Articles tagged with Materials Testing
Researchers have developed nanoparticles that can communicate with and slow the development of cancer cells. The nanoparticles aggregate in cancer cells, reducing metabolic activity and growth, and are activated by MMP-9 enzyme secreted by cancer cells.
A new study elucidates the fundamental response of topological insulators to terahertz radiation, revealing rapid energy transfer between electrons and crystal lattice. The results hold promise for faster mobile data communication and high-sensitivity detector systems.
Researchers discovered a resemblance between magic graphene's superconductivity and high-temperature superconductors, shedding light on the mysterious ceramic compounds. The study provides evidence for unconventional superconductivity in magic bilayer graphene.
Researchers at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.
A new instrument at the Advanced Light Source enables simultaneous measurement of crystal structure and optical properties during perovskite synthesis. This allows for real-time monitoring of material quality and performance, leading to potentially more efficient solar cells.
Researchers created a sulfur-selenium alloy that outperforms traditional coatings in protecting steel from corrosion and oxidation. The material's self-healing properties allow it to recover from scratches and damage, making it suitable for infrastructure applications.
Researchers created a paper-like material that folds itself into new shapes in response to environmental humidity, with potential applications in self-folding envelopes and boxes. The material's ability to morph on demand could lead to the development of autonomous origami robots and other complex shapes.
Researchers at MIT develop a data-driven process using machine learning to optimize new 3D printing materials with multiple characteristics. The system lowers costs and lessens environmental impact by reducing chemical waste and suggesting unique chemical formulations that human intuition might miss.
Researchers at Arizona State University explore alternative approaches to catalysis, a chemical process crucial for industrial applications. The study aims to develop synthetic catalysts that can improve on nature's designs, leading to the production of carbon-neutral fuels.
A new hydrogel treatment kills drug-resistant bacteria, including MRSA, and induces the expression of naturally-existing antimicrobial peptides in human skin cells. The gel is non-toxic, biodegradable, and scalable.
Researchers have classified magnetic materials using a unified description, solving a longstanding problem. The new system provides a complete mathematical characterization of magnetic structures and has implications for quantum applications.
A chemist at UTA is working on creating new synthetic materials that can improve on inorganic metal oxides for use in various energy-saving applications, particularly in solar energy technology. The goal is to develop materials with improved stability and energy storage capability.
Researchers developed a sensitive new way to detect and count transistor defects, which limit performance and reliability. The method works with traditional Si and SiC materials, identifying defect type and number with simple DC measurement.
Researchers have unveiled a new form of magnetism in Sr2RuO4, which can coexist with superconductivity and exists independently. The discovery was made using muons to detect tiny magnetic fields and is expected to provide new insights for basic and applied research.
Researchers identified fundamental challenges for next-generation cathodes in improving reliability, energy density, and cost-effectiveness. The road map sets direction for research and defines benchmarks for various cathode chemistries.
A team of researchers found that intentionally creating imperfections in quantum materials can improve their electrical and superconducting properties. This breakthrough could lead to the development of more efficient quantum-based computing and electronic devices.
Researchers have developed a novel process to manufacture extreme heat-resistant carbon-carbon composites, which will be tested on a U.S. Navy rocket launching with NASA this fall. Additionally, they created a technology that more realistically emulates user activities to improve cyber testbeds and prevent cyberattacks.
Researchers have developed a device that uses two-dimensional hybrid metal halides to control terahertz radiation, outperforming conventional emitters in signal efficiency and cost. The 2D hybrid metal halide device is also thinner, lighter, and more robust than traditional terahertz generators.
Researchers at IOCB Prague have developed a novel antibacterial material called NANO-LPPO that can prevent infection and facilitate treatment of skin wounds. The material combines lipophosphonoxins with a nonwoven nanotextile, which releases active substances in response to bacterial presence.
Researchers developed a WC-20CrC-7Ni coating with high anti-cavitation resistance, extending the life of aquatic environment mechanisms. The coating's fine structure increases surface area, requiring more energy for crack formation. This innovation can protect critical equipment parts in power engineering, metallurgy, and shipbuilding.
McGill University scientists created a new glass and acrylic composite material mimicking nacre for exceptional strength and durability. The material is three times stronger and five times more fracture-resistant than regular glass, with potential applications in phone screens and other industries.
Researchers at Helmholtz-Zentrum Berlin have achieved a new world record in materials research by using X-ray microscopy to create 1000 three-dimensional images per second. This allows for the non-destructive study of fast processes in materials, enabling researchers to gain insights into material properties and behavior.
Researchers at Penn State have developed a small-scale laboratory experiment known as a hydrogen test loop to investigate nuclear thermal propulsion. The simulation, which includes a stainless steel pipe and a heating element, successfully models the operation of a reactor in space. The study's findings could lead to more efficient and...
A team of researchers from Harvard, MIT, and the Max Planck Institute developed a theory to explain how hydrodynamic electron flow could occur in 3D materials. They observed it for the first time using a new imaging technique, providing evidence of strong interactions between electrons in high-density materials.
A team of researchers has demonstrated how a detailed Life Cycle Assessment (LCA) can mitigate against negative environmental impacts in metal mining explorations. The new approach helps identify potential 'hot-spots' before extraction operations begin, allowing geologists to select targets with lower environmental impacts.
Researchers from Osaka University introduced a non-contact quality control technology to 3D printing by detecting fine-scale defects below the surface of 3D-printed metal assemblies. They used laser ultrasonics to uncover small defects that are frequently difficult to image.
MnBi2Te4's unique properties make it suitable for ultra-low-energy electronics and observing exotic topological phenomena. The material is metallic along its one-dimensional edges while electrically insulating in its interior.
A research group employed ultra-small testing technologies to measure the interfacial bonding strength of coated materials. The study successfully measured the shear strength of a tungsten coating on ferritic steel, contributing to the safe application of multi-material technology in industrial components.
A multidisciplinary organization has reached consensus on guidelines for performing, interpreting, and reporting MR defecography. The consensus templates aim to standardize care for patients with evacuation disorders of the pelvic floor.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
Researchers developed a new material that can form nanoscale thickness water-resistant coatings with self-healing properties. The coating is robust enough to survive scratches and has potential applications in various industries.
Scientists from Trinity College Dublin have developed tiny, color-changing gas sensors using new materials and 3D printing techniques. These sensors can detect solvent vapors in air and have potential applications in wearable devices for health monitoring and low-cost environmental monitoring systems.
Researchers from SUTD discover a family of 2D semiconductors with Ohmic contacts, reducing electrical resistance and generating less waste heat. This breakthrough could pave the way for high-performance and energy-efficient electronics, potentially replacing silicon-based technology.
Researchers synthesized a new conjugated polymer using two chemical reactions, showing it outperforms traditional methods in organic and perovskite solar cells. The Stille reaction pathway yielded superior results with efficiencies of up to 15.1% in photovoltaic devices.
The study explores chromium oxides, magnetic compounds used in old tapes, and finds that adding oxygen atoms increases metallic properties. This allows for precise control over electrical conductance, enabling the design of molecular-sized components with vast processing and storage capacities.
Researchers have developed a new approach to generating terahertz radiation, which can be directly generated on an electronic chip. This breakthrough enables the use of terahertz radiation in various applications, including materials science and communications technology.
Researchers investigated glass fiber-reinforced epoxy-based flat laminates with pultrusion, a fast and versatile composite manufacturing process. The study found significant promise for structural applications of these 'shape memory' composites in various industries.
Researchers found that homemade face masks made from cotton towel fabric are most effective in blocking aerosolized viruses. The study suggests that a three-layered mask is recommended for maximum efficacy, and washing has a negligible influence on mask effectiveness.
Researchers at DTU have developed a new method for designing nanomaterials with unprecedented precision, allowing for the creation of compact and electrically tunable metalenses. This breakthrough enables the development of high-speed communication and biotechnology applications.
A team of researchers from the Paul Scherrer Institute has discovered that the brachiopod shell can become extremely soft in water due to the absorption of liquid, allowing it to be folded without breaking. The transformation is reversible, and the shell returns to its hard state upon drying.
Researchers have solved the mystery of chlorine's role in perovskite solar cells by imaging atoms at the surface. The team found that chlorine is incorporated into the material through grain boundaries, increasing stability and efficiency. An optimal concentration of chlorine was discovered to deliver high stability.
A new study from the University of Colorado Boulder found that washing and drying reusable cloth masks doesn't compromise their ability to filter out viral particles. The research confirms that layering a cotton mask on top of a surgical mask provides more protection than cloth alone, with filtration efficiency reaching up to 40%.
The RIT workshop series on sustainable computing aims to create computers with environmental consciousness from raw materials to recycling. Keynote speakers will discuss trends in computing and its environmental footprint.
Scientists have developed a chemical process that converts hydrogen sulfide, a toxic gas emitted from manure piles and sewer pipes, into hydrogen fuel. The process uses iron sulfide with a trace amount of molybdenum as an additive and requires relatively little energy.
Researchers have discovered a way to use mining waste as part of a potential cheaper catalyst for hydrogen fuel production. The new catalyst triggers water splitting reactions using aluminosilicate minerals found in mining waste, which could lead to lower production costs and increased efficiency.
Researchers at Skoltech have identified a favorable window of opportunity for manned Mars missions in the mid-2030s. The study suggests that launching during the decaying phase of solar activity can help shield astronauts from cosmic rays, allowing for longer flight durations.
Scientists from Tokyo University of Science and NIMS Japan have evaluated the irreversibility of LixWO3 thin films. They found that irreversible Li+ trapping and Li2WO4 formation are different processes, with proportions of 7.7% and 50.9%, respectively.
Researchers at Shinshu University successfully insert Mg2+ between graphite layers, achieving a large reversible capacity of ~200 mA h g-1. This breakthrough paves the way for developing magnesium secondary batteries with high energy density and long lifespan.
Researchers at the University of Tokyo have made a surprising discovery about the behavior of electrons in iron-based superconducting materials. They found that the electrons form a nematicity wave, which could help them understand how electrons interact with each other in superconductors and lead to new discoveries.
Researchers from India and Saudi Arabia have combined oxidation and photocatalysis to create a heterogeneous photo-Fenton system that degrades phenols at higher rates than individual approaches. The system is highly photostable and reusable, making it promising for practical applications in wastewater purification.
Researchers from Pusan University developed a super-stretchable, deformable, and durable material for 'super-flexible' alternating current electroluminescent devices. The material was successfully applied in devices that functioned with up to 1200% elongation, displaying stable luminescence over 1000 cycles.
The new MDS-Rely Center aims to produce breakthrough research that benefits the US economy by linking industry innovators, government agency labs, and academic teams. The center will help prepare skilled workers and provide employment opportunities for students and graduates.
Scientists at Tokyo University of Science develop a new methodology to investigate the elusive electric double layer (EDL) effect in all-solid-state batteries. The study reveals that the EDL effect is dominated by the electrolyte's composition and can be suppressed through charge compensation, leading to improved performance.
The study reveals that the capacity of sodium ions can match today's lithium-ion batteries, offering a cost-efficient and abundant alternative for energy storage. The unique structure of Janus graphene enables high-capacity energy storage, with specific capacities approaching those of lithium in graphite.
Researchers developed a pollen-based hybrid ink that can be used to fabricate parts useful for tissue engineering, toxicity testing and drug delivery. The ink is biocompatible, flexible and low in cost, allowing for the creation of customized flexible membranes tailored to human skin contours.
Researchers have discovered a room-temperature transition between 1D and 2D electrical conduction states in topological crystals of bismuth and iodine. The material's electronic behavior changes at a transition temperature around 80 degrees Fahrenheit.
Researchers developed a new phosphorescent material inspired by wood's natural ability to faintly glow, using lignin trapped within a 3D polymer network. The material glows visibly for around one second and has potential applications in medical imaging, optical sensing, and textile industry.
This special issue of Journal of Dental Research focuses on the complex interactions between biomaterials, fluids, cells, and tissues in the oral cavity. Researchers discuss designs for surfaces that trigger desirable biological responses, such as enhanced adhesion to dentin or bone.
Researchers at MLU and Brazilian University of Pará create climate-friendly cement alternative by replacing limestone with Belterra clay, a previously unused overburden from bauxite mining. The new cement is just as stable as traditional Portland cement and reduces CO2 emissions during production.
A University of Missouri researcher is using a grant from the National Science Foundation to explore how time can factor in a building collapse. She's conducting thousands of hours of laboratory tests to determine the breaking points of reinforced concrete building materials.