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29,897 results for “activism”
Data from: GPCR genes as activators of surface colonization pathways in a model marine diatom
<p>Surface colonization allows diatoms, a dominant group of phytoplankton in oceans, to adapt to harsh marine environments while mediating biofoulings to human-made underwater facilities. The regulatory pathways underlying diatom surface colonization, which involves morphotype switching in some species, remain mostly unknown. Here, we describe the identifications of 61 signaling genes, including G-protein-coupled receptors (GPCRs) and protein kinases, that are differentially regulated during surface colonization in the model diatom species, <em>Phaeodactylum tricornutum</em>. We show that the transformation of <em>P. tricornutum</em> with constructs expressing individual GPCR genes induces cells to adopt the surface colonization morphology. <em>P. tricornutum</em> cells transformed to express GPCR1A display 30% more resistance to UV light exposure than their non-biofouling wild type counterparts, consistent with increased silicification of cell walls associated with the oval-biofouling morphotype. Our results provide a mechanistic definition of morphological shifts during surface colonization and identify candidate target proteins for the screening of eco-friendly, anti-biofouling molecules.</p>
PLOS Comput. Biol. "Biophysically detailed mathematical models of multiscale cardiac active mechanics": datasets
<p>This repository contains the data accompanying the PLOS Computational Biology paper "<em>Biophysically detailed mathematical models of multiscale cardiac active mechanics</em>", by Francesco Regazzoni, Luca Dedè and Alfio Quarteroni.</p> <p>It contains the following datasets:</p> <ul> <li><strong>steady_state.csv</strong>: steady-state active tension for constant calcium concentration and sarcomere length (Figs. 11, 12, 13 ,14).</li> <li><strong>isometric_twitches.csv</strong>: active tension transients in isometric conditions (Figs. 15, 16, 17).</li> <li><strong>force_velocity_relationship.csv</strong>: force-velocity relationship at different calcium concentrations and sarcomere lenghts (Fig. 18).</li> <li><strong>fast_transient_response.csv</strong>: tension-elongation curve after a fast step in length (Fig. 19).</li> </ul> <p>CSV headers refer to the following variables (and measure units):</p> <ul> <li><strong>Ca</strong> (<em>μM</em>): intracellular calcium concentration.</li> <li><strong>SL</strong> (<em>μm</em>): sarcomere length.</li> <li><strong>active_tension</strong> (<em>kPa</em>): active tension.</li> <li><strong>Delta_L</strong> (<em>nm/hs</em>): step length.</li> <li><strong>velocity</strong> (<em>hs/s</em>): shortening velocity.</li> <li><strong>time</strong> (<em>s</em>): time.</li> </ul>
Figure 2 in Activity and reproductive patterns of lizards in the Chaco of Argentina
Figure 2. Number of lizards captured during the study. Abbreviations: Tt: Teius teyou, Sd: Stenocercus doellojuradoi, Te: Tropidurus etheridgei, Lch: Liolaemus chacoensis, Hf: Homonota fasciata, Lp: Leiosaurus paronae, Vr: Vanzosaura rubricauda, Tr: Tupinambis rufescens, Md: Mabuya dorsivittata, Cs: Cnemidophorus serranus, Lsp: Liolaemus sp.
Figure 4 in Year-round activity patterns in a hyperdiverse community of rainforest amphibians in Madagascar
Figure 4. Canonical correspondence biplot relating amphibian species abundance along the study transect and five environmental predictors (italics, labelled as in Figure 3). Circles identify the sampling units (days) and crosses identify species. Species occurring more frequently at extreme environmental conditions are labelled using the codes presented in Table 1.
Figure 1 in Winter-active wolf spiders (Araneae: Lycosidae) in thermal habitats from western Romania
Figure 1. Map of the surveyed localities with thermal habitats in western Romania (1, Moneasa; 2, Ciocaia; 3, Roşiori; 4, Roşiori/Tămăşeu; 5, Săcuieni I; 6, Săcuieni II; 7, Curtici; 8, Socodor; 9, Chiribiş; 10, Chişlaz; 11, Livada de Bihor; 12, Mădăras; 13, Răbăgani; 14, Sânnicolau de Munte; 15, Tărian; 16, Acâş; 17, Beltiug; 18, Mihăieni; 19, Chiraleu; 20, Oradea; 21, Săcuieni III; 22, Tămăşeu; AR = Arad county, BH = Bihor county, SM = Satu Mare county).
Figure 5 in Morphofunctional characterization and antibacterial activity of haemocytes from Octopus vulgaris
Figure 5. Micrograph of Octopus vulgaris cultured haemocytes showing phagocytic activity. Arrows indicate the phagocytosed yeast particles. Scale bar = 10 μm.
Figure 8 in Morphofunctional characterization and antibacterial activity of haemocytes from Octopus vulgaris
Figure 8. Bactericidal activity of Octopus vulgaris haemocyte crude methanolic acid extract (HMAE). The graph shows the inibition of E. coli growth in the presence of increasing concentrations of HMAE: at 0.2 μg/ml HMAE the bacterial growth is dramatically reduced, while at 0.8 μg/ml it is completely inhibited.
Figure 1 in Morphofunctional characterization and antibacterial activity of haemocytes from Octopus vulgaris
Figure 1. Differential interference contrast micrographs showing different types of haemocytes in culture plate: (A) haemoblast-like cell without pseudopodia; (B) two hyalinocytes connecting each other with pseudopodia; (C) well-attached granulocyte showing dendritic pseudopodia formation; (D) graph showing the ratio among the three haemocyte types. Scale bar = 5 μm.
Figure 4 in Morphofunctional characterization and antibacterial activity of haemocytes from Octopus vulgaris
Figure 4. Light microscopy micrographs of Octopus vulgaris haemocytes processed with enzymatic histochemistry analysis: (A) granulocytes showing a peroxidase activity localized as dark brown deposits; (B) haemoblast-like cells with phenol oxidase activity; (C) hyalinocytes with phenol oxidase activity; (D) granulocytes showing phenol oxidase activity. Scale bar = 5 μm.
Figure 3 in Morphofunctional characterization and antibacterial activity of haemocytes from Octopus vulgaris
Figure 3. Light microscopy micrographs of haemocytes stained with Giemsa/May–Grünwald stain: (A) acidophilic haemoblast-like cells (arrowheads) and granulocytes with acidophilic cytoplasm and cells (arrows); (B) hyalinocytes with basophilic nucleus and cytoplasm filled with vacuoles and few granules; (C) granulocytes cells with basophilic cytoplasm. Scale bar 5 μm.
Data set associated to the publication "An active source seismo-acoustic experiment using tethered balloons to validate instrument concepts and modelling tools for atmospheric seismology"
<p>Data set of the scientific publication entitled "An active source seismo-acoustic experiment using tethered balloons to validate instrument concepts and modelling tools for atmospheric seismology":</p> <p>Seismological sensors</p> <p>Microphones</p> <p>Barometers</p> <p>Accelerometers</p> <p>Detailed test report.</p>
Ethical Perspectives in AI: A Two-folded Exploratory Study From Literature and Active Development Projects - Supplementary Material
<p>This is the Supplementary Material provided for the work accepted on HICSS 2021.</p> <p>Title of work: Ethical Perspectives in AI: A Two-folded Exploratory Study From Literature and Active Development Projects.</p> <p> </p> <p> </p> <p>This dataset depicts 589 GitHub README files explored in our article. We devised each repository into 4 categories. AI Applications (78), reference lists (486), Explainable AI tool (6), Ethical AI tool (15). Moreoveer, 4 repositories could not be found, and 181 of them had a Programming Language. In addition, we classified them according to our judgement of Interesting (82) or Great (33), regarding the objectives of our work. 75 repositories were not related to AI Ethics, and 7 of them mentioned COVID-19 in their repositories in some manner. Highlighted repositories in red pertain to categories 3 and 4, that is, tools for implementing AI Ethics, while those in yellow are marked as “Great”.</p> <p>Explainable AI tool and Ethical AI tool were added to 21 occurrences of tools for implementing AI ethics publicly available in repositories. Furthermore, it is seen that many papers open-sourced their codes on GitHub (as in https://github.com/lopusz/awesome-interpretable-machine-learning), meaning that the academic field has also made good progress in implementing ethics in AI, hence, the combined energy of both sources fosters an enhanced debate and stimulates progress towards AI ethics in practice.</p>
Temperature of the active layer in the forest-tundra zone in the north of Western Siberia (Pangody) forest-tundra zone in the north of Western Siberia
<p>Temperature of the active layer in the forest-tundra zone in the north of Western Siberia (Pangody) forest-tundra zone in the north of Western Siberia (7 sites). Temperature was measured with a Tr 46908 thermometer (TR di Turoni & c. Snc, Italy) and drilling was carried out using a hand-held motor-drill Stihl BT 360 (Stihl, Germany). Date of field investigations - 16 and 17 August 2020.</p>
Dataset for the paper: TaskTracker tool: a Toolkit for Tracking of Code Snapshots and Activity Data During Solution of Programming Tasks (SIGCSE Technical Symposium 2021))
<pre>It is a dataset for the <em>TaskTracker-tool: a Toolkit for Tracking of Code Snapshots and Activity Data During Solution of Programming Tasks</em> paper from <a href="https://sigcse2021.sigcse.org/">SIGCSE Technical Symposium 2021</a>. The dataset consists of code snapshots, IDE actions, and demographic information gathered by <a href="https://github.com/JetBrains-Research/codetracker">this</a> tool. We had 148 participants, aged 11 to 40 (mean age is 19 years), take part in the data gathering process. </pre> <pre>During data gathering, solutions were accepted in one of four languages: Python, Java, Kotlin, or C++. However, some of the students chose not to submit tasks or solved some tasks incorrectly. At the same time, some students solved some tasks many times in multiple languages. All submitted solutions are included in the final dataset.</pre> <pre>To get more information see the <em>README</em> file.</pre>
Computational atomic coordinate files for Quantification of Ni-N-O bond angles and NO activation by X-ray emission spectroscopy
<p>Geometry optimized coordinates and other atomic coordinate files in xyz format used to calculate X-ray emission spectra of beta-diketiminate nickel nitrosyl complexes.</p>
Supplementary data for calcium-vesicles perform active diffusion in the sea urchin embryo during larval biomineralization
<p><strong>Supplementary datasets for the paper Calcium-vesicles perform active diffusion in the sea urchin embryo during larval biomineralization.</strong></p> <p>Two deskewed and deconvolved lattice light-sheet datasets (100 frames each) from the live-cell experiments are available, a control embryo dataset (01-07-2016_TimeLapse4_DMSO_21hrs_Calcein_FM464) and a VEGFR inhibited dataset (24-06-2016_Timelapse1_Axtinib_150_19hrs_Calcein_FM464). These datasets were used for collecting size and motion statistics. The control embryo dataset is available in raw microscope output without deskew or deconvolution applied (Raw_01-07-2016_TimeLapse4_DMSO_21hrs_Calcein_FM464).</p> <p>Four confocal datasets from the cytoskeletal remodeling experiments are also included, phalloidin stained images, control (Phalloidin PMC DMSO 5 zoom4s) and VEGFR inhibited (Phalloidin PMC Axt 18 zoom4); and myosinIIP stained images, control (Myosin PMC 30h DMSO new slid 4a zoom4) and VEGFR inhibited (Phalloidin PMC Axt 18 zoom4).</p> <p>Source code and instructions for the analysis tools used for both the lattice light-sheet and confocal data is available at: <a href="https://git-bioimage.coe.drexel.edu/opensource/llsm-calcium-vesicles-lever">https://git-bioimage.coe.drexel.edu/opensource/llsm-calcium-vesicles-lever</a></p> <p>Code for the deconvolution and deskew algorithms is available from the Janelia research center at: <a href="https://www.janelia.org/open-science/lattice-light-deconvolution-software-cudadeconv">https://www.janelia.org/open-science/lattice-light-deconvolution-software-cudadeconv</a></p> <p> </p> <p> </p>
Author Classifications of O*NET Individual Work Activities (IWA)
<p>Author Classifications of O*NET Individual Work Activities (IWA) used in "Innovations and Economic Output Scale with Social Interactions in the Workforce"</p>
Physical activities data
<p>This upload contains anonymized open data for physical activities.</p>
Repository: The Distribution of Frosts on Mars: Links to Present-Day Gully Activity
<p>This repository contains:</p> <p>1. Global calculated CO2 frost point temperatures (Kelvin) calculated at 1 ppd every 10 Ls using surface pressure from the online version of the Mars Climate Database<br> (http://www-mars.lmd.jussieu.fr/mcd_python/)<br> CO2 Frost Points</p> <p><br> 2. Local Solar Time and Season of THEMIS CO2 Frost Detections at gully locations<br> corr_gully_detections_filenames_meta</p> <p>3. Calculated CO2 frost amounts (kg/m^2) at 30S, 40S, 50S and 60S on pole-facing slopes<br> Frost Amounts</p> <p>4. Calculated CO2 frost amounts (kg/m^2) varying with lower material thermal inertia, slope azimuth, top material thermal inertia, top material thickness and surface albedo<br> Frost Sensitivity</p> <p>5. Predicted H2O frost lifetimes (hours)<br> H2OFrost_Stability</p> <p>6. Global THEMIS CO2 Frost Detections from Mars Year (MY) 26<br> MY26_THEMIS_CO2_Frost_Detections</p> <p>7. THEMIS CO2 Frost Detections at gully locations (Harrison et al. 2015) from MYs 26 - 35<br> MY26_35_THEMIS_GULLY_CO2_Frost_Detections</p> <p>8. H2O frost temperatures (Kelvin) at the Opportunity rover site<br> Opportunity_H2OFrost</p> <p>9. CO2 Frost detections made by Piqueux et al. (2016) using Mars Climate Sounder data<br> Piqueux et al (2016) MCS CO2 Frost Detections</p> <p>10. TES-derived data<br> a) TES_MY26_H2OFrost_Temp_Map<br> b) TES_MY26_H2OFrost_Temp_Seasonal</p> <p>11. The seasonal variation of the CO2 frost point (Kelvin) at the Viking Lander sites<br> Viking_Lander_Data</p>
Articles citing HIMF as marker for alternatively activated macrophages
<p>These articles offer good evidence that HIMF is a marker for alternatively activated macrophages.</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.