Articles tagged with Nanotechnology
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.
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.
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.
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.
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 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.
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.
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.
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.
Researchers at University of Limerick's Bernal Institute have helped discover a molecule that can switch between three distinct states, paving the way for low-energy data storage and processing. This breakthrough could have a major impact on the Internet of Things (IoT) and Artificial Intelligence (AI) applications.
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.
Researchers from NUS Nanoscience and Nanotechnology Initiative create a highly energy-efficient molecular system that achieves optimal digital in-memory computing. The invention enables charge disproportionation or electronic symmetry breaking, overcoming decades-long material systems bottleneck.
Researchers have created a highly stable artificial protein called SUWA, which can withstand temperatures of up to 122°C without denaturing. This breakthrough could lead to new applications in nanotechnology and synthetic biology.
Researchers developed SABER, a method to multiplex imaging of specific molecules, allowing visualization of rare and low-abundance molecules. The technique enables detection of multiple proteins, DNAs, or RNAs in a single tissue sample, advancing basic biology, biomarker discovery, and clinical diagnostics.
Scientists have successfully generated and manipulated spin currents in graphene, a unique material for long-distance spin transport. This breakthrough has the potential to revolutionize the development of efficient and versatile spin-based technologies.
Researchers at Kanazawa University developed a method to fill nanopipettes using a temperature gradient, achieving complete filling of a batch with pore diameters below 10 nm. The 'air bubble' that typically remains near the pipette's pore end can be removed by applying the temperature gradient.
A team of researchers from Kiel University has developed more stable spin states in molecules, enabling potential applications in computing and data storage. The newly created compounds feature three properties that are coupled together to create a self-assembling switch, revolutionizing the field of molecular spintronics.
nanoHUB, a virtual society for nanotechnology research and education, has received a National Science Foundation grant renewal to create new technologies. The cloud provides simulation software, data, lectures, and other innovative content to engineers and scientists.
Researchers at Hokkaido University developed a method to control swarming molecular machines using simple mechanical stimuli, exhibiting zigzag patterns or forming vortices. The system uses motor proteins and microtubules, which can self-repair after disruption.
Researchers at LMU develop first molecular motor that moves on an eight-shaped path using hemithioindigo dyes and green light. The new motor system offers improved switching properties and reduces environmental harm compared to existing motors.
A team of scientists led by OHIO Professor Saw-Wai Hla developed a molecular propeller that enables unidirectional rotations on a material surface when energized. The tiny propeller, composed of three components, can be controlled using an electric field or mechanical force.
The soft and conformable monitor can broadcast ECG, heart rate, respiratory rate, and motion activity data up to 15 meters. It avoids signal issues created by traditional metal-gel electrodes, providing accurate signals even during movement.
Researchers from the University of Barcelona successfully synchronized two nanoscale optomechanical oscillators through mechanical coupling. The study demonstrates collective dynamics that can be controlled by acting externally on one oscillator only.
Researchers at QNS have developed a technique to visualize the magnetic field of single atoms with unprecedented resolution. This breakthrough enables the mapping of spin distribution in complex structures such as molecules and magnetic materials.
Organic chemists at the University of Groningen have created an ordered array of light-driven rotary motors in a 3D solid-state material, achieving cooperative action. The system contains 3 x 10^20 motors per cubic centimeter, all running in unison and performing work on a macro scale.
Physicists at the University of Basel have demonstrated spontaneous spin polarization in a two-dimensional material, molybdenum disulfide. The phenomenon occurs due to interactions between electrons and weak spin-orbit coupling, contradicting a well-known theorem from the 1960s.
A nearly 30-year mystery has been solved by Rutgers and international scientists, who discovered the molecular machinery that produces potent antibiotic microcin B17. The findings provide tools to design new antimicrobials and anticancer drugs.
A new Louis Stokes Regional Center of Excellence will help broaden participation of minority students in nanotechnology and STEM fields. The center will provide remote access to nanotechnology instruments, research experience, and professional development for educators.
Researchers have discovered how DNA gyrase, a molecular machine in bacterial cells, prevents twists in DNA that can stop replication and kill the cell. This knowledge can lead to the design of new targeted antibiotics to combat antibiotic-resistant bacteria.