Articles tagged with Titanium
Researchers at Helmholtz Centre Berlin have developed a method for producing titanium dioxide nanoparticles at room temperature in a polymer network. The analysis showed that the nanoparticles are homogeneously distributed over the polymeric nanoreactors and have a crystalline structure, enabling their use as catalysts.
Researchers have developed new methods for controlling magnetic order in magnetoelectric materials using electrical signals, potentially leading to faster and more efficient memories. This breakthrough could also enable the creation of non-binary memories and improved magnetic field sensors.
The new titanium personnel sphere has been successfully tested to withstand the extreme pressures of 6500 meters, with sufficient data collected to support certification for human-occupied operations. The upgrade project is a significant step towards resuming ocean science missions with Alvin in the near future.
Researchers have developed a new technique to control the crystalline structure of titanium dioxide at room temperature, enabling precise control over its properties. This allows for the creation of materials with optimal structures for specific applications, such as photovoltaic cells and hydrogen production.
A study published in the Journal of Clinical Periodontology concludes that a two-step tooth implantation method is more effective than a one-step process. The research found that implants placed using the two-step procedure show less wear and tear over time, with greater bone stability.
Researchers at Michigan Technological University discovered that adding graphene to titanium dioxide increases conductivity, bringing 52.4% more current into the circuit in dye-sensitized solar cells.
Researchers have successfully manufactured a full-size ship hull section made entirely from marine-grade titanium using friction stir welding. The development aims to bring titanium into future Navy ship construction, offering high strength, light weight, and corrosion-resistance.
A recent chemical analysis of lunar material and Earth samples suggests that the moon was formed solely from the Earth, contradicting the widely held theory of a giant collision. The research found identical titanium isotopic compositions between the moon and Earth, indicating a single parentage.
Researchers have found a promising candidate for plasmonic materials in titanium nitride, enabling the transportation of plasmons and directing optical signals on the nanoscale. This discovery could lead to faster and more efficient optoelectronic devices with unprecedented speed and efficiency.
A recent study by the Norwegian Institute of Public Health found that silver nanoparticles can suppress cellular growth and multiplication, causing cell death depending on concentration and duration of exposure. Titanium dioxide nanoparticles also caused DNA damage but with weaker effects.
Scientists have developed a new cotton fabric that uses a titanium dioxide coating to clean itself of stains and bacteria when exposed to ordinary sunlight. The coating accelerates discoloration processes and remains intact after washing and drying.
Scientists at the University of Gothenburg create a nanostructured surface on implants, fooling the innate immune system and reducing rejection rates. The unique surface mimics natural structures, allowing the body to integrate foreign objects more easily.
Researchers Hu et al. developed a new detonation model named the least-action detonation model (LADM) that takes into account complex movement and transport effects, differing from the classical ZND model. The LADM model predicts detonation product particles to be in a stationary state, which has been observed in experiments.
Researchers at the University of Texas at Dallas and Washington State University have discovered a way to break down and capture individual hydrogen atoms using an aluminum alloy. This breakthrough could lead to a robust and affordable fuel storage system, enabling the widespread use of hydrogen as a renewable energy source.
Researchers have successfully developed a new, cheaper alloy for shape memory materials, which could revolutionize industries such as aerospace engineering and electronics. The new alloy, produced using copper, has shown promising properties and is expected to be cost-effective alternative to existing alloys like Nitinol.
University of Virginia researchers have identified a new type of catalytic site for oxidation reactions, which could lead to the development of more efficient catalysts. The discovery was made using a combination of experimental and theoretical tools, including spectroscopy and computational chemistry.
Researchers developed a highly sensitive method to determine titanium levels in human blood, establishing a baseline for natural levels and measuring levels in patients with surgical implants. The study found significantly higher titanium concentrations in patients with implants, shedding light on the potential harmful biological effects.
A cost-effective method for coloring titanium using an electrochemical solution has been developed, enabling over 80 shades of basic colors and crack-free stability. The technology has potential applications in various industries, including healthcare, aviation, and the military.
Brown University researchers created two nanoscale surfaces that promote skin cell growth on titanium leg implants, sealing the gap where bacteria can enter. The findings show nearly doubled skin cell density within five days, indicating a complete layer of skin has been formed.
Researchers from Lawrence Berkeley National Laboratory created a durable and efficient photocatalyst that can collect solar energy to extract hydrogen from water. The disorder-engineered nanocrystal absorbs infrared light, making it attractive for use in clean-energy technologies.
Rice University researchers have developed a method to enhance the effectiveness of a common disinfectant, increasing its ability to degrade aerosol- and water-borne viruses by more than three times. The new technique involves adding silicone to titanium dioxide, which is widely used in paints, sunscreen, and food coloring.
Researchers developed a titanium coating with protein 'flower bouquet' nanoclusters that strengthened implant attachment by 50% compared to standard coatings. The clusters improved bone growth around the implant, enhancing cell adhesion signals and promoting better integration of biomaterial implants into bone.
Researchers at Berkeley Lab have created micro-supercapacitors with high energy storage densities, potentially replacing batteries in portable devices. The new technology integrates supercapacitors into microfabrication processes, enabling faster and longer-lasting energy storage.
The University of Illinois team developed a novel method for creating complex three-dimensional structures using printed origami techniques. The technique allows for the rapid assembly of biocompatible devices, microscaffolding, and other microsystems, with potential applications in biomedical devices, electronics, and more.
A team of researchers at Penn State has discovered that certain combinations of elemental atoms can mimic the electronic signatures of other elements. By examining photoelectron spectroscopy data, they found similarities between titanium monoxide and nickel, zirconium monoxide and palladium, and tungsten carbide and platinum.
Researchers at the University of Leeds have developed a process to recover significant quantities of rare-earth oxides from titanium dioxide minerals in industrial waste. The new method could make green technologies more accessible and reduce reliance on China's dominant supply of these resources.
Researchers found that adding graphene to titanium dioxide-based batteries enhances their performance, with electrodes containing graphene charging and discharging faster than those without. This breakthrough could lead to the development of more efficient lithium-ion batteries using inexpensive materials.
Researchers at NIST have created a flexible memristor that operates on less than 10 volts, maintains its memory when power is lost, and functions after being flexed over 4,000 times. The device bears similarities to a memristor, a component theorized in 1971 as a fourth fundamental circuit element.
A novel approach estimates that titanium dioxide nanoparticles are produced in increasing amounts, posing potential environmental and health risks. The study's findings suggest that up to 2.5 million metric tons of nanomaterial could be released into the environment by 2025.
Researchers from PNNL found that nitrogen-doped anatase titanium dioxide can split water using visible light, while rutile cannot. This discovery could lead to more efficient hydrogen fuel production and environmental cleanup methods.
Chemists have visualized a chemical reaction that splits water into oxygen and hydrogen, improving our understanding of processes like hydrogen production and pollution cleanup. The discovery reveals that water can act as a catalyst, enabling the movement of adatoms on a metal oxide slab.
Boston College researchers have developed a titanium nanostructure that improves the efficiency of energy transport, achieving a peak conversion efficiency of 16.7 percent under ultraviolet light. The novel material enhances the 'water-splitting' technique by collecting and transporting electrons with minimal energy loss.
Researchers from Caltech have developed new titanium-based structural metallic-glass composites that are lighter, less expensive, yet still maintain their toughness and ductility. The breakthroughs could significantly improve the performance of aerospace structures.
The Iowa State University Research Foundation will receive a grant from the Grow Iowa Values Fund to support the development of a cheaper and better way to make a titanium alloy powder for artificial joints. The project aims to reduce corrosion and save patients from additional surgeries.
Scientists have discovered that tiny particles of titanium dioxide can kill bacteria and destroy dirt when exposed to UV light. The new paint formulations show improved antibacterial efficiency, with some reducing bacterial survival by up to 80%.
Researchers found that titanium coating can reduce the attachment of bacteria like E. coli to food contact surfaces, making them easier to clean and reducing the risk of cross-contamination. The study suggests that hygienic surfaces with comparable scratch sizes retain bacteria poorly, which can be achieved through titanium coatings.
Researchers have grown nanonets, a flexible webbing of nano-scale wires, using titanium disilicide to improve material performance. The nanonets multiply surface area, enhancing the material's ability to conduct electricity and potentially leading to breakthroughs in electronics and energy-harvesting applications.
A new antimicrobial surface coating, developed by a team of scientists, has shown promising results in reducing implant-related infections. The hybrid molecule combines two natural products with different modes of action, effectively hindering bacterial growth and attachment.
Researchers discovered a titanium compound that creates a wear-resistant nanoscale layer on engine parts, making it a potential substitute for traditional phosphorus-based additives. This breakthrough could lead to more environmentally friendly engine oils with improved wear resistance.
Scientists have developed a new method to produce hydrogen from water and solar energy, reducing the carbon footprint of traditional production methods. The process uses nanotube diodes that can harness the entire spectrum of sunlight, producing hydrogen and oxygen.
Researchers discovered that nanostructures enhance bone formation on titanium implants as early as 4 weeks after placement. Modifying the size and distribution of nanostructures at the implant surface may lead to faster and more predictable results.
A new biologically inspired material enhances tissue healing, improves bone growth around the implant, and strengthens its attachment to the bone. The coating presented controlled amounts of an engineered protein that mimics fibronectin, directing cell surface receptors to enhance bone formation.
A study finds that east Siberia's permafrost contains 500 Gt of frozen carbon deposits susceptible to disturbances from climate warming. The permafrost's irreversible thawing could release 2-2.8 Gt of carbon into the atmosphere annually between 2300 and 2400, transforming 74% of the initial carbon stock.
Researchers found that Bonelike-coated dental implants promoted extensive new bone formation and attachment, improving incorporation into the jaw. One implant was removed due to poor positioning, allowing for detailed analysis of the coating's effects.
A new process developed by the University of Leeds can produce up to 97% pure titanium dioxide, reducing production costs and environmental impact. The innovative method uses less chlorine and recycles waste CO2 and heat, offering a sustainable alternative to current industrial processes.
Scientists from PNNL found that split oxygen atoms exhibit unexpected chemical behavior on reduced titanium oxide surfaces. The team discovered that one oxygen atom stays in place while the other shimmies away, likely stealing energy from the stationary one.
Researchers at Brown University have developed a new material that enhances bone growth on orthopaedic implants, increasing the success rate of joint replacements and other implants. The new material, created by applying carbon nanotubes to anodized titanium, encourages bone cells to grow faster and produce more calcium.
Researchers created nanocavity-filled titanium oxide nanorods that are 25% more efficient at absorbing UVA and UVB radiation, making them ideal for sunscreen. The method involves simply heating titanate nanorods in air, transforming them into titanium oxide with regular polyhedral nanoholes.
Researchers have developed a nanowire coating on titanium that enhances muscle tissue adhesion for hip replacements and dental reconstructions. The material can also be easily sterilized using UV light or ethanol, making it suitable for hospital settings and food processing plants.
Biomedical engineers create implant materials with nanostructured surface textures that mimic the natural lining of blood vessels. The results show rapid colonization of endothelial cells, preventing overgrowth of smooth muscle cells and reducing restenosis.
Researchers propose a novel method using ultraviolet light and titanium dioxide to cut proteins into manageable pieces for analysis. This technique offers advantages over conventional enzyme-based methods, including reduced sensitivity to temperature and acidity, ease of incorporation, and long-lasting material durability.
A team of geologists at Rensselaer Polytechnic Institute used a new technique to determine that a massive injection of hot magma likely triggered the eruption. The study sheds light on what causes large-scale volcanic eruptions and could help predict future eruptions.
A patented technology developed by HydroGlobe at Stevens Institute of Technology has won the Thomas Alva Edison Patent Award. The Metsorb TM system is a highly effective and low-cost method for removing arsenic and various heavy metals from ground and surface water.
Researchers developed uniform tungsten trimers on titanium dioxide, offering insights into metal oxide catalysts. The nanostructures reveal consistent alignment and uniform size, making them ideal for fundamental reactivity studies.
Researchers have made significant breakthroughs in improving the efficiency of solar cells, including plastic solar cells with efficiencies up to 15% and ultrathin dye-sensitized solar cells reaching 11%. Carbon nanotubes could also boost efficiency by doubling photoconversion rates.
Researchers at Brookhaven National Laboratory are working on developing practical hydrogen-storage materials by doping sodium alanate with titanium. The goal is to create a material that can store and release hydrogen efficiently, enabling large-scale energy storage for fuel cells and other applications.
Researchers at Penn State have developed titania nanotube dye sensitive solar cells with a 3% initial conversion rate, which they aim to increase to 15% through optimization. The cells use an easier fabrication system than conventional silicon solar cells and have shown promise in producing more electrons that do not recombine.
UNSW researchers have created a new type of self-cleaning coating using titanium dioxide nanoparticles. The coating uses visible light to kill Escherchia coli and break down organic compounds, reducing the need for chemical agents. Lab trials show promising results, paving the way for further testing and potential industrial applications.
A research group led by Manoranjan Misra has developed a novel method to split water molecules and generate hydrogen using solar light. The method involves titanium dioxide nanotube arrays, which can efficiently produce hydrogen energy in a more efficient manner than current market standards.
Researchers at Jefferson Medical College have developed a bonding method to create a permanent chemical bond between antibiotics and titanium, allowing it to kill bacteria and prevent infection. This technique has the potential to combat implant-related infections by creating an antibiotic surface that prevents infection from starting.