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293 results for “suction”
Effectiveness of a suction device for containment of pathogenic aerosols and droplets
<p>This repository contains the raw data used to plot the figures in the following article:</p> <p>Kai Lordly, Ahmet E. Karataş, Steve Lin, Karthi Umapathy, and Rohit Mohindra, Effectiveness of a suction device for containment of pathogenic aerosols and droplets, PLOS ONE, 2024.</p>
Suction feeding turned on its head: a functional novelty facilitates lower jaw protrusion
<p>Functional novelties play important roles in creating new ways for organisms to access resources. In fishes, jaw protrusion has been attributed to the massive diversity of suction-based feeding systems, facilitating the dominant mode of prey capture in this group. Nearly all fishes that feed by suction use upper jaw protrusion, achieved by rotation of the mandible at its base, which then transmits forward motion to independently mobile upper jaw bones. In this study, by contrast, we explore an unusual form of lower jaw protrusion in the freshwater invertivore, <em>Nannocharax fasciatus</em>, enabled by a novel intramandibular joint (IMJ). We combine morphological, kinematic, and biomechanical data to show that the added mobility created by the IMJ influences the pattern of suction-based prey capture movements and contributes to lower jaw protrusion (increasing it by 25%, based on biomechanical modeling). Interestingly, the upper jaw bones are fused in <em>N. fasciatus</em> and rotate about a single fixed joint, like the lower jaws of most other suction feeding fishes. We suggest that this vertical inversion of the jaw protrusion mechanism for ventrally directed suction-feeding on benthic prey is a likely exaptation, as the IMJ is used for biting in related taxa. This work highlights the ability of novelties to facilitate ecological specialization by enabling new functional capabilities.</p>
Global soil water content (volumetric m³/m³) for 10kPa, 33kPa and 1500kPa suctions predicted at 4 depths (0, 30, 60, and 100 cm) at 1km resolution
<p>Volumetric soil water content (m³/m³) at 10 kPa, 33 kPa, and 1500 kPa suctions was predicted at four depths (0, 30, 60, and 100 cm) with a spatial resolution of 1 km. The maps of van Genuchten (vG) parameters from Gupta et al. (2022) were used to calculate the soil water content at these pressures, following Equation 1 from Gupta et al. (2022).</p> <p>References:</p> <ol> <li>Gupta, Surya, Papritz, Andreas, Lehmann, Peter, Hengl, Tomislav, Bonetti, Sara, & Or, Dani. (2022). Global maps of soil water characteristics parameters developed using the random forest in a Covariate-based GeoTransfer Functions (CoGTF) framework at 1 km resolution [Data set]. https://doi.org/10.5281/zenodo.6343570</li> </ol>
Elastic energy storage in seahorses leads to a unique suction flow dynamics compared to other actinopterygian
<p></p><p>Suction feeding is a dominant prey-capture strategy across actinopterygians, consisting of a rapid expansion of the mouth cavity that drives a flow of water containing the prey into the mouth. Suction feeding is a power-hungry behavior, involving the actuation of cranial muscles as well as the anterior third of the fish's swimming muscles. Seahorses, which have reduced swimming muscles, evolved a unique mechanism for elastic energy storage that powers their suction flows. This mechanism allows seahorses to achieve head rotation speeds that are 50 times faster than fish lacking such a mechanism. However, it is unclear how the dynamics of suction flows in seahorses differ from the conserved pattern observed across other actinopterygians, nor how differenced in snout length across seahorses affect these flows. Using flow visualization experiments, we show that seahorses generate suction flows that are 8 times faster than similar-sized fish, and that the temporal patterns of cranial kinematics and suction flows in seahorses differs from the conserved pattern observed across other actinopterygians. However, the spatial patterns retain the conserved actinopterygian characteristics, where suction flows impact a radially symmetric region of ∼1 gape diameter outside the mouth. Within seahorses, increases in snout length were associated with slower suction flows and faster head rotation speeds, resulting in a trade-off between pivot feeding and suction feeding. Overall, this study shows how the unique cranial kinematics in seahorses are manifested in their suction feeding performance, and highlights the trade-offs associated with their unique morphology and mechanics.</p><p></p>
Comparing Nasal Suction Devices in Children With Bronchiolitis: A Pilot Study
ClinicalTrials.gov study NCT02219334. IPD Sharing: NO. Countries: 1. Publications: 11.
Endotracheal Tube Suctioning Versus No Suctioning During Emergence From General Anesthesia
ClinicalTrials.gov study NCT07287293. IPD Sharing: NO. Countries: 1. Publications: 12.
Flexible Ureteroscopy With a Flexible and Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for 1-2 cm Lower Pole Kidney Stones
ClinicalTrials.gov study NCT07159035. IPD Sharing: NO. Countries: 1. Publications: 2.
Differences in Morbidity Between a Necessity Endotracheal Suctioning Protocol Versus a Routine Endotracheal Suctioning
ClinicalTrials.gov study NCT01069185. IPD Sharing: NO. Countries: 1. Publications: 1.
Oral Suction Intervention to Reduce Aspiration and Ventilator Events: NO-ASPIRATE
ClinicalTrials.gov study NCT02284178. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Reducing Aerosol and Bioaerosol Using Different Oral Suctions
ClinicalTrials.gov study NCT05848245. IPD Sharing: NO. Countries: 1. Publications: 1.
Suction Catheter as a Guide for Nasotracheal Intubation Under General Anesthesia
ClinicalTrials.gov study NCT05717907. IPD Sharing: NO. Countries: 1. Publications: 3.
Suction Cervical Stabilizer Compared to Standard Tenaculum for Intrauterine Procedures
ClinicalTrials.gov study NCT06193590. IPD Sharing: NO. Countries: 1. Publications: 1.
Closed Suction Drainage and Natural Drainage of the Pancreatic Duct in Pancreaticojejunostomy
ClinicalTrials.gov study NCT00679952. IPD Sharing: Not stated. Countries: 1. Publications: 4.
The Effects of Endotracheal Suctioning on Pain and Serum Markers
ClinicalTrials.gov study NCT06692400. IPD Sharing: YES. Countries: 1. Publications: 1.
Determine the Efficacy of Closed Suction Drain After Hydrocelectomy. (END Trial)
ClinicalTrials.gov study NCT04653402. IPD Sharing: YES. Countries: 1. Publications: 5.
Monitoring Eastern flower thrips and soybean thrips (Thysanoptera: Thripidae) and the generalist predator, insidious flower bug (Hemiptera: Anthocoridae) in the American Midwest Suction Trap Network
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Suction feeding turned on its head: a functional novelty facilitates lower jaw protrusion
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A new theoretical performance landscape for suction feeding reveals adaptive kinematics in a natural population of reef damselfish
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Influence of Ce content on the microstructure and thermal expansion properties of suction cast Al-Cu-Fe alloys
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Elastic energy storage in seahorses leads to a unique suction flow dynamics compared to other actinopterygian
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