Articles tagged with Powders
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.
A study by The Hershey Company shows that over 85% of cocoa flavanols can be preserved in recipes for hot cocoa drinks, frosting, and cookies. Using a combination of baking powder and baking soda allows for the retention of antioxidant activity and flavanols in chocolate cakes.
Long-term studies found that melamine consumption increases the risk of developing kidney stones in children, particularly between six months to 18 months old. Non-invasive treatment can effectively manage these complications with a high success rate.
A recent study by University of Utah researchers identified bigger, older mice as the culprits behind hantavirus transmission. The study used fluorescent powders and radio transmitters to track contacts between mice, revealing that larger-bodied individuals were responsible for maintaining the disease in deer mouse populations.
A new University of Michigan Cardiovascular Center study suggests that grapes can lower blood pressure and signs of heart muscle damage, and improve heart function in lab rats. The effect is thought to be due to the high level of phytochemicals - naturally occurring antioxidants - found in grapes.
Elsevier announces a new partnership with Society of Powder Technology Japan (SPTJ) to publish Advanced Powder Technology, a bimonthly journal covering powder engineering and technology. The internationalization of the journal will expand its reach and contribute high-quality content to ScienceDirect.
A study by The Hershey Company reveals resveratrol, a compound found in red wine, is also present in cocoa and dark chocolate products. These foods contain significant levels of resveratrol, an antioxidant with potential health benefits.
A new study published in Journal of Agricultural and Food Chemistry emphasizes the high antioxidant content of natural cocoa powder. Natural cocoa powders contain an average of 34.6 mg of flavanols per gram, making them one of the richest sources of these beneficial antioxidants.
A new test can detect gunshot residue on a single speck of gunpowder smaller than the width of a human hair, boosting accuracy and reducing false positives. The test uses solid phase micro-extraction combined with gas chromatography to identify chemical compounds present in the powder.
Researchers have designed a high-performance permanent magnet alloy that operates with good magnetic strength at 200 degrees Celsius. The new alloy, which replaces pure neodymium with a mixed rare earth, has a lower temperature coefficient, making it suitable for electric drive motors in the automotive industry.
Scientists have successfully determined the structure of microcrystal grains using a new set-up at the European Synchrotron Radiation Facility. This breakthrough allows researchers to study crystalline structures previously too small to analyze, enabling potential advances in fields like chemistry, physics, and biology.
Researchers at Texas A&M University are developing an aloe vera-based nosespray vaccine that has shown promising results in animal trials. The vaccine uses a gel-like substance to cling to the inside of the nose, allowing it to stay longer and work more effectively than traditional liquid sprays.
A new study found that cherry-enriched diets lowered blood cholesterol, insulin levels, and other factors linked to metabolic syndrome. Researchers say the findings are encouraging and will lead to further clinical studies in humans.
Researchers at MIT found that the nanostructure of cement is responsible for its strength and durability, rather than the material itself. By understanding this organization, they aim to develop a new type of concrete with reduced carbon dioxide emissions.
A University of Illinois study reveals that combining tomatoes and broccoli in the diet can effectively reduce prostate tumors. The study found that eating both foods together produces an additive effect, with tumor cells proliferating more slowly.
The researchers found that the dust grains have a porosity of over 90%, similar to powder snow, allowing them to measure the agglomeration process of interstellar grains. This discovery provides valuable insights into the early days of our planetary system and how dust grains grow from interstellar sizes to macroscopic objects.
A new national standard for collecting suspicious powders has been developed by AOAC International, providing a uniform procedure for emergency responders and federal agencies. The standard addresses the need for safe handling, transportation, and analysis of samples from visible powders suspected to be biological threat agents.
Researchers at Iowa State University are testing combustion for NASA using a new technology called electric particulate suspension. The goal is to understand how powders burn and ignite under various conditions, which could lead to improved fire safety and the development of a new safety standard.
The Penn State team has successfully developed a method to calculate optimal proportions of niobium powder to binder and temperature for sintering, opening doors to injection-molded niobium parts. The approach can be applied to other materials with irregularly-shaped particles, expanding its potential applications.
The Oak Ridge Associated Universities funds research to develop conductive ceramic materials. Lu, a Virginia Tech graduate student, aims to create advanced ceramic materials by incorporating carbon nanotubes. She has achieved 40% density, significantly improving the material's strength and conductivity.
Researchers found that cranberry juice powder relaxes and opens blood vessels in genetically susceptible pigs, improving vascular function. The next step is to identify the specific components of cranberries responsible for this effect and develop a palatable way to consume them.
A study published in the Journal of the National Cancer Institute found that rats fed whole tomato powder had a 26% lower risk of prostate cancer death compared to those on control diets. The researchers suggest that whole tomato products and energy balance may offer independent benefits against prostate cancer.
A recent study suggests that lycopene's anti-cancer effect is enhanced by other compounds in tomatoes, such as phytochemicals. Whole tomato consumption was found to offer a lower risk of prostate cancer death compared to dietary supplements.
Researchers at NIST created improved phantom materials that can mimic blood, bone, fat, and skin using carbon black powder. These polymers have low-frequency electrical properties and can be formed in various shapes and sizes.
Scientists at Penn State University have created a novel method for synthesizing cage-like silica structures by combining different templates and heating them in a microwave oven. This innovative approach produces larger particles with improved stability and reduced synthesis time compared to previous methods.
A study found that consuming cocoa and dark chocolate slowed LDL oxidation by 8% and boosted total antioxidant capacity. However, experts stress the importance of a balanced diet that includes a variety of whole foods to support overall cardiovascular health.
Researchers found that consuming flavonoid-rich chocolate can increase HDL cholesterol and slow down LDL oxidation. This effect may contribute to a reduced risk of cardiovascular disease.
A team of Penn State researchers successfully used microwave sintering to produce machine components with improved mechanical properties in just 10-30 minutes, compared to traditional sintering methods which take long periods of time and large amounts of energy.
A two-year study of 350 pregnant women in Tanzania is being conducted to evaluate the effectiveness of a simple fortified drink in improving iron and general nutritional status. The drink, made with 11 vitamins and minerals, has shown promising results in improving anemia and other nutritional deficiencies in Tanzanian children.
Researchers at Sandia National Laboratories have developed three robotic systems to streamline the dismantlement of nuclear weapons, including AGGDIS and WALS. These systems can handle delicate operations faster and more accurately than humans, reducing radiation exposure and increasing efficiency.
The Pantex storage building will utilize automated gas generator disassembly system (AGGDIS) and weighing and leak check system (WALS) to improve the efficiency and safety of nuclear dismantlement operations. These robotic systems will enable faster handling of sensitive components, reducing radiation exposure for humans.
The new sonochemical synthesis technique creates highly magnetic metal powders with clusters of a few hundred atoms, exhibiting superparamagnetic behavior. These powders have the potential to be used in various applications including information storage, audio reproduction, and magnetic sealing.
Researchers at Johns Hopkins University have developed a new form of welding using highly reactive metallic films, which can bond objects at their surfaces without damaging the rest. This process is self-propagating and exothermic, requiring no oxygen to operate, making it suitable for use under water or in airless outer space.