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32 results for “mass testing”
Raw data of eDNA quantities from an experimental study testing temperature, water masses, and fish species
<p>Environmental DNA (eDNA) is a very promising approach to facilitate and improve the aquatic species monitoring, which is crucial for their management and conservation. In comparison with the plethora of monitoring studies in the fields, relatively few studies have focused on experimentally investigating the "ecology" of eDNA, in particular pertaining to processes influencing the detection of eDNA. The paucity of knowledge about its ecology hampers the use of eDNA analysis to its full potential. In this study, we experimentally evaluated the impact of several biotic and abiotic factors on the rate of production and degradation of eDNA. Individuals of three freshwater fish species (brown bullhead, tench, and yellow perch) with distinct ecology were placed in two types of water from the St. Lawrence River (Québec, Canada) with very distinct physicochemical characteristics and at three different temperatures. Water samples were then filtered at predetermined time intervals, and quantitative PCR was used to quantify the eDNA in each sample. We found that temperature, species, water types, and some interactions between these factors had a strong effect on the production and degradation of eDNA. The results of this study enhance our knowledge about the ecology of eDNA, thus improving eDNA data interpretation.</p>
Data from: A geographic test of species selection using planktonic foraminifera during the Cretaceous/Paleogene mass extinction
Species selection has received a great deal of theoretical attention but it has rarely been empirically tested. It is important to determine the level of selection that operated during a particular extinction event because it can help distinguish between traits that were actually responsible for extinction and those that were merely correlated with it. Here, we present a test that can help distinguish between organismal and species-level selection, which we demonstrate using the high-resolution fossil record of planktonic foraminifera species recorded in deep-sea sediment cores. Our test examines the fate of survivors and victims during the Cretaceous/Paleogene (K/Pg) mass extinction within single geographic regions, where all individuals experience the same selection pressures. Selection at the organismal level implies that individual members of surviving species are more fit than those of victimized species, and therefore should be more likely to survive in affected areas; conversely, selection at the species level implies individuals will suffer equally within an affected area. We find that survivors of the mass extinction suffered very high extirpation rates in cores where the overall extinction rate was high, indicating that individual members of the surviving species were generally no more fit than individual members of extinct species. Rather, these species were able to survive because they possessed advantageous species-level traits, such as larger geographic ranges and greater abundances than victimized species. This geographic pattern of extirpation suggests that selection operated at the species, rather than organismal, level during the K/Pg mass extinction of planktonic foraminifera.
A Study to Test if Trevogrumab or Trevogrumab With Garetosmab When Taken With Semaglutide is Safe and How Well They Work in Adult Patients With Obesity for Weight Loss, Fat Loss, and Lean Mass Preserv
ClinicalTrials.gov study NCT06299098. IPD Sharing: YES. Countries: 2. Publications: 0.
Raw data of eDNA quantities from an experimental study testing temperature, water masses, and fish species
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Data from: Effectiveness of diagnostic screening tests in mass screening for COPD using a cooperative regional system in a region with heavy air pollution: a cross-sectional study
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Data from: A geographic test of species selection using planktonic foraminifera during the Cretaceous/Paleogene mass extinction
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Detection of Acetylsalicylic Acid and Omega-3 Fatty Acids in Schirmers' Test Strips Using Mass Spectrometry
ClinicalTrials.gov study NCT05775536. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Investigation of Mass Balance of the Test Drug and Major Metabolites
ClinicalTrials.gov study NCT00432302. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Testing the Gravitostat in Humans: the Impact of a Weighted Vest in Patients Post Bariatric Surgery on Fat-free Mass Retention and Weight Loss
ClinicalTrials.gov study NCT04809129. IPD Sharing: NO. Countries: 1. Publications: 0.
A Study to Test How Different Doses of BI 456906 Are Tolerated in Japanese Men With a Body Mass Index (BMI) Between 23 and 40 kg/m2
ClinicalTrials.gov study NCT04384081. IPD Sharing: NO. Countries: 1. Publications: 0.
The Effects of Sex, Body Mass Index, Day-to-Day Subject Variability for the ProLung Test and Variability of a Single Device When Volume-Averaged Thoracic Bioconductance is Measured With the ProLung Te
ClinicalTrials.gov study NCT03993028. IPD Sharing: Not stated. Countries: 0. Publications: 0.
Antigen Rapid Test Screening to Prevent SARS-CoV-2 Transmission (COVID-19) at Mass Gathering Events.
ClinicalTrials.gov study NCT04898127. IPD Sharing: YES. Countries: 0. Publications: 0.
ScienceDex guides
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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.