Articles tagged with Nanotechnology
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 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 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.
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 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.
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.
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.
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.
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 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.
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.
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.
A POSTECH research team developed a water-driven self-operating soft actuator that exceeds the strength and speed of conventional soft actuators. The actuator is inspired by the mutable collagenous tissue of sea cucumbers, which can change shape in response to water uptake.
Researchers at the University of Tsukuba successfully grow a Li@C60 film on a copper surface, studying its molecular orbitals and enabling transport of electrons. The new method uses a salt with a larger, less strongly bound anion to form a stable monolayer.
Researchers developed nitrogen-doped fluorescent carbon dots for multi-mechanism detection of iodide ion and curcumin in complex biological and food samples. The NCDs showed remarkable sensitivity, low detection limit, and good selectivity, making them a promising prospect for biosensing and disease diagnosis.
Researchers at MIT have quantified the phenomenon for the first time, finding that boiling droplets on hot oily surfaces move rapidly due to a thin oil cloak coating the outside of each water droplet. This cloak acts as a kind of balloon skin, holding vapor bubbles in place and imparting momentum.
Researchers developed a nanotherapeutic platform that combines camptothecin with immune checkpoint inhibitors to increase effectiveness against aggressive tumors. The approach showed promising results in eliminating difficult-to-treat late-stage metastatic colorectal cancer and melanoma tumors.
Researchers have successfully synthesized AIE-active nanoparticles in a single step, producing fluorescent sensors that can detect nitroaromatic compounds with high sensitivity. The novel solid-state sensors show quenching of fluorescence emission on contact with PA, enabling fast and accurate detection of explosives.
Researchers have identified promising avenues for targeted nanoparticles in cancer immunotherapy, specifically targeting the tumor microenvironment. By activating dendritic cells and macrophages, nanoparticles can relieve hypoxia and change the state of an immunosuppressive TME to immunosupportive.
A joint research team from POSTECH and KIMS developed a faster and more accurate microstructure imaging technique using deep learning. The technique enhanced the resolution of existing microstructure images up to 4, 8, or 16 times, reducing imaging time by up to 256x compared to conventional SEM systems.
The PROTEIN-ID project aims to create a device that can read the fingerprint of proteins and identify their sequence, enabling rapid detection of diseases. The innovative device will use spectroscopic techniques, machine learning, and nanoscale sensors to analyze protein structures.
Researchers from NUST MISIS and international partners create a radar-absorbing polymer composite with excellent magnetic and microwave properties. The composite can absorb 99.9% of incoming electromagnetic radiation, making it suitable for EMI shielding applications in industries such as 5G networks and radar absorbing coatings.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
Researchers at Tel-Aviv University developed a new biological material that generates electric currents and voltage through mechanical force, enabling the creation of implantable devices without batteries. The material, similar to collagen, is non-toxic and piezoelectric, with potential applications in medicine and energy harvesting.
Researchers at SUTD use nanoscale 3D printing to create ultra-realistic 3D images with a maximum pixel resolution of 25,400 dpi. The high-resolution light field prints display autostereoscopic images that change appearance when viewed from varying angles.
Researchers designed a new type of molecular motor that can rotate in picoseconds using the power of a single photon. The motor's speed is significantly faster than existing designs, with potential applications in drug delivery, nanotechnology, and controlling biological processes.
Researchers at the University of Jyväskylä have demonstrated a new method to make graphene ultrastiff using optical forging, increasing its stiffness by several orders of magnitude. The technique, which involves irradiating defects in the graphene lattice, opens up new application areas for this wonder material.
Excitons can simultaneously show atomic-like and solid-like characteristics, with electrons and holes bound together in an atomic character or moving freely like waves in a solid. This discovery opens up new avenues for manipulating excitonic and materials' properties by light.
A University of Central Florida researcher has created a new technique to keep lithium-ion batteries from degrading over time. The method involves applying a thin film-like coating of copper and tin to the anode, significantly reducing degradation by more than 1,000 percent.
Researchers have figured out a key step in how molecular Ferris wheels work in yeast proton pumps, providing insight into a fundamental process that could be harnessed to thwart disease. The study uses high-resolution images and computer simulations to confirm the role of water molecules in conveying protons through the membrane.
Researchers at Hebrew University of Jerusalem have made a breakthrough in harnessing DNA molecules for disease detection and electronics. They developed a highly-reliable method to measure electric currents passing through individual DNA molecules, finding that the current flows along the backbone rather than base-pairs.
Researchers have developed a new type of magnetic tunnel junction with four resistance states, enabling the creation of multi-level memory devices and neuromorphic memory. This breakthrough paves the way for more efficient spintronics devices.
Researchers at the University of Virginia have discovered how plants make cellulose, a key component of cell walls. Cellulose is created through molecular machinery that produces three chains, which are then transported to the cell surface and assembled into microfibrils for added strength.
Researchers at Princeton University and St. Jude Children's Research Hospital found that the formation of condensates depends on multiple compounds present in the cell, with compositional dependence playing a crucial role. The study demonstrates the importance of this composition dependence for the assembly of critical molecular machin...
Researchers have developed a technique to flatten graphene sheets, reducing microscopic distortions that scatter electrons. This process increases electron mobility, leading to improved sample quality and potentially faster electronic devices.
Scientists have created a compatible semiconductor laser made of germanium and tin, with efficiency comparable to conventional GaAs semiconductor lasers on Si. The new laser can be manufactured during the CMOS production process, reducing waste heat and enabling continuous operation.