Articles tagged with Fluids
Spanish researchers have confirmed how hot water freezes faster than cold water in granular fluids, a phenomenon known as the Mpemba effect. They also found that the opposite effect can occur: coldest liquids can heat up faster.
Researchers at Rosalind Franklin University are investigating a new approach to treating patients with both severe bleeding and traumatic brain injury (TBI). The study aims to find a way to stabilize patients with vasopressin or similar compounds, while maintaining blood flow to vital organs.
A new 3D-printed device produces nanofiber meshes with reduced variation in diameters, making it suitable for various applications such as tissue engineering, water filtration, and body armor. The device's design flexibility and fast iteration capabilities make it a promising technology for commercialization.
Researchers from Poland and USA develop new model of quark-gluon plasma, finding it to be much less viscous than expected. The anisotropic hydrodynamics model shows promising results, with improved accuracy in describing the phenomenon.
A University of Colorado Boulder study found more than 1,800 earthquakes in southern Colorado and northern New Mexico between 2008 and 2010 were likely caused by fluids pumped deep underground during oil and gas wastewater disposal. Elevated pore pressures in the basement rock underlie the Raton Basin's oldest stratified layers.
Researchers at Rice University have created a platform to study polymer folding dynamics using magnetic beads. The new method allows for the observation of complex behaviors, such as bending and coiling, in semiflexible fibers like actin and DNA.
Scientists developed a hydrogel that detects nitric oxide and absorbs excess fluids, delivering drugs to treat rheumatoid arthritis. The gel uses acrylamide as a base material and NOCCL crosslinker to trap drug molecules.
A study published at IDWeek 2017 suggests that women with frequent urinary tract infections (UTIs) can reduce their risk by increasing their daily water intake. The research found that those who drank an additional three pints of water a day were nearly half as likely to get UTIs compared to those who didn't.
Researchers at UTA and Wadia Institute of Himalayan Geology discovered the generation of H2, O2, H2O, and CO2 in the Earth's mantle, shedding new light on planetary evolution. The study also found that deep mantle upwelling can oxidize fluids to produce water and carbon dioxide.
Researchers from Russia and Italy have created a more accurate method to solve Navier-Stokes equations for incompressible plane motion. The new scheme allows for efficient numerical solutions and has been verified through computing experiments, outperforming existing methods in terms of precision and stability.
Researchers at Berkeley Lab have created a new two-dimensional film that can direct non-mixing liquids into exotic architectures, offering potential for soft robotics, liquid circuitry and energy conversion. The 'bijel' substance is made of polymers and nanoparticles and has been simplified to be easier to produce.
Researchers have developed a framework to identify key patterns that precede extreme events in complex systems. The method combines equations and data analysis to predict precursors, achieving high accuracy rates in simulations.
Researchers used high-speed photography to study the formation of small bubbles in liquids, which can cause destructive shockwaves and potentially lead to brain trauma. The team developed an alternative formula to predict when cavitation will occur, with potential applications for athletic safety devices and military blast protection.
Researchers found that a synthetic peptide called TIP strengthens the barrier function of lung capillaries, preventing fluid accumulation and potential deadly complications. The study suggests a promising strategy for reducing dangerous fluid volume in lungs, particularly for vulnerable populations like children under five.
A recent study published in Nature investigated the Alpine Fault of New Zealand, revealing unusual heat generation and fluid movement. The research team drilled to a depth of 893m into the active fault, discovering a pressure gradient almost 10% greater than expected, and temperature gradients typical of active volcanic regions.
Researchers found that angled hairs can affect fluid flow, slowing it down like a grate. This discovery may help illuminate the role of hairy surfaces in the body and enable the design of new microfluidic devices.
The University of Nevada, Reno is starting a drilling campaign to test its geothermal exploration strategies in the Great Basin region. The project aims to identify new, economically viable geothermal systems and reduce risks for commercial electricity production.
Researchers found that populations of males who have sex with males can form an outbreak-sustaining core, while heterosexual populations experience smaller outbreaks. This raises concerns about silent, sustained outbreaks in the community, particularly among men who are least likely to get tested for Zika.
University of Chicago physicists create thin-core vortices and measure total helicity for the first time, showing it maintains a constant value during viscous fluid flow. The study overcomes experimental challenges by precisely positioning dye using a Sharpie marker, advancing understanding of vortex behavior.
Researchers have discovered that quark-gluon plasma has the highest vorticity ever recorded, surpassing even the fastest spinning fluids. The findings provide new insights into the properties of this primordial soup and may help scientists understand the strongest force in nature.
A hospital implemented a water intake improvement project to increase patient hydration, resulting in increased water intake among patients undergoing bariatric surgery. The study found that standardizing the intake process led to significant improvements in hydration and reduced variability in postoperative fluid progression.
A new study reveals that neighboring deep-sea vents host drastically different animal communities, contradicting the common assumption that similar habitats share animal species. The research highlights the significance of local geology and vent fluid chemistry in shaping these communities.
A new study reveals that tuna's precise control over their fins is enabled by the hydraulic activity of their lymphatic system. This specialization is also observed in other scombrid species, suggesting an evolutionary adaptation to high-performance swimming needs.
A study from the Journal of Dairy Science found that consumers prioritize healthy options and taste when choosing between milk and nondairy beverages. The results highlight the importance of education on nutritional value and correcting misconceptions to broaden the appeal of dairy milk.
A new computational model of an electrospray thruster using ionic liquid ferrofluid simulates the dynamics of the fluid, revealing key insights into its behavior. The technology has potential applications in spacecraft propulsion, spectrometry, pharmaceutical production, and nanofabrication.
Studies found significant differences in microRNA cargo carried by exosomes in males and females with osteoarthritis, with females showing more altered biological processes. The findings suggest a link between estrogen levels and the development of osteoarthritis, potentially leading to new diagnostic and treatment options.
Research suggests uterine fluid informs the fetus of its mother's world, affecting embryonic development and long-term health. Studies have shown that maternal environmental exposures can leave epigenetic tags on fetal DNA.
Researchers developed a long-term field experiment to monitor post-compaction evolution of soil structure, revealing projected recovery rates of years to decades. Initial results indicate different recovery rates for various properties and decreasing recovery rates with soil depth.
A large-scale study found that older mothers are at a higher risk of severe morbidity and mortality during childbirth. Maternal age was associated with increased rates of obstetric shock, amniotic fluid embolism, renal failure, and intensive care unit admissions.
A novel tablet, OPTILOGG, is helping heart failure patients to manage their condition by providing education, registering body weight, and titrating diuretics. Patients' self-care behaviors improved significantly, with a median score decrease of 10.5 points or 37%.
Researchers find a mathematical signature of disintegration from order to chaos in swirling bacterial patterns. This discovery links turbulence in biology and physics, shedding light on the dynamics of active fluids.
Researchers have shown that an experimental gene therapy is safe and may be effective in preserving vision in people with wet age-related macular degeneration. The treatment involves injecting a virus containing a therapeutic gene into the eye, which produces a protein to prevent abnormal blood vessel growth.
Researchers have developed a versatile, oil-based microgel material that can mimic aqueous microgels and eliminate instabilities between printed materials and their support. This innovation enables the precise 3-D printing of silicon materials in various shapes, including biocompatible materials like silicone.
Researchers developed a device to study the effects of 'extensional flow' on proteins, which can lead to reduced effectiveness and aggregation. The device revealed that manufacturing processes can be optimized to reduce protein damage, improving the quality of biopharmaceuticals.
Chronic fluid overload increases the risk of early death in kidney failure patients on hemodialysis, comparable to coronary artery disease and heart failure. The study found that cumulative exposure to fluid overload over 1 year predicted a higher risk of death than a single measurement at the start of dialysis treatment.
A new report suggests that changes in wastewater injection rates in disposal wells may have led to the Pawnee earthquake, the largest recorded in Oklahoma since the 1950s. The quake was triggered by wastewater produced by oil and gas drilling injected back into the ground.
A new study reveals that cerebral veins play a crucial role in regulating the brain's blood flow by storing and releasing blood throughout the cardiac cycle. This finding has significant implications for understanding diseases such as vascular dementia and normal pressure hydrocephalus.
Geologists used radioactive elements trapped in calcite crystals to create a 'clock' that measured the age of each event, revealing 13 distinct seismic events over 400,000 years. The study sheds light on the mechanics of earthquakes in intraplate faults and their relationship with human activities.
Kyle Williams, a UH doctoral student in applied mathematics, has been selected for the DOE's Graduate Student Research Program. He will work at Sandia National Lab to further his research on computational fluid dynamics and Navier-Stokes equations.
Using microfluidics, researchers can stretch and shear polymers at will, allowing them to study behavior at the microscopic scale. This enables the creation of a catalogue of diverse polymeric fluids with known relaxation times, facilitating the alignment and separation of molecules in biological fluids.
A study by Matthew Lehnert reveals that butterflies and flies use capillary action to feed, which could inspire novel microfluidic devices for targeted drug delivery. The research also found a limiting pore size for feeding, benefiting insects and the ecosystem during droughts.
UCR researchers developed an inexpensive sensor that can weigh microgram-sized biological samples in fluids, expanding applications in toxicity research, plant sciences, and biomaterials engineering. The sensor uses a simple glass tube and off-the-shelf electronics to measure mass, volume, and density of tiny samples.
Mathematicians from Newcastle University discovered a new 'storm' layer in superfluid Helium that 'sticks' to surfaces like ordinary fluid. The layer is created by mini tornadoes tangling together, slowing the flow. This finding changes past assumptions about superfluids and their use as coolants and precision measurement devices.
Researchers have developed a new method using ultrasound to measure fluid in the lungs, which could help diagnose scarring and fibrosis. The technique allows for quantitative information on lung fluid levels, potentially tracking treatment progress more effectively.
Researchers have developed a new model that better calculates the expected level of capillary rise in nano-channels, which is crucial for fracking. The model takes into account the surface roughness of the capillaries and adjusts parameters to account for frictional drag.
Researchers developed a mathematical formula based on the rhythmic movement of a sperm's head and tail, reducing complexity in predicting sperm movement. The formula captures coordinated movements that create a jerky fluid flow, countering friction and ensuring selected sperm achieve forward propulsion.
A new study by Thomas Jefferson University found that women who received IV fluids at a higher rate during labor were less likely to need a cesarean section and had shorter labors. The study pooled data from seven small clinical trials involving over 1,200 women.
Researchers are developing a portable, painless 3-D ultrasound device that can detect swelling in the optic nerve sheath, indicating potential brain damage. The device aims to provide instantaneous evidence of head injuries and is expected to be accurate compared to existing MRI and CT technology.
A novel technology platform has been developed to monitor organs-on-chips, enabling long-term studies that closely model human physiology and responses. The platform integrates multiple sensors to track temperature, oxygen levels, and pH values, allowing for more accurate and efficient data collection.
The PICO Collaboration has achieved a significant leap forward in the search for dark matter, establishing a new world-leading limit for weakly interacting massive particles (WIMPs). The experiment's results will guide future detection efforts and inform the design of more sensitive experiments.
Researchers at Maastricht University Medical Center found that omitting standard intravenous hydration during contrast material procedures for patients with compromised renal function has no added value and may even lead to negative consequences. Omitting this treatment could prevent complications and save millions of euros in care costs.
Chemical engineers and chemists at Pitt and Penn State create a system that utilizes chemical reactions to drive fluid flow, enabling controllable transport of particles and cells. This breakthrough could lead to rapid and efficient chemical assays.
The NIST study identified 27 low-GWP fluids, but all are at least slightly flammable, posing a challenge for replacing current refrigerants. The findings highlight the need for trade-offs in selecting replacement refrigerants, considering factors like safety codes and environmental impact.
Researchers develop new method to analyze shale samples using NMR and molecular dynamics simulations, helping determine hydrocarbon presence and extraction difficulty. The approach improves identification of gas, oil, and water in organic shales.
Researchers found that the fluid-filled nature of muscle fibers plays a role in creating tension when stretching. The study used a model and experiments with real bullfrog muscle to demonstrate the mechanical properties of fluid in muscle fibers. This discovery argues for accounting for fluid in models of muscle mechanics.
Researchers studied how solvents affect skin molecules, revealing changes in fluid state and interactions with added components. The findings improve understanding of molecular mechanisms, enabling more efficient regulation of skin properties.
A $1.5m grant has been awarded by Edwards Lifesciences to investigate the impact of cardiac output-guided fluid therapy on patients undergoing major gut surgery, with 2,502 patients expected to participate in the trial.
A group of researchers at the French National Center for Scientific Research discovered a peculiar state of miscible fluids contained within nanochannels. This phenomenon, known as 'microphase separation,' reveals that binary fluids can form unique homogenous liquid phases only at the microscopic scale.
A team of researchers has created a fully biocompatible motility engine using synthetic active filaments, outperforming conventional methods in transporting tiny cargo. The design's efficiency and speed capabilities have significant implications for targeted drug delivery, insemination, and therapeutic interventions.
A middle-aged woman developed hyponatraemia, a potentially life-threatening condition, after consuming excessive fluids and herbal remedies during the New Year period. Doctors warn of the potential harm of these treatments and advocate for caution.