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.
Scientists from Japan and Italy use synchrotron X-ray total scattering and vibrational spectroscopies to determine the structural disorder and dimensions of a building unit in the heterogeneous Ziegler-Natta catalyst. The research sheds new light on the full elucidation of nanostructure in practical heterogeneous catalysts.
Scientists analyzed 13,000-year-old beetle fossils using X-ray scattering techniques and found that the expected photonic nanostructures were perfectly preserved. The blue and green structural colors studied had not changed over time, with modern beetles of the same genus showing very similar colors.
The study demonstrates that nanoscale magnetic gyroids can adopt a large number of stable states, exhibiting ferromagnetic behavior without a unique equilibrium configuration. The findings establish gyroids as a candidate system for research into unconventional information processing and emergent phenomena relevant to spintronics.
A team of researchers developed a microwave heating strategy for synthesizing a transition metal chalcogenide nanostructure that efficiently catalyzes CO2 electroreduction to carbon monoxide. The catalyst achieved a record conversion current of 212 mA cm-2 and selectivity of ~95.5%.
Researchers created a universal model of nanobubbles to study the behavior of trapped substances. The model predicts bubble shape under thermodynamic conditions and describes molecular structure.
Researchers analyze 13,000-year-old fossils to understand the origin of light-scattering nanostructures in insects, which create colorful iridescent colors. The study finds that these structures may have evolved as a means of camouflage, with similar color patterns maintained over hundreds of thousands of generations.
Researchers at KAIST developed a 3D hierarchically porous nanostructured catalyst that efficiently converts CO2 to CO, overcoming mass transport limitations. The new catalyst shows high selectivity and mass activity, promising large-scale applications for green energy.
Magnetic nanostructures show promise in biomedical applications, including cell separation and targeted cancer treatment. High tumor cell death rates were observed with weak magnetic fields, suggesting a strong mechanical force that destroys tumor cells.
Scientists at Harvard University created an all-glass, centimeter-scale metalens with nanostructures that can focus light, revolutionizing applications like microscopy, cameras, and sensors. The breakthrough enables mass production of large metalenses using conventional chip fabrication methods.
The new Focused Electron Beam Induced Deposition (FEBID) process enables the production of complex three-dimensional nanostructures with unprecedented control and predictability. It also facilitates modification of existing micro and nano components, allowing for efficient fabrication on uneven surfaces.
The study introduces a novel approach to creating GaAs/GaAsBi core-shell multi-layered NWs on Si substrates, focusing on structural deformation induced by Bi. The work paves the way for developing high-performance optoelectronic nanodevices with superior electronic and optical functions.
Researchers at UNM's Department of Physics and Astronomy have discovered that decreasing the density of nanoparticles in ordered arrays produces exceptional electric field enhancements. By making particles smaller and farther apart, interactions between nanoparticles are strengthened, resulting in stronger collective responses.
A study led by UC San Diego researchers identifies the root cause of lithium metal battery failure as bits of lithium metal deposits that break off from the anode during discharging. These deposits get trapped in the solid electrolyte interphase (SEI) layer, lowering Coulombic efficiency and causing batteries to fail. The findings coul...
Researchers have developed amorphous/crystalline heterophase PdCu nanosheets with high chemoselectivity and catalytic activity. The phase transformation behavior of these nanosheets affects their properties, leading to improved catalysis in hydrogenation reactions.
Researchers from University of Pittsburgh's Swanson School of Engineering created a nanostructure glass that takes inspiration from the wings of the glasswing butterfly to create a new type of glass that is clear across a wide variety of wavelengths and angles, as well as antifogging.
Researchers at TU Dresden have created a method to free trapped photons in OLEDs, boosting efficiency by up to 76.3%. The technique uses reactive ion etching to generate controllable nanostructures that can be tailored for optimal outcoupling.
Scientists at the University of Jyväskylä create optimized holey nanostructures that significantly reduce heat conduction by over a hundredfold. The study's findings have potential applications in thermoelectric power conversion, cooling, and bolometric radiation detection.
Ice lithography offers advantages in efficient 3D nanofabrication, including processing non-flat surfaces and observing nanostructures under the ice resist. The technology has great potential for further research and development.
A team of researchers found that the unique nanostructure of deep-sea dragonfish teeth is responsible for their transparency. The findings provide insights into this adaptation and could lead to the development of new transparent ceramics.
Researchers at Aarhus University and Novo Nordisk have developed a novel method for connecting proteins to DNA structures, enabling the assembly of large multi-antibody-like nanostructures. This innovation has potential applications in enhancing traditional therapies and understanding biological mechanisms.
A study published in ACS Central Science found that many DNA cage nanostructures are not taken up by cells, but rather degraded by enzymes outside the cell. The researchers' findings have significant implications for the use of DNA strands as a tool for delivering therapeutic agents into diseased cells.
New materials that conduct electricity are of great interest to physicists and materials scientists. Researchers have discovered a type of semimetal, niobium arsenide, which has about three times the conductivity of copper at room temperature.
Researchers used X-ray scattering to analyze nanoporous carbons produced under different synthesis conditions, revealing optimal pore size and shape requirements for electrochemical performance.
A Northwestern University team has developed a direct route to optimize spherical nucleic acids (SNAs) using a library approach and machine learning. This new method reveals the importance of structural variables in SNA efficacy, enabling researchers to design more effective cancer treatments.
Cornell chemists found that pores in two-dimensional molecular building blocks fundamentally change van der Waals forces, altering nanostructure assembly. The study provides new insight into self-assembly and design of complex nanostructures with diverse functionalities.
Researchers have created bioinspired artificial compound eyes with improved visual properties, enabling better motion detection and light sensitivity. The innovative structure consists of tiny independent repeating visual receptors called ommatidia, grown on top of convex glass domes with antireflective and water-repellent nanostructures.
Researchers from Singapore University of Technology and Design have engineered a new inexpensive nanomaterial with exceptional performance in visible and infrared light interaction. The material can be used to improve solar cells and optically detect minute traces of biomolecules, offering potential industrial relevance.
A new method for treating and preventing acute kidney injury (AKI) has been developed using tiny, self-assembling forms of DNA origami nanostructures. These nanostructures were shown to protect the kidneys from harm as effectively as the leading drug therapy and alleviate symptoms of AKI.
Researchers at Arizona State University have developed a method to create complex knot-like nanostructures in single-stranded DNA, with crossing numbers ranging from 9 to 57. This breakthrough enables the design of molecular structures with specific functions and unprecedented complexity.
Researchers have developed a CdS-CdSxTe1-x-CdTe core-shell nanobelt photodetector with high sensitivity and fast speed, outperforming traditional nanostructures. The detector has a responsivity of 1520 A/W and a detection spectrum covering the entire visible range.
Researchers develop computational tool to automatically create 3D print templates for nanostructures that correspond to user-defined colors. The new design tool has several advantages over previous methods, including a free-form structure that allows for greater flexibility and possibilities for additional coloring effects.
A team of researchers at Aalto University demonstrates nanoscale all-optical logic circuits, providing a vital step towards true optical computing. The study enables simple addition and subtraction operations using light, similar to a pocket calculator.
Researchers at Purdue University have developed a low-cost process to form smooth metallic circuits at the nanoscale using roll-to-roll newspaper printing. This technique enables the creation of touch screens and biosensors with improved performance.
A novel separation technique using density gradient ultracentrifugation is introduced for colloidal nanostructures. The method demonstrates versatility in separating nanoparticles according to their unique properties.
Researchers developed a gentle buffer exchange method to remove free ions, enabling DNA origami stability at low-magnesium levels. This breakthrough paves the way for various biomedical uses, including drug and enzyme delivery.
Researchers at Lehigh University have developed a new technique called peak force scattering-type scanning near-field optical microscopy (PF-SNOM) that reveals the 3D shape of polariton interaction around nanostructures with improved spatial resolution. The technique enables direct sectioning of vertical near-field signals for both thr...
Researchers at Caltech create eye implant inspired by butterfly wings' nanostructures, reducing measurement error and biofouling. The implant's surface flexes to measure intra-eye pressure, providing accurate readings regardless of angle.
Researchers use DNA-PAINT technique to visualize individual strands in DNA origami nanostructures, revealing the robustness of assembly and incorporation efficiency of staple strands. The results show that variations in structure formation speed have little influence on overall quality, but some sites remain unoccupied.
A recent study published in Science Advances has analyzed the nanostructure of chicken eggshells to better understand their role in embryo development. The findings suggest that specific characteristics of the eggshell could be genetically selected to produce healthier, more robust eggs.
Researchers at McGill University have discovered a unique nanostructure in chicken eggshells that contributes to their strength and fragility. The findings, published in Science Advances, could lead to improved food safety by enabling the selection of genetic traits in laying hens that produce consistently stronger eggs.
The study explores the thermoelectric properties of nanometer-thick tin selenide crafted in thin films of connected 'nanoflakes', achieving a significant power factor improvement through doping with silver. This material has potential for miniaturized, environmentally friendly, low-cost thermoelectric and cooling devices.
Researchers at Harvard's Wyss Institute have developed a new method for creating three-dimensional nanostructures using DNA 'bricks' that can self-assemble into structures with unprecedented complexities. The technology allows for the creation of nanostructures with complex cavities and potential applications in medicine and engineering.
Researchers at Karlsruhe Institute of Technology have successfully transferred the nanostructures from the wings of black butterflies, which can absorb light over a wide spectrum and improve thin-film solar cell efficiency. The optimized nanostructures enhance light absorption by up to 200 percent.
Researchers have found a way to expand the printable color spectrum with a novel nanostructure system that broadens colors while maintaining high resolution. The new silicon nanostructures can print an art piece with a 121% expanded color gamut, higher color saturation and resolution.
Researchers found that flower petals with nanoscale ridges on their surface produce a 'blue halo' effect, which helps bees locate flowers. The irregularities in these nanostructures appear to be harnessed by evolution to aid floral communication.
Scientists at Fuzhou University have created a macroscopic aerogel from carbonitride nanomaterials that catalyzes the water-splitting reaction under visible-light irradiation. The material offers excellent structural and electronic properties, making it suitable for artificial photosynthesis.
Researchers at Northwestern University have developed a new method that combines design and nanomanufacturing to create optimal nanostructured surfaces for solar cells. The technique uses mathematical functions and machine learning to fabricate quasi-random structures, resulting in increased light absorption and improved efficiency.
A team from HZB and EMPA successfully realized direct electron beam writing of silver nanocrystals using Electron-Beam-Induced Deposition. This breakthrough enables the creation of complex features onto a substrate in a single step, promising applications in nano-optics and information technology.
Researchers developed a cost-effective method to produce biomimetic structural colors, overcoming previous limitations and enabling large-scale and flexible fabrication. The technique uses quasi-ordered scattering and can be fine-tuned by controlling synthesis conditions.
Researchers developed a new antireflection film using moth-eye-like nanostructures, exhibiting low reflection and excellent optical behavior. The film also shows improved scratch resistance and self-cleaning capabilities, making it suitable for flexible displays.
Biomedical researchers have developed a new method to visualize multiple molecular species simultaneously using self-folding DNA structures with digitally programmable optical properties. This approach overcomes the limitation of current microscopy techniques, enabling ultra-high definition imaging of complex samples.
Scientists have developed a new technique to date ancient meteorite strikes using tiny crystal fragments. By analyzing the atomic nanostructure of these crystals, researchers can determine the age of impact and gain insight into the beginnings of life on Earth.
Researchers at UCF have developed a new color changing surface tunable through electrical voltage, potentially leading to three times the resolution for televisions and smartphones. This breakthrough eliminates the need for static subpixels, allowing for reduced pixel size and increased brightness.
Scientists create programmable nanostructures using pH-sensitive DNA locks to control the optical properties of plasmonic metamolecules. This technology has potential applications in sensors, optical switches, and phase shifters with tailored functionalities.
Sharon C. Glotzer received the 2017 MRS Communications Lecture Award for her work on polymer-tethered nanoparticles. Her paper, published in MRS Communications, demonstrates the use of computational tools to design and assemble functional materials nanostructures.
Researchers discovered oxide nanostructures with diameters below 3nm display superior oxidation resistance than larger counterparts. The 'dynamic size effect' mechanism determines the stability of supported nanoparticles, enabling the development of anti-corrosion materials.
Researchers at Duke University have created a new method for printing conductive films using silver nanowire inks, eliminating the need for heat. The resulting printed electronics can be used in various applications such as solar cells, displays, and implantable bio-electronic devices.
A team of Korean researchers has developed a wobulation technique that enhances the resolution of flow-lithography produced nanostructures. By staggering UV patterns and reducing exposure time, they achieved higher-resolution frames without narrowing the field of view.
Scientists at Caltech have developed a method to combine deterministic and random processes for creating complex nanostructures out of DNA. By controlling the design of individual tiles and their interactions, they can produce emergent features with tunable statistical properties, including loop, maze, and tree structures.
Research led by Norwegian University of Science and Technology scientist Jon Otto Fossum created micrometer-thick gel structures in clay-based nanofluids that exhibit mechanical strength to prevent oil droplets from merging. These structures could improve oil recovery from reservoirs and potentially enhance food product shelf life.