Articles tagged with Titanium
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A recent study detected titanium dioxide particles in 100% of animal milk samples and 83% of infant formulas, revealing widespread contamination. The findings suggest that infants' exposure to these particles does not end at birth, raising concerns over human and animal health.
Researchers from UK and Canada will study ways to reduce mining's environmental footprint and enhance efficiency across critical mineral value chains. The project aims to develop new geological models and exploration tools for rare earth element deposits, aiming to diversify the supply chain and ensure high environmental standards.
Researchers at JAIST have developed a low-dose imaging technique that maps the three-dimensional atomic structure of titanium oxyhydroxide nanoparticles without damaging them. This breakthrough enables safer analysis and opens possibilities for designing materials with enhanced functionality.
Researchers utilized machine learning models to identify key surface attributes modulating immune response, paving the way for improved implant materials. The study revealed pivotal factors regulating cytokine secretion and offered insights into designing alloys with optimized immunoregulatory functions.
A new study from the University of Gothenburg found that titanium micro-particles are consistently present at all examined implants, even those without signs of inflammation. The researchers identified 14 genes that may be affected by these particles, but further research is needed to understand their impact on tissue health.
Researchers have developed a novel semiconductor material that significantly improves the efficiency of photocatalytic water splitting by eliminating charge recombination and facilitating efficient charge separation. The Sc-doped TiO2 semiconductor achieves a record-breaking quantum yield of 30.3% and a solar-to-hydrogen efficiency of ...
Researchers have developed nanomats that can absorb light energy to break down harmful pollutants in air and water. These lightweight blankets can be reused multiple times and are environmentally friendly, offering a promising solution for clean drinking water production.
Researchers at Johns Hopkins University Applied Physics Laboratory have discovered a new way to strengthen titanium alloys using AI, enabling faster production and improved mechanical properties. The breakthrough has implications for industries such as shipbuilding, aviation, and medical devices.
A recent study from the University of Gothenburg found that dental implants continue to function well after nearly forty years. The implants, developed by Professor Per-Ingvar Brånemark, have been shown to remain stable and integrate with bone over an extended period.
A team of researchers from the University of Tokyo has developed an ultrathin film that can absorb terahertz waves in the 0.1–1 THz range, enabling secure and clear transmission for 6G wireless communications. The absorber is made of titanium and oxygen and can be used outdoors due to its resistance to heat, water, light, and organic s...
A research team at Yokohama National University developed a method to study titanium's electronic structure using high harmonic generation. They found that the orientation of electrons affects the material's strength, flexibility, and bonding behavior.
A recent study published in Nature Communications has reported a method for determining the location of hydrogen in nanofilms. The researchers used nuclear reaction analysis and ion channeling to generate two-dimensional angular mapping of titanium hydride nanofilms, precisely locating both hydrogen and deuterium atoms.
Scientists have successfully created element 116 using a beam of titanium-50, marking a crucial step towards creating the heaviest element yet, element 120. This achievement validates the method of production and provides a promising path forward for researchers to explore elements at the extremes.
A new study by Osaka Metropolitan University researchers suggests that the nuclear structure of titanium-48 changes depending on its distance from the nucleus. The findings provide clues to the α-decay process in heavy nuclei and could help solve a 100-year-old physics mystery.
Scientists at Karlsruhe Institute of Technology have developed a new cathode material, NaNi0.9 Ti0.1 O2, which shows improved cycling stability and high theoretical specific capacity, positioning it as a potential candidate for high-energy-density sodium-ion batteries.
Researchers at the Institute of Industrial Science, The University of Tokyo, have developed a cost-effective method to produce nearly oxygen-free titanium. This process could facilitate mass production of titanium alloys in industries such as electronics and aerospace.
Researchers at Tohoku University found that tin addition strengthens beta-type titanium alloys by suppressing the formation of a brittle omega phase. This discovery enhances the material's suitability for biomedical implants, which provide vital support for people with degenerative bone conditions or aging populations.
A systematic investigation by Osaka Metropolitan University calculated 120 combinations of alloy elements with carbon and nitrogen to form bonds in steel. The results showed that specific arrangements of elements harden the iron, improving durability and material strength.
The team developed a deep learning AI technique to quantitatively analyze cation mixing using atomic structure images. This approach revealed that introducing metal dopants like aluminum, titanium, and zirconium into the transition metal layer fortified bonds between nickel and oxygen atoms, curbing cation mixing.
Researchers develop new method to fabricate anti-fatigue 3D-printed titanium alloy by regulating microstructure and defects, showing remarkably high fatigue resistance and specific strength. The study reveals potential advantages of 3D printing technology in producing structural components.
Researchers have developed a straightforward process to create all eight possible variants of polypropionate building blocks from a single starting material. This technique enables the production of high-purity, specific variants needed in drug manufacture, potentially leading to more effective medicines.
Researchers investigate grain size and temperature effects on Ti deformation at extremely low temperatures, finding that cryogenic temperatures trigger deformation twinning, boosting strength and ductility. The study proposes a modified Hall-Petch relationship to explain strengthening mechanisms at cryogenic temperatures.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
Researchers at North Carolina State University have identified a welding technique that can join composite metal foam components without impairing their properties. The new method uses induction welding, which penetrates deeply into the material and insulates it against heat.
Researchers have developed additively manufactured Ti-Ta-Cu alloys that exhibit improved biocompatibility and bacterial resistance, making them a promising alternative to traditional Ti6Al4V implants. The alloys were found to display remarkable synergistic effects in improving both in vivo biocompatibility and microbial resistance.
Researchers at Washington State University have created implantable metals that can kill 87% of bacteria causing staph infections in lab tests. The 3D-printed materials combine titanium with copper and tantalum, offering inherent antibacterial response and improved bone tissue integration.
The study found that Ryugu and CIs share a common genetic heritage, but the asteroid's Cr isotopes exhibit anomalies that could be caused by water-driven processes. These anomalies are thought to have arisen from the physicochemical fractionation of presolar nanoparticles and secondary minerals.
Researchers discovered that titanium micro-spikes with rough surfaces can effectively kill drug-resistant fungus and Candida species through apoptosis. The findings suggest that these surface features may be a promising approach to combatting superbug resistance.
Gallium oxide-based flash memory device demonstrates high performance and stability in extreme temperatures and radiation, retaining data for over 80 minutes. The team aims to improve device properties through further material quality and design advancements.
Researchers have developed a novel catalysis scheme that enables previously impossible chemical reactions without the use of rare and precious metals. The method uses light to activate the catalyst, allowing for the optimization of the process.
Researchers develop a highly active, precious metal-free catalyst for ammonia decomposition. The new Ni-based catalyst outperforms conventional alternatives at lower temperatures, offering a promising solution for hydrogen production from ammonia.
Researchers believe convection in the mantle was stratified into two distinct layers, isolated from each other, until a phase transition at 660 km depth. This restriction to upper mantle recycling and mixing has implications for our understanding of Earth's primordial composition.
The research team produced a new strong, ductile, and sustainable titanium alloy through additive manufacturing, exhibiting better mechanical performance than traditional methods. This innovation addresses waste management issues in titanium alloy production, enabling recycling of off-grade sponge titanium.
Researchers at Drexel University have developed a photocatalytic titanium oxide nanofilament material that can harness sunlight to unlock the potential of hydrogen as a fuel source. The material outperforms current methods and is stable for months, offering a sustainable and affordable path to creating hydrogen fuel.
Researchers developed a polarization-angle-resolved Raman microscope to visualize disorder effects on ferroelectric polarization. The study reveals slow response of nanometer-scale electric polarization, enabling significant charge storage and enhanced dielectric properties.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers have developed strong and ductile titanium alloys by integrating alloy and 3D-printing process designs, enabling new sustainable applications in aerospace, biomedical, and energy technologies. The breakthrough utilizes circular economy thinking to produce alloys from industrial waste and low-grade materials.
Research finds that E171 nanoparticles are rapidly absorbed through the buccal cavity, causing oxidative stress and damaging DNA in human oral epithelial cells, potentially affecting cell regeneration
Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.
Researchers at Tokyo Institute of Technology developed a simple sol-gel method to synthesize highly pure bifunctional solid acid-base catalysts with desirable properties. The new method produces SrTiO3 nanoparticles with high surface area, showing 10 times higher catalytic activity than commercially available titanates.
A team of researchers has proposed a new technical route for all-solid-state lithium-based batteries (ASSLBs), overcoming limitations with highly compressible and conductive cathode material. This breakthrough could lead to safer and more energy-dense batteries.
Researchers at Nagoya University developed a new dry etching method for metal carbides, allowing for the selective removal of TiAlC from other compounds. This technique enables the fabrication of gate-all-around transistors with improved performance and reduced leakage.
Researchers at Hokkaido University have discovered a new pathway to forming presolar grains, which could help scientists better understand the interstellar environment and develop more efficient nanoparticles. The study suggests that these grains formed through a non-classical nucleation pathway, involving three distinct steps.
Researchers at Kyoto University have developed nanoantennas that significantly increase the efficiency and photoluminescence of white LEDs by replacing aluminum with titanium dioxide. This breakthrough enables the creation of intensely bright yet energy-saving solid-state lighting solutions.
Researchers from Japan and India developed hierarchical nanosheets of titanium diboride as anode material for lithium-ion batteries, achieving high discharge capacities and fast charging rates. The breakthrough showcases the potential of nano-scaling bulk materials to attain promising properties in energy storage.
A team of researchers from Japan Advanced Institute of Science and Technology developed an analytical tool to investigate the ordering of fluorine in lead titanium oxyfluoride. They used first-principles calculation to analyze experimental results and determined the element substitution positions, finding that fluorine atoms predominan...
Scientists at EPFL have developed a method to enhance the packing of photosensitizer dye molecules, resulting in DSCs with power conversion efficiencies of up to 28.4% and long-term operational stability. This breakthrough offers promising prospects for applications as power supply and battery replacement for low-power electronic devices.
Researchers developed in-situ Ni alloying method to tailor microstructure and enhance strength of LAAM Ti-6Al-4V alloy. The results show that Ni addition increases yield strength and tensile strength while decreasing ductility.
Researchers discovered titanium's record-high superconductivity above 26K at high pressures, exceeding the previous record by 4K. The high-temperature superconductivity is attributed to electron correlations and phonon coupling, making it suitable for applications in diverse environments.
Researchers have discovered that particles from everyday wall paints can harm living organisms due to their small size. A novel membrane developed at the University of Bayreuth shows high filtering effects, removing these particles from water before they enter the environment.
Researchers developed an iron oxide-based ultraviolet-absorbing powder material, which can neutralize UV radiation and is safer than titanium dioxide. The material was found to have comparable performance and stability to TiO2 materials currently used in sunscreens.
A KAUST-led team developed organic semiconductor-based photocatalysts to store solar energy as clean hydrogen fuel. These catalysts can absorb visible light and generate long-lived charges, improving efficiency for hydrogen evolution.
Researchers have developed a coating material that can be written on using UV light and erased again using oxygen, enabling reusable/rewritable surfaces in various applications. The material exhibits high contrast and stability, with up to 50 write-erase cycles possible without notable loss of contrast.
Researchers at Waseda University demonstrate a novel zirconocene-catalyzed epoxide ring-opening reaction under visible light, expanding the reaction scope and regioselectivity. The approach enables accessible synthesis of elusive alcohol products with improved efficiency and environmental sustainability.
Scientists at Ural Federal University have developed a simpler and more effective method for synthesizing titanium-based nanocomposite coatings. The new approach allows for the production of wear-resistant coatings with controlled properties, suitable for various applications such as aircraft and biomedicine.
Engineers at University of Illinois Chicago develop additive material to make inexpensive iron-nitrogen-carbon fuel cell catalysts more durable. The material scavenge and deactivate free radicals, reducing corrosion and degradation in fuel cells.
Scientists at Nanyang Technological University, Singapore, have developed a durable coating that prevents fogging and 'self-cleans' under sunlight exposure. The coating shows excellent adherence to the plastic surface and maintains durability in tests, offering an attractive long-term solution for various applications.
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.
Scientists create a flexible supercapacitor using wrinkled titanium carbide nanosheets that maintains its ability to store and release electronic charges after repetitive stretching. The device has a high energy capacity comparable to existing MXene-based supercapacitors, but with extreme stretchability up to 800% without cracking.
Astronomers have found powerful evidence for a neutrino-driven explosion in the remains of a supernova called Cassiopeia A (Cas A). The discovery was made using NASA's Chandra X-ray Observatory and suggests that titanium bubbles play a crucial role in driving the shock wave forward to trigger the supernova explosion.