Articles tagged with Nanotubes
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A hybrid material combining vanadium cluster and carbon nanotubes acts as a molecular switch toggling between oxygen and hydrogen production. The 'switch' is controlled by the arrangement of organic cations, which modulate the local electrochemical microenvironment.
Researchers have successfully grown the smallest stable carbon nanotubes, a breakthrough that could lead to advancements in nanoelectronics and cutting-edge technologies. The study uses rhodium-based catalysts to achieve a high yield of the (5, 4) nanotube, paving the way for future applications.
A new AI-enabled piezoelectric wearable device accurately measures joint torque using boron nitride nanotubes. The innovative design offers broad potential applications for joint health monitoring and rehabilitation outcomes.
The Carbon Hub brings together scientists, industry leaders, and policymakers to reimagine hydrocarbons as sources of clean hydrogen and advanced carbon materials. This process could address energy access, emissions, and unsustainable material usage, potentially avoiding gigatons of CO2.
Researchers at Penn State discovered that Zika virus builds tiny tunnels called tunneling nanotubes to transport material needed to infect nearby cells, including in placental cells. This allows the virus to cross the placental barrier without raising alarm in the immune system.
Researchers at Heidelberg University successfully produced nanotubes folded into cytoskeleton-like structures using the RNA origami technique. This breakthrough enables synthetic cells to manufacture their own building blocks, opening new perspectives on directed evolution.
Researchers developed chlorophyll-based structures with controlled hierarchical stacking, mimicking natural photosynthetic systems. The study demonstrates the potential for creating materials that surpass natural capabilities in efficiency and adaptability.
Researchers developed boron nitride nanotubes with spin qubits, more sensitive to off-axis magnetic fields than diamond tips. The technology has applications in quantum sensing, semiconductor industry, and nanoscale MRI.
Researchers at Okayama University have developed a novel method to produce carbon nanotube yarns with excess electrons that can harvest waste heat. The yarns achieved high thermoelectric power factors within temperatures ranging from 30 to 200 °C, making them suitable for practical applications such as fabric-based modules.
Researchers at Binghamton University have developed a new 3D printing technique that uses nanotubes to reinforce additively manufactured metals, making them stronger in corrosive environments. The technique has the potential to revolutionize the field of metal manufacturing and increase U.S. competitiveness.
Scientists are studying the replication mechanism of Zika virus and its ability to transmit from an infected mother to her unborn child. They aim to understand how the virus creates connections called tunneling nanotubes that allow it to replicate and infect cells.
A research team led by Professor Yang Yong found that severely oxidized metallic glass nanotubes can attain an ultrahigh recoverable elastic strain of up to 14% at room temperature. The discovery implies that oxidation in low-dimension metallic glass can result in unique properties for applications in sensors, medical devices, and othe...
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.
Researchers at CiQUS developed a novel cyclic peptide that forms nanotubes on demand when light-irradiated. This allows for precise control over the artificial cytoskeleton's structure and function.
Researchers found that Ebola virus creates tunneling nanotubes to transfer particles to new cells, evading treatments and spreading infection. The discovery suggests a new route of dissemination for the deadly virus.
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.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers have developed a method to encapsulate polyoxometalate molecules within carbon nanotubes, enhancing the electrochemical energy storage of materials. The study found that these hybrids exhibit improved electrochemical properties due to reduced aggregation and increased electron transfer.
Scientists have successfully created conditions for mechanical qubits by engineering anharmonicity close to the ground state. By cooling a nanotube device to near absolute zero, researchers demonstrated a new mechanism that boosts nonlinear effects in the system, paving the way for quantum computing.
Researchers have identified a new mechanism of communication between fat cells, opening up avenues for novel obesity treatments. The discovery centers on tunnelling nanotubes, which allow distant cells to communicate directly and transfer cargos.
Researchers have developed a new composite fabric that combines conventional aramid with carbon nanotubes and polyacrylate to create puncture-resistant materials. The new material outperforms existing fabrics in simulated stabbing tests and could be useful in military and civilian applications.
Researchers discovered nanoscopic tunnels that connect precursor cells in the cerebellum as they mature into neurons. These tunnels enable molecular exchange and physical migration of pre-neuronal cells across layers, shedding light on brain connectivity and development.
Researchers have developed a new detection method using carbon nanotubes to measure the duration of dopamine release in the brain. This allows for more robust detection and monitoring of neurotransmitters, which is crucial for understanding neurological disorders such as Parkinson's disease.
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.
TUS researchers develop novel method to create multi-walled CNT wiring on plastic films under ambient conditions, enabling flexible devices and energy conversion devices. The proposed method produces high-quality wires with varying resistance values.
Researchers at the University of Groningen have discovered the exact structure of polydopamine coatings, which could lead to new applications in surface adhesion and neurodegenerative disease treatment. The study found that these coatings form through auto-oxidation, crosslinking and isomerization processes.
Materials theorists Boris Yakobson and Ksenia Bets propose a method to control the growth of carbon nanotubes by constraining the carbon feedstock in a furnace. This approach allows for the production of batches with single desired chirality, which is essential for highly conductive applications. The researchers suggest etching away lo...
Researchers at Okayama University found that an acidic adsorption layer in carbon nanotubes facilitates efficient adsorption of negatively charged nitrate anions, making the aqueous solution alkaline. This study provides a novel model for designing carbon nanotubes suitable for ion adsorption and purification.
Researchers from Tokyo Metropolitan University used a surfactant to disperse boron nitride nanotubes and coat them onto surfaces without bundling. Heat treatment removed the surfactant, revealing clean nanoscale templates that can be used to grow coaxial nanotubes with exotic electronic properties.
Researchers at Johns Hopkins University have engineered microscopic pipes made of nanotubes that can transport molecules over long distances without leaking. The team successfully directed the flow of fluorescent molecules through the nanotubes, which could potentially be used to study diseases and understand how neurons interact with ...
The TU Wien team has created a catalyst that can convert CO2 and methane into synthesis gas without the formation of carbon nanotubes. This approach, called dry reforming, has the potential to convert climate-damaging greenhouse gases into valuable products.
SARS-CoV-2 uses nanotubes to infect neurons, bypassing the usual ACE2 receptor. The virus can spread rapidly through these nanotubes, contributing to its infectious capacity and neurological symptoms.
Researchers from the University of Arizona suggest that dying stars can forge carbon nanotubes in the envelopes of dust and gas surrounding them. This process involves the spontaneous formation of carbon nanotubes, which are highly structured rod-like molecules consisting of multiple layers of carbon sheets.
A flexible sensor embedded in a diaper measures multiple components in urine, sharing results over Bluetooth for fast bedside analyses. The technology has potential to provide quick and painless urinalysis for incontinent, elderly or infant patients.
Researchers have developed an unsolved problem in microelectronics by creating the world's smallest battery, which can power tiny sub-millimeter-scale computers for about ten hours. The Swiss-roll process enables on-chip batteries for dust-sized computers with high energy density and integrability.
Researchers propose that water molecules interact with electrons in the nanotube walls, slowing down flow. Theoretical findings could significantly impact proposed carbon nanotube applications, such as filtering salt from seawater or generating energy.
Researchers at Brigham and Women's Hospital discovered that cancer cells can disarmed the immune system by forming nanotubes that pull out mitochondria from immune cells. This new mechanism gives a target to go after, leading to potential new combinations of therapies for improving cancer immunotherapy outcomes.
Researchers developed carbon nanotube-based transistors that can maintain electrical properties and memory after being exposed to high levels of cosmic radiation. The transistors, especially double-shielded ones, showed promising results for future space exploration.
Researchers developed nanoscale insecticidal hair coating for prolonged anti-lice protection, reducing re-treatments and side effects. The coating, formed using halloysite nanotubes, retains its protective properties after washing the animal's hair.
Researchers at the University of Houston have developed an electrochemical actuator that utilizes organic semiconductor nanotubes, exhibiting high performance and tunable dynamics in liquid and gel-polymer electrolytes. The device demonstrates excellent stability, low power consumption, and fast response time.
Researchers have discovered a way to manipulate terahertz polarization using ultrathin, highly aligned carbon nanotube films. The phenomenon occurs at a specific angle, known as the 'magic angle,' and allows for precise control over light polarization.
Researchers develop novel nanocomposite with improved detoxification efficiency against various harmful chemicals, including organic compounds and microbes. The composite combines the high photoreactivity of titanium oxide nanotubes with the low cytotoxicity of graphene.
Researchers at Heidelberg University have created a new reaction pathway to enable the controlled creation of specific optically active defects in carbon nanotubes. These defects emit light in the near-infrared and show single-photon emission, paving the way for applications in quantum cryptography and biological imaging.
Scientists have developed a method to predict the specific colors of thin films made from combining any of the 466 varieties of single-walled carbon nanotubes. The research shows that the thinnest and most colorful tubes affect visible light more than those with larger diameters and faded colors.
Researchers at Aalto University have created a colour atlas for 466 unique varieties of single-walled carbon nanotubes, revealing their potential applications in electronics and solar panels. The study developed a quantitative model to predict the specific colors of thin films made by combining any of the 466 varieties.
Rice University scientists have discovered a novel phenomenon in carbon nanotubes, where a delayed secondary fluorescence is emitted when triggered by a multistep process involving dye molecules and dissolved oxygen. The delay, only microseconds long, can be detected with specialized instrumentation.
The study found that titanate nanotubes (TNTs) composites exhibit superior photocatalytic performance in generating hydrogen from formic acid, outperforming titanium dioxide (TiO2). The high surface area of TNTs enables improved adsorption and interaction with platinum, leading to enhanced selectivity and efficiency.
Researchers have developed a form of gold nanotubes that can target and kill mesothelioma cancer cells using light. The nanotubes are made in a two-step process and have physical properties that can be tailored for enhanced therapies.
Physicists discovered that individual light-harvesting nanotubes with disordered molecular structures transport light energy in the same way. The result is attributed to the linkage of molecules, which averages out small differences, resulting in similar optical properties.
Scientists have developed peptide-based nanotubes that can be used to create efficient energy harvesting systems. By controlling the alignment of the tubes and incorporating graphene oxide, they improved conductivity and increased current output.
Researchers have developed efficient photocatalysts that can clean surfaces, sterilize medical instruments, and purify water under visible radiation. The new catalysts use natural aluminosilicate nanotubes with cadmium sulfide quantum dots, showing promise for environmental applications.
Scientists at the CRCHUM found that pericytes use tunneling nanotubes to communicate with each other, regulating blood supply and maintaining vision. The study's findings suggest that damaged tunnelling nanotubes may contribute to neurodegenerative diseases like stroke, glaucoma, and Alzheimer's.
Researchers synthesized Nb2O5 nanotubes on carbon cloth via a simple hydrothermal process, achieving high reversible capacity of 175 mAh/g and energy density of 195 Wh/kg. The material shows good conductivity, reduced volume expansion, and flexible operation conditions.
A Kazan University research team has developed a novel nanoformulation using biocompatible halloysite nanotubes and bacterial pigment prodigiosin, which selectively disrupts cancer cells without harming healthy ones.
Researchers at MIT demonstrate the mass production of carbon nanotube field-effect transistors (CNFETs) using a commercial manufacturing facility. This breakthrough enables the creation of 3D microprocessors with unprecedented energy efficiency and performance, potentially surpassing silicon-based technology.
Researchers have discovered a new material that could lead to the creation of even smaller transistors, enabling faster computing and lower power consumption. The material, shaped like a one-dimensional DNA helix, is made from tellurium and can be encapsulated in nanotubes to build functional transistors.
Scientists at Michigan Technological University created nanowires made of tellurium and boron nitride nanotubes, which hold promise for wearable tech. The new material exhibits strong electrical properties and can be controlled by light and pressure.
Researchers successfully grow crystals of various materials onto the surface of carbon nanotubes, paving the way for unique properties in 1D vdWs. This breakthrough enables potential applications in flexible electronics, lasers, solar energy conversion, and more.
Researchers at Purdue University have developed ceramic nanotubes that behave as thermal antennas, controlling the spectrum and direction of high-temperature heat radiation in gas turbines. This allows for increased engine lifetime and performance.
Researchers at the University of Würzburg have developed two new spectroscopic methods to study energy transport on the nanoscale. By deciphering the behavior of double-walled nanotubes, they aim to improve artificial light-harvesting antennas and photovoltaics.