Articles tagged with Fluids
A novel method for disinfecting long-term intravascular devices with ethanol solution may prevent serious bloodstream infections and hospital deaths. The study found no adverse effect on the catheter materials after a daily rinse cycle.
A new report outlines recommendations for reviewing advanced first-responder resuscitation fluids and adjunct therapies. The study identifies promising products with potential to improve treatment of life-threatening hemorrhage, and provides guidance on product investigations, data inclusion, and funding.
Researchers have discovered a mechanism by which bean plants can prevent fluid loss when injured, using contractile protein bodies that change shape in response to calcium concentrations. Vetch aphids overcome this blockage by injecting saliva into the plant.
Researchers at Queen's University have discovered a 13-million-year cycle in the mountain-building process, which is significantly shorter than previously believed. This finding has implications for our understanding of geological processes that shape the Earth, including the formation of volcanoes and deep-seated continental earthquakes.
Researchers found that TZD activates PPAR-gamma in the kidney's collecting duct, leading to fluid retention and edema. The study opens new avenues for treating Type II diabetes and hypertension.
A study of 580 women found that nearly half experienced persistent lymphedema, a condition causing fluid buildup in arms and hands. Lymphedema affects quality of life, requiring lifestyle changes such as compression garments.
A new ultrasound technique called streaming detection has been shown to accurately identify benign cysts in breast lumps, allowing for the reduction of unnecessary diagnostic procedures. This innovative method could potentially decrease both patient discomfort and healthcare costs associated with cyst aspirations.
Researchers discovered a new genetic disease, Nephrogenic Syndrome of Inappropriate Antidiuresis (NSIAD), in two infants who were retaining excess fluids and diluting sodium levels in their blood. The condition is caused by mutations in the AVPR2 gene that affects vasopressin binding, leading to inappropriate antidiuresis.
Researchers identified protein biomarkers in amniotic fluid linked to preterm labor, predicting success of cervical stitching. The study also found additional biomarkers suggesting other causes of preterm birth.
Researchers are developing saliva testing technology to detect diseases like cancer, predict cavities, and identify drug use. Preliminary results show that analyzing protein sugars in saliva can determine an individual's vulnerability to cavities.
Scientists have identified a way to detect gene expression changes in fetuses using cell-free mRNA from amniotic fluid, potentially leading to advancements in human developmental research and biomarker development. The study found that the mRNA originates from the fetus, not the placenta.
A study published in American Journal of Obstetrics and Gynecology reveals that metabolic profiling can accurately identify patients at risk for preterm delivery. The method has shown a high degree of accuracy in identifying patients across different clinical groups, offering new hope for predicting the course of preterm labor.
In a unique mating ritual, cricket males offer their wings to females during copulation. This 'love bite' keeps the female occupied while the male transfers sperm, gaining a temporary advantage in the mating process.
Researchers have developed a novel method called MR scoring to rapidly detect preterm birth from inflammation and infection in women. The test uses biomarkers Human neutrophil defensin 1, Human neutrophil defensin 2, Calgranulin C and Calgranulin A to identify women at risk of premature delivery with high sensitivity and specificity.
Researchers at Texas A&M University have successfully levitated micron-sized fluids using small magnets on a postage-stamp sized chip. This innovation enables the control of tiny droplets and crystals, opening up possibilities for future research in DNA manipulation, nanotubes, and other areas.
A new computer-aided detection (CAD) system has been developed to detect colon polyps obscured by contrast-enhanced fluid in the colon. The algorithm successfully identified 19 out of 22 polyps in a study involving 17 patients, highlighting its potential to reduce missed diagnoses and lower cancer risk.
Researchers detected continuous tremors near Cholame, 15 miles southeast of Parkfield, which are similar to those discovered in Japan and the Pacific Northwest. The tremors, which last more than four minutes each, may be precursory to earthquakes, potentially leading to earthquake forecasting and prediction.
Researchers found that cardiac tamponade has decreased in incidence since widespread use of fibrinolytic drugs began. However, treatment delays are still a risk factor for the condition, and physicians should closely monitor acute heart attack patients to prevent it.
Scientists at the University of Chicago have made a groundbreaking discovery in the creation of ultra-thin threads using air bubbles in breakfast syrup. The technique has potential applications in various industries, including fiber optics and electronics.
Fred Hilterman, a UH geophysics professor, is being honored with the Cecil Green Enterprise Award for his innovations and dedication in advancing geosciences. He co-founded the Geophysical Development Corporation (GDC), which integrated petrophysical and seismic data, and developed AVO technology to determine the earth's composition.
Researchers propose new experimental measurements to verify existence of maximum melting temperature and transformation of solid molecular hydrogen to metallic liquid. Calculations predict quantum fluid at around 4 million atmospheres of pressure, contradicting intuitive expectations.
Researchers have identified key genes involved in regulating eye pressure, which could lead to new treatments for glaucoma. The study found that two proteins, matrix Gla protein and perlecan, help maintain normal pressure by keeping the trabecular meshwork soft.
The aloe vera-derived fluid improved survival rates in rats with hemorrhagic shock, even without resuscitation, suggesting its potential to increase survival in trauma patients. The researchers believe the fluid could be administered before evacuation to medical units, reducing the need for blood transfusions.
A new, biodegradable machining compound developed by Ventana Research Corporation uses green tea extracts to improve the efficiency of computer hard drive manufacturing. The compound has shown a three- to four-fold increase in efficiency, leading to potential cost savings and environmental benefits.
Scientists at Rice University have discovered an attractive force in mayonnaise using the phenomenon of negative normal stress. This finding has significant implications for the development of new emulsions and dispersions with practical applications.
Case researchers substantiated a bacterial link to preterm birth through mouse studies, finding that Fusobacterium nucleatum from the mouth can reach the sterile womb environment. Periodontal disease and pregnancy compromise the immune system, allowing bacteria to target the placenta.
Professor Sandra C. Greer was recognized for her dedication to encouraging women in chemistry, with over half of her Ph.D. students being female. She has supervised 14 Ph.D. dissertations and chaired the University of Maryland Department of Chemistry and Biochemistry.
A team at Washington University in St. Louis has created a three-minute video capturing the unique interaction between water and three different oils when mixed using a magnetic stir bar. The resulting vortices, or funnels, display distinct characteristics due to their varying viscosities, showcasing the fluid dynamics phenomenon.
Researchers observed Bacillus subtilis bacteria moving through fluid in a coordinated pattern, creating swirls and jets that stir the fluid and may aid bacterial detection. The 'self-concentration' phenomenon has potential applications in biotechnology, particularly in mixing minute quantities of solutions.
A study published in JAMA found that patients on peritoneal dialysis were more likely to give high ratings of care compared to those on hemodialysis. The researchers also found better survival rates for peritoneal dialysis patients, especially in the first two years after starting treatment.
Researchers at the University of Illinois at Urbana-Champaign have developed a geometric cluster algorithm that accelerates simulations of complex fluids. The new method can efficiently capture the motions of particles of different sizes, resolving a long-standing challenge in fluid simulation.
The newly launched San Andreas Fault Observatory at Depth (SAFOD) will provide researchers with tools for continuous monitoring from inside an active earthquake zone. This project is part of the larger EarthScope initiative, which aims to investigate geological forces shaping the North American continent.
A new study found that systolic heart failure patients who received a one-hour education session with a nurse educator had a 35% lower risk of re-hospitalization or death within 180 days of discharge. The patients scored better on measures of following self-care regimens, such as salt and fluid intake restrictions.
Researchers use multiphoton microscopy to watch cell membranes reshaping themselves into two-dimensional liquid phases, or 'rafts', and find that thermal energies influence membrane geometries. The study provides new insights into the functions of cell membranes and their importance to human health.
Researchers used a new microdialysis technique to study amyloid-beta levels in interstitial fluid and cerebrospinal fluid of mice with Alzheimer's-like changes. They found that ABeta42 levels decrease in cerebrospinal fluid while AB40 increases, suggesting a shift in how the molecule is moved between compartments.
The System 100 Fluid Removal System has been shown to be safe and effective in reducing fluid overload in heart failure patients. By removing excess fluid, patients experience improved symptoms and reduced hospital length of stay.
Researchers create tiny chamber to achieve acceleration of over 1 million Gs, enabling rapid analysis of biological samples. Microfluidic systems could revolutionize quick diagnoses in remote locations.
Researchers at Georgia Tech have developed an optical control technique that can enable the production of new types of microfluidic devices without etching channels. By using lasers to create complex patterns of varying-intensity light on a substrate material, differential heating can be achieved, resulting in thermocapillary action an...
Hospice nurses reported that patients who hastened death by refusing food and fluids were ready to die, saw no meaning in living, and had poor quality of life. These patients died within 15 days after stopping food and fluids, with a median score of 8 for the quality of their deaths.
Researchers at PNNL and UCLA have discovered six times more proteins in NAF than previously identified, suggesting its potential as a biomarker for breast cancer. The study aims to develop a more accurate, non-invasive method for early diagnosis.
Researchers have identified a subgroup of cells in amniotic fluid that express the protein Oct-4, a key marker for human pluripotent stem cells. These cells have shown potential to differentiate into nerve cells and could potentially replace embryonic stem cells, reducing the need for human embryos.
Spanish fertility experts have found a protein called Vascular Endothelial cadherin linked to ovarian hyperstimulation syndrome. The study suggests that modulating the way ovaries are stimulated can reduce the risk of severe OHSS. Researchers propose a novel approach, 'coasting', which enables treatment cycles to continue with less risk.
The study identifies changes to rate-determining factors at transition points, shedding new light on the nature of non-linear spreading. Researchers used a model to calculate these changes and found them to be crucial for understanding various phenomena such as 'avalanches' in sand piles.
Researchers created miniaturized fluid drive devices that control flow and fluidic memory using polymer liquids. These findings could lead to implantable devices monitoring human physiology and delivering drugs accordingly.
Researchers have developed a novel fabrication technique to create interconnected cylindrical channels, enabling efficient mixing in microfluidic devices. The microvascular networks can also serve as a circulatory system for continuous transport of repair chemicals in self-healing materials.
The Illinois team developed a new technique to create three-dimensional microchannel networks that improve fluid mixing efficiency compared to traditional two-dimensional channels. The technology also enables the creation of self-healing materials with integrated 'circulatory systems' for transporting repair chemicals.
Researchers found microorganisms in seafloor samples from the Juan de Fuca plate, suggesting a microbial incubator of global proportions. The discovery challenges current understanding of oceanic crust and its potential for supporting life.
A recent study by Queen's University researchers has found a link between trichloroethylene (TCE) exposure and male infertility. TCE, used in various industrial applications, is metabolized in the human reproductive tract and can adversely affect sperm development.
A new software developed by Ohio State University engineer Benjamin Coifman uses data from in-road detectors to pinpoint traffic congestion and measure travel time. This technology can improve traffic monitoring while minimizing disruptions to drivers, reducing the financial costs of traffic jams.
Researchers use bio-ferrography to capture tiny particles in synovial fluid, enabling the creation of a diagnostic atlas for orthopedic surgeons. The atlas will help identify potential problems with implants prior to revision surgery.
A new brain imaging study from Washington University in St. Louis has shed light on the inner workings of human intelligence, revealing that individuals with higher fluid intelligence use specific brain regions to resist distraction and maintain focus. The study found that participants with higher fluid intelligence engaged several key...
A recent study at Johns Hopkins Medicine found that babies born with low amniotic fluid at 37 weeks' gestation have normal birth weights and health, challenging conventional wisdom. The study of 262 women showed no significant differences in birth outcomes between those with low and normal amounts of amniotic fluid.
Geologist Dr Nick Hoffman claims that recent gully development on Mars was caused by frozen carbon dioxide, contradicting the majority scientific opinion that it was carved by liquid water. This raises concerns about the possibility of life existing on Mars.
A recent study found that injecting contrast material before a CT scan can increase lung tissue volume in critically ill patients with ALI. This increase is attributed to fluid accumulation in the lungs, making breathing harder for these patients. The authors recommend avoiding this procedure in critically ill patients.
Researchers studied how angle of riblets on pipe affect fluid flow, finding that diverging riblets speed up airflow by reducing turbulence. This study may also aid biologists in understanding the function of pit organs on sharks.
Researchers at NYU's Courant Institute found that flexible structures exhibit a unique drag reduction phenomenon, where the drag force decreases with the velocity of the flow. The team discovered that this occurs due to the shape of the fiber's 'nose' and its self-similarity under different velocities.
Researchers found that phase transition in bilayers causes substantial tearing, resulting in foam-like defects that affect device performance and long-term storage. The study's findings have significant implications for the development of supported bilayer-based materials and applications such as biosensors.
Eli Claiborne, a principal consulting research and development scientist, has developed a fully biodegradable vegetable oil called BIOTEMP to reduce environmental harm from transformers. Many US companies now use commercial transformers containing the new fluid, which also has potential for larger applications.
A preliminary study found that the peritoneal fluid of women with early-stage endometriosis reduces ciliary beat frequency by around a quarter compared to fertile controls. This reduction may be linked to impaired ciliary action and tubal transport, which could negatively impact fertility.
Researchers at Duke University Medical Center found that using Doppler technology to guide fluid administration during major surgery improves outcomes. Patients who received Doppler-guided care experienced shorter hospital stays, faster recovery, and less postoperative nausea and vomiting compared to those who received conventional care.