Articles tagged with Nanotechnology
Researchers at Penn State and NIST developed a new way to build tinier, smarter glass sensors filled with highly precise and stable atoms. These sensors can measure high-frequency electromagnetic signals, including millimeter-wave radiation, and offer improved navigation accuracy and reliability.
Researchers developed a perovskite/In0.47Ga0.53As thin-film heterojunction to create high-sensitive DUV-SWIR photodetectors with optimal stability and performance. The device achieved 98.9% retention of initial performance after 30,000 cycles.
Researchers have resolved the atomic-scale interplay between hole transfer dynamics and water oxidation intermediates on faceted BiVO₄ particles. A critical hole density threshold dictates pathway bifurcation, with the (010) facet becoming catalytically superior above this threshold.
Researchers developed a pH-triggered nanocomposite that synchronizes the release of therapeutic agents, combating bacterial biofilms and oxidative stress. The platform accelerates healing and promotes tissue repair in infected wounds.
The project aims to systematically map how individual pairs of cells influence each other, with the goal of understanding cell-cell communication in health and disease. By characterizing the cellular dyad, scientists can determine which cell influenced which partner, when the interaction began and what changed as a result.
Janus 2D materials' synthesis has been solved by uncovering the underlying physics, paving the way for more precise manufacturing of electronics and clean energy technologies. The 'Electron Accumulation Model' controls the reaction at room temperature, accelerating it with ultraviolet light.
Researchers discovered that lithium doping of a 12-benzene-ring molecule creates a material with strong optical responses due to synergistic effects between aromaticity and charge transfer. This finding establishes fundamental design principles for high-performance carbon-based photonic devices.
Researchers have developed a polymer-based microring resonator array with over 40 elements, demonstrating broadband acoustic detection and fine spatial resolution. The system achieved strong correspondence with biological structures, including blood vessel regions, in imaging mouse prostate tissue.
Researchers have identified a mechanism to improve energy efficiency by converting wasted heat into electricity using hollow silicon nanotubes. This technology has the potential to replace rare metals with abundant silicon, leading to more efficient thermoelectric devices.
Researchers developed a novel gene therapy platform that successfully restored muscle function in preclinical models of Duchenne muscular dystrophy by delivering full-length mRNA of the DMD gene via engineered extracellular vesicles. The treatment showed improved muscle strength, endurance, and function without serious side effects.
Researchers developed DNA tetrahedrons with Vitamin E-derived molecules for targeted cancer treatment, enhancing cellular uptake and improving anticancer efficacy. The modification triggered oxidative stress in cancer cells, leading to programmed cell death.
Researchers have discovered a new iron–scandium catalyst that stabilizes iron catalysts and enables the growth of centimeter-long carbon nanotubes under high-temperature conditions. The study reveals scandium as a key cocatalyst, improving catalyst lifetime and promoting CNT growth.
Researchers at Brown University have shown the first experimental evidence for a 80-atom boron buckyball molecule. The new structure is stable and symmetrical, with peaks in its electron binding energy distribution indicating highly tightly bound electrons.
By integrating GaN transistors into a diamond substrate, researchers have improved the speed and energy-efficiency of next-generation wireless devices. The diamond layer spreads and manages heat, allowing the transistors to operate at peak performance without degrading reliability.
Researchers developed anisotropy-tunable mesoporous polydopamine nanomotors with POM-mediated assembly, which combine intrinsic antibacterial activity, self-propulsion, and high drug-loading capacity. These nanomotors demonstrate enhanced antibacterial efficiency and biofilm eradication against drug-resistant bacterial biofilms.
Large-scale simulations show that chemical impurities trigger graphitic interface formation in amorphous carbon, promoting low-friction surfaces. Hydrogen and oxygen-based impurities help stabilize tiny voids within the carbon network.
Researchers clarify microscopic origin of charge noise in silicon spin qubits, attributing it to electronic transitions between conduction band and trap states. Higher temperatures improve gate fidelity by reducing switching rates and transition times.
Researchers summarize recent developments in terahertz biophotonics, highlighting its potential for overcoming technical limitations in fields like skin cancer diagnosis, wound assessment, and drug discovery. The study provides a roadmap for future research to improve the field's practical applications.
Researchers developed an interferometric second-harmonic generation imaging approach to identify antiparallel domains and detect hidden structural defects in hBN thin films. The study finds that SHG intensity is closely associated with differences in crystal orientation and destructive interference between domains.
A novel asymmetric alloying method enables the creation of carbon-centered gold(I)-silver(I) chiral bicapped square antiprism polyhedral clusters, exhibiting phosphorescence and distinct chirality-dependent properties. The approach offers a new paradigm for precise alloying and stereocontrol of metal clusters.
Scientists have developed a method to measure the electronic structures of liquid water and organic molecules using soft X-ray absorption spectroscopy. By controlling the thickness of the liquid layer, they obtained XAS spectra of both the bulk liquid and the solid-liquid interface.
Researchers found that linear alkane molecules passed through nanoscale pores faster than shorter ones, with transport rates determined by pore size and gate flexibility. The study revealed a two-step transport mechanism involving an encounter complex at the outer surface of the nanocube.
Researchers have developed a new metal-organic framework (MOF) that captures 170 mg of water per gram at just 0.2% relative humidity, one of the highest water uptake capacities reported in such conditions. The material shows excellent stability and selectivity for water molecules over nitrogen.
Researchers developed a novel fluorescent nanosensor to detect IPA, an emerging biomarker linked to gut health and disease. The sensor offers rapid detection within minutes, distinguishing IPA from closely related metabolites, enabling accurate measurement even in complex biological environments.
Researchers at POSTECH develop technology that lowers contact resistance by 50-fold and boosts on-state current by 17 times in ultra-thin tellurium transistors. This breakthrough enables stable operation of devices even at extreme temperatures, paving the way for next-generation 3D integrated circuits.
A new quantum chemistry method predicts the behavior of molecules under light with lower computational cost, enabling the study of larger systems and complex reaction pathways. This breakthrough advances the discovery of next-generation materials and deepens understanding of molecular behavior under light.
Researchers developed a nanocomposite coating that improves stainless steel's resistance to highly acidic conditions, offering a potential solution for industries with metal equipment exposed to aggressive chemicals. The coating delivered up to 98.2% corrosion inhibition efficiency and remained stable over seven days of immersion.
The new method allows for scalable production of cell-containing capsules, maintaining cell viability and enabling studies on dynamic interactions. Researchers can customize capsule size and properties, making the technique useful for drug screening, regenerative medicine, and basic cell biology research.
Brown University researchers have stabilized a fleeting structural phase of matter that exhibits extraordinary optical properties. Using custom-shaped nanoparticles, they created a nanoparticle superlattice that freezes an elusive intermediate state between two common crystal metallic arrangements.
Lanzhou Jiaotong University researchers developed a droplet-based energy harvesting technology that converts secondary wastewater effluents into electricity. The system achieved high output performance and successfully powered LED lights, demonstrating its practical energy harvesting capability.
The MIT researchers developed a new sensor that can detect biomarkers produced by bladder cancer cells in the bladder, allowing for earlier detection. This approach is nearly 50,000 times more sensitive than traditional urinalysis and can image tumor location in tissue.
Researchers from The University of Osaka created a cobalt-based honeycomb structure that exhibits strong magnetic interactions and ferromagnetic-like behavior. This breakthrough may lead to lower-cost quantum computing materials using relatively cheap and widely available cobalt.
Researchers at UCF–UF develop a gram-scale mechanical resonator suspended entirely by diamagnetic levitation, eliminating mechanical supports and energy losses. The device achieves exceptional stability and low dissipation, outperforming high-end MEMS sensors.
A team of researchers from the University of Michigan and other institutions developed a quantitative measure to quantify complexity in nanomaterials. The metric enables engineers to design materials with unique properties not seen in natural or existing man-made materials.
A new method combines holographic optical tweezers with AC electric fields to pre-align and trap nanowires with improved stability and efficiency. This hybrid approach enables predictable, programmable movement, turning random motion into controlled assembly tasks.
Researchers at Yokohama National University developed a new recyclable resin that can be reused multiple times without losing quality. The resin uses reversible photodimerization to form bonds that can be broken and re-formed, enabling high-precision stereolithography.
Southeast University and Korea University researchers developed advanced copper catalysts to convert CO₂ into valuable fuels. Their strategy integrates tandem effects, synergistic interactions, and geometric control to enhance reaction pathways, reducing energy barriers for C₂+ product formation.
Osaka Metropolitan University researchers developed a light-driven method to rapidly collect microscopic targets, outperforming traditional techniques. The technique concentrates bacteria between 1000-10,000 times faster than existing approaches, paving the way for early disease detection and analysis of nanoparticles.
Researchers design polymer networks to replicate dynamic behaviors inspired by biological systems. Self-oscillating gels exhibit rhythmic motion similar to a beating heart, while artificial photosynthetic gels convert light into chemical energy.
Researchers at the University of Alicante have developed a precise method for measuring distances at the nanometre scale at room temperature. This breakthrough enables the identification of gold nanocontacts just three atoms thick, significantly advancing current understanding of electronic transport.
Researchers at Sultan Qaboos University developed a portable sensor for quick pathogen detection, overcoming limitations of conventional methods. The device can be used for field inspections, remote settings, and environmental monitoring, enabling personal, real-time testing.
Researchers have developed a coherent Raman spectroscopy method that directly detects ångström-scale molecular films at interfaces without plasmonic enhancement or electronic resonance. This approach suppresses strong substrate background signals, allowing for highly sensitive interfacial Raman spectroscopy.
A team of researchers from MIT has directly characterized the three-dimensional atomic structure of a relaxor ferroelectric for the first time. This breakthrough provides a framework for refining models used to design next-generation computing, energy, and sensing devices.
Researchers developed biocompatible molecular quantum nanosensors that operate inside living cells, enabling absolute temperature measurements with subcellular spatial resolution. The sensors also detect radical-related spin signals in the cytoplasm and nucleus of cancer cells.,
Researchers at the University of East Anglia have discovered that light can be programmed using its natural geometry, allowing for the creation of structured light with unique properties. This breakthrough has far-reaching implications for fields such as medicine, data transmission, and quantum technologies.
Researchers at UCSF discovered that single-celled organism Stentor learns through modifying existing proteins with calcium signaling, which is similar to the mechanism used by animal neurons. This finding suggests that learning may be a fundamental feature of life and could have evolved before the emergence of brains.
A team of researchers designed a bismuth-coordinated melanin material to shield against radiation and alleviate acute radiation syndrome (ARS), with promising results in mouse experiments. The material showed stronger shielding and antioxidant effects, improving survival rates from 20% to 60%.
A review article analyzes InP quantum dot synthesis, core/shell optimization, ligands, and charge management for high-performance QLEDs. The study reveals the intrinsic relationship between microscopic material properties and macroscopic device performance.
Researchers have developed a series of carbonyl-rich carbon sphere catalysts with unique wrinkled surface architecture, significantly enhancing the catalyst's performance in hydrogen peroxide electrosynthesis. The optimized catalyst achieved high H2O2 selectivity and efficiency.
Scientists at the University of Minnesota have discovered a powerful new method for controlling the electronic behavior of metals by adjusting film thickness at the nanometer scale, which can tune surface work function by over 1 eV.
Researchers at Tokyo University of Science demonstrated a method for manipulating metallic chiral nanoparticles using circularly polarized light. By confining light to an evanescent field near the surface of ultra-thin optical fibers, they selectively transported left- and right-handed particles based on their chirality.
Researchers developed nanoribbons with tailored electronic properties, enabling flexible electronics, ultra-small circuits and more efficient solar cells. The discovery paves the way for unprecedented control in next-generation technologies.
Salk scientists and collaborators advance visualization technology using visible-spectrum antigen-stabilizable fluorescent nanobodies (VIS-Fbs), reducing background fluorescence by up to a hundredfold. The new probe enables high spatial and temporal precision, allowing for real-time tracking of dynamic changes in living models.
Researchers at NUS CDE have developed biowaste coatings that improve the conversion of carbon dioxide into useful fuels and chemicals, achieving high selectivity rates and reducing reliance on PFAS. The coatings, made from crustacean shells, insect exoskeletons, and plant matter, offer a cost-effective pathway to climate technology.