Articles tagged with Nanotechnology
Researchers at Chungnam National University developed a new ultra-thin protective layer using polyacrylic acid to prevent dendrite growth and enhance battery performance. The zinc-bonded polyacrylic acid coating proved remarkably durable, resisting dissolution in aqueous solutions and promoting uniform distribution of zinc-ions.
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.
Researchers have developed a catalyst-free ionogel made from cellulose and an ionic liquid that exhibits exceptional strength and conductivity, outperforming synthetic analogues. The gel is also eco-friendly and low-cost, making it suitable for fully compostable high-performance electronics.
Researchers have developed a method to control the interactions between light and materials at the nanoscale, allowing for ultrafast on-and-off switching of resonances. This breakthrough enables precise control over optical resonance, opening up new paths for faster optical computers, quantum communication, and photonic circuits.
Lehigh University Professor Christopher J. Kiely has been awarded the 2025 Presidential Science Award from the Microanalysis Society for his outstanding contributions to microanalysis research. He is recognized internationally for his decades-long leadership in microscopy education through the Lehigh Microscopy School.
Scientists create a new class of mechanochromic mechanophores that can detect and respond to mechanical stress in polymeric materials through fluorescence. The developed molecule exhibits excellent stress-sensing with high durability, offering a powerful tool for real-time monitoring of mechanical damage.
Researchers developed a hybrid approach combining molecular dynamics simulations and Helfrich theory to evaluate bending rigidities of graphene nanosheets with lattice defects. The study reveals insights for designing novel materials with tailored mechanical properties.
A new CAR-T cell treatment using HAase-loaded nanogels has been developed to improve the effectiveness of cancer therapy against solid tumors. The treatment works by degrading the extracellular matrix, allowing CAR-T cells to infiltrate and attack tumor cells more effectively.
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 developed a new scattering-type scanning near-field optical microscopy (S-SNOM) technique achieving 1-nm resolution, enabling atomic-scale imaging of materials. This enables studying of atomic defects and nanoscale structures with unprecedented precision.
Twenty-four young investigators were selected for their contributions in nanomaterial self-assembly, with a focus on synthesis, characterization, and applications. The NR45 Awards aim to recognize and support innovative research in this field.
A novel mathematical framework enables precise control over multiple descriptors in high-nickel cathodes, improving mechanical and structural stability. The approach yields significantly improved electrochemical performance and minimal particle cracking, leading to safer consumer electronics and more reliable electric vehicles.
Heterometallic nanosheets with defined structures can be synthesized in a single-phase reaction, enabling their use as coatings, electronic devices, and catalysts. The discovery paves the way for mass-producing these nanomaterials using printing technology.
Researchers develop flexible/stretchable displays using ECLDs, which offer lightweight and intelligent wearable devices. The study explores material selection principles, preparation processes, and applications for ECLDs, highlighting the potential for multi-color displays and wearables.
A new laser machining method enables high-precision patterned laser micro-grooving with root mean square errors below 0.5 μm. This technique allows for rapid and scalable manufacturing of custom microstructures, advancing applications in microfluidic devices, sensors, and heat dissipation systems.
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.
Researchers have developed a technique to grow stem cells into single sheets, increasing the secretion of signaling proteins that help repair tissue and regulate the immune system. This new approach could improve stem cell-based treatments for conditions such as heart disease, liver damage, and autoimmune illnesses.
Researchers have developed a world-first method to simulate specific types of error-corrected quantum computations, a significant leap forward in the quest for robust quantum technologies. The new algorithm tackles a long-standing challenge in quantum research and enables accurate simulation using conventional computers.
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.
Scientists have created a nanoscale 'cloud' metasurface capable of dynamically switching between white and grey states to enable daytime cooling, heating, and thermal camouflage. The system uses multiple scattering, absorption, and polarizonic reflection principles to modulate light and heat.
Researchers introduced hydrogen into high-quality Ge thin films, reducing hole density by three orders of magnitude. Low-temperature annealing repaired surface defects, further improving device performance and applicability.
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 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 from Institute of Science Tokyo create photo-switchable binding of DNA nanostructures that generate two distinct directional motions. The research paves the way for innovative fluid-based diagnostic chips and molecular computers.
Researchers developed key technologies for precise and high-speed bonding and adhesive technology to address demands of high-performance computing applications. They successfully integrated chips onto a 300 mm waffle wafer, achieving enhanced bonding speed without chip-detachment failures.
Researchers successfully produce artificial cells with model nuclei, allowing for protein synthesis and demonstrating potential applications in biotechnology. The development of these uniform artificial cells is a significant step towards creating artificial cells that can replace natural ones.
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.
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 team of researchers from Shibaura Institute of Technology, Japan, has developed a novel fluorinating quaternary ammonium complex with extremely low hygroscopicity, making it an excellent reagent for electrochemical fluorination. The new agent was synthesized by combining KF with tetrabutylammonium bromide and showed promise in pharma...
Researchers have developed a new method to physically restore original paintings using digitally constructed films that can be removed if desired. The process uses a polymer film mask printed on a very thin film and aligned to an original painting, which takes around 3.5 hours from start to finish.
Researchers have developed glass-epoxy-based waveguides with low polarization-dependent loss and differential group delay, suitable for stable signal transmission in co-packaged optics. The waveguides demonstrated high power stability and reliability under six hours of continuous use.
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.
Researchers demonstrate a new strategy for magnetization reversal in multiferroic materials, allowing for more energy-efficient electronics. The study achieves this breakthrough by growing thin films in an unconventional crystallographic orientation, enabling the application of electric fields perpendicular to the film surface.
Dr. Natalie Artzi joins the Wyss Institute as Associate Institute Director, working closely with Don Ingber to shape strategic direction and advance research and translation efforts. She leads a world-class research program focused on developing tissue- and cell-responsive nanostructures for disease tracking and treatment.
Phytomedicine, including traditional Chinese medicine, demonstrates dual efficacy against SARS-CoV-2 and acute coronary syndromes. Various herbs and compounds have been found to inhibit viral replication, reduce inflammation, and improve cardiovascular function.
Weizmann Institute researchers developed a nano-MRI device with a resolution of one nanometer, allowing for the imaging of individual molecules. This technology paves the way for high-resolution molecular imaging in materials and pharmaceutical industries.
Researchers from MIT and SMART extended fresh-cut crops' shelf life by four days at room temperature and 10 days when refrigerated using melatonin-filled microneedles. This technology could reduce global food waste, providing an alternative to refrigeration for regions with limited infrastructure.
A team successfully observed hydrogen and deuterium molecules confined within a picocavity, revealing unprecedented detail about their vibrational modes. The study demonstrates a pronounced isotope-dependent effect, highlighting the potential for advanced molecular spectroscopy and nanoscale sensing.
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 Johns Hopkins University Applied Physics Laboratory have developed nano-engineered thermoelectric refrigeration technology with controlled hierarchically engineered superlattice structures (CHESS) that is twice as efficient as traditional bulk materials. The CHESS technology offers a scalable alternative to traditional c...
Researchers have developed a material that can collect moisture from the air and release it onto surfaces without external energy input. The material works through capillary condensation, where water vapor condenses inside tiny pores at lower humidity levels, creating a feedback loop of water harvesting.
Scientists develop high-quality (Ga,Fe)Sb ferromagnetic semiconductor with a record-high Curie temperature of up to 530 K, exceeding previous limits and enabling stable operation at room temperature. The material exhibits excellent crystallinity and superior magnetic properties, making it suitable for spintronics applications.
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 from Florida Atlantic University and the German Electron Synchrotron mapped the internal structure of blacktip sharks in unprecedented detail, discovering a microscopic 'sharkitecture' composed of densely packed collagen and bioapatite. This intricate structure gives cartilage surprising strength while allowing flexibility.
A portable and highly sensitive ethanol sensor has been developed using a copper-based metal–organic framework thin film, enabling precise optical measurements without complex lab equipment. The sensor can visually detect varying ethanol levels, even at low concentrations, and can be integrated with a smartphone app for easy use.
Researchers developed nano-precipitation-strengthened high-entropy alloys, achieving ultrahigh gigapascals yield strength and superb resistance to adiabatic shear failure. Nanoprecipitates act as dislocation barriers and energy-absorbing islands, dispersing strain energy through order-to-disorder transition.
Researchers successfully integrated femtosecond-pulse VSFG spectroscopy with scanning tunneling microscopy (STM) to detect VSFG signals from molecules in nanoscale gaps. Phase analysis revealed molecular orientation, and the technique's spatial confinement enabled detection of signals from a limited number of molecules.
The 4th Annual MPS World Summit brings together over 1,500 international experts to explore advancements in Microphysiological Systems (MPS) research. This event focuses on drug and chemical safety, disease modeling, and regulatory testing.
A new large-aperture MEMS grating modulator has been developed, offering significant advancements in optical efficiency and scalability for communication systems. The device supports high-speed modulation up to 250 kHz and achieves 90% optical efficiency.
Researchers create silk iron microparticles that can be guided using a magnet to deliver drugs and treatments precisely to sites in the body. The development has potential applications in regenerative medicine, cancer therapies, and cardiovascular disease treatment.
MIT researchers have developed a way to produce large amounts of silk microneedles to deliver agrochemicals and nutrients to plants, showing promising results in treating chlorosis and adding vitamin B12 to tomato plants. The technology has the potential to serve as a new kind of plant interface for real-time health monitoring and biof...
Iron-based magnetic nanomaterials have shown potential in drug delivery, magnetic hyperthermia, and iron deficiency treatment. They influence macrophage reprogramming through enzyme-like activities, modulating intracellular iron metabolism and regulating cell signaling pathways.
MIT engineers developed ultrathin electronic films that sense heat and other signals, reducing the bulk of conventional goggles and scopes. The new pyroelectric thin film is highly sensitive to heat and radiation across the far-infrared spectrum, enabling lighter, more portable night-vision eyewear.
Researchers use microfabrication techniques to create tiny tattoos on tardigrades, which can survive freezing temperatures and radiation exposure. The technique allows for the creation of biocompatible devices and sensors that could advance medicine and biomedical engineering.
Professor Sun has been recognized for her transformative advancements in devices used for disease diagnosis, communication, and military safety. Her multidisciplinary research has secured over $8 million in external funding from premier organizations.
Researchers at Brown University suggest that gold nanoparticles could one day be used to restore vision in people with macular degeneration and other retinal disorders. The nanoparticles, when injected into the retina, can stimulate the visual system and restore vision in mice with retinal disorders.
Researchers have developed a pioneering method that combines atomic force microscopy with artificial intelligence to detect changes in cancer cells at a small scale. This enables more accurate and reliable diagnoses, potentially leading to earlier detection and better treatment outcomes.
A novel AI framework, MULGONET, improves cancer recurrence prediction by integrating genomic, epigenetic and transcriptomic data. The model overcomes limitations of traditional machine learning models by automatically linking genes to biological processes, enabling trans-cancer applicability.
A new THz metasurface device can continuously manipulate polarization states on different output planes over a relatively long propagation distance. It achieves this by decomposing incident polarized THz waves into two orthogonal circularly polarized components, which then recombine to produce linearly polarized waves.
Researchers have developed a fabric-based wireless sensing network composed of a single fiber, enabling self-powered wireless sensing and energy generation. The system can monitor physiological signals, sweat levels, and perform gesture recognition, providing a potential solution for wearable technology.