Articles tagged with Nanoclusters
Researchers developed a thermal catalyst with high CO oxidation activity under low-temperature conditions. By introducing dithiolate bridging ligands, the team reinforced the nanocluster's outer framework while allowing weaker ligands to be removed more easily.
Researchers from Tohoku University and IIT Indore developed a sulfide-templated Cu nanocluster that selectively produces methanol from CO₂ under mild conditions. This breakthrough enables precise modulation of the copper valence state in nanoclusters, unlocking cleaner and more efficient pathways for converting CO₂ into valuable fuels.
A team has developed a highly efficient glass screen that converts X-rays into visible light, capturing diagnostic images with less radiation. The new 'quantum glass' can be molded into curved shapes, enabling the creation of X-ray imaging systems that curve to fit a person's anatomy.
A team of researchers from the University of Michigan and other institutions developed a quantitative measure to quantify complexity in nanomaterials. The metric enables engineers to design materials with unique properties not seen in natural or existing man-made materials.
Researchers from the University of Jyväskylä predicted that gold nanoclusters can selectively recognize chiral biomolecules, which could aid in detecting diseases directly from a blood sample. The study used computational simulations to examine nearly 300 cluster-biomolecule combinations and found clear differences in their interactions.
Researchers used machine learning to simulate gold nanoclusters' behavior under realistic conditions, revealing structural changes and polymer-like chain formation. The study demonstrates the accuracy of the machine learning potential in understanding nanomaterials' properties.
Researchers at Tohoku University and Indian Institute of Technology Indore developed a Cu14 nanocluster with a single exposed Cu site, exhibiting high ammonia selectivity and production rate. The findings support the creation of efficient metal nanocluster catalysts for green energy production.
A team of Concordia researchers has developed the first micromotors capable of moving through the air without fuel or batteries. The micromotors use heat from near-infrared light to lift and propel themselves, allowing for controlled movement in controlled directions.
Researchers at Tohoku University unveiled a 77-fold increase in photoluminescence quantum yield by adding a single silver atom to high-nuclear Ag nanoclusters. This discovery paves the way for practical applications in optoelectronics and sensing technologies.
Researchers at the University of Tokyo have successfully grown a novel pencil-shaped structure of gold nanoclusters, dubbed 'gold quantum needles'. These structures show responsiveness to near-infrared light, enabling higher-resolution biomedical imaging and more efficient light-energy conversion. The breakthrough could lead to targete...
The book sheds light on nanomaterials, metamaterials, and smart materials' synthesis, classification, and characterization techniques. It discusses size-dependent behavior, fabrication challenges, and interdisciplinary applications with practical implications for healthcare, energy, and electronics.
The new book provides a comprehensive overview of engineered nanomaterials' interactions with biological systems, driving breakthroughs in biomedical applications and environmental sustainability. It explores critical applications in sustainable technologies, including bioremediation and heavy metal adsorption.
A novel copper nanocluster has been developed, demonstrating high stability and exceptional selectivity in electrochemical carbon dioxide reduction reactions. The incorporation of a single Cu(0) atom into the cluster significantly alters its electronic landscape, leading to improved product selectivity.
Researchers at USC Dornsife College of Letters, Arts and Sciences have made a breakthrough discovery about how tiny protein clusters form in cells. These nanoclusters play a crucial role in mechanotransduction, a process that fails in people with Emery-Dreifuss muscular dystrophy, leading to muscle weakness and heart problems.
A breakthrough in electrochemical CO2 reduction processes has been achieved through ligand engineering of copper nanoclusters. The study reveals that variations in intercluster interactions significantly impact the stability and selectivity of these nanoclusters, leading to more efficient carbon conversion technologies.
Researchers have developed copper nanoclusters that can precisely shape the reaction pathways in electrochemical CO₂ reduction, producing specific high-energy-density products. The team's discovery could drive the development of new functional materials and create a more sustainable future.
Researchers at Tohoku University developed a synthesis method to control the surface structure of small metal particles, improving their catalytic activity for hydrogen evolution. The new approach, combining gold and platinum, achieves higher catalytic activity than conventional catalysts.
Researchers found that controlling oxygen intake by adjusting stirring rates produces stable fluorescent silver nanoclusters. The study enhances understanding of nanostructure properties, paving the way for tailored nanomaterials with broader applications.
Researchers from CiQUS have established the first set of rational design principles for chaotropic membrane transporters, governed by cluster size and polarizability. The study investigates the modulation of chaotropic transport by decoupling halogen composition from boron core size, revealing a window of carrier utility.
AgNCs have been used in various diagnostic imaging modalities due to their high fluorescence and SERS signals. They are suitable for both in vitro and in vivo imaging applications, enabling real-time tracking of disease progression and therapy response.
Researchers at IISc developed a novel hydrogel that can remove 95% of polyvinyl chloride and 93% of polypropylene microplastics from water. The hydrogel uses UV light irradiation and has a durable structure, making it suitable for repeated use.
The team successfully demonstrated the growth of cobalt nanoclusters by exploiting the trapping potential of two-dimensional crown ether molecules on a copper surface. The resulting cobalt NCs were of two sizes, 1.5 nm and 3.6 nm.
Researchers have designed a nanoparticle-based drug delivery system to target inflammation, addressing issues with conventional anti-inflammatory drugs. The system utilizes targeting moieties to enrich nanoparticles in inflamed tissues, achieving enhanced efficacy.
Rice University chemists have discovered that gold nanoparticles are synthesized from gold buckyballs, a finding that could revolutionize nanoparticle synthesis. This discovery was made by Matthew Jones and Liang Qiao, who found that the commonly used golden 'seed' particles were actually cousins of the original buckyballs.
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 Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.
Researchers from Japan have synthesized two di-superatomic molecules composed of Ag and evaluated the factors involved in their formation. The study found that a twist between the two icosahedral structures stabilizes the nanocluster by shortening the distance between them. Additionally, the presence of Pd and Pt central atoms was foun...
A team of researchers at KAUST has developed a biological method to produce size-controlled palladium nanoclusters anchored on the surface of Geobacter sulfurreducens, outperforming benchmark catalysts in water-splitting reactions. This eco-friendly approach could provide a sustainable solution for high-performance catalysis.
Researchers at Pacific Northwest National Laboratory have developed a new method for converting plastics into valuable chemicals using hydrogenolysis. The process reduces the use of precious metal ruthenium while increasing efficiency and selectivity.
Researchers at Politecnico di Milano developed a new nanomaterial with a superfluorinated gold cluster, exhibiting unique optical and catalytic properties. The findings have potential applications in precision medicine and the green transition, including diagnostic and therapeutic applications and efficient production of green hydrogen.
A Cornell-led project has created synthetic nanoclusters that can mimic the hierarchical self-assembly of natural systems, from DNA to butterfly wings. The resulting thin films have perfect periodic patterning and chiral optical properties, opening up new avenues for developing technologies inspired by nature.
A team of researchers used a new computer simulation to model the electrostatic self-organization of zwitterionic nanoparticles, which are useful for drug delivery. They found that including transient charge fluctuations greatly increased the accuracy, leading to the development of new self-assembling smart nanomaterials.
Research identifies way of using nanoparticles to target and disrupt bacterial cells, making them more susceptible to standard antibiotic treatments. Laboratory studies show a strong effect in killing a range of bacteria, including some linked to hospital-acquired infections.
Researchers from the University of Nottingham have developed a novel catalyst that combines homogeneous and heterogeneous features, defying traditional categorization. The discovery holds promise for increasing the active surface area available for catalysis, leading to more efficient and sustainable production of molecules.
Gold nanoclusters have emerged as a promising material for cancer nanomedicine due to their excellent biocompatibility and efficient renal clearance. The researchers designed multifunctional AuNCs with a therapeutic component and targeting action, demonstrating the potential for targeted gastric cancer therapy.
A team of researchers at Tokyo University of Science has developed a stable and highly active photocatalyst from gold nanoclusters. By removing the protective molecules around the nanoclusters, they were able to increase their catalytic activity and stability, opening up new possibilities for hydrogen generation and other applications.
Research on metal chalcogenide supertetrahedral clusters has explored their composition-structure-property relationships, functionality, and applications. The evolution of MCSCs has led to the development of new frameworks, discretization in superlattices, and site-dependent properties.
Scientists at KAUST have successfully synthesized copper nanoclusters with a cuboid shape, exhibiting promising properties for photoluminescence and catalysis. The unique structure is driven by intercluster noncovalent bonding interactions, including hydrogen bonding and van der Waals forces.
Researchers have identified the metallic state of Ag nanoclusters during oxidative dispersion, revealing a transitional state at high temperatures. The study used in situ imaging methods to demonstrate the dynamic dispersion and redispersion of supported metal catalysts.
The University of Pittsburgh's CANELa lab is advancing nanoparticle research by modeling metal nanoclusters with exact structures, allowing for accurate theory and investigation of their properties. This breakthrough enables the creation of active sites for catalysis, a key focus of the lab.
Researchers at the University of Jyväskylä have discovered that the choice of a support material for gold nanocluster catalysts can drastically affect their structure. On certain supports, clusters disintegrate completely, while on others, the protective organic layer peels away, leaving behind intact metallic nanoclusters.
Researchers at Anhui University and Nanjing University successfully constructed 1D linear chains, 2D grid networks, and 3D superstructures from Ag29(SSR)12 nano-building blocks. The hierarchical self-assembly enables remarkable optical absorptions and gas storage properties in the assembled frameworks.
Scientists have discovered a novel gold nanocluster that can inhibit Aβ monomer formation, dissolve preformed fibrils and restore conformation of peptides. The nanocluster also has good biocompatibility and infiltration ability across the blood-brain barrier.
Chemists at the University of Jyväskylä Finland and University of California succeeded in determining the atomic precise structure of a chain of gold nanoclusters. The study reveals the disulfide-bridging bond between the bound nanoclusters, advancing our understanding of the optical and electronic response of these systems.
Researchers at OIST Graduate University have developed a simplified approach for studying charge transfer in catalysis, using a tiny ruthenium catalyst and real-time detection. This method provides a complete picture of the reaction mechanics and has potential applications in industrial processes such as solar energy devices.
A research group converts absorbed photons into twice as many excitons with an organic monolayer on a gold nanocluster surface, achieving high-efficiency energy conversion. The researchers also found that the newly formed excitons have a significantly longer lifetime compared to conventional surfaces.
Scientists have successfully created a nanocluster of exactly 16 silver atoms stabilized by a wrapping of DNA strands. The crystal structure revealed that each nanocluster is tightly wrapped and almost completely shielded by two DNA strands, with novel silver-silver interactions observed within the cluster.
Researchers from Carnegie Mellon University have controlled the lifetime of gold nanoclusters' quantum states, extending it by three magnitudes. This breakthrough could improve solar cell and photocatalysis technologies, allowing for more efficient energy harvesting.
Researchers at Swansea University and the University of Hamburg have discovered metal nanoclusters that can be used as semiconductors, displaying unique properties such as field effect and photoconductivity. The findings hold promise for a wide range of potential applications in electronics, wearable technology, and gas sensing.
Researchers at Hebrew University of Jerusalem and Cornell University discovered that magic-size nanoclusters can change their internal structure in a single step, like molecules do during isomerization. This finding bridges the gap between small-scale molecular isomerization and large-scale phase transitions.
Researchers have developed a new theory to better predict the behavior of nanoclusters when a metal is introduced, reducing experimental time and costs. The theory enables the precise control of nanocluster size, shape, and composition, opening doors for tailored properties in nanotechnology.
Researchers have created a more efficient path to producing solar fuels by enticing the bacterium Moorella thermoacetica into being productive with light-absorbing gold nanoclusters. This results in a higher yield of chemical products and improved quantum efficiency compared to previous models.
Experts at the University of Nottingham have achieved time-resolved imaging of atomic-scale dynamics and chemical transformations using metal nanoclusters. The study ranks 14 different metals in order of their bonding with carbon and catalytic activity, providing new insights into nanocatalyst behavior.
Researchers have discovered that fluorescence in ligand-protected gold nanoclusters is an intrinsic property of the gold particles. The study used Au20 nanoparticles with a tetrahedral structure and found intense fluorescence at a wavelength of 739.2 nanometers, indicating that the metal core is responsible for the phenomenon.
A novel theory explains how metal nanoparticles form, revealing a balance between bond strength and ligand binding. This understanding enables the creation of more efficient and sustainable nanoparticle production processes for applications like biolabeling and targeted drug delivery.
Researchers have developed silver nanoclusters with excellent optical properties, making them suitable for biosensing and imaging applications. The nanoclusters' ability to absorb light efficiently and withstand exposure to sunlight makes them a promising alternative to existing fluorescent tags.
Researchers at Tokyo Institute of Technology have discovered how gold nanoparticles form within protein nanocages, revealing a key process in biomineralization. The study reveals the role of sulfur-containing residues in enhancing Au uptake and agglomeration into nanoclusters.
Researchers at the University of Illinois have developed superionic solid nanoclusters that could replace liquid electrolytes in lithium-ion batteries. The nanoclusters' unique structure enables ions to move through them like a liquid, improving thermal and mechanical stability.
Researchers at KAUST have developed a simpler way to assemble silver nanoclusters, opening up new opportunities for catalysis and opto-electronics. The clusters can be modified with atom-by-atom control, allowing their properties to be tailored for specific applications.
Researchers have explained why platinum nanoclusters facilitate the hydrogenation reaction used to produce ethane from ethylene. The shape of these small clusters dramatically affects reaction efficiency, contradicting macro-scale observations. The findings may apply to other catalysts and reactions at the nanoscale.