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Dataset results
232 results for “time measurement”
An automated sensitive approach for measuring whole gut transit time
Background <p>Commonly used methods to measure whole gut transit time in rodents have yet to combine high sensitivity, objectivity and automation. We have developed a novel method using oral gavage of non-toxic fluorescent dye particles and their detection by fluorescence imaging to enable unbiased automated detection of gut transit time simultaneously in 8 cages.</p> Methods <p>Naïve mice (n=20) were gavaged with a 4.4% suspension of fluorescent dye in CMC in 3 groups on 2 occasions. Each group was imaged in 8 cages at 5-minute intervals using blue LEDs for illumination and a Sony full-frame mirrorless camera with a green band-pass emission filter. Custom Matlab code counted the number of fluorescent boli per cage post-hoc and provided graphical and spreadsheet output. Boli counts across a wide range of parameters were compared to blind assessments by an experimenter.</p> Results <p>Fluorescent boli were detected with high sensitivity, while unstained boli were readily rejected. All cages showed no fluorescent boli for the first ~20 frames (120 minutes), after which many cages gradually show a rise to 1-6 fluorescent boli. The mean time to first fluorescent bolus in each session was 264±141 and 223±81 minutes post-gavage, with no within subject consistency. There was high correlation between automated scores and that of experimenter (r=0.95±0.02), being robust to parameter changes.</p> Conclusions & Inferences <p>This novel approach provides a reliable, automatic and low-cost method of measuring gastrointestinal transit time in mice.</p>
Time series of the longitudinal gradient of Venus's brightness temperature measured by Akatsuki LIR
<p>The files contain the time series of the longitudinal gradient of Venusian cloud's brightness temperature measured by LIR onboard JAXA's Venus orbiter Akatsuki. The data were derived and analyzed in the paper "Planetary-Scale Waves Seen in Thermal Infrared Images of Venusian Cloud Top" by Kajiwara et al. The filename represents the latitude for each time series (For example, "10N" means 10 degrees north, and "EQ" means the equator). In all files, the first column gives the approximate elapsed time in days from 18 May 2017: the exact dates are given in the paper. The second column gives the longitudinal gradient of the brightness temperature in unit of K/degree.</p>
The Impact of the Three-Dimensional Structure of a Subduction Zone on Time-dependent Crustal Deformation Measured by HR-GNSS
<p>Companion data set to the paper "<strong>The Impact of the </strong><strong>Three-Dimensional Structure of a Subduction Zone on Time-dependent Crustal Deformation Measured by HR-GNSS.</strong>" The 'GNSS_Stations' folder contains the GNSS stations used for 2011 <strong>M</strong>7.9 Ibaraki, 2011 <strong>M</strong>7.4 Iwate, 2011A <strong>M</strong>7.3 Miyagi and 2003 <strong>M</strong>8.3 Tokachi 2003 earthquakes. The 'Mesh' folder contains the fault geometry mesh files for the Japan Trench, including the GMSH files. The '3D_velocity_model' folder contains the 3D velocity model for the combined West and East domains of the 3D Japan Integrated Velocity Structure Model in a rfile format and the corresponding ifile format. The 'Ruptures' folder contains the projected rupture models for each earthquake on the Japan Trench mesh and the corresponding 100 realizations of the mean rupture models generated using FakeQuakes. If you use these data, please cite the associated publication:</p> <p>Fadugba, ­O. I., Sahakian, V. J., Diego Melgar, D., Rodgers, A. & Shimony, R. (2023). The Impact of the Three-Dimensional Structure of a Subduction Zone on Time-dependent Crustal Deformation Measured by HR-GNSS.</p>
Real time temperature measurements during aplication of PFA to rat ventricular tissue
<p>Dataset containing the temperature recordings performed during PFA in ventricular tissue as described in publication : doi: 10.1161/CIRCEP.122.010992.</p> <p> </p> <p> </p>
Time series of flow measurement and water quality monitoring at a large combined sewer overflow in Berlin
<p>The table contains 3 years CSO monitoring time series, already split in 22 separated CSO events. All details about the monitoring set up in the papers and reports indicated below.</p> <p>Fields:</p> <ul> <li>evtID: event ID</li> <li>myDateTime; date/time</li> <li>v: m/s velocity</li> <li>Q: m³/s flow</li> <li>TSS: mg/l TSS concentration</li> <li>COD: mg/l COD concentration</li> <li>CODf: mg/l dissolved COD concentration</li> <li>EC: µS/cm electric conductivity</li> <li>NH4_N: mg/l NH4_N concentration</li> </ul> <p>TSS and COD have been measured with a spectrometer using a linear local calibration as presented in Lepot et al., 2016.</p> <p>ore information about the monitoring set up in </p> <p>Sandoval, S., Torres, A., Pawlowsky-Reusing, E., Riechel, M., Caradot, N. (2013): The evaluation of rainfall influence on CSO characteristics: the Berlin case study. Water Science & Technology Vol. 68 (12): 2683-2690 10.2166/wst.2013.524</p> <p>Caradot, N. (2012): Continuous Monitoring of Combined Sewer Overflows in the Sewer and the Receiving River: Return on Experience. Kompetenzzentrum Wasser Berlin gGmbH; MIA-CSO Project Report</p> <p>Riechel, M., Matzinger, A., Pawlowsky-Reusing, E., Sonnenberg, H., Uldack, M., Heinzmann, B., Caradot, N., von Seggern, D., Rouault, P. (2016): Impacts of combined sewer overflows on a large urban river - Understanding the effect of different management strategies. Water Research 105: 264-273 10.1016/j.watres.2016.08.017</p> <p>Caradot, N., Sonnenberg, H., Riechel, M., Matzinger, A., Rouault, P. (2013): The influence of local calibration on the quality of UV-VIS spectrometer measurements in urban stormwater monitoring. Water Practice & Technology Vol 8 (No 3-4): 417-425 10.2166/wpt.2013.042</p> <p>Lepot, M., Torres, A., Hofer, T., Caradot, N., Gruber, G., Aubin, J.-B., Bertrand-Krajewski, J.-L. (2016): Calibration of UV/Vis spectrophotometers: A review and comparison of different methods to estimate TSS and total and dissolved COD concentrations in sewers, WWTPs and rivers. Water Research 101 (15 September 2016): 519-534 10.1016/j.watres.2016.05.070</p>
Angle Dependent Spectral Reflectance Material Dataset based on 945 nm Time-of-Flight Camera Measurements
<p>The dataset contains angle dependent spectral reflectance measurements of materials in the infrared spectrum at a wavelength of 945 nm taken by a time-of-flight camera for an angle range of 0° to 80° in incremental steps of 10°, mounted on an adjustable angle measurement device.</p> <p>Each data file is structured in columns with two parameters: reflectance (%) and incidence angle (°).</p> <p>For each single material measurement a description file is attached in a separate ZIP-file.</p> <p>The extended dataset include new materials such as vehicle varnish and moss rubber. This new version further includes pictures for almost each of the measurements to depict the measurement setup and environmental conditions during the data acquisition. They are provided in a separate ZIP-file.</p> <p> </p> <p><strong>Note: </strong>Please always use the latest version!</p>
Lubiprostone Effect on Gastrointestinal Tract Transit Times Measured by Smartpill in Patients With Chronic Constipation
ClinicalTrials.gov study NCT01469819. IPD Sharing: NO. Countries: 1. Publications: 1.
Validation of a Real-time Urodynamic Measure of Urinary Urgency
ClinicalTrials.gov study NCT00909428. IPD Sharing: NO. Countries: 1. Publications: 5.
Noninvasive Real-time Intracardiac Pressure Measurements Using Subharmonic Ultrasound
ClinicalTrials.gov study NCT03245255. IPD Sharing: YES. Countries: 1. Publications: 12.
Data from: Measuring behavior patterns and evaluating time sampling methodology to characterize brush use in weaned beef cattle
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Data from: Sensitivity of simulated ammonia fluxes in Rocky Mountain National Park to measurement time resolution and meteorological inputs
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Switchgrass flowering time measurements for genomic prediction
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An automated sensitive approach for measuring whole gut transit time
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Geolocators lead to better measures of timing and renesting in Black-tailed Godwits and reveal the bias of traditional observational methods
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Measurement of biochemical Marker Dynamics in serum levels of calcium, phosphorus, P1NP, and CTX across three time points (T0, T1, T2) following treatment with dimeric R25CPTH(1-34), rhPTH(1-34), and control
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The Dynamic Assimilation Technique measures photosynthetic CO2 response curves with similar fidelity as steady-state approaches in half the time
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High-frequency measurements of aeolian saltation flux: time series data
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Data from: Deriving birth timing of roe deer fawns from body measurements to limit mowing mortality
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Supporting Information for "Terrestrial bow shock parameters from MMS measurements: dependence on upstream and downstream time ranges"
<p>Summary plots and parameter tables for each of the 51 shocks analyzed in the statistical study "Terrestrial bow shock parameters from MMS measurements: dependence on upstream and downstream time ranges."</p>
Time series measurements of group-specific picophytoplankton primary production
<p>14C-based primary production by flow cytometrically determined pico plankton (Prochlorococcus, Synechococcus, and photosynthetic picoeukaryotes) were measured at six discrete depths (5, 25, 45, 75, 100, and 125 m) at Station ALOHA. Seawater samples from each depth were subsampled into triplicate 30-mL polycarbonate centrifuge tubes from a pre-dawn cast, inoculated under subdued light with 70 µL of NaH14CO3-, then incubated over the full photoperiod (~12-14 hours). At the end of the incubation period (after sundown), 5 mL of each radiolabeled sample was preserved in cryotubes containing 30 µL of 16% (final concentration 0.24% w/v) microscopy-grade paraformaldehyde, flash-frozen in liquid nitrogen, and stored at -80°C for subsequent flow cytometric sorting. Group-specific rates of 14C-assimilation by Prochlorococcus, Synechococcus, and PPE were determined by measuring the amount of 14C assimilated into populations sorted using a BD Influx sorting flow cytometer. </p>
ScienceDex guides
Understand access before you commit
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.