Articles tagged with Nanorods
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A new study from Chalmers University of Technology presents a technology that can destroy bacteria on implants using gold nanorods and near-infrared light. The method heats up the gold rods, killing bacteria without damaging surrounding tissue.
Researchers designed a new supercapacitor that can store more energy through electrochemical phenomena, with increased capacitance when exposed to UV light. The device uses ZnO nanorods and liquid electrolyte, enabling fast-charging capabilities and opening doors for innovative applications in electronics.
Scientists embedded gold nanorods in hydrogels that can contract when exposed to light and expand again upon removal. This expansion and contraction mechanism allows for remotely controlled actuators with endless design possibilities.
Researchers from Pohang University of Science & Technology developed an economical and efficient water electrolysis catalyst using oblique angle deposition method and nickel. The catalyst resulted in a remarkable 55-fold improvement in hydrogen production efficiency compared to traditional thin film structures.
A KAIST research team developed an anti-icing film coating technology using gold nanoparticles and cellulose nanocrystals. The film can uniformly pattern gold nanorods in quadrants through simple evaporation, achieving enhanced plasmonic photothermal properties.
Researchers have developed a gold nanoparticle probe to detect porcine epidemic diarrhoea virus (PEDV), a devastating disease causing severe diarrhoea and high death rates. The new tool promises fast, affordable diagnosis on-site, critical for preventing future outbreaks and protecting the industry from economic losses.
A Brazilian team developed an electrochemical immunosensor to detect SARS-CoV-2 antibodies, achieving 88.7% sensitivity and 100% specificity in just five minutes. The device can be adapted for other diseases and has potential for monitoring seroconversion and seroprevalence.
A team of researchers at North Carolina State University has developed a technique to align gold nanorods using magnetic fields while maintaining their optical properties. The method involves coating the nanorods with iron oxide nanoparticles and controlling their alignment using a low-strength magnetic field.
Researchers at Rice University have developed a theory showing how manipulating quasiparticles could help improve chemical reactions. By applying electric fields, holes can be made to migrate across the surface of catalyst particles, activating neighboring sites and increasing the efficiency of the reaction.
A team of researchers developed a method combining electron microscopy and Gaussian process regression to measure atomic displacements more accurately, achieving precision of 0.2%. The technique was tested on gold nanostructures, revealing strain distributions varying by shape.
Osaka University researchers have developed an air-stable and highly active single-crystal cobalt phosphide nanorod catalyst for the reductive amination of carbonyl compounds. The catalyst overcomes limitations of conventional cobalt catalysts, retaining high activity after multiple uses.
The University of Technology Sydney led collaboration created a nanocrystal growth method that produces programmable atomic thin layers, arbitrary barcoded nanorods with morphology uniformity. The result is millions of different kinds of nanobarcodes for future nanoscale sensing applications.
Researchers have designed novel linear nanomotors powered by laser light, enabling controlled movement and reducing complexity. The technology uses localized surface plasmon resonance to produce directional scattering, allowing for precise navigation.
Scientists have successfully created controllable ultrastrong interaction between light and matter at ambient conditions, enabling new possibilities for fundamental physics research. The discovery allows researchers to study the limits of coupling and could lead to observable phenomena in future experiments.
A new type of electrochromic display has been developed using zinc-based materials, enabling transparent multicolour switching. The display exhibits reversible colour changes and maintains a semitransparent state with a colour overlay effect that broadens the colour palette.
Researchers discovered that gold nanorods can catalyze the degradation of organic micropollutants like bisphenol A and perfluorooctanoic acid. When exposed to sunlight, these nanorods produce free radicals that break down pollutants, making them a promising low-cost water purification method.
Researchers at UC Riverside developed a new film made of gold nanoparticles that can respond to any type of movement, enabling robots to mimic chameleons. The material's complex patterns can be displayed through programming, opening up various applications such as underwater exploration and authentication features.
Researchers developed a new plasmonic color-mixing approach using silver nanorods to create 2,456 unique colors with smooth transitions between hues and tones. This method has potential applications in new types of paint, electronic displays and anti-counterfeiting measures.
Researchers developed a regioselective magnetization strategy to create semiconducting heteronanorods with chiroptical activities. This approach enables tuning of chiroptical activity through electric and magnetic transition dipoles.
A new synthesis method has been developed for SnO2 nanorods, which are promising anode materials for lithium-ion batteries. The method involves a simple template-free hydrothermal process and produces high-quality SnO2 nanorods with excellent electrical properties.
Researchers designed and tested an experimental system that uses a near-infrared laser to actively heat two gold nanorod antennae to different temperatures, defying thermal diffusion. The team measured temperature differences as high as 20 degrees Celsius by analyzing scattered photons from green light.
Researchers at Rice University discovered that molecules on the surface of gold nanorods induce dipoles, scattering enough energy to dampen plasmon signals. This finding enhances catalysis applications and challenges previous explanations for signal loss via plasmon damping.
Rice University scientists have developed a method to produce valuable gold nanowires from short particles using vitamin C. The process, which is fully controllable and reversible, allows for the production of nanowires of any desired length, making them suitable for sensing, diagnostic, imaging, and therapeutic applications.
Researchers at FAU have developed a new method for measuring the length and diameter distribution of plasmonic gold nanorods in one single experiment. The method combines multi-wavelength absorption optics and analytical ultracentrifugation, allowing for accurate analysis of nanoparticles in dispersions.
Scientists have created a novel gas sensor based on vertically aligned WO3-CuO core-shell nanorod arrays, achieving ultrasensitivity to ammonia (NH3) gas. The hybrid sensor exhibits high gas response and short recovery times, making it suitable for detecting toxic gases.
Researchers at LMU and Würzburg have successfully demonstrated the complete splitting of water into hydrogen fuel and oxygen using an all-in-one catalytic system. The new system, which mimics biological photosynthesis, enables the efficient generation of oxygen while minimizing damage to the nanorods.
Aalto University researchers have successfully created a new Bose-Einstein condensate that doesn't require cooling to near absolute zero. The condensate is made up of light and electrons in motion in gold nanorods, allowing for faster information processing and potentially enabling the creation of extremely small and fast light sources.
Researchers from NC State University have found a simpler way to deposit magnetic iron oxide nanoparticles onto silica-coated gold nanorods, creating multifunctional nanoparticles with useful magnetic and optical properties. The new technique uses an approach called heteroaggregation, resulting in highly uniform nanoparticles that can ...
Scientists improve photothermal properties of bismuth sulfide nanorods by adding gold nanodots, increasing heat generation in tumor cells under near-infrared light irradiation. This leads to enhanced inhibition of tumor growth with no toxic side effects.
Researchers at USC Viterbi School of Engineering have developed a new type of microlaser that uses gold nanoparticles to improve frequency comb technology. This innovation enables the creation of smaller, more efficient systems for applications such as portable chemical spectroscopy and cybersecurity.
Researchers at Nagoya University have created a way to manipulate the domain structure of lead zirconate titanate films, a crucial step for future electronic and electro-mechanical devices. By controlling the switching of domains, they can potentially accelerate the development of next-generation technologies.
Researchers developed a titanium dioxide interlayer to boost the performance of photoanodes, increasing photocurrent by more than four times. The design combines nanostructure with chemical doping, promising improvements for green photocatalytic systems.
Researchers from Kyoto University developed a new method to transfer genes into cancer cells using gold nanorods coated with oleate and DOTAP. The nanorods are activated by near-infrared laser heat, inducing cell death in surrounding cancer cells.
Researchers at Georgia Institute of Technology have developed a new treatment that prevents cancer cells from migrating and spreading, known as metastasis. The treatment uses locally administered gold nanorods heated by a low-energy laser to target and destroy cancer cells' leg-like protrusions, effectively halting their migration.
Cancer diagnosis at early stages remains challenging, but dual modal imaging using MRI and optical imaging has been developed. Europium doped gadolinium oxide nanorods were synthesized to produce bright contrasts in both imaging modalities.
The study develops a process to grow very small nanorods with precise separation, allowing for specific patterns in devices like gas sensors. This method reduces fabrication costs and enables more precise gas detection.
Researchers developed dual-function nanorod LEDs that can emit, detect, and respond to light. These LEDs can be used in display arrays that adjust brightness based on ambient light conditions and recognize objects through touchless gestures or laser stylus input.
Researchers at Kumamoto University have developed highly sensitive gas sensors for detecting volatile organic compounds, with the ability to detect biomarkers in the parts-per-billion range. The sensors use anisotropically shaped SnO2 nanocrystals with precise control over particle size and pore distribution.
Rice University researchers have discovered a way to subtly change the interior structure of semi-hollow nanorods, altering their interaction with light. This method could form the basis of a nanoscale switch with enormous potential.
Scientists have created a new strategy for crafting one-dimensional nanorods from a wide range of precursor materials, offering precise control over diameter, length, and surface properties. The produced structures have potential applications in electronics, energy conversion, drug delivery, and cancer treatment.
The researchers have developed a new technique to apply precisely controlled silica coatings to quantum dot nanorods, saving time and preserving their optical properties. The approach enables the coating process to be completed in a day, up to 21 times faster than previous methods.
Researchers at PNNL discovered a phenomenon where carbon-rich nanorods spontaneously release water as humidity increases, exhibiting capillary condensation and solvent cavitation under solvo-phobic confinement. This discovery could lead to improved water purification and separation with low-energy applications.
Researchers at the University of Pennsylvania have developed a new material that can produce hydrogen from sunlight and biomass-derived compounds, a step closer to creating a sustainable and clean energy source. The material uses titania nanorods to control the chemical reaction, increasing hydrogen production rates.
A team of Stanford Bio-X scientists developed the first technique for viewing cells and tissues in 3 dimensions under the skin. The MOZART technique allows for real-time imaging of individual cells or molecules in a living animal, enabling doctors to monitor tumors and understand how cells break free from tumors.
Researchers at Kyoto University developed a technique using tiny gold rods to target pain receptors and activate TRPV1, leading to desensitization and pain relief. The gold nanorods have been shown to be more efficient than magnetic nanoparticles in heat generation and activating TRPV1 receptors.
Scientists have developed a photocatalytic material that captures solar energy to catalyze chemical reactions. The innovative 3D material achieves high yields with minimal recombination, opening up new possibilities for the pharmaceutical and chemical industries.
Gold nanorods are being investigated for use in biomedical applications due to their surface plasmon resonance, allowing them to absorb and scatter light. The improved method enables large-scale production and controlled shell thicknesses, paving the way for stable gold nanorods with chemically functionalized surfaces.
Berkeley researchers create nano-sized optical antenna that boosts spontaneous light emission by 115 times, enabling faster LED technology for microchips and alternative applications. The innovation has the potential to replace lasers for short-distance optical communications.
Researchers at Berkeley Lab have developed a novel method for creating symmetry-breaking optical metamaterials by using a feedback mechanism to self-assemble colloidal nanorods in solution. This breakthrough solves the problem of achieving large-scale symmetric breaking, allowing for new properties and applications.
A new method using gold nanoparticles and light can measure the stickiness of mucus, which can help doctors monitor and treat lung diseases such as cystic fibrosis and chronic obstructive pulmonary disease. The researchers found that this imaging method worked even when the mucus was sliding over a layer of cells.
A team of University of Pennsylvania researchers developed a technique to measure the electrical properties of nanoscale structures by passing them through tiny pores. By analyzing changes in ionic current, they found new ways to apply nanopore translocation to analyze objects at the smallest scale.
The Rice University lab has developed an RGB color display technology using aluminum nanorods, creating vivid red, blue and green hues comparable to high-definition LCD displays. The technology uses plasmonic aluminum nanorods in ordered arrays to produce dozens of colors, including rich tones.
Zubarev's team is refining methods to produce more gold nanorods using ascorbic acid, with potential applications in medical diagnostics and photothermal therapy. The NSF grant extension will support further research into processing and incorporating nanorods into metamaterials.
Researchers at UC Riverside have developed liquid crystals that can be controlled by an external magnetic field, enabling novel display applications and anti-counterfeit technology. The discovery paves the way for remote operation without electrodes or expensive materials.
Researchers develop a new strategy to kill bladder cancer cells by attaching gold nanorods to EGFR proteins, which are overexpressed on these cells. The application of low-intensity laser heat the nanorods, killing the cancer cells without harming healthy tissue.
Researchers have developed a color-changing food deterioration tag that can determine if perishable products are still active or fresh. The tag changes color to indicate the quality of the product, ranging from fresh to spoiled, and can be customized for various foods and beverages.
Researchers at Rice University measured the speed and efficiency of excited 'hot' electrons drawn from gold nanoparticles into a sheet of graphene. They found that graphene accelerated damping of plasmons, shortening its lifetime, and calculated the electrons' transfer time.
Researchers discovered a novel solid-state reaction that lets kesterite grains grow within seconds and at low temperatures. This process can produce near-micrometer-sized crystal grains suitable for thin film solar cells.
Researchers create hybrid materials with nanorods to replicate biological tissue regeneration processes, sensing damage and regrowing components. The team aims to develop complex materials with multiple functions through future optimizations.
Researchers at NC State University have developed a technique to produce large quantities of gold nanorods while controlling their dimensions and optical properties. This allows for the creation of nanorods with tailored aspect ratios, essential for various biomedical applications.