Articles tagged with Powders
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A recent study highlights the growing concern of inhaler-related greenhouse gas emissions in the US, which have increased over the past decade. The study suggests that shifting utilization to dry powder and soft mist inhalers could be a key solution to reduce emissions.
Researchers have developed a blue cosmetic color additive that gives foundations the warmth and depth they currently lack, resulting in improved shades for darker skin tones. The new formulation uses ultramarine blue to reduce gray cast and create warmer hues.
Researchers at Texas A&M University have developed a new catalytic graphitization technology to convert petroleum coke into graphite, reducing emissions and cost associated with conventional synthetic graphite production. The process uses lower temperatures and shorter times, making it more sustainable and efficient.
A new study found that babies show positive responses to the smell of foods they were exposed to in the womb after birth. Newborns whose mothers had taken carrot powder capsules reacted favourably to the smell of carrot, while those whose mothers had taken kale powder capsules reacted more positively to the scent of kale.
Researchers develop a computational method to determine the crystal structures of multiphase materials directly from powder X-ray diffraction patterns. This approach can analyze existing experimental data that was previously difficult to decipher, leading to potential discoveries of new material phases.
Patients using transparent capsules delivered more medication due to visual feedback on their inhalation technique, leading to better management of chronic airway diseases. The study found a significant 30.1% reduction in capsule weight after inhalation.
A research project, ACCELERATE, aims to significantly reduce operational qualification time and cost in additive manufacturing by improving validation through detailed tasks and documentation. The project will tackle various aspects of AM operations, including facility controls, operator training, software configuration, and process mo...
Researchers at MIT have developed a new way to make microbes hardy enough to withstand industrial processing, high temperatures, radiation, and long-term storage. The method involves mixing bacteria with food and drug additives, resulting in stable formulations that can be used in various applications.
A recent study from the University of Toronto analyzed data from 912 participants aged 16-30 and found that nearly 60% used protein bars and over half used whey protein powders. The study highlights alarming symptoms, including fatigue, digestive issues, and cardiovascular problems, with only 9.8% perceiving their use as problematic.
Researchers at the State University of Campinas found that daily consumption of jaboticaba peel improved glucose metabolism even after meals. The study showed lower post-prandial glycemia and less inflammation in volunteers with obesity and metabolic syndrome.
A study by Brazilian researchers reveals that bixin, a carotenoid pigment extracted from annatto tree seeds, is also present in other organs. Genetic analysis and modifications found increased production of the pigment in the adult phase and linked to stress-related hormone abscisic acid.
Researchers at TU Wien discovered that feldspar's unique surface geometry provides the perfect anchoring point for water molecules, enabling efficient cloud formation. The hydroxyl layer formed on the feldspar surface allows water molecules to stick and freeze, forming clouds.
A recent study published in Nutrients found that daily strawberry consumption can improve cognitive performance and reduce depressive symptoms in middle-aged adults. The research, led by Professor Robert Krikorian, suggests that strawberries contain antioxidants and micronutrients that may help mitigate the risk of dementia.
Recent progress in metallic powders characterization, preparation, and reuse for laser powder bed fusion (L-PBF) enhances printing consistency and reduces costs. Novel cost-effective methods like fluidized bed and cold mechanically derived method are emerging to prepare powders.
Researchers at Shibaura Institute of Technology developed a cellulose-based thickener to reduce environmental risks associated with liquefied stabilized soil. The thickener prevents bleeding, loss of fine particles, and unwanted settling, while maintaining soil strength.
A new study by Nagoya Institute of Technology researchers reveals that the type of ceramic glaze used in tea sets can alter the retention of catechins, flavonoids with antioxidant properties. The study found that different glazes reduced the amount of beneficial compounds in tea, affecting its flavor, aroma, and potential health benefits.
Researchers from Osaka University have demonstrated a method of dehydrating CNFs to a dense powder without affecting their three key properties. The resulting CNF powders retain high viscosity, transparency, and tunable properties.
A team from IISc has identified three key factors contributing to the lake's foaming: untreated sewage, surfactants that don't decompose, and heavy rainfall that churns up surfactant-laden sludge. The researchers propose removing accumulated sludge before rains and proper disposal to address this issue.
A significant increase in illicit ketamine seizures in the US has raised concerns about the risks of non-medical and recreational use, as well as the presence of fentanyl. The study found a 349% rise in seizures from 2017 to 2022, with the highest numbers reported in Tennessee, Florida, and California.
Researchers have developed a solvent-free process to manufacture lithium-ion battery electrodes that are greener and cheaper than traditional methods. The new process produces electrodes that can charge faster, with a capacity of 78% in just 20 minutes.
Scientists create high-performance bulk magnesium diboride superconducting magnets with low-cost technique, exhibiting good critical current density and trapped magnetic field. The work paves the way for commercialization of MgB2 superconducting magnets.
Researchers from China and Singapore study the radiative properties of polyamide-12, a common marine microplastic pollutant. They found that most of the incident radiation is scattered by PA12 particles, affecting ocean light transmission and marine ecology.
Chemists have developed a high-performance catalyst specifically designed for solid-state mechanochemical synthesis, achieving efficient reactivity at near room temperature. The approach uses a metal catalyst attached to a long polymer molecule, which traps the catalyst in a fluid-phase, enabling fast and energy-efficient reactions.
Researchers have developed an inhalable powder called SHIELD that reduces infection in mouse and non-human primate models by reinforcing the body's mucosal layer. The powder is composed of food-grade materials and biodegrades over a 48-hour period, providing protection for up to 8 hours.
A recent study found that dry scooping, ingesting pre-workout powders without water, is common among adolescent boys and young adult men in Canada. The study analyzed data from over 2,700 participants and showed a significant association between social media use and gym culture participation and dry scooping behavior.
A team of researchers identified a rare lead compound, lead(II) formate, in various areas of Rembrandt's The Night Watch using micro and macro X-ray analysis. This discovery provides clues about the artist's pictorial practices and the reactivity of lead driers in historical paintings.
A new digital twin of laser-directed energy deposition repair technology has been developed to improve industrial sustainability. The system automatically determines optimum forming conditions, reducing metal powder waste and increasing the effectiveness of the repair process.
Researcher Dana Hawley found that finches with mild and strong conjunctivitis symptoms spread a pathogen at higher rates than healthy birds. This suggests that pathogens can evolve to cause more harm to their hosts, leading to increased transmission.
A UVA research team developed a real-time detection method for keyhole pore generation in laser powder bed fusion, achieving a 100% prediction rate. This approach expands additive manufacturing capabilities for aerospace and other industries relying on strong metal parts.
Researchers found that food hardness and tool size do not always correlate as closely as thought. Cultural learning plays a significant role in the tool choice of bearded capuchin monkeys, with some populations using disproportionately heavy tools for certain foods.
Researchers at Fudan University reviewed fundamental mechanisms and recent developments in selective laser sintering of polymers. The study highlights the need for innovative materials, sintering methods, and post-processing techniques to improve the efficiency and performance of SLS polymer parts.
Researchers at UCF's COSMOS Lab developed a method to create strong bricks from lunar regolith using 3D printing and binder jet technology. The bricks can withstand extreme space environments and are suitable for constructing off-world structures, paving the way for sustainable space construction.
A research team at UFSCar developed a biodegradable slow-release fertilizer using modified nanocellulose, which releases nutrients slowly and in a controlled manner. The material is designed to reduce the release of non-biodegradable chemicals into the ecosystem.
Researchers at Rice University have developed a method to create a thin film coating on lithium anodes using powder brushing, which improves battery life and capacity. The coated anodes retained 70% more capacity after 340 charge-discharge cycles than off-the-shelf batteries.
Rice University researchers create a technique to make surfaces superhydrophobic by combining sanding with powder materials, resulting in water-repelling properties. The treatment also exhibits excellent anti-icing properties, slowing down freezing and reducing ice adhesion strength.
A randomized controlled trial found that consuming cranberries for 12 weeks improved participants' memory of everyday events and neural functioning. The study also showed a significant decrease in LDL or 'bad' cholesterol levels, contributing to improved vascular health and brain perfusion.
Researchers at the University of São Paulo developed a natural antioxidant from unripe acerola, replacing banned synthetic additive TBHQ. The antioxidant microparticles were found to be effective in a range of applications, including food products and cosmetics, without affecting color, flavor or odor.
Researchers analyzed ancient incense samples from a Tang Dynasty Buddhist temple and found evidence of exotic spices like elemi and frankincense. The findings provide insight into the complex role of incense in religious rituals and court activities during this period.
A University of Cincinnati study found that adding blueberries to middle-aged diets may lower the chances of developing late-life dementia. The researchers discovered that blueberries' high level of micronutrients and antioxidants helped improve cognitive function and metabolic function.
Scientists at the University of Freiburg have developed a novel process for 3D printing small and complex components made of transparent glass. Using Glassomer materials and Computed Axial Lithography, they can create structures with thicknesses as low as 50 micrometers in just a few minutes.
A team of researchers at Indian Institute of Science has identified an alternative technique to produce metal powders for 3D printing, side-stepping the problems with atomisation. The new method uses surface grinding to create spherical powders with comparable quality to commercial gas atomised powders.
The number of fentanyl-containing pill seizures surged nearly 50-fold between 2018 and 2021, highlighting the growing risk for people new to drug use. The rise in overdose deaths is largely driven by illicit fentanyl and other synthetic opioids.
Law enforcement seizures of fentanyl-laced pills have surged dramatically, with over 2 million confiscated in the last quarter of 2021. The number of people at risk includes those who buy counterfeit pills of common drugs like benzodiazepines or painkillers.
The KAUST team has created a flexible and efficient scintillation film using lead-free metal halides, detecting X-rays at levels 113 times lower than standard medical imaging doses. This breakthrough enhances medical, industrial and security X-ray imaging, offering significant improvements in spatial resolution.
Researchers develop small-molecule serial femtosecond crystallography, enabling precise analysis of complex materials. The technique reveals accurate atomic structures of previously unsolvable compounds.
The study's findings provide a foundation for developing efficient protein isolation techniques from insect powders, which could help address global hunger and malnutrition issues. Insect-based protein sources are rich in essential amino acids and offer a sustainable alternative to traditional farming methods.
A recent study discovered high levels of mercury exposure in human bones from Copper Age Iberia, dating back 5000 years. Cinnabar powder used for pigments and rituals led to severe health effects, including intoxication.
Researchers at Skoltech and their colleagues have successfully created a magnetic material by 3D printing a gradient alloy from nonmagnetic powders. The resulting alloy exhibits ferromagnetic properties, opening up potential applications in machine engineering, such as electrical motors.
A study analyzing TikTok videos under the hashtag #preworkout found that dry scooping, where undiluted powder is put in the mouth followed by liquid, amassed over 8 million views. The study suggests physicians should be aware of pre-workout's dangers, especially among teens.
New research from Shibaura Institute of Technology reveals that spark plasma sintering produces highly dense MgB2 bulks with improved mechanical and superconducting properties. The resulting samples exhibit superior strengths and high trapped field performance, making them suitable for space applications and electric machines.
The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.
Researchers have modelled how drugs are delivered to the respiratory tract via an inhaler to better treat lung diseases. Finer drug particles of around one micron are better able to travel further into the lungs.
Researchers discovered that certain catalyst materials, such as erythrite, improve in performance over time due to restructuring. This process increases the surface area of the material, allowing for more reactions to occur, resulting in higher oxygen yields and doubled electrical current generation.
Researchers develop method to produce high-quality gypsum binders from synthetic calcium sulfate dihydrate, surpassing natural gypsum in several parameters. The new material can replace natural gypsum in countries without gypsum stone deposits, reducing production costs and simplifying technology.
Researchers at OIST Graduate University have developed a new method to synthesize crystalline powder necessary for perovskites, resulting in higher quality and stable solar cells. The newly created perovskite-based solar cells achieved conversion efficiencies of over 23% and lifespan of more than 2000 hours.
A study by Penn State researchers found that supplementing high-fat-fed mice with cocoa powder reduced the severity of their liver disease and improved markers of oxidative stress. The researchers suggest that similar benefits may be achieved in humans through dietary changes, but caution against overconsumption.
Researchers at Oak Ridge National Laboratory have developed a refractory metal alloy that can withstand extreme temperatures and is viable for additive manufacturing. The team also created an electrocatalyst that enables the conversion of water and carbon dioxide into higher weight hydrocarbons, set to reduce fuel costs.
Researchers at the University of Utah have developed a new technique to analyze magnetofossils, which can reveal information about past climates. The method uses FORC measurements to identify giant magnetofossils, allowing scientists to study ocean responses to past climate changes.
University of Wyoming researchers have successfully converted raw coal powder into nano-graphite using a one-step metal-assisted microwave treatment method. This method has the potential to provide an alternative source of high-value materials, reducing environmental concerns and ecological impact.
A study by RUDN University found that adding fern leaves powder to the diet of common carp (Cyprinus carpio) improves their immune system and supports healthy growth. The experiment, published in Fish & Shellfish Immunology journal, showed no side effects from the natural additive.