Articles tagged with Titanium
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Researchers at DGIST developed a highly efficient titanium dioxide-based photocatalyst that can convert carbon dioxide into methane. The newly created material shows the highest conversion rate of 12.49% and has been proven to increase methane conversion efficiency up to 29 times using platinum nanoparticles.
Researchers use Hubble Space Telescope to find 'sunscreen snow' on hot giant planet outside solar system, where titanium dioxide condenses into clouds. The discovery sheds light on exoplanet climates and may aid in gauging Earth-size planets' habitability.
Scientists at Tomsk Polytechnic University are creating hydrogen-resistant products from titanium alloys using additive manufacturing. They plan to print aircraft parts out of BT6 and BT9 titanium alloys, aiming to improve properties such as wear resistance and corrosion resistance.
A new study published in Environmental Engineering Science found that titanium dioxide, commonly used in foods and coatings, can affect the types of bacteria present in the human gut and its pH. The study suggests that food-grade TiO2 produces different microbial responses compared to industrial-grade particles.
Scientists at Tokyo Tech have reported superconductivity in two types of higher titanium oxides grown as ultrathin films. The materials exhibit a high transition temperature of up to 7.1 K, making them promising for fundamental physics and potential applications in faster computers.
A team of astronomers has detected titanium oxide in the atmosphere of WASP-19b, an exoplanet with a temperature of 2000 degrees Celsius. The discovery was made using ESO's VLT and allows for more accurate modeling of exoplanet atmospheres.
Researchers have devised a new way of producing hydrogen fuel by combining a photosensitive protein with titanium dioxide particles in nanodiscs. The process, which uses sunlight to generate energy, results in the production of hydrogen at an efficiency rate of 45% or more.
Environmental scientists at Virginia Tech have discovered that burning coal produces tiny titanium oxide nanoparticles, which can be toxic to humans. These nanoparticles were found in coal ash, city streets, and even wastewater treatment plants worldwide.
Researchers found that titanium dioxide nanoparticles can increase inflammation and damage to the intestinal mucosa in mice with colitis. Patients with colitis are recommended to avoid foods containing E171, a food additive made from titanium dioxide.
Scientists have discovered a cheap and efficient way to produce olefins, the chemical feedstock for many products, using a titanium-based catalyst. The reaction can be performed at low temperature and has the potential to reduce greenhouse gas emissions and costs associated with traditional fossil fuel-based methods.
A new titania photocatalyst has been developed to convert carbon dioxide into methane three times more efficiently than existing catalysts. The photocatalyst's controlled band gap improves light absorption and charge separation, increasing the conversion rate of CO2 into methane.
Scientists have determined that water is only slightly more likely to stay in one piece as it binds to the catalyst surface than it is to form hydroxyl pairs. This small advantage has significant implications for industries using titanium dioxide, including alternative fuel production and solar energy.
Researchers at TU Wien have successfully switched individual oxygen molecules between a reactive and unreactive state using a force microscope. This process enables new possibilities for investigating the inner workings of photocatalysts.
Chronic exposure to titanium dioxide nanoparticles can decrease the ability of small intestine cells to absorb nutrients and act as a barrier to pathogens. This can lead to slowed metabolism and increased difficulty in absorbing certain nutrients like iron, zinc, and fatty acids.
Researchers have grown a new type of titanium surface that repels blood, potentially reducing the risk of rejection and complications in medical implants. The 'superhemophobic' material is made by altering the surface chemistry of titanium, which normally attracts blood.
Scientists at the University of the Basque Country have created coatings for dental implants that can prevent bacterial colonization and adhesion. The new coatings were developed using sol-gel synthesis and added antibacterial agents, achieving successful results in preventing osseointegration problems and infections.
The UK's aerospace manufacturing industry is set to benefit from a new process for producing aerospace-grade titanium alloys, FAST-forge. Developed by the University of Sheffield, this technology provides more design flexibility and could lead to improved buy-to-fly ratios.
Researchers created fibers that can capture and release solar energy, forming a flexible textile for powering small electronics like tablets and phones. The new materials were woven into a 'smart garment' that can be cut and tailored to store power from sunlight.
The Kiel research team has developed a process called nanoscale-sculpturing, which allows metals like aluminium and titanium to be permanently joined with almost any surface. This enables the creation of water-repellent surfaces and improves biocompatibility for medical implants.
A new study suggests that super-eruptions can be predicted with a year's warning due to the growth of quartz crystals on their surface. The research found that most rim growth times are less than one year, indicating a one-year warning period before an eruption occurs.
Researchers have created a titanium-gold alloy that is four times harder than most steels, making it an ideal material for artificial knee and hip joints. The alloy's improved hardness and biocompatibility are due to its unique crystal structure, which is resistant to wear and tear.
Researchers at Colorado State University have developed a simple and inexpensive device that can sort droplets of liquid based solely on their varying surface tensions. The device uses a tunable surface chemistry to manipulate its repellency to different liquids, enabling the sorting of droplets by surface tension.
Researchers from RIKEN successfully attach a biologically active molecule to a titanium surface, inspired by the adhesive properties of mussels. The hybrid protein showed strong binding capabilities to the metal, even when washed with water-based solutions.
Researchers at PNNL have developed a stronger titanium alloy using a novel nanostructure, with potential applications in lightweight vehicle parts. The alloy achieved a 10-15% increase in strength, making it suitable for high-strength-to-cost ratio and greater fuel economy.
A team of researchers developed a new imaging approach that provides images of a single cell with micrometer resolution using a contrast based on the cell's thermal properties. This technique allows for unprecedented sensitivity in detecting diseased conditions at the sub-cell scale and may aid in optimizing cryopreservation processes.
The Chang'e-3 mission provided 'ground truth' for lunar volcanism, with basalts found to be unlike those returned by Apollo and Luna missions. The findings suggest the Moon's upper mantle is composed of diverse minerals, providing clues to its formation and evolution.
Researchers at Case Western Reserve University have created flexible, wire-shaped microsupercapacitors that can be woven into garments to power wearable electronics. The capacitors increase energy density and capacitance by coating a titanium wire with aligned carbon nanotubes, allowing for more efficient charging and discharging.
Scientists at NASA's Goddard Space Flight Center are developing a beach ball-sized titanium occulter to study the sun's corona and predict solar flares. The mission aims to improve scientists' understanding of coronal mass ejections, which can disrupt electronics and power grids.
Researchers at North Carolina State University and Chinese Academy of Sciences have developed a technique to make titanium stronger while maintaining its ductility. The new material combines ultrafine-grained strength with coarse-grain ductility, enabling the creation of strong yet flexible materials for vehicle manufacturing.
A 54-year-old Spanish man received a revolutionary new implant made from 3D printed titanium alloy, designed to replicate the intricate structures of his sternum and ribs. The innovative prosthesis was created by medical device company Anatomics in collaboration with CSIRO's 3D printing facility Lab 22.
Researchers at Drexel University have developed a method to combine disparate elemental layers into stable materials with uniform properties. By sandwiching two-dimensional sheets of elements, they created new layered materials that may expand options for faster, smaller, and more efficient energy storage.
Rings made of titanium are difficult to remove from swollen fingers due to their resistance to cutting methods. A new solution has been developed by plastic surgeons using bolt cutters, which work in under 30 seconds and can be performed solo without damaging the finger.
Researchers at MIT have developed a novel electrode made of nanoparticles with a solid shell, and a yolk that can change size without affecting the shell, improving cycle life and energy storage. The use of aluminum as the key material has proven to be high-rate champion among high-capacity anodes.
A new study has found an alternative limb-lengthening technique that significantly reduces the amount of time patients spend in the external fixator, from 11 months to seven months. The technique combines an internal titanium rod with the external fixator, resulting in good-to-excellent outcomes for trauma patients.
A study suggests that traditional water pretreatment methods such as coagulation, flocculation, and sedimentation are insufficient to remove titanium dioxide nanoparticles from water. The results highlight the need for improved treatment processes to address emerging engineered nanoparticle risks.
Scientists at the University of California, Berkeley, found that oxygen causes titanium to become brittle by acting as bumps in the road for dislocations. This discovery has the potential to open up more practical uses of titanium in various applications, including construction and aerospace industries.
Scientists have developed micromotors that use water as fuel to rapidly neutralize chemical and biological warfare agents. The micromotors propelled titanium dioxide to accelerate the decontamination process, showing promise in combating these dangerous agents.
Researchers develop a novel catalyst to cleave aromatic carbon-carbon bonds in benzene at relatively mild temperatures, offering unprecedented mechanistic details on hydrocracking. This breakthrough could lead to more efficient and selective production of valuable materials from natural resources.
Shanghai researchers create a new antibacterial material by coating titanium with gold nanoparticles, which effectively kills bacteria and promotes bone growth. This innovative approach may lead to improved implant surfaces and reduced surgical complications.
Researchers created a titanium dioxide roof tile coating that breaks down 21 tons of nitrogen oxides daily, equivalent to an 11,000-mile car drive. The coating costs only $5 per roof, making it a cost-effective solution for reducing smog in the region.
Hyperbolic metamaterials, created by Purdue University researchers, offer promising advances in optics and electronics. The ultra-thin crystalline films, composed of metal and dielectric materials, could lead to powerful microscopes, quantum computers, and high-performance solar cells.
Researchers at Vienna University of Technology have discovered that tiny step edges on titanium oxide surfaces enable the accumulation of electrons, allowing oxygen atoms to attach more strongly. This finding offers opportunities for creating more efficient solar cells and catalysts.
A recent study published in the journal Fire and Materials found that titanium alloy golf clubs can ignite fires when striking rocks in the rough. The researchers discovered that sparks from these clubs can reach temperatures of over 3,000 degrees Fahrenheit, posing a significant risk to dry foliage.
The University of Tennessee at Knoxville is leading a national research effort focused on developing new lightweight materials for fuel-efficient cars and aircraft. The initiative aims to improve vehicle performance, safety, and energy efficiency by reducing material weight while maintaining strength.
A novel method reduces the energy required to separate titanium from its tightly bound companion, oxygen, making it more affordable and accessible. The new approach halves the temperature requirements of conventional methods and consumes 60% less energy.
Researchers developed a coating that reduces stress and bacterial adhesion, minimizing the risk of infection. The new coating combines hydroxyapatite and beta-tricalcium phosphate, improving cell proliferation and implant integration.
A low-cost, energy-efficient method to extract titanium from ore has been selected by ARPA-E, promising a 60% reduction in titanium costs. The CWRU team's direct electrolytic process eliminates the need for expensive reducing agents, simplifying production and boosting domestic titanium manufacturing.
Researchers found that a less reactive form of titanium dioxide, rutile, is easier to wash off and causes less skin damage than the more common anatase form. This discovery aims to produce safer cosmetic and pharmaceutical products.
An international team of researchers has confirmed theoretically-predicted interactions between single oxygen molecules and titanium dioxide, revealing a new atomic crystal dynamic. This discovery could lead to the development of more active oxygen-rich photocatalysts for converting CO2 into useful hydrocarbons.
Researchers at Ohio State University have developed a new coating for medical implants that can boost bone cell growth by nearly 80%, potentially leading to faster healing of joint replacements and broken bones. The coating, made of tiny metal oxide wires, allows bone cells to cling more easily and form a stronger bond with the implant.
A protein found in ancient microorganisms that live in desert salt flats has been combined with semiconducting nanoparticles to create a system that uses light to spark a catalytic process creating hydrogen fuel. This bio-assisted hybrid photocatalyst outperforms many other similar systems in hydrogen generation.
Researchers at University College London have uncovered a groundbreaking explanation for the properties of mixed-phase titania catalysts, revealing that anatase has lower energy levels than previously thought. This discovery will aid in developing more efficient photocatalysts with applications in clean energy and self-cleaning coatings.
Researchers have created a sturdy, transparent, and indium-free electrode from silver (Ag) and titanium dioxide (TiO2) that could replace indium-based electrodes. The new electrode has a low sheet resistance and high optical transmittance, necessary for high-performance devices.
Researchers at Indiana University found that titanium dioxide coatings, used in air-pollution-removal technology, convert abundant ammonia to nitrogen oxide, increasing harmful ozone pollution. The study's findings call into question the effectiveness of this technology in reducing pollution.
Researchers at PNNL developed an organic binder to reduce impurities in reactive metals, enabling their use in powder injection molding. This innovation reduces costs and increases the use of durable metals in various industries.
Scientists have developed an artificial forest of semiconductor light absorbers, interfacial layers, and co-catalysts to mimic natural photosynthesis. The system achieved a 0.12-percent solar-to-fuel conversion efficiency, but further improvements are needed for commercial use.
Researchers at Stanford University have created a new type of nanoscale particle that can decontaminate tainted water and be easily recovered with a magnet. The 'synthetic antiferromagnetic cores' are ultraresponsive to magnetism, allowing for efficient collection of nearly all particles.
Researchers at Ruhr-University Bochum discovered how tiny gold particles selectively transform methanol into formaldehyde, a crucial step in producing everyday plastics. The catalyst produces only water as a byproduct, making it an environmentally friendly alternative.
A UC Riverside engineer is exploring a nearly century-old manufacturing technique to strengthen tiny titanium-based medical devices, which could lead to significant improvements in their performance and reliability. The technique, known as gas nitriding, involves heating the device in a nitrogen atmosphere to increase its strength.
A new nanomaterial dubbed Multi-use Titanium Dioxide (TiO2) can generate hydrogen, produce clean water, and create energy. It also desalinate water, be used as flexible water filtration membranes, recover energy from waste brine, and double the lifespan of lithium ion batteries.