Articles tagged with Nanotechnology
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.
Researchers at UCF create brain-like devices that enable AI to function independently, allowing technology like robots and voice assistants to operate in remote areas or space. The devices use parallelism and in-memory computing, similar to the brain, for AI and unsupervised learning.
Recent studies published in the Journal of Pharmaceutical Analysis have found applications of nanotechnology in medicine, drug research, and environmental protection. Researchers developed nanodots made of carbon using natural polysaccharides from mushrooms to detect chromium, and created nanozymes that could be used to detect drug con...
Researchers at Hokkaido University found that trimethylamine N-oxide (TMAO) can reversibly control the rigidity of kinesin-propelled microtubules, a crucial component of molecular machines. The study demonstrates a simple method to dynamically adjust MT property and functions.
Researchers integrated computer functions into rolling DNA motors, enabling them to sense chemical information, process data, and respond accordingly. The motors can be programmed to detect specific pathogens or DNA sequences, making them a potential technology for medical testing and diagnostics.
The UGA team developed a rapid test for COVID-19 with high sensitivity and specificity, detecting the spike protein of SARS-CoV-2. The test has a detection time of less than 10 minutes and can detect all COVID-19 variants.
Researchers developed first fully integrated parity-time symmetric electronic system, expanding giga-terahertz research capabilities. The system operates without exotic materials, utilizing standard microelectronic fabrication technology.
Researchers at Hebrew University have developed a standardized method to compare flat lens technologies, enabling the creation of ultra-thin lenses that are cheap, lightweight and efficient. This breakthrough has significant implications for various industries, including consumer electronics and VR headsets.
A new vaccine platform, using spherical nucleic acid (SNA) nanoparticles, has been shown to produce an immune response in animals and offer protection against lethal doses of the SARS-CoV-2 virus. The results suggest that this approach could be used to target other infectious diseases.
Scientists developed a natural antibacterial texture inspired by insect wings, killing up to 70% of bacteria. The innovation aims to reduce food waste, particularly in meat and dairy exports, and extend the shelf life of packaged food.
A new fabric developed by MIT engineers can detect subtle heartbeat features and the direction of sudden sounds, enabling real-time monitoring of vital signs. The fabric works like a microphone, converting sound vibrations into electrical signals.
Scientists from Karlsruhe Institute of Technology (KIT) have successfully embedded enzymes in metal-organic frameworks to enhance their stability. This innovation enables the use of these enzymes in both aqueous and organic solvents, leading to improved productivity and stability in continuous reactors.
A research team at the Advanced Science Research Center has identified peptidoglycan as the most powerful actuator material. The new water-responsive muscles can quickly expand and contract in response to water absorption and evaporation, enabling rapid actuation of micro and macro structures.
Scientists at EPFL have created strained crystalline nanomechanical resonators with ultralow dissipation, enabling the creation of high-purity quantum states. These nanostrings could be used as precision force-sensors, taking advantage of interactions such as radiation pressure and magnetic fields.
Researchers at Osaka City University have developed a new technique for controlling the luminescence color of materials using optical tweezers and nanotextured black silicon. The system can change the color of a material in response to changes in light pressure, allowing for fully reversible remote control.
Researchers have developed a novel approach to detect non-uniformities in 2D materials, enabling the creation of new medical sensors that can detect cancer treatment drugs like doxorubicin. The sensor material combines multiple signals from graphene and molybdenum disulfide to accurately measure analyte concentration.
Scientists at Tel Aviv University have created two-dimensional polymer microfiber networks that exhibit shape memory properties. These networks can be controlled by temperature-induced changes, allowing for morphing materials with microscale resolutions.
Researchers at MIT have improved the efficiency of scintillators by up to tenfold and potentially even a hundredfold by creating nanoscale configurations. This could lead to better medical diagnostic X-rays, reduced dose exposure, and improved image quality.
Researchers at MIT have discovered a monolayer multiferroic material that can be stacked to induce interesting properties. This finding could lead to the development of smaller, faster, and more efficient data-storage devices.
Researchers have developed an unsolved problem in microelectronics by creating the world's smallest battery, which can power tiny sub-millimeter-scale computers for about ten hours. The Swiss-roll process enables on-chip batteries for dust-sized computers with high energy density and integrability.
Scientists have developed a new approach to mimic synapse functions using magneto-ionics, which drastically decreases power consumption. The study reveals that thinner films of cobalt oxide exhibit faster magnetization generation and can emulate 'learning' and 'forgetting' functionalities.
Researchers at Surrey and the Federal University of Pelotas developed a low-cost, environmentally friendly way to produce flexible supercapacitors. The new technology can significantly extend the lifespan of Internet of Things devices, such as smartwatches and fitness trackers.
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.
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.
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.
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...
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.
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.
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.
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 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 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.
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.
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.
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.
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 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.
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.
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 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.