Articles tagged with Capillaries
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Cardiac injury leads to rapid morphological changes, including enlargement and fibrous growth tissue formation. Advanced stages of remodeling have begun by day seven following injury. This research provides insights into the coordinated events of cardiac pathology and possible intervention targets.
Scientists found that Ang-2 regulates angiogenesis through TIE-2 and integrin signaling, leading to two independent effects on tumor blood vessels. This discovery prompts the development of new therapies targeting Ang-2.
A recent clinical trial found Pycnogenol to significantly improve signs and symptoms of menopause, including reduced oxidative stress. The study showed that Pycnogenol improved irregular heartbeat and digestive problems, as well as decreased bloating.
Scientists at the University of Illinois' Beckman Institute have created an active pumping mechanism for microvascular systems, which greatly enhances the repair of damaged materials like cracks in coatings on buildings or bridges. The pressurized delivery system outperforms traditional capillary force methods by a significant margin.
Researchers discover nematodes stick together like Cheerios in milk, but surprisingly don't gain mechanical advantage by grouping. This phenomenon sheds light on capillary forces in colloidal particles.
Researchers have found that vitamin C can prevent the onset of sepsis and even reverse the disease by restoring blood flow to vital organs. Early and delayed injections of vitamin C have been shown to improve survival rates in mice with sepsis, making it a promising treatment option.
Researchers at the University of Michigan have created intricate, curving 3-D nanostructures from carbon nanotubes using capillary action forces. These shapes can harness the exceptional mechanical, thermal, electrical, and chemical properties of carbon nanotubes in a scalable fashion.
Researchers at Karolinska Institutet have found a potential solution to the blood-brain barrier problem, allowing for the transport of molecules into the brain while preserving basic functions. The discovery, led by Professor Christer Betsholtz, could lead to new therapies for Alzheimer's and stroke.
A study published in Cell Metabolism identifies GPIHBP1 as the key protein responsible for transporting lipoprotein lipase (LPL) into capillaries. This discovery offers new insights into the causes of hypertriglyceridemia, a risk factor for cardiovascular disease.
Scientists at Northwestern University found that tiny blood vessels in the brain have a unique method of clearing debris by growing a membrane that envelopes the obstruction and then shoves it out. This process is slower in an aging brain, resulting in more capillary death and potentially contributing to age-related cognitive decline.
Researchers studied cell-to-tube transformation in Drosophila, revealing the formation of small-diameter respiratory tubes and their link to capillary development. The study identified key genetic machinery and molecular mechanisms involved, providing insights into the development of fine blood vessels.
Researchers found that hemofiltration reduced ECMO duration by 30 hours and fluid balance per day, leading to significant cost savings. The treatment also decreased the need for blood transfusions.
Capillary mats provide automated irrigation, conserve water, and reduce labor needs, resulting in 71% less summer and 62% less winter water usage compared to overhead sprinklers. The study also found that plants on capillary mats required 62% less fertilizer due to higher substrate electrical conductivity.
Abnormal tumor blood vessels are 'leaky' and 'twisty', hindering chemotherapy drug delivery. Researchers identify a key factor: tumor capillary cells' inability to sense mechanical forces, leading to irregular vessel formation. Normalizing these forces may improve therapy effectiveness.
Researchers found that 90% of deceased bats showed internal hemorrhaging consistent with barotrauma, highlighting the vulnerability of these mammals to wind turbine hazards. The unique respiratory system of bats makes them more susceptible to air pressure drops, which can cause fatal injuries.
Engineered blood vessels could be transplanted into tissues such as the kidneys, liver, heart or any other organs that require large amounts of vascular tissue. The researchers created a surface template to grow capillary tubes aligned in a specific direction using nano-scale patterning.
Researchers have identified a protein on the inner surfaces of capillaries that delivers dietary fat to enzymes for entry into cells, revolutionizing our understanding of lipid processing. The discovery has implications for patients with chylomicronemia, a condition in which the body's ability to process dietary fat is impaired.
Researchers at UCLA have identified a new protein called GPIHBP1 that plays a crucial role in breaking down fats in the bloodstream. The protein is expressed exclusively on the endothelial cells of capillaries and helps regulate the delivery of lipid nutrients to different tissues.
A study published in Angiology found that Pycnogenol, an antioxidant extract from pine tree bark, significantly improved blood flow and reduced swelling in patients with diabetic microangiopathy. Blood flow improvements were 34% when lying down and 68% when standing up.
Researchers at Lawrence Berkeley National Laboratory and University of Oxford have achieved a record-breaking acceleration of electron beams to 1 billion electron volts in 3.3 centimeters using laser wakefield acceleration. This breakthrough opens the door to compact high-energy experiments and superbright free-electron lasers.
A newly devised nozzle allows researchers to distribute helium atoms with X-ray-like waves on randomly shaped surfaces. The technique could power a non-invasive, high-resolution approach to studying materials at the nanoscale.
Researchers have identified plant genes crucial for capillary root formation, a vital process for plants to absorb water and minerals. This discovery has important implications for sustainable agriculture, enabling the cultivation of crops that can adapt to changing environmental conditions.
A team of researchers at Georgia Institute of Technology discovered that the formation of capillary structures is thermally activated. By studying the frictional forces acting on an atomic force microscope tip, they found that reducing temperatures and moving surfaces quickly can reduce adhesion between nanoscale surfaces.
Researchers at Ames Laboratory developed a method called dynamic multiple equilibrium gradients (DMEG) that enables hyperselective separation and concentration of specific analytes. This advancement allows for the detection of smallest substance traces, including estrogen-derived conjugates and DNA adducts in human fluid samples, poten...
Scientists have created a Nanofountain Probe that enables sub-100 nanometer molecular writing, a capability previously unattained. The device employs a volcano-like dispensing tip and capillary-fed solutions to achieve high-resolution direct writing.
A study by Duke University Medical Center researchers found that muscle capillaries respond differently to exercise in men and women. Women's skeletal muscle increased in capillary density after 24 weeks of supervised exercise training, while men did not. Both genders showed similar improvements in exercise capacity.
Researchers at Cornell University developed a new approach to using quantum dots for biological studies of living animals, achieving high-resolution three-dimensional images inside living tissue. The technique, known as multiphoton microscopy with quantum-dot imaging, outperforms conventional methods by 1,000 times in brightness and re...
A non-invasive imaging technique has been developed to detect plaques beginning to form in blood vessels, according to researchers from WashU Medicine. The technique uses nanoparticles to target growing capillaries and visualize plaque development, with potential applications for early cancer detection as well.
Researchers at Ohio State University are investigating ways to re-grow tiny blood vessels to keep damaged heart tissue alive after a heart attack. They have demonstrated that endothelial cells can grow in grooves carved in the surface of a soft transparent gel in the laboratory, paving the way for future transplants.