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213 results for “electric fields”
Dataset and supplementary files - Behavioral response of chub (Squalius cephalus), barbel (Barbus barbus) and brown trout (Salmo trutta) to pulsed direct current electric fields and resulting optimal waveform for use at electrified bar racks
<p><strong>Behavior Library.zip: </strong>For each species and behavior observed during the experiments an exemplary video is provided. </p><p><strong>Behavior_all.pdf: </strong>Additional plots showing the thresholds for the first time each individual behavior was observed for all fish species and tested waveforms</p><p><strong>Species.pdf: </strong>Additional plot allowing direct comparison of observed thresholds for the tested species when subjected to different waveforms. </p><p><strong>data.csv:</strong> All data necessary to reevaluate the conducted experiments. The dataset consists of</p><ul><li>Experiment ID</li><li>waveform - indicating the set of electrical parameters used</li><li>fish species and fish id </li><li>behavior - observed behavior</li><li>time from and time to - time in s after the start of the experiment that a behavior was started and ended respectively</li><li>type - point or interval referring to whether a behavior is considered instantaneous or continuous</li><li>voltage - applied voltage at the start of the given behavior</li><li>experiment_timestamp - date and time of the start of the experiment</li><li>breathing rate start - breathing rate at the start of the experiment</li><li>water conductivity - water conductivity at a reference temperature of 25°C [muS/cm]</li><li>water temperature [°C]</li><li>breathing rate end - breathing rate at the end of the experiment</li><li>meta behavior - assigned category of meta behavior based on the observe behavior category</li><li>standard length, total length and height - standard length, total length and height of the tested fish in [mm]</li><li>volume - calculated fish volume based on the measured length and height and an assumed elliptical form of the fish</li><li>Fangdatum - Date of catch</li><li>t.Pulse - pulse length of the tested waveform [ms]</li><li>Frequency - Frequency of the tested waveform</li><li>N.Pulses.Group - Number of pulses per group of pulses for the waveform pattern</li><li>t.Gap - time between two pulses within a group of pulses [ms]</li><li>DutyCycle - Percentage of time current is flowing for a given waveform. Calculated based on the waveform parameters</li><li>usage - first, second or third time a fish was used in the experiments. </li><li>field strength - field strength at the time of this behavior calculated based on the applied voltage</li><li>c_w ambient water conductivity [muS/cm]</li><li>p_d - power density calculated based on the field strength and the ambient water conductivity</li><li>p_t - power transferred to the fish calculated based on the field strength, the ambient water conductivity and an assumed conductivity of the fish of 115 muS/cm</li></ul><p> </p><p> </p>
Supporting information of paper "Direct Laser Writing of Liquid Crystal Elastomers Oriented by a Horizontal Electric Field"
<p>This dataset contains the <em>underlying data </em>and the <em>extended data </em>for the paper “Direct Laser Writing of Liquid Crystal Elastomers Oriented by a Horizontal Electric Field”, submitted for consideration and open review in Open Research Europe.</p> <p>In the follow the description of the files is reported:</p> <p><strong>Underlying_data_Surce_Images.zip</strong> It contains the source original microscopy image files used for assembling final paper Figures (1-5), enclosed in the main text. List and pictures' information are reported in the file "Source Picture Description.txt" included in the zip.</p> <p><strong>SIVideo_LCAlignment.avi </strong>- [Supporting VideoZ1] showing the response of the unpolymerized mesogens to an electric field of 1.7 V/µm</p> <p><strong>SIVideo_NailActuation.wmv</strong> - [Supporting VideoZ2] showing the thermally activated actuation of a LCE nail microstructure upon several rt-75 °C cycles.</p> <p><strong>SIVideo_SimulationCube.gif</strong> - [Supporting VideoZ3] Video showing a simulation of the actuation of a LCE microcube upon heating.</p> <p><strong>SIVideo_SimuulationNail.gif</strong> - [Supporting VideoZ4] - Video showing a simulation of the actuation of a LCE micronail upon heating.</p> <p><strong>ImageZ1.png - </strong>[Supporting Figure Z1] Simulation of the distribution of the electric field generated by flat electrode, view along the plane (cross section) with magnification of the central part of the working field.</p> <p><strong>ImageZ2.png</strong> - [Supporting Figure Z2] - Photographs and thermal images of a LCE film obtained using a resin formulation identical to that employed in DLW on identical substrates that show the thermal response. Top: photograph of LCE films obtained by UV polymerization of a 7:3 LC-MA:LC-DA mixture over interdigitated flat ITO electrodes with an applied DC voltage. Upon heating with an infrared lamp (right column) the film bends and shortens. Middle: images acquired with a thermocamera highlighting the actuation temperature. Bottom: control LCE film polymerized as casted (without electric field).</p> <p><strong>ImageZ3.png</strong> - [Supporting Figure Z3] - a) Optical microscopy images of a double-cantilever acquired through perpendicularly oriented polarizes placed at 45° with respect to the applied electric field. b) Example of thermally responsive actuation via a comparison of images recorded at room temperature (upper) and at 70 °C (bottom).</p> <p><strong>Simulations.zip - </strong>Comsol (Version 5.6) source simulation files for LCE microcube and LCE micronail upon heating, and for the electric field electric generated by flat electrode in experimental conditions. Complete Report file in PDF is also available, containing all the parameters and equations used for simulation. Finally, the simulation results are provided as text .csv files.</p> <p><strong>Files_Blender_LCE.zip</strong> - Blender (Version 2.93) source file (“.blend”) for microstructure fabrication and generated surface “.stl” files, including cube, nail, cantilever and pyramid geometries.</p> <p><strong>Cube Describe.zip </strong>- Example of DeScribe software output files containing all needed parameters used for printing cubes, generated starting from “cube.stl” file. Other geometries have been realised using the same writing parameters starting from appropriate “.stl” file.</p>
References and Metadata for Electric vehicles' consumer behaviours: Mapping the field and providing a research agenda (https://doi.org/10.1016/j.jbusres.2022.06.011)
<p>The bibliography and metadata used for the analysis published in the Journal of Business Research - Electric vehicles' consumer behaviors: Mapping the field and providing a research agenda (https://doi.org/10.1016/j.jbusres.2022.06.011).</p>
The Time Variable Ionospheric Electric Field (TiVIE) Model Outputs v 1.0
<p>These are the outputs for the TiVIE model v 1.0 produced by Maria-Theresia Walach, Lancaster University for the publication Walach, M.-T., and Grocott, A. (submitted 2024). </p>
MD simulations of SARS-CoV-2 Spike Protein under static electric fields
<p>This dataset contains trajectories corresponding to all-atom MD simulations of segments of the SARS-CoV-2 Spike Protein, and in-silico mutations, under the influence of moderate external electric fields. The final structures of some of the simulations were used to perform in-silico docking with ACE2 receptor to evaluate the effect of comformational changes (docking was perform with PyDOCK).</p> <p>The file trajectories_6vsb_dt1ns.zip contains trajectories of simulations that were performed on a segment of the Protein Data Bank ID 6VSB comprising RBD, SD1 and SD2. The file trajectories_6m0j_dt1ns.zip correspond to the RBD in Protein Data Bank ID 6M0J. The file trajectories_in-silico_mutations_dt1ns.zip correspond to simulations performed on in-silico generated mutations following the mutations corresponding to WHO Variants of Concern UK, South Africa and Brazil. In all cases, simulations were performed at different electric field intensities ranging between 10<sup>4</sup> V/m and 10<sup>7</sup> V/m, with an extra short simulation under very high intensity (10<sup>9</sup> V/m). The file docked_structures_6m0j.zip contains the 100 best scored docked structures for each case as the output of PyDOCK.</p> <p>Trajectories are stored in GROMACS compressed trajectory file format (.xtc), downsampled to a 1ns timestep. Individual trajectories length are between 300 nanoseconds and 1 microsecond. In-silico docked structures are in PDB format. See linked preprint for more details.</p>
Electric field driven switching of individual magnetic skyrmions
<p>Data related to the publication</p>
Supporting data for Wu et al. "Penetrating Electric Field Simulated by the MAGE and Observed by ICON" paper
This dataset contains the necessary data supporting the paper titled "Penetrating Electric Field Simulated by the MAGE and Observed by ICON", to be submitted by Wu et al., 2022. The dataset includes the Multiscale Atmosphere-Geospace Environment (MAGE) model simulation for two intervals to support 2020 Sep 26 9-10 UT and 2020 Sep 24 5-6 UT. The data contain neutral wind, ion drift, and electron density output.
Replication Data for: Beyond the Dailey-Townes model: chemical information from the electric field gradient
<p>This dataset collects the unprocessed (= outputs from calculations) results discussed in the paper entitled "Beyond the Dailey-Townes model: chemical information from the electric field gradient" by G. Fabbro, J. Pototschnig, and T. Saue.</p>
An Evaluation of Equatorial Perturbation Electric Fields Using Empirical Vertical Drift Models
<p>Dataset for the article titled "An Evaluation of Equatorial Perturbation Electric Fields Using Empirical Vertical Drift Models", submitted to <em>Space Weather</em>. The dataset includes the outputs from the four empirical vertical drift models used in the article: Fejer and Scherliess (1997), Kelley and Retterer (2008), Manoj and Maus (2012), and Scherliess and Fejer (1999).</p>
Experimental data for "Electric field drives Chern transition in Hofstadter bands of twisted double bilayer graphene"
<p>This experimental dataset was used in our study of "Electric field drives Chern transition in Hofstadter bands of twisted double bilayer graphene".</p>
dataset for paper "Activation energy for pore opening in lipid membranes under an electric field"
<p>Dataset for the paper "Electropermeabilization of hydroperoxidized lipid membranes".</p> <p>Data was generated from Orbit Mini miniaturized bilayer workstation (Nanion Technologies, Munich, Germany), with an inserted microelectrode cavity array (MECA 4) recording chip (Ionera Technologies, Freiburg, Germany).</p> <p>The data files have format .abf, a standard format for electrophysiological data. <br> It can be read by applications such as for instance</p> <p>- Clampex and ClampFit, from the patch-clamp software suite pCLAMP, <br> - Elements Data Analyzer, associated with the elements data reader software from Elements-IC, </p> <p><br> or imported into Python through the package pyABF 2.3.5.</p> <p>import pyabf // abf=pyabf.ABF(path+"/"+f+"/"+abffile) // data = np.vstack((abf.sweepX, abf.data)) </p> <p>Data is organized in five folders named according to target hydroperoxidation degrees:<br> POPC<br> POPC-OOH 25%<br> POPC-OOH 50%<br> POPC-OOH 75%<br> POPC-OOH 100%</p> <p>Inside each of the five above files data is organized by date, and informed with the actual measured hydroperoxidation degree for a given sample. </p>
Nonvolatile Electric-Field Control of Inversion Symmetry: Manuscript Data
<ul> <li>Relevant Raw Data files for Main Text Figures of "Nonvolatile Electric-Field Control of Inversion Symmetry."</li> <li> <p>Relaxation input and output files of the polar & antipolar phases (including structure .cif files) and the input and output files of the DOS calculation from Main Text Fig. 3</p> </li> </ul>
Active control of the free surface of a rivulet of a nematic liquid crystal with an electric field
<p><span>The dataset titled "<em>Active Control of the Free Surface of a Rivulet of a Nematic Liquid Crystal with an Electric Field</em>" comprises raw images for Figure 2 and data for Figures 3 as reported in the article in Physical review Fluids.</span></p> <p><span>The files with names starting “Figure2” are the raw .TIF images used for creating the top and side view images shows in Figure 2 (a) and (b). </span></p> <p><span>The file “Figure 3a_Experimental Data.xlsx” includes the experimental data presented in Figure 3a for a 5CB rivulet flowing at volume fluxes of Q=250, 500, and 1000 nL/s.</span></p> <p><span>The file “Figure 3a_Inset_Experimental Data.xlsx” contains control data displayed in the inset of Figure 3a. This data pertains to two controls first Propylene Glycol rivulet flowing at a volume flux of </span><span>𝑄</span><span>=275 nL/S and second liquid crystals LCT 07-1132 rivulet flowing at a volume flux of Q=500nL/s.</span></p> <p><span>The file “Figure 3b_Experimental_Data.xlsx” includes experimental data presented in Figure 3b for 5CB rivulet <span>plotted as a function of the prescribed flux </span></span><span>Q </span><span>for </span><span>V </span><span>= 0 </span><span>V </span><span>and </span><span>V </span><span>= 1000 </span><span>V. </span></p>
Time Variable Ionospheric Electric Field Model (TiVIE) light data v 1.0
<p>This is the TiVIE light data to accompany TiVIE model v 1.0 produced by Maria-Theresia Walach, Lancaster University for the publication Walach, M.-T., and Grocott, A. (submitted 2024). </p>
Data for "Site-Specific Management Zones Delineation Based on Apparent Soil Electrical Conductivity in Two Contrasting Fields of Southern Brazil"
<p>This dataset contains soybean yield, soil property values, and apparent electrical conductivity (ECa) from two farms located in the South of Brazil. The data description and methods can be found in the paper:</p> <p><strong>Bottega, E. L., Safanelli, J. L., Zeraatpisheh, M., Amado, T. J. C., Queiroz, D. M. de, & Oliveira, Z. B. de. (2022). Site-Specific Management Zones Delineation Based on Apparent Soil Electrical Conductivity in Two Contrasting Fields of Southern Brazil. In Agronomy (Vol. 12, Issue 6, p. 1390). MDPI AG. https://doi.org/10.3390/agronomy12061390</strong></p> <p>Abstract:</p> <p>Management practices that aim to increase the profitability of agricultural production with minimal environmental impact must consider within-field soil variability, and this site-specific management can be addressed by precision agriculture (PA). Thus, this work aimed to investigate which key soil attributes are distinguishable management zones (MZ) delineated based on the soil apparent electrical conductivity (ECa), using fuzzy k-means, in two fields with contrasting soil textures in southern Brazil. For this, a grid scheme (50 × 50 m) was applied to measure ECa, conduct soil sampling for analysis, and determine soybean yield. The MZ were delineated based on the ECa spatial distribution, and statistical non-parametric tests (p < 0.05) were employed to compare the soil chemical and physical attributes among MZ. The management zones were able to distinguish the average values of Clay, Silt, pH, Ca<sup>2+</sup>, Mg<sup>2+</sup>, SB, Al<sup>3+</sup>, H<sup>+</sup> + Al<sup>3+</sup>, AS%, and BS%. In the field classified as sandy clay loam texture, management zones were able to differentiate the average values of soybean yield, Clay, Ca<sup>2+</sup>, Mg<sup>2+</sup>, SB, and CEC. Thus, this study supports the ECa as an efficient tool for delineating MZ of contrasting cropland soils in southern Brazil to understand the within-field soil variability and adjust the inputs accordingly.</p>
Dataset for "Three-dimensional modeling of the ground electric field in Fennoscandia during the Halloween geomagnetic storm", Marshalko et al. (2023), Space Weather
<p>Results of 3-D modeling of the ground electric field in Fennoscandia during the Halloween geomagnetic storm in 2003 (29-31 October).</p> <p>Electric_field_YYYYMMDDHHMMSS_YYYYMMDDHHMMSS.h5 files (in hdf5 format) contain horizontal electric field components Ex and Ey (in mV/km) corresponding to 6 h of data and latitude and longitude grids corresponding to Ex and Ey arrays. Ex and Ey are 2160x567x543 arrays (temporal resolution is 10 s, thus, 2160 time steps). Latitude and Longitude are 567x543 arrays. All values are in single-precision floating-point format. Electric field values were obtained with the use of the conductivity-based inducing source following Marshalko et al. (2023).</p> <p>Files Electric_field_CB_20031029000000_20031031235950.dat, Electric_field_MT_20031029000000_20031031235950.dat, and Electric_field_SECS_20031029000000_20031031235950.dat contain the ground electric field time series (in mV/km) modeled during the Halloween geomagnetic storm in 2003 (29-31 October) at IMAGE magnetometers' locations, Mäntsälä Finnish natural gas pipeline GIC recording point (MAN), and Point X located 0.5 degrees north of MAN. The files are in plain-text (column-based) format. Electric field values in Electric_field_CB_20031029000000_20031031235950.dat, Electric_field_MT_20031029000000_20031031235950.dat, and Electric_field_SECS_20031029000000_20031031235950.dat were obtained with the use of the conductivity-based inducing source, MT intersite impedance method, and Spherical Elementary Current Systems (SECS) based approach, correspondingly, following Marshalko et al. (2023).</p>
Data from: Sensation of electric fields in Drosophila melanogaster
Open the record for dataset details and reuse information.
Underlying data for "The role of electrostatics in enzymes: do biomolecular force fields reflect protein electric fields?"
<p>This dataset contains code, data, trajectories, and figures used in the article "The role of electrostatics in enzymes: do biomolecular force fields reflect protein electric fields?".</p> <p> </p> <p>Contents:</p> <p>code/* - Code used to calculate electric fields from simulation trajectories with either polarizable or additive force fields</p> <p>data/* - Electric fields calculated for the CypA WT cis, WT trans, R55A cis, and R55A trans systems, with AMOEBA, Amber, or Charmm force fields. Each subfolder also includes a set of structural coordinates extracted at 2.5 ns intervals from the first simulation trajectory and used to calculate ONETEP DFT electric fields.</p> <p>figures/* - Underlying data and scripts used to create all figures and movies used in the article.</p> <p>trajectories/* - Simulation trajectories of the CypA WT cis, WT trans, R55A cis, and R55A trans systems</p> <p> </p> <p>Where appropriate, README files include instructions for regenerating data used in the article, and details of the Python packages and other software used to generate data are available in Dependencies.txt</p>
A Theory of Unpinning of Spiral Waves using Rotating Electric Fields
<p>Spiral waves pinned to obstacles cause self-perpetuating abnormal activation in the heart leading to life-threatening cardiac arrhythmias. To bring the heart back to its normal rhythm, the pinned spirals have to be eliminated. Apart from globally resetting shocks, pulsed and rotating electric fields are known to unpin the spirals using the method of wave emission from heterogeneties, with much lower voltage. Here, we provide a robust mechanism for termination of the pinned spiral waves using a rotating electric field. We show that the termination always happens within the first rotation of the electric field. For a given obstacle size, there exists a threshold time period of rotating field below which the spiral can always be terminated. Our analytical formulation accurately predicts this threshold and explains the absence of traditional unpinning window with the rotating electric field. Since the rotating electric field requires much lower field strength, this study may influence future low-energy defibrillation techniques.</p>
Data associated with "Modulation of intercolumnar synchronization by endogenous electric fields in cerebral cortex"
<p>These is data associated with the article "Modulation of intercolumnar synchronization by endogenous electric fields in cerebral cortex" in Science Advances 2021, by the same authors.</p>
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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.