using the bumble bee <em>Bombus</em> <em>impatiens</em>, we study the effects of larval exposure to a microsporidian, <em>Nosema</em> <em>bombi</em>, implicated in bumble bee declines, and adult exposure to Israeli Acute Paralysis Virus (IAPV), an emerging infectious disease from honey bee parasite spillover. We hypothesize that infection outcomes will be modified by co-exposure or coinfection depending on relevant temporal interactions, due to changes in host immune allocation or condition. <em>Nosema</em> <em>bombi</em> is a potentially severe, larval-infecting parasite, and we predict that prior exposure will result in decreased host resistance to adult IAPV infection. We predict a double exposure will also reduce host tolerance, as measured by host survival. Although our larval <em>Nosema</em> exposure mostly did not result in viable infections, it reduced resistance to adult IAPV infection. Exposure to <em>Nosema</em> also negatively affected survival, potentially due to a cost of immunity in resisting the exposure. There was also a significant negative effect of IAPV exposure on survivorship, but in contrast to resistance, prior <em>Nosema</em> exposure did not alter this survival outcome. These results again demonstrate that infection outcomes within multi-parasite host networks can be non-independent, even when exposure to one parasite does not result in a substantial infection. </p>
Data and R scrips for "Exposure to closed-loop scrubber washwater alters biodiversity, reproduction, and grazing of marine zooplankton"
<p>Research data and scripts associated with the article "Exposure to closed-loop scrubber washwater alters biodiversity, reproduction, and grazing of marine zooplankton" by Jönander et al.</p>
Figure 3 in The study of exposure times and dose-escalation of tick saliva on mouse embryonic stem cell proliferation
Figure 3. Effect of D. marginatus SGE (0-160 µg/ml) on mouse embryonic stem cell proliferation and viability. Values represent relative fold change of cell viability normalized to untreated negative control. The Geisser–Greenhouse correction and Dunnett´s test on multiple comparison were used. All experiments have the P value <0.05, on three different time laps. The results are mean ± standard deviation (SD) from a representative experiment carried out in triplicate and were seeded in equal amount in 3 different 96-well cultured plates.
Figure 2 in The study of exposure times and dose-escalation of tick saliva on mouse embryonic stem cell proliferation
Figure 2. Effect of R. bursa SGE (0-160 µg/ml) on mouse embryonic stem cell proliferation and viability. Values represent relative fold change of cell viability normalized to untreated negative control. The Geisser–Greenhouse correction and Dunnett´s test on multiple comparison were used. The results are mean ± standard deviation (SD) from a representative experiment carried out in triplicate and were seeded in equal amount in 3 different 96-well cultured plates.
All data for the preprint Population genetics of Glossina palpalis gambiensis in the sleeping sickness focus of Boffa (Guinea) before and after eight years of vector control: no effect of control despite a significant decrease of human exposure to the disease
<p>Data set for the paper titled "Population genetics of <em>Glossina palpalis gambiensis</em> in the sleeping sickness focus of Boffa (Guinea) before and after eight years of vector control: no effect of control despite a significant decrease of human exposure to the disease"</p>
Data from: Maternal provisioning interacts with incubation temperature to affect hatchling mercury exposure in an oviparous reptile
<p>The thermal environment experienced by developing embryos can influence the utilization of maternally-provisioned resources. Despite being particularly consequential for oviparous ectotherms, these dynamics are largely unexplored within ecotoxicological frameworks. Here, we test if incubation temperature interacts with maternally-transferred mercury to affect subsequent body burdens and tissue distributions of mercury in hatchling American alligators (<em>Alligator mississippiensis</em>). Nine clutches of alligator eggs were collected from a mercury-contaminated reservoir and incubated at either female- or male-promoting temperatures. Total mercury (THg) concentration was measured in egg yolk collected during incubation and in a suite of tissues collected from hatchlings. THg concentrations in residual yolk and blood were higher in hatchlings incubated at cooler, female-promoting temperatures compared to the warmer, male-promoting temperatures. THg concentrations in most tissues were positively correlated with THg concentrations in blood and dermis, and egg yolk THg concentration was the best predictor of THg concentration in many resultant tissues. Our results highlight a hereto unknown role of the developmental environment in mediating tissue specific uptake of contaminants in an oviparous reptile.</p>
Data from Widespread exposure to altered fire regimes under 2°C warming is projected to transform conifer forests of the Western United States
<p>This archive includes a minimal dataset needed to reproduce the analysis as well as a table (CSV) and spatial polygons (ESRI shapefile) of the resulting output from the publication:</p> <p>Hoecker, T.J., S. A. Parks, M. Krosby & S. Z. Dobrowski. 2023. Widespread exposure to altered fire regimes under 2°C warming is projected to transform conifer forests of the Western United States. <em>Communications Earth and Environment</em>.</p> <p>Publication abstract:</p> <p>Changes in wildfire frequency and severity are altering conifer forests and pose threats to biodiversity and natural climate solutions. Where and when feedbacks between vegetation and fire could mediate forest transformation are unresolved. Here, for the western U.S., we used climate analogs to measure exposure to fire-regime change; quantified the direction and spatial distribution of changes in burn severity; and intersected exposure with fire-resistance trait data. We measured exposure as multivariate dissimilarities between contemporary distributions of fire frequency, burn severity, and vegetation productivity and distributions supported by a 2 °C-warmer climate. We project exposure to fire-regime change across 65% of western US conifer forests and mean burn severity to ultimately decline across 63% because of feedbacks with forest productivity and fire frequency. We find that forests occupying disparate portions of climate space are vulnerable to projected fire-regime changes. Forests may adapt to future disturbance regimes, but trajectories remain uncertain.</p>
Occupational exposure dataset for TiO2, carbon black and TiO2 and Ag;X
<p>The size-resolved emission rate distributions of the nanomaterials supported by occupational exposure web application (<a href="https://aerosol.cloud.nanosolveit.eu/">https://aerosol.cloud.nanosolveit.eu/</a>) hosted on NanoSolveIT Cloud Platform. distributions are based on experimental data from:<br> <br> <br> A. J. Koivisto, T. Hussein, R. Niemelä, T. Tuomi and K. Hämeri, Impact of particle emissions of new laser printers on modeled office room, Atmos. Environ., 2010, 44(17), 2140–2146.<br> <br> V. Gomez, M. Levin, A. T. Saber, S. Irusta, M. Dal Maso and R. Hanoi, et al., Comparison of Dust Release from Epoxy and Paint Nanocomposites and Conventional Products during Sanding and Sawing, Ann. Occup. Hyg., 2014, 58(8), 983–994.<br> <br> A. J. Koivisto, A. C. Ø. Jensen, K. I. Kling, J. Kling, H. C. Budtz and I. K. Koponen, et al., Particle emission rates during electrostatic spray deposition of TiO2 nanoparticlebased photoactive coating, J. Hazard. Mater., 2018, 341, 218–227.<br> <br> 1 A. J. Koivisto, K. I. Kling, A. S. Fonseca, A. B. Bluhme, M. Moreman and M. Yu, et al., Dip coating of air purifier ceramic honeycombs with photocatalytic TiO2 nanoparticles: A case study for occupational exposure, Sci. Total Environ., 2018, 630, 1283–1291.<br> <br> <br> Details for the usage of the database can be found in:<br> <br> P. Tsiros, N. Cheimarios, A. Tsoumanis, A.C.O. Jensen, G. Melagraki, I. Lynch, H. Sarimveis, A. Afantitis, “Towards an in silico Integrated Approach for Testing and Assessment of nanomaterials: from predicted indoor air concentrations to lung dose and biodistribution”, Environmental Science: Nano, 9, 1282, (2022).<br> https://pubs.rsc.org/en/content/articlelanding/2022/en/d1en00956g</p>
RNA-seq based analysis of gene expression in thyroids of wild-type and Keap1 knockdown mice after exposure to excess iodide.
<p>C57BL/6J Keap1flox/flox mice were developed by Prof. Masayuki Yamamoto (DOI: 10.1016/j.bbrc.2005.10.185). These mice express lower levels of Keap1 because of the loxP site insertions (DOI: 10.1128/MCB.01591-09) and are designated as Keap1KD. 3-4 months old WT and Keap1KD mice fed a standard diet (KLIBA NAFAG 3242, Switzerland) containing 1.5 mg/kg sodium iodine were given normal tap water with or without 0.05% sodium iodide (Sigma, St Louis, MO, USA) for 7 days. Hence, the following groups of mice were included:</p> <p>WT mice on control water (n=8)-designated as wt in the file</p> <p>WT mice exposed to excess iodide (WT-IOD, n=6)- designated as wti in the file</p> <p>Keap1KD mice on control water (n=8)- designated as kp in the file</p> <p> and Keap1KD mice exposed to excess iodide (Keap1KD-IOD, n=6)- designated as kpI in the file. </p> <p> Mice were maintained in the animal facility of the Department of Physiology at the University of Lausanne in temperature-, light-, and humidity-controlled rooms with a 12-hour light/dark cycle. All animal procedures were in accordance with Swiss legislature and the study was approved by the Canton of Vaud SCAV.</p> <p>RNA from individual mouse thyroids was prepared as previously described (DOI: 10.1007/978-1-4939-3756-1_25) and was submitted to Alithea Genomics (Switzerland). The bulk RNA barcoding and sequencing (BRB-seq) libraries were generated and sequenced as described previously (DOI: 10.1186/s13059-019-1671-x) to a depth of approximately 1.2 million raw reads per sample.</p> <p>This research was funded by the Swiss National Science Foundation Research Grants 310030_212558, IZCOZ0_205415 and IZCOZ0_177070</p> <p></p> <p></p>
Image for the dataset in "Extraction of stratigraphic exposures on visible images using a supervised machine learning technique"
<p>This is the original and hand-masked image for the dataset used in a research paper "Extraction of stratigraphic exposures on visible images using a supervised machine learning technique".</p> <p>The content is</p> <ul> <li>Original images with hand-masked images (original_images_NOGUCHIandShoji.zip) <ul> <li>training/* : original images used for the training dataset generation (60 files)</li> <li>training_masks/* : hand-masked images for the training dataset generation (60 files)</li> <li>validation/* : original images used for the training dataset generation (10 files)</li> <li>validation_masks/* : hand-masked images for the validation dataset generation (10 files)</li> <li>test/* : original images used as the test data (5 files)</li> <li>test_masks/* : hand-masked images used as the test data (5 files).</li> </ul> </li> </ul> <p>Note that original images include images obtained using <em>google-image-download</em>, a Python script published on GitHub (<a href="https://github.com/Joeclinton1/google-images-download/tree/patch-1">https://github.com/Joeclinton1/google-images-download/tree/patch-1</a>, Copyright © 2015-2019 Hardik Vasa). The whole images we obtained by <em>google-image-download</em> were labeled as noncommercial reuse with modification.</p> <p>For more details, please refer to a research paper "Extraction of stratigraphic exposures on visible images using a supervised machine learning technique".</p> <p>Correspondence: Rina Noguchi (r-noguchi@env.sc.niigata-u.ac.jp)</p>
Dataset for the paper "Exposure of medical students to sexism and sexual harassment and their association with mental health: a cross-sectional study at a Swiss medical school" published in BMJ Open (2023)
<p><strong>Full reference of the paper: </strong></p> <p>Barbier JM, Carrard V, Schwarz J, et al. Exposure of medical students to sexism and sexual harassment and their association with mental health: a cross-sectional study at a Swiss medical school. BMJ Open 2023;13:e069001. doi:10.1136/bmjopen-2022-069001</p>
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.