Articles tagged with Lanthanides
Scientists at NUS and partner universities demonstrated highly efficient electroluminescence from lanthanide nanocrystals, marking an unprecedented level of control over exciton dynamics. The breakthrough enables devices to shift their color output across the visible to near-infrared spectrum with great efficiency.
A new method of separating rare earth elements from used neodymium magnets has been developed, allowing for environmentally friendly purification without organic solvents or toxic substances. The process is adaptable for other rare earths found in neodymium magnets and has the potential to influence various industrial sectors.
A study by Montana State University geologist Zachary Burton examines the movement and accumulation of rare earth elements in salt ponds in an arid, partially permafrost region of Antarctica. The research may help understand how these materials behave and accumulate in cold regions elsewhere, including Greenland and Ukraine.
Researchers create ML heterojunctions with lanthanide codoping, achieving 2-fold increased ML intensities and exploring down-conversion mechanisms. The study paves the way for advanced ML materials with broader pressure ranges, enhanced sensitivity, and faster response times.
Researchers at the University of Texas at Austin have developed an artificial membrane channel that can selectively transport middle rare earth elements, such as europium and terbium, while excluding other ions. This breakthrough could increase domestic supply and decrease reliance on costly imports.
Researchers at HSE University discovered a way to control the color and brightness of glow emitted by rare earth elements. By adjusting the chemical environment, they altered the energy gap between electron levels, changing the luminescence spectrum.
Researchers at Lawrence Berkeley National Laboratory have discovered the first organometallic molecule containing berkelium, a highly radioactive element. The discovery reveals that berkelium exhibits a unique tetravalent oxidation state, challenging traditional understanding of its behavior in the periodic table.
Dr. Alison Altman, a Texas A&M chemist, has received the NSF CAREER Award to support her research on underexplored elements of the periodic table and their applications in technology. She aims to expand chemistry education at all levels, emphasizing its impact on everyday life.
The study introduces a game-changing concept in dual-mode display design by uniting luminescence and coloration within a single device. The device leverages smectite clay to stabilize europium(III) complexes for vibrant luminescence and heptyl viologen derivatives for striking color changes.
Researchers from Trinity College Dublin have developed 'Malteser-like' molecules that can be governed to produce predictable and desirable self-assembly structures. These molecules hold promise for applications in highly sensitive sensors, next-gen targeted drug delivery agents, and luminescence-based monitoring.
Scientists at IOCB Prague have developed a new compound that securely binds metal elements, known as lanthanides, inside molecules of medical drugs. This breakthrough discovery, called 'ClickZip', improves diagnostics and accelerates drug development by making pharmaceuticals more stable.
Researchers at Oak Ridge National Laboratory discovered a chemical 'chameleon' that can improve the process of purifying rare-earth metals. The ligand changes its behavior depending on experimental conditions, allowing for multiple separations in different orders.
Researchers at ORNL have characterized promethium's properties in solution for the first time, providing a new understanding of its chemical behavior and its potential applications. The study's findings also shed light on lanthanide contraction, a phenomenon that affects the size and shape of these elements.
Scientists have developed an efficient new method to separate lanthanides, critical materials for clean energy technologies, from a chemical mixture. The technique combines two substances: one water-loving and catches lighter lanthanides, while the other oil-loving and grabs heavier ones.
Researchers have discovered a bacterial protein that can separate rare earth elements more efficiently and effectively than current methods. The protein uses a unique dimerization mechanism to distinguish between similar metals, paving the way for greener mining and recycling practices.
Researchers have developed a fully photostable and photoswitchable nanoparticle that can be controlled indefinitely using near-infrared light. This breakthrough has the potential to revolutionize fields such as optical memory, super-resolution microscopy, and bioimaging.
Researchers at Ulsan National Institute of Science and Technology have made a breakthrough in creating ultra-photostable avalanching nanoparticles that can perform unlimited photoswitching. This achievement has significant implications for fields like optical probes, 3D optical memory, and super-resolution microscopy.
Research reveals that certain bacteria can replace essential lanthanides with actinides to sustain their metabolism. The findings suggest a possible role for these bacteria in decontaminating areas contaminated with radioactive elements or separating lanthanides and actinides for analytical purposes.
The study designs and synthesizes spherical high-nuclear lanthanide clusters with high stability, excellent solubility in organic solvents or aqueous solutions. These properties make them suitable as a new type of Gd-based MRI contrast agent, outperforming existing agents like Gd-DTPA.
Researchers at Oak Ridge National Laboratory have developed a novel tug-of-war strategy that efficiently separates individual lanthanides from each other. By combining oil-loving and water-loving ligands, scientists can target specific elements simultaneously, reducing the complexity and cost of conventional separation methods.
A Japanese team has introduced a molecular cage with 'caps' that can confine certain rare-earth-metal ions, including lanthanum and europium, for isolation or recycling. The critical feature of the cage is its two 'caps' that cover the openings and bind to the ions through hydrogen bridges and electrostatic interactions.
Scientists have connected two soft crystals and observed energy transfer between them, leading to the potential development of sophisticated materials. The study used rare earth metals called lanthanides, which can luminesce, to create a molecular train that exhibited green luminescence at one end and yellow luminescence at the other.
Researchers have developed a novel method for molecular encoding using paramagnetic properties, enabling digital information storage and transmission. The system uses lanthanide elements to create unique signals that can be read remotely, with potential applications in chemistry, pharmacy, telemedicine, and more.
Researchers have developed luminescent gels inspired by nature, offering potential applications in bank note counterfeiting and next-gen bio-sensing. The gels utilize lanthanide ions for unique properties, including self-healing and variable emission intensities.
A research team developed a new approach to generate deep-ultraviolet lasing through a 'domino upconversion' process of nanoparticles using near-infrared light. This breakthrough enables the construction of miniaturised high energy lasers for bio-detection and photonic devices.
Researchers from Oak Ridge National Laboratory have developed a new extraction agent that outperforms current industry standards, enabling efficient separation of rare-earth elements. The technology uses diglycolamide ligands and can separate individual REEs in multiple stages.
Scientists have successfully identified how electrons are distributed among atomic orbitals using a top-notch X-ray generator. This breakthrough could guide the engineering of properties in future atomic-scale devices, such as quantum computers and ultra-dense magnetic hard drives.
Researchers have compiled the most complete library yet of lanthanides and their potential toxicity by exposing baker's yeast to lanthanide metals. The study found that lanthanides interrupt cell-signaling pathways, disrupting calcium-binding sites in endocytosis and ESCRT machinery.
Researchers at Shinshu University developed an affordable portable sensor using lanthanide metal-organic frameworks (MOFs) to detect fluoride levels in drinking water. The device is compatible with local populations and can be produced locally, aiming to improve access to safe water and sanitation for all
Researchers at Osaka University have discovered a new method to easily add lanthanide cubanes into an existing metallo-supramolecular framework. The team found that by soaking a crystal in a cubane-containing solution, the molecules become intercalated via a single-crystal-to-single-crystal transformation.
Researchers from Brown and Tsinghua Universities have created a bizarre cage-like structure by clustering boron atoms with lanthanide elements, challenging conventional chemistry rules. The discovery may shed light on bulk structure and chemical bonding behavior of boron lanthanides, an important class of materials.
Researchers developed a metal-organic framework material that sensitizes lanthanide ions, allowing for unprecedented imaging in tissues. The material enables longer-lasting luminescence, providing a time advantage for studying biological systems.
Scientists developed a new technique to image proteins in 3D with nanoscale resolution using lanthanide-binding tags, enabling researchers to identify precise protein locations within individual cells. This breakthrough provides new insights into disease mechanisms and potential treatments.
Scientists at Argonne National Laboratory have developed an additive manufacturing method that enables the recycling of more nuclear waste, reducing storage time by almost one thousandfold. The breakthrough uses 3D-printed parts to separate highly radioactive actinide isotopes from rare earth metals.
A new protein-based sensor can detect tiny amounts of lanthanides, a crucial component of smartphone screens and electronics. The sensor uses a shape change to bind to the metal, allowing for rapid and inexpensive detection at the location of sampling.
A newly discovered protein from the bacterium Methylobacterium extorquens has been found to be 100 million times better at binding to lanthanides than to other metals. The protein's unique structure may explain its remarkable selectivity, which could provide insights into detecting and targeting rare-earth metals for industrial purposes.
Researchers have found that boron-based nanoclusters exhibit highly stable and symmetric structures with interesting magnetic properties, making them potential molecular magnets or assembled into magnetic nanowires. The study also sheds light on the structure and chemical bonding of bulk boron lanthanides.
Chinese researchers create microscale optical waveguides using lanthanide metal-organic frameworks, offering potential for low-loss light conduction and polarized emissions. The novel structures emit luminescence in different colors depending on the used lanthanide, making them suitable for color-tunable optical applications.
Researchers have developed a synthetic hackmanite material that produces broad spectrum white light similar to sunlight, with low production costs and non-toxic elements. The material has persistent luminescence, suitable for use in lamps, exit signs, and diagnostic applications.
A new compound based on rare earth ions has been developed to measure oxygen concentrations in living tissue with high precision. The compound works by emitting coloured light that varies in colour with the amount of oxygen present, making it possible to measure oxygen using optical microscopes already present in hospitals.
Professor Juewen Liu's lab developed highly sensitive and specific DNA probes for lanthanide ion detection. The new DNAzymes have catalytic activity and may have different properties than existing examples, enabling mechanistic studies into DNA/metal interactions.
Scientists at Technical University of Munich have successfully created 2D patterns using molecules, which could lead to novel physics and chemistry. The patterns, known as snub square tilings, were produced through self-assembly protocols and feature five-vertex connecting elements less than one nanometer across.
Researchers at the University of Michigan and MIT have discovered a method to control the arrangement of nanocrystals into complex patterns, including the herringbone style. By understanding the interactions between particles, they can design materials with specific properties, revolutionizing the field of nanotechnology.
Recent studies have elucidated the mechanisms of lanthanide biological actions, indicating that these metals can alter neural functions. High doses and chronic exposure are associated with neural system damage, particularly in pregnant and lactating animals.
Dr. Rashid Zia's cutting-edge research aims to enhance higher order emission processes in lanthanide ions, improving Air Force mission and commercial technologies. His work has the potential to impact industries such as color television, fluorescent lighting, and solid-state laser systems.
Physicists at Michigan Technological University have calculated electron affinities for all 15 lanthanide elements, filling in long-standing gaps on the periodic table. The complex atomic structure of lanthanides made it challenging to calculate their electron affinities due to varying subshell configurations and complex variables.