Articles tagged with Chemical Elements
Researchers add graphene to Bi-2223 superconductors, increasing critical current density and improving phase formation. The findings suggest potential applications in various fields, including power generation, transportation, and quantum computing.
Associate Professor Tadashi Ando from Tokyo University of Science conducted a study to test the performance of OPC and OPC3 water models, evaluating their shear viscosities and comparing values to experimental calculations. The calculated viscosities for both models were very close, with notable accuracy at temperatures above 310 K.
A research team from Tokyo University of Science has developed a novel synthesis route to produce a wide variety of sulfinate esters using readily available compounds. The new method uses thioesters, which are odorless and stable, eliminating the challenges associated with handling thiols.
University of Missouri researchers developed a method using thermal induction heating to rapidly break down PFAS on the surface of granular activated carbon and anion exchange resins. The process achieved 98% degradation in just 20 seconds, offering a highly energy-efficient alternative to conventional methods.
Scientists at POSTECH successfully grow two-dimensional molecular crystals, demonstrating control over exciton interactions. The findings could enable various applications in organic semiconductors and solar power generation.
Researchers at POSTECH developed seawater batteries with improved performance by incorporating chelating agents, overcoming limitations of traditional lithium-ion batteries. The new design achieved high energy efficiency and capacity, making it a promising candidate for next-generation energy storage systems.
Researchers at Colorado State University propose using ultrathin films of molybdenum disulfide to improve solar cell efficiency. The material displays unprecedented charge carrier properties that could lead to drastic improvements in solar technologies.
Researchers used combined dendrochronology and strontium isotopic analysis to determine the provenance of 400-year-old timber in Denmark. The study found that timber was imported from southern Sweden, indicating a more extensive timber trade network than previously believed.
A Berkeley Lab-led team has designed a new type of solid electrolyte consisting of a mix of various metal elements, resulting in a more conductive and less dependent material. The new design could advance solid-state batteries with high energy density and superior safety, potentially overcoming long-standing challenges.
Researchers at Brookhaven Lab and PNNL develop a new method to study the solid-electrolyte interphase in lithium metal batteries, revealing its convoluted chemistry. The team's findings provide a foundation for building more effective battery cells with higher energy density.
MU researchers, including Jay J. Thelen and Dong Xu, are exploring genetic modification to increase seed oil production in camelina and pennycress for biofuel use in the aviation industry. The team aims to create a sustainable 'green energy' source as an alternative to petroleum-based fossil fuels.
Researchers observe a surprising phenomenon where particles near the surface of colloidal glass move faster than in the solid below, forming a liquid layer up to 30 particle diameters thick. This discovery sheds new light on the properties of thin disordered films and their potential applications in technology.
A joint research team from Korea and Japan developed site-specific organelle fluorescent thermometers that visualize temperature changes in almost all typical organelles. The new thermometers, called Thermo Greens (TGs), provide quantitative images of heat generation at different organelles, offering insights into cellular processes.
Researchers at GSI/FAIR have studied the chemical properties of flerovium, the heaviest element with known properties, and found it to be the most volatile metal in the periodic table. The new results show that flerovium is inert but capable of forming stronger chemical bonds than noble gases under suitable conditions.
A Korean research team created a dual-catalyst system that precisely controls catalytic reactions like cells. The nanoreactor combines magnetic materials and metal catalysts to selectively activate the catalyst under magnetic fields and near-infrared rays.
A University of Illinois study found tomatoes in Chicago backyard gardens have low levels of lead, making them relatively safe for consumption. However, improper soil handling and lack of washing can still pose health risks. Researchers recommend minimizing dust with heavy mulch and careful fruit washing to safely grow tomatoes.
A new double-layered catalyst, combining platinum with NiFe hydroxide, was developed to enhance hydrogen generation efficiency. The catalyst's activity is 11.2 times higher than conventional materials, making it a promising solution for increasing green hydrogen production.
Researchers developed a fluorescent molecular probe, BOS, to detect bad cooking oils, improving the detection method for highly sensitive and accurate measurement. The Bad Oil Sensing System (BOSS) is a portable platform that can be used by consumers and the food industry to monitor oil quality.
Researchers have developed an eco-friendly and reusable solution for removing toxic synthetic dyes from wastewater using nanocomposite-based hydrogels. The new material, made from carboxymethyl cellulose (CMC) and graphene oxide, demonstrates high adsorption capacities and retains its effectiveness even after multiple cycles of use.
Researchers at Jacobs University have developed a novel method for drug delivery using boron clusters, enabling efficient transport of bioactive substances into cells. The breakthrough has potential applications in overcoming antibiotic resistance and delivering innovative therapeutics, such as peptides and protein-based drugs.
Researchers at Pusan National University have developed oxidation-resistant copper thin films, which could potentially replace gold in semiconductor devices. The films' flat surface reduces the growth of copper oxides on its surface, making them resistant to corrosion.
A study by researchers at Pusan National University has investigated the relationship between surface structures and nanoscale friction in multi-layered CVD graphene. They found that only the top-most layer of graphene was twisted with respect to the rest, affecting layer-dependent nanoscale friction.
A new method to produce hydrogen from water has been discovered, using cobalt and manganese as catalysts. This breakthrough could lead to a cleaner and more sustainable hydrogen economy, reducing reliance on fossil fuels.
Researchers discovered unexpectedly high concentrations of artificial radionuclides in cryoconite samples from the Blaisen Glacier, linked to Chernobyl and nuclear testing. The presence of organic matter from lemming populations may contribute to higher radioactivity levels.
Scientists have created a new protective coating using Al-Mg-Si alloy to resist corrosion in ships and marine facilities. The coating demonstrates improved corrosion resistance through a 'shielding effect', increasing the economic life of steel machinery.
A new study found that krypton isotopes in the deep mantle reveal a clearer picture of Earth's formation, contradicting the popular theory of volatile elements arrival. The research suggests that planetesimals from the cold outer solar system bombarded the Earth early on.
A study found substantial individual- and community-level disparities persisting in lead exposure among US children, highlighting the need for targeted interventions.
A new fluorescent probe, NeutropG, selectively stains healthy neutrophils in blood samples, allowing for accurate quantification. The Metabolism-Oriented Live-cell Distinction (MOLD) method enables the selective identification of active neutrophils without affecting their native functions.
High-energy-density Li–S batteries have been evaluated for their cycling lifespan, showing that considerable lithium polysulfides exist in the electrolyte despite high specific capacities. The actual capacity loss is mainly attributed to dissolved sulfur species rather than Li anode depletion.
Researchers from National Research Tomsk State University found that mammoths suffered from skeletal diseases due to chronic mineral hunger, leading to high traumatism and eventual extinction. The study suggests that geochemical stress caused by acidic landscapes may have played a crucial role in the demise of these majestic creatures.
Researchers confirm existence of new element with atomic number 115, gaining insight into super-heavy atomic nuclei. The discovery was made using calcium ions to measure photons in connection with the element's alpha decay.
Researchers at Berkeley Lab's Advanced Light Source are transforming X-ray microscopy into a widely available form of high-resolution imaging. State-of-the-art instruments can create three-dimensional images with elemental and/or chemical sensitivity, allowing for unprecedented insights into biological systems.
At GSI Helmholtzzentrum, researchers successfully produced and observed element 114, with a preliminary atomic number of 114. The production rate was higher than ever measured for this element, paving the way for future studies.