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131 results for “standard tests”
Interlaboratory testing of CuSO4 toxicity in the “Standardized Aquatic Microcosm” protocol consisting of multiple phytoplankton and animals in a chemically defined medium.
Four different laboratories conducted a total of ten experiments of the “Standardized Aquatic Microcosm” to test the reproducibility of results to control, low, medium, and high concentrations of CuSO4. In nine experiments, treatments consisted of six replicates of 0, 500, 1000, and 2000 ppb Cu++. One experiment, ME74, used 0, 127, 255, 509 ppb. The purpose was to test a chemically defined medium (thus negating differences due to local water supplies) and the same 10 species of phytoplankton and 5 animals, including Daphnia. Microbes were undefined. The protocol included the weekly re-introduction of small numbers of each species to allow potential recovery from toxicity. Control microcosms had a “spring algal bloom” terminated by zooplankton grazing and multiple competitive interactions. The copper inhibited some phytoplankton more than others and killed many grazers, especially Daphnia. The data set presented several interesting statistical properties that would yield new insights. (a) The results were very similar, but the timing varied— the higher the concentration of copper, the longer the inhibition and mortality of organisms, so those at 500 ppb recovered earlier, the 1000 ppb recovered later, and at 2000 ppb most never recovered. But if compared on each sampling day, e.g., 10, 14, … to 64, results appear highly variable. (b) In at least one experiment, the toxicity of copper was challenging to demonstrate statistically because high variability in the timing of recovery of the intermediate concentration increased pooled variances. (c) The elimination of highly-sensitive dominant organisms allowed less-sensitive organisms to increase in abundance. Within natural environments, the observation that some species increase in the presence of toxic substances has been used to discredit toxicity testing without considering the relative sensitivities of competing or predatory species. (d) The competitive interactions among organisms, e.g., cyanobacteria and green alga
Gold standard for tractograms and meshes io testing
<p>Gold standard for tractograms (<em>trk, tck, trx, dpy, vtk, fib</em>) and meshes (<em>gii, pial, vtk, ply, stl, obj</em>) IO testing for the StatefulTractogram (SFT) and StatefulSurface (SFS) in Dipy.</p>
Standard Distributions of Blood Tests for Public Use
<p>This dataset is the distribution parameters obtained by approximating the distribution of blood test values taken from inpatients in a Japanese hospital by a lognormal distribution or an exponential distribution. </p> <p>The parameters P1, P2 and P3 of the lognormal distribution are used in the following equation.<br> P1*exp(-(ln(x/P2)/P3)^2)</p> <p>The parameters P1 and P2 of the exponential distribution are used in the following.<br> P1*exp(-P2*x)</p> <p>This file is CSV with UTF-8 charset, and the columns are as follows.</p> <p>---<br> Test name<br> Test name in Japanese<br> Unit of the value<br> Distribution type (LogNormal or Exp)<br> P1<br> P2<br> P3<br> P1 Error(1sigma)<br> P2 Error(1sigma)<br> P3 Error(1sigma)<br> Number of data points used to make this distribution<br> Bin width used to make the distribution<br> ---</p> <p>Any researchers can use this dataset without privacy issues.<br> CC BY-NC 4.0<br> </p>
Data of "Durability of self-healing cementitious systems with encapsulated polyurethane evaluated with a new pre-standard test method"
<p>The dataset found here is related to the crack width measurements and water permeability tests performed in a study investigating the durability of self-healing cementitious systems with encapsulated polyurethane evaluated with a new pre-standard test method.</p>
Development of standardized definitions for Combined and Composite High Voltage Tests
<p>Driven by the increasing demands on traceable measurement systems and calibration services, being able to fully cover the required needs, a large number of NMIs have put a great effort on the development of standardized wave shapes definitions, low voltage calibrators, measuring instruments and software for combined and composite high voltage tests. The European Metrology Programme for Innovation and Research (EMPIR) supports this work through the normative Joint Research Project 19NRM07 HV-com², which started in 2020 and has received funding from the EMPIR co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation program. </p>
Dataset to: Realistic accelerated stress tests for PEM fuel cells: Test procedure development based on standardized automotive driving cycles
<p>This is the dataset to the published article "Realistic accelerated stress tests for PEM fuel cells: Test procedure development based on standardized automotive driving cycles" (DOI: 10.1016/j.ijhydene.2023.08.292) in which the degradation of two commercial PEM fuel cell stacks was analyzed. <strong>Please cite this publication if you use the dataset in a publication as follows</strong>:</p> <p>P. Thiele, Y. Yang, S. Dirkes, M. Wick, S. Pischinger, Realistic accelerated stress tests for PEM fuel cells: Test procedure development based on standardized automotive driving cycles, Int. J. Hydrogen Energy 52 (Part D) (2024) 1065–1080, https://doi.org/10.1016/j.ijhydene.2023.08.292.</p>
Standardized on-road tests assessing fitness-to-drive in people with cognitive impairments: a systematic review
<p>Data repository for a systematic review concerning on-road tests. Are included the following data :</p> <ul> <li>items and scoring system</li> <li>risk of bias assessment</li> <li>summary of findings</li> <li>the complete search strategy</li> </ul>
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>
LMAS Test Dataset - BMock12 Community Standards
<p>The twelve bacterial replicons of the <a href="https://www.nature.com/articles/s41597-019-0287-z#Abs1">BMock12 Community Standards</a> were used as reference. It includes the following strains:</p> <table> <thead> <tr> <th>Species</th> <th>Sample ID</th> <th>Depth of Coverage (x)</th> </tr> </thead> <tbody> <tr> <td>Muricauda sp. ES.050</td> <td>2615840527</td> <td>618.76</td> </tr> <tr> <td>Thioclava sp. ES.032</td> <td>2615840533</td> <td>78.32</td> </tr> <tr> <td>Cohaesibacter sp. ES.047</td> <td>2615840601</td> <td>170.59</td> </tr> <tr> <td>Propionibacteriaceae bacterium</td> <td>2615840646</td> <td>31.90</td> </tr> <tr> <td>Marinobacter sp. LV10R510-8</td> <td>2615840697</td> <td>447.83</td> </tr> <tr> <td>Marinobacter sp. LV10MA510-1</td> <td>2616644829</td> <td>135.05</td> </tr> <tr> <td>Psychrobacter sp. LV10R520-6</td> <td>2617270709</td> <td>425.47</td> </tr> <tr> <td>Micromonospora echinaurantiaca</td> <td>2623620557</td> <td>14.91</td> </tr> <tr> <td>Micromonospora echinofusca</td> <td>2623620567</td> <td>18.19</td> </tr> <tr> <td>Micromonospora coxensis</td> <td>2623620609</td> <td>0.02</td> </tr> <tr> <td>Halomonas sp. HL-4</td> <td>2623620617</td> <td>507.08</td> </tr> <tr> <td>Halomonas sp. HL-93</td> <td>2623620618</td> <td>579.87</td> </tr> </tbody> </table> <p>The raw sequence data of the mock communities, with an even distribution of species, is available at:</p> <ul> <li><a href="https://www.ebi.ac.uk/ena/browser/view/SRR8073716?show=reads">SRR8073716</a></li> </ul> <p>For the sake of a less resource-intense evaluation we downsampled to have 20% of the reads available in the original sample and further processed only these. The main challenges of this data set are possibly to assemble the genomes of the three <em>Micromonospora</em> spp. and the two <em>Halomonas</em> spp. strains, which have an ANIb >0.84 and 0.98, respectively. The two <em>Marinobacter</em> spp. have an ANIb of 0.78.</p>
LMAS Test Dataset - ZymoBIOMICS Microbial Community Standards
<p>The <a href="https://zenodo.org/record/4588970#.YEeA83X7RhE">eight bacterial genomes and four plasmids of the ZymoBIOMICS Microbial Community Standards</a> were used as reference. It contains tripled complete sequences for the following species:</p> <ul> <li><em>Bacillus subtilis</em></li> <li><em>Enterococcus faecalis</em></li> <li><em>Escherichia coli</em> <ul> <li><em>Escherichia coli</em> plasmid</li> </ul> </li> <li><em>Lactobacillus fermentum</em></li> <li><em>Listeria monocytogenes</em></li> <li><em>Pseudomonas aeruginosa</em></li> <li><em>Salmonella enterica</em></li> <li><em>Staphylococcus aureus</em> <ul> <li><em>Staphylococcus aureus</em> plasmid 1</li> <li><em>Staphylococcus aureus</em> plasmid 2</li> <li><em>Staphylococcus aureus</em> plasmid 3</li> </ul> </li> </ul> <p>It also downloads the raw sequence data of the mock communities, with an even and logarithmic distribution of species:</p> <ul> <li><a href="https://www.ebi.ac.uk/ena/browser/view/ERR2984773">ERR2984773</a> - Evenly distributed real sample</li> <li><a href="https://www.ebi.ac.uk/ena/browser/view/ERR2935805">ERR2935805</a> - Log distributed real sample</li> </ul> <p>A set of simulated samples were generated from the genomes in the ZymoBIOMICS standard though the <a href="https://github.com/HadrienG/InSilicoSeq">InSilicoSeq sequence simulator</a> (version 1.5.2), including both even and logarithmic distribution, with and without Illumina error model. The number of read pairs generated matches the number of read pairs in the real data for each distribution. The following samples are available in Zenodo:</p> <ul> <li><strong>ENN</strong> - Evenly distributed sample with no error model</li> <li><strong>EMS</strong> - Evenly distributed sample with Illumina MiSeq error model</li> <li><strong>LNN</strong> - Log distributed sample with no error model</li> <li><strong>LHS</strong> - Log distributed sample with Illumina HiSeq error model</li> </ul> <p><a href="https://doi.org/10.5281/zenodo.4588970">DOI Dataset</a></p>
GCAM-China-v6 standard test scenarios (Mar 2024)
<p>GCAM-China-v6 test scenarios, including a reference scenario and a net-zero scenario till 2100.</p> <p>These are xml outputs of original scenarios, users can import them into GCAM scenario database using the "import scenario" function in model interface.</p>
Divide and Remaster v3: Standard German Validation & Test Set
<p>Divide and Remaster v3 is a multilingual rework of the Divide and Remaster v2 dataset by Pétermann et al.</p> <p>This repository contains the <strong>metadata, validation set audio, and test set audio of the</strong> <strong>Standard German variant </strong>of DnR v3.</p> <p>The major changes from DnR v2 are as follows:</p> <ul> <li>the dialogue stem now contains content from more than 30 languages across various language families;</li> <li>speech, vocals, and/or vocalizations have been removed from the music and effects stems;</li> <li>loudness and timing parametrization have been adjusted to approximate the distributions of real cinematic content;</li> <li>the mastering process now preserves relative loudness between stems and approximates standard industry practices.</li> </ul> <p>See the linked GitHub repository for more details.</p>
Improved estimation of the prevalence of bovine cysticercosis and the diagnostic test characteristics in the absence of a reference standard using Bayesian Latent Class models, the example of Jimma and Ambo Abattoirs, Ethiopia
<p>Bovine cysticercosis is an infection of cattle musculature with the cestode parasite of humans known as Taenia saginata. This bovine cysticercosis data was collected from two Ambattoirs in Ethiopia namely Ambo and Jimma. Dissection of the predilection site, Ag-ELISA, and meat inspection were the diagnostic methods employed. Cysticerci collected during dissection of the predilection site were also confirmed using multiplex PCR. </p>
Development of a Standard Test Method for Characterization of Asphalt Modifiers and Aging-Related Degradation Using an Extensional Rheometer
<p>Corresponding data set for Tran-SET Project No. 17BLSU01. Abstract of the final report is stated below for reference:</p> <p>"An extensional deformation test method using a Sentmanat Extensional Rheometer (SER) fixture inside a Dynamic Shear Rheometer (DSR) is developed in this study to investigate the degradation of the polymer due to aging and to investigate the effect of modifier type. A relationship between different percentages of modifier and ductility of the modified binder is also investigated. The sample geometrics used in this study are 1 mm 0.72 mm and 3 mm 0.72 mm. A total of one hundred and sixty-two samples were tested. Three modifiers Styrene-Butadiene-Styrene (SBS), Polyphosphoric Acid (PPA) and latex were used. One PG 76-22, one PG 64-22 and one polymer-modified asphalt emulsion (PAME) were used. First peak elongation force, (F1) is the binders’ stiffness and Second peak elongation force, (F2) is the polymer characteristics. F2 is more visible comparatively at the higher temperature. In most cases, F2 reduces after Rolling Thin Film Oven (RTFO) and Pressure Aging Vessel (PAV) aging. To normalize the stiffness effect of F1 on F2, in this study F2/F1 was used to analyze aging susceptibility of modifiers. All the testing temperatures used in this study exhibited a reduction in F2/F1 due to RTFO aging and further reduction due to PAV aging. Therefore, through this study, it is recommended that this parameter can be used to determine aging susceptibility of polymer in a polymer-modified asphalt binder. F2 is only obtained from the SBS and latex modified binders and emulsions. Addition of PPA did not show any F2, making SBS the most effective modifier among SBS, PPA and latex. F2 has a linear correlation with the percent of the polymer in the PMAE, SBS modified PG 64-22, SBS and PPA modified PG 64-22 and latex modified PG 64-22 with R2 values equal to 0.9934, 0.9323, 0.9893 and 0.9535 respectively, indicating extensional deformation test with SER very promising. Ductility analyses using final angular strain values indicate that modifiers increase ductility significantly while aging reduces ductility. Additional research is required for testing ultra-violet (UV) aged sample, and a DSR-based SER test specification will be developed subsequently."</p>
Data for: Are immigrants outbred and unrelated? Testing standard assumptions in a wild metapopulation
<p><span>Immigration into small recipient populations is expected to alleviate inbreeding and increase genetic variation, and hence facilitate population persistence through genetic and/or evolutionary rescue. Such expectations depend on three standard assumptions: that immigrants are outbred, unrelated to existing natives at arrival, and unrelated to each other. These assumptions are rarely explicitly verified, including in key field systems in evolutionary ecology. Yet, they could be violated due to non-random or repeated immigration from adjacent small populations. We combined molecular genetic marker data for 150-160 microsatellite loci with comprehensive pedigree data to test the three assumptions for a song sparrow (<i>Melospiza melodia)</i> population that is a model system for quantifying effects of inbreeding and immigration in the wild. Immigrants were less homozygous than existing natives on average, with mean homozygosity that closely resembled outbred natives. Immigrants can therefore be considered outbred on the focal population scale. Comparisons of homozygosity of real or hypothetical offspring of immigrant-native, native-native and immigrant-immigrant pairings implied that immigrants were typically unrelated to existing natives and to each other. Indeed, immigrants' offspring would be even less homozygous than outbred individuals on the focal population scale. The three standard assumptions of population genetic and evolutionary theory were consequently largely validated. Yet, our analyses revealed some deviations that should be accounted for in future analyses of heterosis and inbreeding depression, implying that the three assumptions should be verified in other systems to probe patterns of non-random or repeated dispersal and facilitate precise and unbiased estimation of key evolutionary parameters.</span></p>
Standard Chemotherapy vs. Chemotherapy Guided by Cancer Stem Cell Test in Recurrent Glioblastoma
ClinicalTrials.gov study NCT03632135. IPD Sharing: NO. Countries: 1. Publications: 4.
Lisdexamfetamine Dimesylate (LDX) Pilot Cognition Study to Evaluate the Utility of a Standardized Battery of Tests in Adults With Attention-Deficit Hyperactivity Disorder (ADHD)
ClinicalTrials.gov study NCT01010750. IPD Sharing: Not stated. Countries: 1. Publications: 1.
A Clinical Trial Testing The Efficacy Of Crizotinib Versus Standard Chemotherapy Pemetrexed Plus Cisplatin Or Carboplatin In Patients With ALK Positive Non Squamous Cancer Of The Lung
ClinicalTrials.gov study NCT01154140. IPD Sharing: Not stated. Countries: 31. Publications: 7.
A Clinical Study to Test How Effective and Safe GLPG1690 is for Participants With Idiopathic Pulmonary Fibrosis (IPF) When Used Together With Standard of Care
ClinicalTrials.gov study NCT03733444. IPD Sharing: NO. Countries: 15. Publications: 4.
A Clinical Study to Test How Effective and Safe GLPG1690 is for Subjects With Idiopathic Pulmonary Fibrosis (IPF) When Used Together With Standard of Care
ClinicalTrials.gov study NCT03711162. IPD Sharing: NO. Countries: 15. Publications: 3.
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.