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63 results for “water detection”
Experimental and model-based investigation of the effect of the free- surface flow regime on the detection threshold of warm water inflow
<p>Experimental and numerical injections of warm water into a free surface flow. Different flow regimes were tested and detection thresholds were determined.</p> <p>Experiments were done in an outdoor flume, in June 2016. They were monitored by Fiber-Optic Distributed Temperature Sensing with a double-ended configuration and 20s time resolution. Two flume flow rates Q were tested. For each, a few injection flow rates were done, leading to a total of 10 experiments characterized by an injection ratio R. Only calibrated data are uploaded.</p> <p>Simulations were carried out on HEC-RAS 5.0, a 1D software developed by the US Army Corps of Engineers, and based on the experimental flume geometry. A total of 90 simulations were tested with different flow rates, injection percentage and thermal contrast ∆T between flowing water and injected water.</p> <p>Supplementary data can be found to understand the flume geometry, hydraulic characteristics (Reynolds, Peclet and Froude numbers) and exchanges with the atmosphere for both simulations and experiments.</p>
An L-cysteine based sensor for Cu2+ detection applicable for both environmental water and human serum
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African elephants can detect water from natural and artificial sources via olfactory cues
<p>Water is vital for mammals. Yet, as ephemeral sources can be difficult to find, it raises the question, how do mammals locate water? Elephants (<i>Loxodonta africana</i>) are water-dependent herbivores that possess exceptional olfactory capabilities, and it has been suggested that they may locate water via smell. However, there is no evidence to support this claim. To explore this, we performed two olfactory choice experiments with semi-tame elephants. In the first, we tested whether elephants could locate water using olfactory cues alone. For this, we used water from two natural dams and a drinking trough utilised by the elephants. Distilled water acted as a control. In the second, we explored whether elephants could detect three key volatile organic compounds (VOCs) commonly associated with water (geosmin, 2-methylisoborneol, and dimethyl sulphide). We found that the elephants could locate water olfactorily, but not the distilled water. Moreover, they were also able to detect the three VOCs associated with water. However, these VOCs were not in the odour profiles of the water sources in our experiments. This suggests that the elephants were either able to detect the unique odour profiles of the different water sources or used other VOCs that they associate with water. Ultimately, our findings indicate that elephants can locate water olfactorily at small spatial scales, but the extent to which they, and other mammals, can detect water over larger scales (e.g. km) remains unclear.</p>
Targeted and passive environmental DNA approaches outperform established methods for detection of quagga mussels, Dreissena rostriformis bugensis in flowing water
<ol> <li>The early detection of invasive non-native species (INNS) <span><span>is important for informing management actions</span></span>. Established monitoring methods require the collection or observation of specimens, which is unlikely at the beginning of an invasion when densities are likely to be low. Environmental DNA (eDNA) analysis is a highly promising technique for the detection of INNS – particularly during the early stages of an invasion. </li> <li>Here, we compared the use of traditional kick-net sampling with two eDNA approaches (targeted detection using both conventional and quantitative PCR, and passive detection via metabarcoding with conserved primers) for detection of quagga mussel, <i>Dreissena rostriformis bugensis;</i> a high priority INNS, along a density gradient on the River Wraysbury, UK. </li> <li>All three molecular tools outperformed traditional sampling in terms of detection. Conventional PCR and qPCR both had 100% detection rate in all samples, and outperformed metabarcoding when the target species was at low densities. Additionally, quagga mussel DNA copy number (qPCR) and relative read count (metabarcoding) were significantly influenced by both mussel density and distance from source population, with distance being the most significant predictor. </li> <li> <i>Synthesis and application.</i> All three molecular approaches were more sensitive than traditional kick-net sampling for the detection of the quagga mussel in flowing water, and both qPCR and metabarcoding enabled estimates of relative abundance. Targeted approaches were more sensitive than metabarcoding, but metabarcoding has the advantage of providing information on the wider community, and consequently impacts of INNS. </li> </ol>
Supplementary material 2 from: Villacorta-Rath C, Lach L, Andrade-Rodriguez N, Burrows D, Gleeson D, Trujillo-González A (2023) Invasive terrestrial invertebrate detection in water and soil using a targeted eDNA approach. NeoBiota 83: 71-89. https://doi.org/10.3897/neobiota.83.98898
Additional qPCR results
Supplementary material 1 from: Villacorta-Rath C, Lach L, Andrade-Rodriguez N, Burrows D, Gleeson D, Trujillo-González A (2023) Invasive terrestrial invertebrate detection in water and soil using a targeted eDNA approach. NeoBiota 83: 71-89. https://doi.org/10.3897/neobiota.83.98898
Invasive terrestrial invertebrate detection in water and soil using a targeted eDNA approach
Detection of the Effect of Irrigation Fluid on Extravascular Lung Water in Patients Undergoing TRUP Using Bedside Lung Ultrasound
ClinicalTrials.gov study NCT06220734. IPD Sharing: UNDECIDED. Countries: 0. Publications: 2.
Data from: Detecting an elusive invasive species: a diagnostic PCR to detect Burmese python in Florida waters and an assessment of persistence of environmental DNA
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African elephants can detect water from natural and artificial sources via olfactory cues
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Targeted and passive environmental DNA approaches outperform established methods for detection of quagga mussels, Dreissena rostriformis bugensis in flowing water
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Validation of an eDNA-based method for the detection of wildlife pathogens in water
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High-throughput transcriptomics of water extracts detects reductions in biological activity with water treatment processes
GEO Series GSE252117. Homo sapiens. 510 samples. Type: Expression profiling by high throughput sequencing.
Detection of Active Transposable Elements using Mobilome-seq on Poplar WT and ddm1 meristems in water stress conditions
GEO Series GSE147934. Populus tremula x Populus alba. 6 samples. Type: Other.
Real-Time Early Detection and Monitoring of Flooding Using Low-Cost Highly Sensitive Ultrasound Sensing of Water Level
<p>Flooding poses safety hazards to motorists, emergency and maintenance crews and may cause costly damage to transportation infrastructure and its operation. Flash flooding, in particular, causes the most flood-related deaths According to NOAA, in 2017 alone, flash flooding also caused $60.7 billion worth of economic damage. Low-water crossings are among the first places where deaths and significant damages to vehicles occur during flooding. With flash flooding, when a critical corridor is blocked by a high level of water, it affects the safety of the general public. To keep the critical corridors open as long as possible, and to minimize losses from flooding, accurate early detection of the rising water level is essential. The flood level detection system has to have flood stage maps in the geographic information system for the street-, roadway-, and critical-freight corridors. This area encompasses public roads in urbanized areas that provide access and connection to the primary roads for ports, public transportation or other transportation facilities. The main goal of this project is to develop cost-effective and high efficient solar-powered water level detection units and implement real-time water level monitoring for water both pavement and river stream. The project was performed with three objectives: to develop the low cost reliable real-time data of the ultrasound water level detection system, increasing its data reliability and resolution; 2) to improve an energy-saving processing system; and to deploy the ultrasound water level detection system and real-time monitoring system for water both pavement and river stream for safety measures. The obtained results and findings imply the developed monitoring system can present reliable water level data with efficient power and data transmission system.</p>
Lung Ultrasound Versus Cardiometry in Detection of Extravascular Lung Water in Pediatric Patients on Hemodialysis.
ClinicalTrials.gov study NCT05943717. IPD Sharing: NO. Countries: 1. Publications: 0.
Water-assisted Colonoscopy vs Second Forward View Examination of the Right Colon on Adenoma Detection
ClinicalTrials.gov study NCT03416322. IPD Sharing: Not stated. Countries: 1. Publications: 0.
The Effects of the Water-exchanged Colonoscopy on Adenoma Detection Rate
ClinicalTrials.gov study NCT02135601. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Adenoma Detection Rate in Water and Air Colonoscopy Using Computer-aided System
ClinicalTrials.gov study NCT05448300. IPD Sharing: Not stated. Countries: 2. Publications: 0.
Detection of Patients With Abnormal Water Distribution Based on Bioelectrical Impedance Analysis (BIA)
ClinicalTrials.gov study NCT01481311. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Lung Ultrasound in Detection of Extravascular Lung Water in Septic Patients.
ClinicalTrials.gov study NCT03676699. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
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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.