Articles tagged with Nanostructures
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers developed highly efficient and stable perovskite light-emitting diodes using a solvent sieve method, achieving an operating lifetime of over 5.7 years and a record high external quantum efficiency of 29.5%. The study also demonstrated excellent stability in ambient air conditions.
Researchers at Tohoku University and Shanghai Jiao Tong University developed a machine learning method to predict the growth of carbon nanostructures on metal surfaces. The approach combines theoretical models with data from chemistry experiments to control the dynamics of material growth, leading to improved quality and efficiency.
The team successfully demonstrated the growth of cobalt nanoclusters by exploiting the trapping potential of two-dimensional crown ether molecules on a copper surface. The resulting cobalt NCs were of two sizes, 1.5 nm and 3.6 nm.
Researchers at Washington University in St. Louis used specially made nanostructures to enhance the locust's ability to detect odors, boosting neural signals for improved chemical sensing. The team created a biocompatible and biodegradable nanoparticle that converts light to heat, amplifying neural activity.
Researchers at Brookhaven National Laboratory have developed a universal method for producing functional 3D metallic and semiconductor nanostructures using DNA. The new method produces robust nanostructures from multiple material classes, opening opportunities for 3D nanoscale manufacturing.
A new technique using superluminescent light projection can print metal nanostructures at 480 times the speed and 35 times the cost of current methods. This breakthrough has the potential to democratize nanoscale 3D printing, making it accessible to more researchers and industries.
Researchers at TU Graz have made a breakthrough in manufacturing complex, free-standing 3D nanoarchitectures with precise shapes and sizes. They achieved this by precisely simulating the required optical properties in advance and completely removing chemical impurities, enabling new optical effects and application concepts.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences developed a 10-centimeter-diameter glass metalens that can image the sun, moon, and distant nebulae with high resolution.
Researchers at Osaka University have developed a new thermoelectric material that can improve the efficiency of temperature-to-electricity conversion, enabling more sustainable IoT applications. The innovation has potential to power environmental monitoring systems and wearable devices.
Rice chemists find a way to remove impurities from boron nitride nanotubes using phosphoric acid and fine-tuning the reaction. The new method produces high-purity tubes that are stronger than steel by weight, making them suitable for various industries, including aerospace and biomedical imaging.
Scientists have made significant progress in understanding ultrafast electron dynamics by tracking the motion of electrons released from zinc oxide crystals using laser pulses. The research team combined photoemission electron microscopy and attosecond physics technology to achieve temporal accuracy, enabling them to study the interact...
A multi-institutional research team, including Osaka University, has developed a new approach to enhance the efficiency of Mie scattering, which could lead to significant advancements in meta-photonics and applications like all-optical transistors. The researchers found that misaligning the incident laser on a nanometer scale can induc...
LMU researchers create a two-dimensional supercrystal that generates hydrogen from formic acid using sunlight, holding the world record for green hydrogen production. The material uses plasmonic nanostructures to concentrate solar energy and convert it into high-energy electrons.
Researchers developed a novel laser-induced hydrothermal reaction method to grow binary metal oxide nanostructures and layered-double hydroxides on nickel foams. This technique improves the production rate by over 19 times while consuming only 27.78% of the total energy required by conventional methods.
Researchers developed a technique to achieve uniform shrinkage of 3D-printed structures, enabling finely detailed structures with advanced light manipulation capabilities. The method has applications in anti-counterfeiting, high-performance devices, and materials with precise structuring.
Researchers have successfully observed the operating principle of promoters in a catalytic reaction in real-time. Using high-tech microscopy methods, they visualized individual La atoms' role in hydrogen oxidation. The study revealed that two surface areas of the catalyst act as pacemakers, controlled by promoter lanthanum.
Researchers at Tokyo University of Science developed nanostructured hard carbon electrodes using inorganic zinc-based compounds, which deliver unprecedented performance and significantly increase the capacity of sodium- and potassium-ion batteries. The new electrodes improve energy density by 1.6 times compared to existing technologies.
Researchers have developed a new self-assembling nanosheet that can create functional and sustainable nanomaterials for various applications. The material is recyclable and can extend the shelf life of consumer products, enabling a sustainable manufacturing approach.
Osaka University researchers create a wirelessly powered, biodegradable soil moisture sensing technology that can be installed in high densities, enabling precision agriculture with minimized land and water use. The system achieves both electronic functionality and biodegradability, allowing for safe disposal of used sensor devices.
Researchers have engineered a range of new single-walled transition metal dichalcogenide (TMD) nanotubes with different compositions, chirality, and diameters. The ability to synthesize diverse structures offers insights into their growth mechanism and novel optical properties.
Researchers at the University of Minnesota discovered that electron beam radiation can repair cracks in nanostructures, a process critical for improving electronic devices. The self-healing crystals could lead to more efficient and cost-effective materials.
Researchers at Osaka University developed a water-repelling nanostructured light diffuser that surpasses the functionality of other common diffusers. The diffuser uses randomly arranged self-cleaning nanopatterns to produce high transmittance and wide angular spread, making it useful for visual displays and energy-saving windows.
Researchers fabricate a pure form of glass and coat specialized pieces of DNA with it to create a material stronger than steel but incredibly lightweight. This novel technology has inspired innovative applications in drug delivery, electronics, and more.
The research team successfully developed nanomaterials through a bottom-up approach, exploiting the directionality of crystal growth during crystallisation. The resulting nanostructures have potential applications in various fields, including information processing and catalysis.
Researchers discovered how corrosion and crystallization over centuries created nanofabrication of photonic crystals in ancient Roman glass. The crystals have applications in modern technology, including waveguides, optical switches, and devices for fast optical communications.
Researchers found that surfactants in aerosols form complex structures that shield hazardous materials, extending their lifetime and reach. This increases the risk of breathing toxic substances from cooking and cleaning activities for longer.
Scientists have successfully fabricated centimeter-scale transition metal dichalcogenide field-effect transistors with low ohmic contact resistance close to the quantum limit. The devices exhibited an ultrahigh current on/off ratio of ~10^11 at 15 K, outperforming previous values.
Core-shell nanostructured Mg-based hydrogen storage materials show excellent kinetics and long-term cycling performances. They can absorb and desorb hydrogen at relatively low temperatures, reducing energy consumption in hydrogen storage and release. The materials have potential to improve Mg-based hydrogen storage systems for various ...
Researchers successfully recreated and mathematically validated two molecular languages at the origin of life, opening doors for nanotechnology development. They designed a programmable antibody sensor using multivalency, which detects antibodies over different concentration ranges.
Rice University chemists have discovered that gold nanoparticles are synthesized from gold buckyballs, a finding that could revolutionize nanoparticle synthesis. This discovery was made by Matthew Jones and Liang Qiao, who found that the commonly used golden 'seed' particles were actually cousins of the original buckyballs.
Researchers develop low-cost 3D nanoprinting system with nanometer-level accuracy for printing microlenses, metamaterials, and micro-optical devices. The system uses a two-step absorption process and integrated fiber-coupled laser diode, making it accessible to scientists beyond optical experts.
Researchers develop nanofilms that mimic the nanostructures of butterfly wings, creating vibrant colors without absorbing light. These films can be used on buildings, vehicles, and equipment to reduce energy consumption and preserve color properties, with potential applications in energy sustainability and carbon neutrality.
A Japanese research team has developed a technique that could lead to a new paradigm for genomic analysis using quantum computers. The breakthrough involves identifying single nucleotides, a crucial step toward creating a molecular sequencer of DNA.
Dr. Amir Asadi's team embeds patterned nanostructures into high-performance composites to achieve multifunctionality and structural integrity simultaneously. This approach offers a practical and scalable method for creating nanostructured materials with tunable properties, revolutionizing the manufacturing of high-performance composites.
Researchers from the University of Iowa and Brookhaven National Laboratory create 14 organic-inorganic hybrid materials, including seven entirely new ones, to advance clean energy and safe nuclear energy. The study reveals new bonding mechanisms and insights into material separations and recycling.
Researchers developed a cost-effective method using LEGO robots to purify complex DNA structures. The technique, called rate-zonal centrifugation, utilizes the LEGO kit's gradient-mixing capabilities to separate and isolate individual components of the nanostructures.
Researchers from Osaka University have demonstrated a method of dehydrating CNFs to a dense powder without affecting their three key properties. The resulting CNF powders retain high viscosity, transparency, and tunable properties.
Researchers at Purdue University have developed a new steel alloy with extraordinary strength and plasticity, achieving a yield strength of about 700 megapascals. The treatment produced ultra-fine metal grains that exhibit super-plasticity, allowing the material to stretch and bend without rupturing.
A novel technique allows for the observation of colloidal particle degradation in real-time, providing valuable insight into the mechanisms of micro- and nanoplastics origin and change over time. The study demonstrates the potential to assess temperature variations, ultraviolet light, and stress on nanoscale particles.
F. Ömer Ilday brings ultrafast lasers expertise to Ruhr University, focusing on materials science and complex laser-matter interactions. He aims to establish a new center for interdisciplinary collaborations and promote start-ups.
Researchers developed an ultrafast laser processing technology based on non-contact microspheres, realizing <50 nm functional nano-patternings on phase change materials. The method achieves a good balance between working distance and feature size, overcoming the optical diffraction limit.
Paderborn researchers develop innovative approach to generating higher harmonics in silicon metasurfaces, increasing efficiency through the Fano effect. The study enables third harmonics to be generated much more efficiently than with previous known structures.
The article discusses the fabrication and applications of van der Waals heterostructures (vdWHs), which have unique properties and potential for exploring condensed matter physics. Various strategies for fabricating vdWHs were developed in the past decade, leading to promising functionalities in diverse fields.
Scientists have successfully engineered multi-layered nanostructures of transition metal dichalcogenides to form junctions, enabling the creation of tunnel field-effect transistors (TFETs) with ultra-low power consumption. The method is scalable over large areas, making it suitable for implementation in modern electronics.
Researchers successfully applied reinforcement learning to protein design, creating proteins with improved antibody generation and accurate nano-structures. The approach may lead to more potent vaccines and novel applications in regenerative medicine.
Researchers at Nagoya University have synthesized methylene-bridged [n]cycloparaphenylenes ([n]MCPPs) with varying ring sizes, exhibiting unique properties such as fluorescence and paratropic belt currents. The discovery has significant implications for studying magnetic properties of aromatic nanobelts.
Osaka University researchers develop a cellulose-based material, called nanopaper e-skin, that makes effective contact with the skin while maintaining breathability and comfort. The substrate can withstand deformation, sterilization, and environmental sustainability, making it a promising candidate for electrophysiological monitoring.
Researchers have developed a novel photoelectrochemical ultraviolet photodetector that can detect two types of ultraviolet light using a multilayered nanostructure. The detector's performance can be regulated through light intensity and external bias, enabling easy adaptation to environmental changes.
Researchers have synthesized NiO nanospheres with fast switching speed and excellent cycling stability, indicating promising application potential in high-performance electrochromic devices. The as-prepared nanospheres exhibited a fast coloring/bleaching speed and excellent cycling stability.
Researchers developed a novel optical imaging approach to observe cell secretions in space and time, revealing key heterogeneity and potential for pharmaceutical development. The method has tremendous potential for high-throughput screening of individual cells and studying delicate antibody-secreting human donor B-cells.
Human macrophages use Siglec-14 receptors to recognize and engulf carbon nanotubes, leading to inflammation. The discovery could pave the way for developing safer carbon nanotubes and therapies to prevent inflammatory diseases.
Researchers developed a method to characterize nanomaterials using sequential infiltration synthesis in nanostructured polymers. This technique allows for the creation of extremely small structures on semiconductor surfaces, enabling further miniaturization of next-generation microelectronic components.
A team of researchers at the Max Born Institute developed a novel method for X-ray Magnetic Circular Dichroism (XMCD) spectroscopy using a laser-driven plasma source. This breakthrough enables precise determination of magnetic moments in buried layers without damaging samples, and can monitor ultrafast magnetization processes.
Researchers have developed a novel technology for nanoencapsulation of bioactive compounds, specifically anthocyanin, using pectin and lysozyme. The methodology ensures slow release of the compound, allowing it to survive gut bacteria and digestive enzymes.
Researchers developed an in situ technique to observe material behavior under various stresses, including shear stress. This allows for precise understanding of how materials respond and identify preferred slip planes.
Scientists create hybrid composite scaffolds with aligned nanofibrous architectures to improve cell seeding efficiency, proliferation rates, and morphogenesis. The findings have potential applications in tissue repairing and regenerative medicine.
Researchers pioneered a technique to observe the 3D internal structure of rechargeable batteries, enabling direct observation of the solid electric interface (SEI) and its progression. The study reveals key predictors of SEI layer formation in a complex interplay of molecular dimensions, surface properties, and solvent interactions.
A UCF researcher has developed the first environmentally friendly, multicolor alternative to pigment-based colorants using structural colors from butterflies. The new plasmonic paint is lightweight, non-toxic, and reflects the entire infrared spectrum, promising significant energy savings and reduced global warming.
Researchers developed a simple purification method using surfactants to separate hydrophobic DNA nanostructures from aggregates, enabling the construction of artificial cells and complex functions in molecular robots. The purified structures retain their ability to bind lipid vesicle surfaces.
Scientists at Universitat Autonoma de Barcelona have created spherical nanoparticles inspired by amyloid proteins that bind to the SARS-CoV2 spike protein with high affinity, preventing cell infection. The biocompatible and stable nanostructures also show great potency in blocking viral particles.