Articles tagged with Nanotechnology
Researchers at ETH Zurich have successfully replicated the surface structures of the Cynandra opis butterfly using nano-3D printing, enabling the production of structures that generate all visible spectrum colours. This breakthrough could lead to applications in security features, optical technologies, and high-resolution colour displays.
Researchers have discovered a practical and inexpensive way to produce non-toxic, recyclable, and sustainable colors using nanotechnology and nature's approach. The method mimics normal color mechanisms in nature, creating physical colors from almost transparent materials like clay suspended in water.
Geoff Wehmeyer has been awarded a National Science Foundation CAREER Award to deepen understanding of nanoscale heat transfer and improve device performance. He will use scanning transmission electron microscopy nano-thermometry experiments to better understand interfacial heat transport.
A team of researchers has created a prototype 'smart saddle' that utilizes self-powered triboelectric nanogenerators to analyze equestrian biomechanics. The device can detect subtle cues from the rider's posture, seat, and legs, as well as alert others in case of a fall.
Scientists at Osaka University demonstrated the ability to generate gigagauss magnetic fields via gyro motion of relativistic electrons, with polarity reverse occurring instantly. The study, published in Scientific Reports, reveals a new mechanism for magnetic field growth and amplification.
A transparent air filter with a copper nanowire network enables self-sterilization through chemical and thermal disinfection, as well as capture of airborne particles. This innovation addresses the need for antimicrobial filters while preserving visual communication.
Nano-engineered wrinkled coatings can reduce liquid drag by up to 38% in microdevices, reducing fouling and damage to biological samples. The discovery uses nanobubbles to create a slippery surface, allowing for lower friction and pressure.
Researchers at MIT have developed a method to control the interaction between liquids and solids, allowing for the creation of surfaces with high or low wettability. This breakthrough has potential applications in various industries, including thermal management, protective coatings, and heat pipes.
Researchers have created a new, simpler way to fabricate SERS nanostructures with superior stability and performance at low cost. By using a heat-resistant polymer called polyimide (PI), they can produce nanosurfaces with nanopillars that enhance signal intensity for efficient chemical detection. The new fabrication method has the pote...
Osaka University researchers have developed a highly active and durable metal-phosphide catalyst for the deoxygenation of sulfoxides. The catalyst shows wide substrate applicability and can deoxygenate structurally complex drug intermediates in high yields.
A new method for generating formate has been developed, utilizing electrochemical anodic oxidation. The process produces high-quality formate with a selectivity of 96.4% and a partial current density of 285 mA·cm−2. This method is scalable, simple, and efficient, making it a promising candidate for large-scale industrial production.
Researchers studied electron transport through a single water molecule in a C60 cage, revealing multiple tunneling-induced excited states. The findings suggest the transition between ortho- and para-water occurs simultaneously within a minute.
Researchers have created nanoparticles that can store hydrogen, reducing the need for pressurized tanks and cooling. The discovery could enable climate-friendly fuels and production methods for airplanes, ships, and steel.
Researchers at Rice University found that carbon nanotubes and their fibers experience fatigue under cyclic loads, leading to slippage and strain accumulation. The fibers' endurance limit is around 30%-50% of their tensile strength, allowing them to last practically forever.
A research team at SUTD has developed an ultra-scalable artificial synapse using 2D materials, enabling the commercialization of brain-inspired hardware. The device integrates functional and silent synapses into a single unit, reducing hardware costs and improving efficiency.
A team of researchers from Chemnitz University of Technology, IFW Dresden, and Max Planck Institute CBG presents a new type of biomedical tool with a tiny biocompatible microelectronic micro-catheter. The catheter has sensor and actuator functions integrated into its wall, making it highly flexible and adaptable to the body.
A novel quantum-based sensor has been developed to detect the SARS-CoV-2 virus with high accuracy and speed. The sensor uses nitrogen vacancy centers in diamond to detect minute perturbations in the presence of viral RNA, enabling fast and reliable detection.
Water exhibits counterintuitive properties when confined to nanometer-size pores, opening avenues for decontamination and crystallization control. The study reveals water's uniqueness compared to other liquids under similar subnanometric confinement.
The University of Central Florida researchers have developed an alcohol-based power source for cars and other technology that uses less fuel and produces fewer emissions compared to traditional fossil fuels. The ethanol fuel cell has achieved a maximum power density and operation time of over 5,900 hours, making it a promising alternat...
Researchers at Tohoku University have successfully created capsule-like DNA structures using two different types of nanostructures that can stick together. These structures can form water-in-oil droplets with patch-like patterns depending on the concentration of each type, and can be used to carry substances to specific target organs o...
Researchers at Lehigh University are working on a project funded by the Good Food Institute grant to adapt human tissue engineering techniques for growing meat in the lab. The team is developing a scaffold for meat cells to grow on and using electrochemistry, nanomaterial design, and liposomal delivery vehicles to promote fibrous growth.
Researchers at the University of Cambridge have developed a new concept for detecting infrared light by converting it into visible light, easily detectable by modern cameras. This innovation enables the detection of mid-infrared light using molecular frequency upconversion with dual-wavelength hybrid nanoantennas.
Scientists at UC San Diego create nanoparticles that mimic the flu virus's ability to escape endosomes, enabling efficient delivery of mRNA into cells. This breakthrough could lead to improved delivery of mRNA vaccines and therapies.
Researchers have developed a device that detects viruses in seconds from blood samples with 95% accuracy, significantly improving over current rapid tests. The optical sensor uses nanotechnology to accurately identify viruses, making it a promising technology for early treatment and virus detection.
Researchers have discovered that ulvan extracted from marine algae can prevent the infection of cells with the Corona virus. The study suggests that this cheap and accessible natural material may help solve the global spread of the pandemic in developing countries without access to vaccines.
Researchers in Japan have designed the first de novo-designed peptides that can form artificial nanopores to identify and enable single molecule-sorting of genetic material in a lipid membrane. The peptides can detect specific molecules, including DNA, and have the potential to mimic natural proteins' ability to detect specific proteins.
Researchers at TU Delft developed a nanomechanical sensor that can function at room temperature using a spiderweb-inspired design. The breakthrough has large implications for studying gravity and dark matter, as well as quantum internet, navigation, and sensing.
A team of chemists at MIT has developed a method to control the blinking phenomenon in quantum dots using mid-infrared laser light, eliminating intermittency for precise applications. This technique may also be applicable to other materials, enabling new uses in biological research and quantum information science.
Researchers at MIT observed the intricate choreography of butterfly scales forming during metamorphosis, revealing a shingle-like pattern and nanometer-high ridges. The findings could inform the design of new materials like iridescent windows and waterproof textiles.
Researchers have developed a new electrochemical technique for printing metal objects at the nanoscale, achieving resolutions of up to 25 nanometres in diameter. This technology has vast potential applications in fields like microelectronics, sensor technology, and battery production.
Researchers developed a technology that accurately detects lies by analyzing facial muscle contractions, achieving a success rate of 73%. The study identified two distinct groups of 'liars' based on cheek muscle and eyebrow activation, with potential implications for real-life deception detection.
Researchers at the University of Warwick and Jülich Center have discovered a generic stabilization mechanism for single standing molecules. This breakthrough enables rational design and construction of three-dimensional molecular devices at surfaces, paving the way for nanofabrication of machinery at the nanoscale.
A research team developed a treatment for myocardial infarction using mussel adhesive proteins, promoting cell proliferation and migration in damaged heart tissue. The MAP-based microneedle bandage alleviated fibrosis and restored the damaged myocardial wall.
Researchers have successfully imaged the spin of an individual molecule using electron spin resonance in a scanning tunneling microscope. This achievement allows for precise control of spin states and investigation of magnetic interactions between molecules.
A new protein-based vaccine design has been developed that elicits strong immune responses in mice and does not require cold storage. The technology targets antigen-presenting cells directly, potentially filling global vaccination gaps and offering a manufacturing advantage over existing COVID vaccines.
Researchers at Pohang University of Science & Technology have demonstrated optical-wave signal amplification and cancellation using optically driven acoustic waves on a silicon chip. This achievement paves the way for new applications in signal processing, sensing, and nanostructures.
Scientists at Osaka Prefecture University developed a novel method for creating uniform, electrically conductive nanosheets using oil and water interfaces. The approach resulted in highly organized three-dimensional nanostructures with high electrical conductivity, offering potential applications in energy devices and sensors.
Scientists develop a new way to control heat flow through ultrathin layers, promising sensitive thermoelectric devices. Weaker coupling between layers reduces heat transport by up to ten times.
Researchers developed a new mechanism of adsorption called mechanisorption, which can store significant amounts of energy by recruiting molecules onto surfaces at high concentrations. This breakthrough has implications for energy storage, controlled release, and environmental remediation.
Researchers at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.
Scientists develop a method to precisely control gas-liquid interfaces at the nanoscale, enabling precise enrichment of target molecules. The technology has potential applications in various fields, including chemical and biological processes.
Researchers at UNSW and University of Sydney develop DNA 'nanostructures' to effectively manipulate synthetic liposomes, leading to potential applications in biosensing and mRNA vaccines. The study also explores the creation of 'mini biological computers' that can sense their environment and respond to signals.
Scientists have fabricated chains of triangular polycyclic aromatic hydrocarbons with spin 1, exhibiting Kondo resonances characteristic of spin ½ quantum objects. This breakthrough enables the exploration of linear spin chains and two-dimensional networks for quantum computation.
Scientists have found that adding a single atom to rutile titanium dioxide can create oxygen vacancies, leading to more stable local structures and controlling reaction stability. This discovery could lead to new ways of understanding the relationship between material structure and function.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a metasurface using ultra-deep holes to focus light to a single spot, achieving a record-breaking aspect ratio of nearly 30:1. This breakthrough enables the creation of large achromatic metalenses with diverse color control capabilities.
Scientists from Kanazawa University and the University of British Columbia have developed a comprehensive overview of synthesizing polymetallic complexes via macrocycle routes. This approach enables precise control over structure and function, leading to promising applications in catalysts, sensors, and single-molecule magnets.
A research group at Osaka University has developed a new tool for sequencing various types of RNA base modifications, including microRNA modifications. They successfully detected two types of chemical base modifications simultaneously using a single-molecule quantum sequencer.
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.
Researchers at Singapore University of Technology and Design (SUTD) have designed an ultralow power artificial synapse for next-generation AI systems. The team's innovation uses a nanoscale deposit-only-metal-electrode fabrication process, achieving an all-time-low energy consumption of 1.8 pJ per pair-pulse-based synaptic event.
Scientists have developed a new method to distinguish electron properties in atomic orbitals using X-ray generators and high magnetic fields. This breakthrough could lead to novel directions for engineering atomic-scale devices, including quantum computers and ultra-dense magnetic hard drives.
Researchers at Chalmers University of Technology have developed a unique optical amplifier that offers high performance, is compact enough to integrate into a chip just millimeters in size, and does not generate excess noise. This breakthrough technology has the potential to revolutionize both space and fiber communication.
Researchers at CU Boulder have discovered a way to cool down ultra-small heat sources by packing them closer together, using computational simulations to track the passage of heat. The findings highlight the challenges of designing efficient electronic devices and could lead to faster cooling in future tech.
A team of researchers from Harvard and MIT observed hydrodynamic electron flow in three-dimensional tungsten ditelluride for the first time using a new imaging technique. The findings provide a promising avenue for exploring non-classical fluid behavior in hydrodynamic electron flow, such as steady-state vortices.
The Center for Research on Programmable Plant Systems (CROPPS) aims to create systems that enable plants to communicate their hidden biology to sensors, optimizing growth and the local environment. This will lead to breakthrough discoveries, new educational opportunities, and transformative management of crops.
Researchers developed a method to scale up nanocages to trap noble gases like krypton and xenon. The team used commercial materials and found the optimal temperature range for trapping gas atoms inside the cages.
Researchers from Kanazawa University have identified 4 potential regulators for extracellular vesicle (EV) production, including 1 inhibitor and 3 activators. The inhibitors and activators were screened using a high-throughput method to detect EVs with high sensitivity and versatility.
Researchers at IBS developed a novel composite material consisting of metal nanowires within an ultrathin rubber film. The float assembly method creates a monolayer of nanowires in the rubber film, resulting in excellent physical properties such as high stretchability and metal-like conductivity.
Researchers at Northwestern University have successfully created a double layer of atomically flat borophene, a feat that defies the natural tendency of boron to form non-planar clusters. The material maintains its electronic properties while offering new advantages, including potential applications in energy and chemical storage.
A new air-sampling system developed by researchers can detect an unprecedented range of potentially harmful airborne compounds. The system uses a special badge or pen attached to clothes or placed in a pocket to capture a broad spectrum of volatile organic compounds, allowing for more comprehensive exposure assessments.
Researchers have developed tiny 'nanojars' that can split bicarbonate into carbonate and capture it, as well as certain toxic anions, making them suitable for recycling. The nanojars are made up of multiple repeating units of a copper ion and a pyrazole group, and can selectively bind to specific ions.