Articles tagged with Nanomaterials
A low-cost, tin-based catalyst selectively converts CO2 to ethanol, acetic acid, and formic acid, producing valuable liquid hydrocarbons. The discovery could help reduce greenhouse gas emissions by converting CO2 into desired chemicals near the site of production.
A new device uses small amounts of light to process information, offering significant energy improvements over conventional optical switches. This technology could enable quantum communications, providing a promising alternative for data security against rising cyberattacks.
The study found that an 80% concentration of zirconium dioxide (ZrO2) and specific solvents leads to the highest pattern transfer efficiency. The conversion efficiency reaches impressive levels in the ultraviolet spectrum, paving the way for commercial viability of metasurfaces.
Researchers at PNNL have developed a method to control the handedness of peptoid helices, which can be used to design precise drug delivery agents or artificial enzymes. The team's discovery could provide insights into protein assembly and potentially lead to breakthroughs in treating protein folding-related diseases.
A Rutgers study found that nanoparticles from household products can be resuspended in the air, reaching human breathing zones, and increasing exposure for children. The researchers used an enclosed chamber to simulate spraying and resuspension of particles, confirming the potential health risks.
A new nanomaterial has been developed to mimic the behavior of proteins and may lead to effective treatments for Alzheimer's and other neurodegenerative diseases. The nanomaterial alters the interaction between two key proteins in brain cells, potentially providing a powerful therapeutic effect.
Researchers have developed a new nanomaterial that expands by 40% when stretched in one direction, breaking the previous record. The material, made of tungsten semi-carbide, uses plasma physics to create single atom layers and has potential applications in strain gauges, sensors, and wearable technology.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
A handheld device developed by Osaka Metropolitan University's team can detect multiple bacterial species within an hour, including disease-causing E. coli and salmonella. The sensor uses organic metallic nanohybrids to distinguish electrochemical signals on the same screen-printed electrode chip.
Researchers developed zinc oxide nanoparticles to selectively inhibit multidrug-resistant bacteria, disrupting cell membranes. The material is considered safe and cheaper than other metal-based nanoparticles, with potential applications in water treatment and food packaging.
Researchers developed a method using lipid nanoparticles to activate T cells and deliver genetic instructions in one step, simplifying the CAR T cell manufacturing process. This new approach reduces production time from 48 hours to 24 hours and increases accessibility to patients worldwide.
Thirty-three young investigators under 45 were selected for their work on bio-inspired nanomaterials with applications in clean energy, human healthcare, monitoring, and disease treatments. The NR45 Awards recognize young researchers for their distinguished accomplishments and potential contributions to nanoscience and nanotechnology.
Wunmi Sadik, NJIT's Distinguished Professor of Chemistry, receives the Wallace H. Coulter Lectureship for her lifetime commitment to education, practice, and research in laboratory science. She is recognized for her scientific breakthroughs in nanomaterials, green chemistry, and sustainability.
Scientists from the University of Rochester have developed a novel approach to clean up pollution from PFAS, known as 'forever chemicals', found in various products. The new electrocatalytic method uses laser-made nanomaterials made from nonprecious metals, nearly 100 times cheaper than existing methods.
Researchers have made a breakthrough in developing genetic treatments for hereditary conditions like cystic fibrosis and inherited vision loss. They created a new type of lipid nanoparticle, called Thio-lipids, that can deliver therapeutic payloads to the lungs and retina.
Researchers from Nano Life Science Institute discovered how genetically designed peptides form single-molecule thick crystals on graphite surfaces. The behavior is directly related to their molecular architecture, with negatively charged and positively charged peptides forming unique oblique lattices.
A research group at Chuo University developed a novel non-destructive inspection technique combining multi-functional photo monitoring devices with image data-driven three-dimensional restoration methods. The technique precisely evaluates target objects by compositional identifications and structural reconstructions, providing a breakt...
Triboelectric nanogenerators (TENGs) are used in various applications, including self-powered sensors, blue energy instruments, high voltage sources, micro/nano-energy devices, and liquid-solid interface probes. TENGs offer unique advantages such as generating self-powered signals without additional energy supply systems.
Researchers conducted the first controlled exposure clinical trial in humans using graphene oxide without adverse effects on lung or cardiovascular function. Further studies are needed to assess higher doses and longer exposures to determine safety.
Researchers from Argonne National Laboratory and the University of Illinois Urbana-Champaign used generative AI to quickly assemble over 120,000 new MOF candidates for carbon capture. The approach combines AI with high-throughput screening, molecular dynamics simulations and theory-based design to identify optimal materials.
A new technology has been developed to transmit quantum information over tens to hundred micrometers, improving the functionality of upcoming quantum electronics. The researchers use a terahertz split-ring resonator and confine only a few electrons to an ultra-small area.
A research team led by Professor Yang Yong found that severely oxidized metallic glass nanotubes can attain an ultrahigh recoverable elastic strain of up to 14% at room temperature. The discovery implies that oxidation in low-dimension metallic glass can result in unique properties for applications in sensors, medical devices, and othe...
Researchers at Rice University have mapped the diffusion of graphene and hexagonal boron nitride in an aqueous solution, a crucial step towards larger-scale production of these 2D materials. The study found that the size of the material affects its movement speed, with hexagonal boron nitride moving faster than graphene.
The UK Centre for Multimodal Correlative Microscopy and Spectroscopy (CoreMiS) will enable researchers to analyze environmental samples with unprecedented detail. CoreMiS has already been used to study ancient artifacts, detect pollutants in drinking water, and investigate antimicrobial resistance.
Researchers create multipurpose nanosheets with reduced defects for consumer electronics, enabling a sustainable manufacturing approach. The new method overcomes stacking defects by skipping serial stacked sheet approaches, resulting in self-assembling, long-lasting, and recyclable materials.
Researchers at Brookhaven National Laboratory have developed a universal method for producing functional 3D metallic and semiconductor nanostructures using DNA. The new method produces robust nanostructures from multiple material classes, opening opportunities for 3D nanoscale manufacturing.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a 10-centimeter-diameter glass metalens that can image the sun, moon, and distant nebulae with high resolution.
Researchers at Osaka University have developed a new thermoelectric material that can improve the efficiency of temperature-to-electricity conversion, enabling more sustainable IoT applications. The innovation has potential to power environmental monitoring systems and wearable devices.
Researchers from City University of Hong Kong developed a novel strategy to engineer stable and efficient ultrathin nanosheet catalysts using Turing structures. This approach effectively resolves the instability problem associated with low-dimensional materials in catalytic systems, enabling efficient and long-lasting hydrogen production.
Researchers at MMRI have developed a novel approach to minimize cardiac damage after a heart attack by targeting the spleen with histone deacetylase inhibitors. This targeting strategy results in a significant decrease in cardiac scar size and preservation of heart function, even after just one dose.
Researchers developed a novel cancer sensor using viral enhancement and nanomaterials, achieving ultra-high sensitivity in detecting breast cancer cells. The new P-DBS technology outperformed existing electrical-based sensors in terms of sensitivity and signal contrast.
Embedding nanodiamonds in polymer can advance quantum computing and biological studies. The technique, developed at the University of São Paulo, enables integration of quantum emitters into photonic devices and cell marking applications.
A multi-institutional research team, including Osaka University, has developed a new approach to enhance the efficiency of Mie scattering, which could lead to significant advancements in meta-photonics and applications like all-optical transistors. The researchers found that misaligning the incident laser on a nanometer scale can induc...
Researchers at Toho University developed a technology to create three-dimensional structures of gold nanoparticles confined within silica nanocapsules. The assembled nanostructures exhibit new physical properties and unique optical properties, leading to the development of high-sensitivity multi-color sensors.
A researcher has developed a chatbot with expertise in nanomaterials, leveraging document-retrieval method to provide accurate context. The bot uses embedding to categorize and link information quickly, generating factual responses sourced from trusted documents.
Researchers developed a technique to achieve uniform shrinkage of 3D-printed structures, enabling finely detailed structures with advanced light manipulation capabilities. The method has applications in anti-counterfeiting, high-performance devices, and materials with precise structuring.
A multidisciplinary research project aims to improve carbon nanotube synthesis efficiency, enabling more sustainable alternatives to heavy industry materials. The project, led by Rice University's Matteo Pasquali, has received a $4.1 million grant from the Kavli Foundation.
The PHOTOTHERAPORT project develops luminescent implants that emit light when illuminated, targeting specific regions of the body. The goal is to treat inflammatory pain and neuromodulation therapies for epilepsy using photobiomodulation and photoswitchable drugs.
Researchers aim to identify contaminants in ash, soil, and surface waters from the Maui fire, posing risks to human health. The study will also help educate communities on the presence and risk of contaminants, informing prevention measures for future fires.
Researchers have developed a new self-assembling nanosheet that can create functional and sustainable nanomaterials for various applications. The material is recyclable and can extend the shelf life of consumer products, enabling a sustainable manufacturing approach.
Researchers at Osaka University have developed a novel platform that combines nanopore technology with artificial intelligence to detect different coronavirus variants quickly. The platform was tested on 241 saliva samples and detected the Omicron variant 100% of the time.
Chinese researchers are exploring advanced porous nanomaterials and technologies to reduce radionuclide discharge into the environment. These materials possess high specific surface area, abundant pore structures, exceptional stability, and design flexibility, making them promising candidates for radionuclide removal.
Researchers have developed enzydynamic therapy at nanoscale using nanozymes to regulate reactive oxygen species (ROS), which can cause oxidative damage in living organisms. This approach has the potential to treat various diseases, including malignancies, neurodegeneration, and inflammation.
Researchers developed a wearable device that harnesses energy from finger movement and stores data using bismuth oxide, enabling potential applications in health monitoring. The invention uses a single nanomaterial to generate power and perform memory tasks with high precision.
A team of researchers elucidated how hydrogen peroxide affects the degradation of a carbon-based catalyst named N-G/MOF. The study examined changes in the catalyst's elemental composition, major chemical bonds, crystal structure, and morphology under varying concentrations of hydrogen peroxide.
A research team at Göttingen University has developed plasmonic molecules from nanoparticles using a novel process that precisely arranges the particles. This breakthrough enables the creation of large quantities of these compounds, which can be used for various functions in nanotechnology.
A research team at City University of Hong Kong has developed a highly efficient electrocatalyst that enhances hydrogen generation through electrochemical water splitting. The catalyst, composed of transition-metal dichalcogenide nanosheets with unconventional crystal phases, exhibits superior activity and stability in acidic media.
Researchers developed a novel approach called 'countercation engineering' to impart thermoresponsiveness to graphene-oxide nanosheets. The method involves synthesizing GO nanosheets with specific countercations, resulting in inherent thermoresponsive behavior without the need for thermoresponsive polymers.
Researchers have experimentally confirmed the correctness of a decades-old theory regarding non-uniform electron density distribution in aromatic molecules. This discovery has significant implications for designing new nanomaterials and understanding various chemical and biological processes.
Researchers at Brookhaven Lab's Center for Functional Nanomaterials have created a new layered structure with unique energy and charge transfer properties. The discovery could lead to advancements in technologies such as solar cells and optoelectronic devices.
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.
Researchers developed a nanoscale material technique called inverse thermal degradation (ITD) to control high-temperature flames and tune material properties. By regulating oxygen access, ITD allows for smoldering rather than bursting into flames, producing carbon tubes with desired characteristics.
Metalenses have been developed with differentiated design principles to eliminate chromatic aberration. By merging bright spots into a single focusing spot, researchers achieved an efficiency of up to 43% and demonstrated the versatility of their approach for various optical applications.
Researchers at the University of Missouri have developed a new type of nanoclay material that can be customized to perform specific tasks. This breakthrough could lead to advances in fields such as medical science, environmental science, and more.
A team of researchers at the University of Washington has discovered a way to imbue bulk graphite with physical properties similar to those of graphene, a single-layer sheet. This breakthrough could unlock new approaches for studying unusual and exotic states of matter and bring them into everyday life.
Researchers from the University of Iowa and Brookhaven National Laboratory create 14 organic-inorganic hybrid materials, including seven entirely new ones, to advance clean energy and safe nuclear energy. The study reveals new bonding mechanisms and insights into material separations and recycling.
Researchers at Rice University have created a new type of storage container that effectively prevents surface contamination for at least six weeks. The technology relies on an ultraclean wall with tiny bumps and divots, which attracts VOCs in air inside the containers.
Prof. Dr. Marta Litter takes over as Editor-In-Chief of Journal of Photocatalysis, bringing her extensive expertise and experience to lead the journal into a new era of excellence. Her research on heterogeneous photocatalysis and iron-based nanomaterials has led to over 250 scientific publications.
Researchers developed a nano-antenna that forms a near field of circularly polarized light, enhancing optical chirality and preserving helicity. This technology has promising applications in highly sensitive sensing and asymmetric photochemical reactions for molecular chirality.
A collaborative team led by City University of Hong Kong researchers invented a low-temperature vapour-phase growth method to produce large-scale synthesis of semiconducting tellurium nanomesh. The new method enables the scalability and cost-effectiveness of nanomesh for next-generation electronics.