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2,281 results for “laboratories”
Dataset: Laboratory experiments of hydrothermal convection
<p>Data, figures, and source codes associated with laboratory experiments for the study of hydrothermal convection.</p>
Heights of 22000+ GNSS stations on the surface from Nevada Geodetic Laboratory
<p>This dataset is a point dataset of height of 22000+ GNSS around the world. This dataset is used to validate GDEMM2024 dataset from <a href="https://www.nature.com/articles/s41597-024-03920-x#Sec3">E. Sinem Ince, Oleh Abrykosov and </a><a href="https://www.nature.com/articles/s41597-024-03920-x#Sec3">Christoph Förste (2024)</a>, and have a potential to validate land digital elevation model or serve as ground control points (GCPs) for georeference and statellite images correction. </p> <p><strong>Data process</strong></p> <p>Data are retrieved from the Nevada Geodetic Laboratory (NGL) (<a href="http://geodesy.unr.edu/index.php">http://geodesy.unr.edu/index.php</a>) as a .csv file, and we converted it to the geolocation in EPSG:4326</p> <p><strong>Files description</strong></p> <ul> <li>raw data from NGL website:<em><strong> goint_point.csv</strong></em></li> <li>altitude of gps station height<strong><em>: altitude_gnss_global_v2.geojson</em></strong></li> <li>juypternotebook to convert stations' height: <strong><em>generate_gnss_points.ipynb</em></strong></li> </ul> <p> </p> <p> </p>
Supplemental materials to "A Laboratory Analogy for Mixing by Shallow Cumulus Convection"
<p>These are the supplemental materials to the paper "A Laboratory Analogy for Mixing by Shallow Cumulus Convection" published in Journal of Fluid Mechanics. DOI: <span>10.1017/jfm.2025.173</span> </p> <ul> <li>code_raw_data_video_temperature.zip - The MATLAB postprocessing code, raw video, and raw temperature profile data.</li> <li>reference_exp_S3_evolution_show.mp4 - An introductory movie of the reference experiment (S3) with an illustration. </li> <li>change_heating_voltage_F1(speed_x_5.76)_F5.mp4 - A movie about experiments that change the heating power. Experiment F1 (left panel) is accelerated with a factor of 5.76.</li> <li>change_initial_thickness_T2_T4_T5_(all_speed_x_16).mp4 - A movie about experiments that change the initial thickness of the syrup layer. All experiments are accelerated with a factor of 16.</li> <li>change_syrup_concentration_S1_S3_S7_(all_speed_x_16).mp4 - A movie about experiments that change the initial syrup concentration. All experiments are accelerated with a factor of 16. </li> <li>derivation_note.pdf - A math derivation note for some equations in the manuscript.</li> </ul> <p>If you have any questions, please contact Dr. Hao Fu: haofu736@gmail.com; haofu@uchicago.edu </p>
Soil laboratory analyses data of organic, permaculture and conventional horticultural farms of Central Hungary
<p>pH (KCl 1:2,5) [-], Arany type texture index [K<sub>A</sub>], Water soluble total salt [m/m%], CaCO<sub>3 </sub>[m/m%], Humus [m/m%], N-NO<sub>2</sub>+NO<sub>3</sub> (KCl soluble) [mg/kg], Mg (KCl soluble) [mg/kg], S (KCl soluble) [mg/kg], K<sub>2</sub>O (AL soluble) [mg/kg], Na (AL soluble) [mg/kg], P<sub>2</sub>O<sub>5</sub> (AL soluble) [mg/kg], Cu (KCl EDTA soluble) [mg/kg] , Mn (KCl EDTA soluble) [mg/kg] , Zn (KCl EDTA soluble) [mg/kg]</p>
Los Alamos National Laboratory (LANL) Geosynchronous Particle Data for Di Matteo, S., et al., (2022)
<p>This repository holds data from a set of charged particle analyzers developed and operated by Los Alamos National Laboratory (LANL). The detectors have been hosted on a variety of satellites at geosynchronous orbit. The data are used in the following open access publication submitted to the Journal of Geophysical Research, Space Physics.</p> <p>Di Matteo, S., Villante, U., Viall, N. M., Kepko, L., & Wallace, S. (2021). On differentiating multiple types of ULF magnetospheric waves in response to solar wind periodic density structures. Earth and Space Science Open Archive, 59. Retrieved from <a href="https://doi.org/10.1002/essoar.10508935.1">https://doi.org/10.1002/essoar.10508935.1</a></p>
Are we contaminating our own laboratory experiments on microfibers?
<p>Data set of the publication 'Are we contaminating our own laboratory experiments on microfibers?'.</p> <p>Raw data and statistical analysis data of the study.</p>
Interaction between Cognitive style and Gender when using Virtual laboratories in the development of laboratory skills of the Health Collages in Covied 19
<p>Interaction between Cognitive style and Gender when using Virtual laboratories in the development of laboratory skills of the Health Collages in Covied 19</p>
Results of statistical analyses of the comparison of phosphorous measurement laboratory methods
<p>The study in the related article compares the phosphorus (P) analysis methods of ammonium lactate (AL), Mehlich 3 (M3); water extraction (P-WA(P)&P-WA(PO<sub>4</sub>)), cobalt hexamine (CoHex) and X-ray fluorescence (XRF, as an estimate of total soil P). The ratio of the P-content/XRF was calculated and compared with the whole dataset first. Based on the comparison of all the data there were significant differences between the results of P-WA(P) and P-WA(PO<sub>4</sub>) vs M3 and AL, CoHex vs M3 and CoHex vs AL methods (p<0.001). The influencing factors were also analysed for a more in-depth understanding of their role (CaCO<sub>3</sub>-content, pH, soil texture and clay content). The file contains the results of the statistical analyses.</p>
Laboratory evidence supporting a mechanical model describing the dynamic formation of fault damage asymmetry (data)
<p>Data from the paper: Laboratory evidence supporting a mechanical model describing the dynamic formation of fault damage asymmetry</p> <p>This document includes the after-analysis data, where, the variable "Log2by3M" for the relative magnitude of AE events in the catalog, "M" for the coordinates of sensors, "Mechanical" for the raw mechanical loading information before synchronization, "Notch" for the coordinate of the notch on the beam, "QuaLoc" for the source location and time. </p>
Laboratory capability Survey - Pesticides, VSCHT
<p>Pesticide analysis capabilities at University of Chemistry and Technology (VSCHT), Prague, Czech Republic</p>
Laboratory capability Survey - POPs in Food and Feed, VSCHT
<p>POPs analysis capabilities at University of Chemistry and Technology (VSCHT), Prague, Czech Republic</p>
Data for RSTA-2021-0255 - Modelling attenuation of irregular wave fields by artificial ice floes in the laboratory
<p>Data are from two independent experimental campaigns in 3D wave basins, which were conducted to investigate the interaction between surface waves and thin floating plates, mimicking the interaction between ocean waves and sea ice floes. </p> <p>One experiment tested irregular waves, including directional spreading, with two peak steepness values comparable to storm and polar cyclone conditions, interacting with a single square polypropylene floe, with length close to the dominant wavelength (scattering regime) -- data file Single_Plate.zip.</p> <p>The second experiment used arrays of wooden floes with low- and high-concentrations to test wave-floe interaction at a range of peak periods and peak wave steepness spanning from gentle to storm-like conditions -- data file MultipleDisks.zip.</p> <p>Both data files contains raw data, experimental matrix and experimental set.</p> <p>Data are fully described and analysed in a contribution to "Theory, modelling and observations of marginal ice zone dynamics: Multidisciplinary perspectives and outlooks" a special theme issue for Philosophical Transactions A: </p> <p>Toffoli A., Pitt J. P. A., Alberello A., Bennetts L.G., 2022. Modelling attenuation of irregular wave fields by artificial ice floes in the laboratory. Philos. T. Roy. Soc. A (submitted)</p> <p>Additional information on the data sets can be found in </p> <p>Bennetts LG, Alberello A, Meylan MH, Cavaliere C, Babanin AV, Toffoli A. 2015 An idealised experimental model of ocean surface wave transmission by an ice floe, Ocean Model. 96, 85–92 </p> <p>Bennetts LG, Williams TD. 2015 Water wave transmission by an array of floating discs, Proc. Roy. Soc. A 471, 20140698</p>
Differential Ablation of Organic Coatings from Micrometeoroids Simulated in the Laboratory
<p>The presented data are for an article entitled "Differential Ablation of Organic Coatings from Micrometeoroids Simulated in the Laboratory" that has been submitted for publication to <em>Journal of Geophysical Research - Planets</em>. </p> <p>The file ppy_ablation_data.csv contains the initial mass and initial velocity for each of the 22 PPy-coated olivine dust particle, <br> the gas target pressure, and the charges (in number of electrons) collected by the 16 charge collectors inside the gas target. <br> The value in column "Included" is set to "True" if the particle was among the 18 particles used to calculate charge yields and to fit the model in the article. File Impact_event.zip contains the final impact signals for each of the 22 particles. The impact signals are presented as voltage signals vs. time in CSV format. The units for all data are indicated in the column name. </p> <p> </p>
Raw Data for the article: Complete intra-laboratory validation of a LAL assay for bacterial endotoxin determination in EBV-specific cytotoxic T lymphocytes
<p>Endotoxin content is a critical factor that affects the safety of biological pharmaceutical products. International pharmacopoeias describe several reference methods to determine endotoxin levels in advanced therapy medicinal product (ATMP) preparations. Administration of ATMPs must be done as rapidly as possible to ensure complete viability and potency of the cellular product. To evaluate the endotoxin content in the shortest time possible, we chose to validate an alternative method based on the use of the Charles River Portable Testing System (PTS) and FDA-approved cartridges, compliant with the requirements of the European Pharmacopoeia and providing results in <20 min. Here, we describe a unique and complete validation approach for instrument, personnel, and analytical method for assessment of endotoxins in ATMP matrices. The PTS system provides high sensitivity and fast quantitative results and uses less raw material and accessories compared with compendial methods. It is also less time consuming and less prone to operator variability. Our validation approach is suitable for a validated laboratory with trained personnel capable of conducting the ATMP release tests, and with very low intra-laboratory variability, and meets the criteria required for an alternative approach to endotoxin detection for in-process and product-release testing of ATMPs.</p>
Fig. 2 in Observations On The Embryonic Development Of Trichuris Sylvilagi (Nematoda, Trichuridae) Under Laboratory Conditions
Fig. 2. Morphological indicators of death of Trichuris sylvilagi eggs during cultivation.
Data from: How well do embryo development rate models derived from laboratory data predict embryo development in sea turtle nests?
<p>Development rate of ectothermic animals varies with temperature. Here we use data derived from laboratory constant temperature incubation experiments to formulate development rate models that can be used to model embryonic development rate in sea turtle nests. We then use a novel method for detecting the time of hatching to measure the in situ incubation period of sea turtle clutches to test the accuracy of our models in predicting the incubation period from nest temperature traces. We found that all our models overestimated the incubation period. We hypothesize three possible explanations which are not mutually exclusive for the mismatch between our modeling and empirically measured in situ incubation period: (1) a difference in the way the incubation period is calculated in laboratory data and in our field nests, (2) inaccuracies in the assumptions made by our models at high incubation temperatures where there is no empirical laboratory data, and (3) a tendency for development rate in laboratory experiments to be progressively slower as temperature decreases compared with in situ incubation.</p>
Response of Plutella xylostella to the sublethal exposure of fluxametamide under laboratory conditions
<p>Data set generated during the laboratory experiments on toxicity of fluxametamide against diamondback moth <em>Plutella xylostella</em>, and its sublethal effects on life table parameters of this pest. Fluxametamide exhibited an exceptional insecticidal activities against the larval stages of <em>Plutella xylostella</em>. This is a raw data set with the replication for each treatments. </p>
Data from: Encoding laboratory testing data: case studies of the national implementation of HHS requirements and related standards in five laboratories
<p><strong>Objective</strong>: Assess the effectiveness of providing Logical Observation Identifiers Names and Codes (LOINC®)-to-In Vitro Diagnostic (LIVD) coding specification, required by the United States Department of Health and Human Services for SARS-CoV-2 reporting, in medical center laboratories and utilize findings to inform future United States Food and Drug Administration policy on the use of real-world evidence in regulatory decisions.</p> <p><strong>Materials and Methods</strong>: We compared gaps and similarities between diagnostic test manufacturers' recommended LOINC® codes and the LOINC® codes used in medical center laboratories for the same tests.</p> <p><strong>Results</strong>: Five medical centers and three test manufacturers extracted data from laboratory information systems (LIS) for prioritized tests of interest. The data submission ranged from 74 to 532 LOINC® codes per site. Three test manufacturers submitted 15 LIVD catalogs representing 26 distinct devices, 6956 tests, and 686 LOINC® codes. We identified mismatches in how medical centers use LOINC® to encode laboratory tests compared to how test manufacturers encode the same laboratory tests. Of 331 tests available in the LIVD files, 136 (41%) were represented by a mismatched LOINC® code by the medical centers (chi-square 45.0, 4 df, P &lt; .0001).</p> <p><strong>Discussion</strong>: The five medical centers and three test manufacturers vary in how they organize, categorize, and store LIS catalog information. This variation impacts data quality and interoperability. </p> <p><strong>Conclusion</strong>: The results of the study indicate that providing the LIVD mappings was not sufficient to support laboratory data interoperability. National implementation of LIVD and further efforts to promote laboratory interoperability will require a more comprehensive effort and continuing evaluation and quality control.</p>
Laboratory Package: Efficient consumption between GraphQL API Wrappers and REST API
<p>The laboratory package contains the data set of the national results regarding Internet shopping behavior in Ecuador 2020. </p>
Data supporting On the step type of continuous propagating positive leader in laboratory-scale long spark discharges
<p>The data supports the manuscript entitled "On the step type of continuous propagating positive leader in laboratory-scale long spark discharges". The *.txt file contains the applied voltage waveform and discharge current waveform. The*.doc file contains the data for Figure 5. The *.rar file contains the high-speed video frames, and can be decompressed and opened. The data can be used freely for scientific purposes with appropriate citation.</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.