Articles tagged with Nanomaterials
Researchers successfully realized a stable, isolated quantum spin on an insulating magnesium oxide surface placed over a ferromagnetic iron substrate. The MgO/Fe(001) structure, widely used in spintronics, enables the formation of isolated spins due to its lack of conduction electrons.
Researchers transformed commercially available pencil lead into a graphene-based electron beam source, achieving stable and high-quality electron emission. The findings confirm that graphene edges can be easily derived from readily accessible materials and effectively function as high-performance field emission sources.
Harmer and his team developed a new Cu–Ta–Li superalloy with exceptional stability and structural integrity at high temperatures, breaking a century-old limitation. The breakthrough could lead to energy efficiency, improved turbine performance, and sustainable forms of transportation.
Researchers developed a supramolecular co-assembly platform producing chiral soft materials with strong, stable full-colour circularly polarised luminescence across the visible spectrum. The resulting structures are tunable, scalable and retain their properties for over 100 days at room temperature.
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.
A synthetic glycosystem mimics natural sugars on human cells, binding to virus's spike protein and preventing infection. The molecule was found to be effective at low doses and worked against multiple SARS-CoV-2 strains.
Researchers developed a device that uses Rosaceae plants' infrared radiation characteristics to create adaptive camouflage for various wavelengths. The device achieves simulated plant-like infrared camouflage and ultra-low emissivity infrared stealth.
A new imaging method, combining cryo-TEM and EELS, allows for simultaneous visualization of structure and elemental distribution in nanomaterials. The technique has been successfully applied to organic nano-materials and biomaterials like hydroxyapatite particles.
Researchers at Stanford University have developed a novel nanodevice that manipulates light using sound waves, enabling precise control over color and intensity. This breakthrough has significant implications for various fields, including computer displays, virtual reality, and optical communications.
Researchers from Trinity College Dublin develop a method to harness structural colour using microfabrication technique, enabling ultra-sensitive materials for environmental sensing and biomedical diagnostics. The breakthrough also paves the way for next-generation medical sensors that can track biochemical changes in real-time.
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 team of UCF researchers is pioneering a new nanocoating to passively mitigate the effects of lunar dust, protect equipment and extend future lunar missions. The goal is to understand how lunar dust interacts with surfaces and design surface properties that repel the dust.
Laser-generated nanoparticles offer a cleaner, scalable alternative to traditional chemical synthesis methods for electronics applications. The method, called laser ablation in liquids, produces surfactant-free, highly pure metal-based nanoparticles with tailored surface properties.
Researchers found that sewage spills from land to sea coincided with winds of at least 6.5m/s on 178 days within a two-year period, potentially sending microplastics into the air. The study suggests that coastal towns and cities may be exposed to billions of airborne microplastic particles.
A new palladium-loaded a-IGZO catalyst achieved over 91% selectivity when converting CO2 to methanol, leveraging electronic properties of semiconductors. The study demonstrates novel design principles for sustainable catalysis based on electronic structure engineering.
Researchers developed a controlled 'living' click polymerization system to achieve well-defined polymers with narrow dispersity, enabling bidirectional synthesis of ABA-type block copolymers. The method leverages copper-catalyzed azide–alkyne cycloaddition and initiators to selectively drive monomer addition in a controlled manner.
A new approach uses DNA to fabricate targeted 3D nanoscale structures via self-assembly, allowing for complex designs and parallel assembly. The method enables significant time- and cost-savings compared to traditional top-down strategies.
Scientists at Rice University developed a scalable approach to engineer bacterial cellulose into high-strength, multifunctional materials. The dynamic biosynthesis technique aligns bacterial cellulose fibers in real-time, resulting in robust biopolymer sheets with exceptional mechanical properties.
Researchers developed a lightweight, mechanically robust porous polymer that mimics a natural loofah sponge. It can filter viruses, block objects, and has a range of functional properties due to its flexibility when wet and pH responsiveness.
Dr. Charles Roques-Carmes has been recognized for his groundbreaking research in nanophotonics, advancing areas such as metalenses and photonic machine learning. His work has led to transformative technologies and deepened fundamental understanding in the field of photonics.
Researchers at the University of Illinois developed cryosoret nanoassemblies that enhance fluorescence signals, reducing detection limits for biomarkers. The new platform offers dual-mode interaction between electric and magnetic components of light, promising highly sensitive and tunable biosensing systems.
A team of Korean researchers has successfully recreated a golden fiber akin to that of 2,000 years ago using the pen shell cultivated in Korean coastal waters. The breakthrough reveals the scientific basis behind its unchanging golden color and demonstrates the potential of eco-friendly materials.
A study reveals that ultra-small nanoparticles can induce abnormal protein conformation and have the potential to cause pathological conditions like Alzheimer's disease. The researchers used spectroscopy-based experiments to analyze the interactions between bovine serum albumin and silica nanoparticles.
A public-private partnership integrates large language models and multimodal AI to automate MBE growth, improving reproducibility and efficiency. The AI software will be tested on Gallium Nitride before being applied to complex materials systems.
A study reveals that metal-organic frameworks (MOFs) can be toxic to mice, causing disruptions in blood cell formation and immune balance. The researchers found that the MOFs suppressed production of certain cells but also triggered a rebound effect, leading to increased inflammation.
Scientists at Xi'an Jiaotong-Liverpool University developed a new nanoparticle capable of carrying high doses of chemotherapy drugs while staying stable for extended periods. This innovation could make treatments more effective and reduce side effects.
Scientists observe subtle structural distortions and interactions influencing exciton relaxation dynamics in individual CNTs. The study reveals a new understanding of the local nanoscale environment's role in shaping exciton behavior.
A new study reveals how nanoparticles can interfere with photosynthesis in plants, reducing their ability to convert sunlight into food. The research team found that nanoparticles undergo changes in pH and pick up lipid coatings from plant membranes, boosting their binding to RuBisCO and impairing its function.
Researchers review nanozymes derived from Chinese herbs, including their catalytic properties, biomedical applications, and potential challenges in developing herbzymes for practical use. The review highlights three main types of herbzymes: herb carbon dot enzymes, polyphenol-metal nanozymes, and herb extract nanozymes.
Researchers developed self-propelled ferroptosis nanoinducers to enhance cancer therapy by inducing programmed cell death. The nanotherapeutics exhibited enhanced diffusion and deep tumor penetration while maintaining biocompatibility.
A novel nanozyme has been developed to prevent excess clotting in conditions like pulmonary thromboembolism and COVID-19. The nanozyme works by controlling reactive oxygen species levels, thereby preventing platelet over-activation and excess clot formation.
Researchers developed stable MXene-coated contact lenses providing enhanced protection against electromagnetic radiation. The lenses exhibited a rapid temperature rise when exposed to microwave heating, indicating strong EMR absorption and dissipation.
A new nanoparticle smart spray developed by NUS researchers protects plants from harmful bacteria by delivering antibacterial compounds directly to the plant's stomata. Plants treated with the targeted particles are 20 times more resistant to infection than those given non-targeted treatments.
Researchers have developed metal-based Janus nanostructures that boost CO2 reduction via tandem electrocatalysis. These structures exhibit unique properties and mechanisms, enabling the generation of single-carbon and multi-carbon products.
A research team at POSTECH developed a metasurface technology that can display multiple high-resolution images on a single screen, overcoming conventional holographic limitations. The innovation uses nanostructure pillars to precisely manipulate light, allowing for different images based on wavelength and polarization direction.
Researchers at Rice University have developed a new method to fabricate ultrapure diamond films for quantum and electronic applications. By growing an extra layer of diamond on top of the substrate after ion implantation, they can bypass high-temperature annealing and generate higher-purity films.
Triboelectric and piezoelectric nanogenerators convert mechanical energy into electrical energy, enhancing robotic autonomy and efficiency. The technology has the potential to reshape future robotic capabilities, particularly in industrial automation, healthcare, and smart home applications.
Researchers have discovered that hydrogen boride nanosheets can inactivate a wide range of pathogens, including viruses, bacteria, and fungi, without the need for light activation. The nanosheets' ability to denature microbial proteins through strong physicochemical interactions confirms their effectiveness in combating various microbi...
Researchers at Nagoya University developed an interface that creates programmable electric fields to sort graphene oxide without fixed microfluidic devices. The findings allow precise sorting of GO sheets, which can capture pollutants, solvents, and biomolecules based on their size-dependent properties.
Scientists have found a 2D semiconductor clay material with antiferromagnetic properties, which could be used in sustainable materials and technology. The material is cheap, easily available, and stable, making it an exciting discovery for the development of environmentally friendly quantum technologies.
Researchers have developed a low-cost, nanotechnology-based praziquantel formulation that increases efficacy and reduces dosage for treating worms. The new formulation, requiring only half the usual dose, demonstrates greater efficacy in eliminating schistosomes than the active ingredient alone.
Researchers successfully constructed a large molecular spherical shell structure with the geometric topology of a regular dodecahedron through entanglement of peptides with metal ions. The resulting M60L60 metal-peptide shell exhibits remarkable stability against heat, dilution, and oxidative conditions, making it a promising platform ...
An international team led by the Max Planck Institute for Chemical Physics of Solids created three-dimensional superconducting nanostructures with controlled superconducting states and demonstrated motion of nanoscale defects in a 3D bridge-like superconductor. This breakthrough enables the exploration of novel effects and development ...
A team of researchers at Rice University developed a new strategy for identifying hazardous pollutants in soil using light-based imaging and machine learning algorithms. The approach can detect toxic compounds like PAHs and PACs even when no experimental data is available, addressing a critical gap in environmental monitoring.
Scientists have developed a new microscope that accurately measures directional heat flow in materials. This advancement can lead to better designs for electronic devices and energy systems, with potential applications in faster computers, more efficient solar panels, and batteries.
Researchers have discovered that silver nanoparticles produced by the fungus Trichoderma reesei can inhibit the infection of SARS-CoV-2 in hamster lungs, reducing inflammation and viral load. The study also suggests that these nanoparticles could be used to prevent and treat other viral diseases, such as HIV/AIDS, shingles, and influenza.
Researchers develop nanoparticle-based therapy combining hydroxyl-enriched fullerenol and mTOR inhibitors to disrupt cancer cells' organelle communication system. The approach triggers a synergistic "nanomaterial + metabolic modulation" anticancer strategy, establishing a new hope for treating aggressive cancers.
Hongyou Fan, a Sandia scientist, has been recognized as an Outstanding Researcher by the Federal Laboratory Consortium for Technology Transfer. He is being hailed for his work on Disinfectant 2.0, a product that kills viruses, bacteria, and fungi for long periods.
Researchers developed fluorescent polyionic nanoclays that can be customized for medical imaging, sensor technology, and environmental protection. These tiny clay-based materials exhibit high brightness and versatility, enabling precise tuning of optical properties.
New research validates theoretical models on how nanoscopic ripples affect material properties, leading to a better understanding of their mechanical behavior. The study's findings have significant implications for the development of microelectronics and other technologies that rely on thin films.
Researchers developed a Cu-Ta-Li alloy with exceptional thermal stability and mechanical strength, combining copper's conductivity with nickel-based superalloy-like properties. The alloy's nanostructure prevents grain growth, improving high-temperature performance and durability under extreme conditions.
Researchers have developed scalable nanotechnology-based lightsails that can be fabricated in a single day, reducing the traditional 15-year process. These lightsails use laser-driven radiation pressure to propel spacecraft at high speeds, enabling rapid interplanetary travel and opening new possibilities for experimental physics.
Physicists have measured a nuclear reaction that can occur in neutron star collisions, providing direct experimental data for a process previously only theorized. The study provides new insight into how the universe's heaviest elements are forged, with potential applications in nuclear reactor physics.
The University of Turku researchers have developed a new method to create more accurate sensors for detecting subtle changes in the body, such as hormone fluctuations. By purifying and separating single-wall carbon nanotubes, they achieved precise control over their properties and identified their electrochemical characteristics.
Researchers from TU Delft studied FePS₃ nanomaterial, discovering how vibrations change near its phase transition temperature and affecting magnetic properties. The findings pave the way for ultra-sensitive sensors with exceptional sensitivity to internal and external forces.
The Crew-10 mission will support cutting-edge biomedical investigations and NSF-funded physical science projects through the ISS National Lab. Astronauts will conduct experiments on the International Space Station, with findings benefiting humanity and driving commerce in low Earth orbit.
A team of scientists has found that some artificially designed proteins contain flexible components that can take on multiple structures, leading to surprising properties and potential applications. This discovery could open up new avenues for the development of customized proteins.
Researchers found that functionalizing graphene sheets via plasma treatment can lead to enhanced sensitivity for specific gases, such as ammonia. The study discovered different types of defects created on the graphene sheets depending on the gas used during plasma treatment.
The article reviews additive manufacturing technology for biomedical metals, enabling customized implants with precise internal structures. It highlights the integration of AI and 4D printing, addressing challenges in production costs, regulatory compliance, and post-processing.
Researchers from Osaka University have developed an ultrathin vanadium dioxide film on a flexible substrate, preserving its electrical properties. This breakthrough enables adaptable electronics that can adjust to temperature, pressure, or impact in real-time.