Removing excess carbon dioxide from the atmosphere would cool the planet, but complexities of the carbon cycle limit its effectiveness. A long-term commitment spanning decades or centuries is required to keep atmospheric carbon dioxide concentrations low.
A team of researchers at Boston College has developed a biosensor using carbon nanotubes that can detect minute amounts of proteins with high sensitivity. The sensor can distinguish between different varieties of the same protein and could potentially be used to diagnose diseases such as human papillomavirus.
Researchers at NIST have developed a technique using atomic force microscopy to study subsurface conditions in nanostructured composite materials. The method, which uses electrostatic forces, allows for the mapping of electric potential distribution and quantification of carbon nanotube concentrations.
Researchers at MIT developed a new electrode material using carbon nanotubes, showing a significant increase in power capacity and stability. The material enables high-power outputs with good conductivity and efficient lithium storage.
Researchers at Duke University have created copper nanowires that are both transparent and conductive, making them ideal for flexible displays and thin-film solar cells. These nanowires are cheaper than silver nanowires and outperform carbon nanotubes, offering a promising solution to the limitations of ITO.
Researcher Gary Seidel aims to develop tiny sensor patches with carbon nanotubes for structural health monitoring of huge wind turbine blades. The patches can detect deformation and send signals to the control center to prevent damage.
Researchers at Rice University have discovered thin films of nanotubes created with ink-jet printers can be used to make field-effect transistors. The technique allows for the creation of digital electronics on flexible substrates, with potential applications in raincoats and other devices.
Scientists at Rice University have made a breakthrough in creating highly purified samples of carbon nanotube species using ultracentrifugation, a technique that can help enable the development of efficient nationwide electrical grids and critical applications in medicine and electronics.
By studying fossil plant remains, scientists can gain insights into past temperatures and environmental conditions. The researchers found that water availability and plant type significantly impact the exchange of carbon isotopes between plants and the atmosphere.
Researchers found that microbes become less efficient in converting carbon into CO2, leading to decreased carbon dioxide emissions from soils. As warmer temperatures persist, microbes decrease in number and eventually result in fewer emissions.
Researchers found that microbes become less efficient at converting carbon in soil into atmospheric CO2 as global temperatures rise, leading to reduced emissions. The study suggests that microbial efficiency decline may mitigate climate warming effects.
Researchers at Yale University found that carbon nanotubes cause T cell antigens to cluster in high concentrations, stimulating the body's natural immune response. This breakthrough could improve current adoptive immunotherapy for cancer treatment by increasing T cell proliferation.
A team of researchers identified a human enzyme, myeloperoxidase, that can break down carbon nanotubes, reducing their unhealthful effects. The study also found that neutrophils can be directed to attack specific nanotubes, opening the door to novel drug delivery and natural biodegradation.
Researchers have discovered that an enzyme found in white blood cells can break down carbon nanotubes into harmless components. This breakthrough finding has significant implications for the future use of carbon nanotubes in medicine, potentially rendering them harmless and reducing toxicity.
Researchers found that single-walled carbon nanotube coatings can develop irreversible changes when bent, reducing conductivity. They suggest ways to engineer the films to minimize these effects and achieve deformability.
Researchers at McGill University have developed DNA nanotubes that can encapsulate and release materials, such as drugs. These nanotubes could potentially be used to deliver targeted treatments for diseases like cancer.
Researchers at MIT have discovered a new phenomenon that causes powerful waves of energy to shoot through carbon nanotubes, enabling the production of electricity. The discovery has led to the creation of a system that produces energy about 100 times greater than an equivalent weight of lithium-ion battery.
Researchers used single-walled carbon nanotubes to study phase transition behavior of argon and krypton atoms. They found that the nanotube's electrical resistance changed when krypton atoms stuck to the surface, and demonstrated sensitivity to individual atom landings.
A Rice University researcher has found a way to transfer forests of aligned carbon nanotubes from one surface to another in minutes. The technique uses water vapor to weaken chemical bonds between the tubes and the catalyst particles, allowing for precise control over the diameter of the nanotubes
Researchers have grown virtual Persian carpets of boron nitride nanotubes (BNNTs) on substrates made from simple catalysts, achieving perfect quality. The new technique enables precise control over nanotube growth, opening up possibilities for high-powered electronics and water-repellent surfaces.
A strip of paper infused with carbon nanotubes can quickly and inexpensively detect microcystin-LR, a chemical compound produced by cyanobacteria, found in nutrient-rich waters. The biosensor works by measuring the electrical conductivity of the nanotubes in the paper, changing their conductivity when the toxin is present.
Researchers at Arizona State University use single-walled carbon nanotubes to accelerate DNA sequencing, detecting sharp spikes in electrical activity during DNA translocation. The technique has potential to speed up sequencing by thousands of times while reducing costs.
Researchers at NASA's Langley Research Center and the Department of Energy's Thomas Jefferson National Accelerator Facility developed a new technique to synthesize high-quality boron-nitride nanotubes, opening doors for various applications. The first practical macroscopic yarns were created using lasers, with potential uses in radiati...
A team of NIST researchers has created a nanotube-antibody combination to detect and destroy aggressive HER2 breast cancer cells, with nearly 100% eradication rates in laboratory tests. The technique uses near-infrared laser light to target and incinerate the cancer cells.
Artificially introducing defects in nanotubes can enhance the development of supercapacitors, which combine the advantages of batteries and electrostatic capacitors. The researchers found that defects create additional charge sites, increasing stored charge capacity and power density.
Researchers used DNA origami to create molecular breadboards, solving the challenge of organizing carbon nanotubes into nanoscale electronic circuits. The innovative technique exploits DNA's sequence-recognition properties and stickiness to 'stick' carbon nanotubes onto its surface.
Clemson University is part of a five-year, $3 million Air Force Office of Scientific Research award to explore carbon nanotube-based superconductors. The team aims to develop composite wires that can replace inefficient copper wiring in power lines.
Researchers at Rice University have made a breakthrough in industrial-scale nanotube processing, creating a method to produce pure carbon-nanotube fibers that could lead to advances in materials science and nanoelectronics. The process uses chlorosulfonic acid as a solvent, enabling the efficient production of high-quality nanotubes.
A study by North Carolina State University found that inhaling carbon nanotubes affects the outer lining of the lungs, causing a unique health response. The effects were short-lived, with the immune response and fibrosis disappearing within three months.
Researchers have discovered that carbon nanotubes can accelerate seed germination and increase seedling weight, suggesting potential benefits for agriculture and biofuel production. The study's findings could lead to improved crop yields and more efficient biomass production.
Researchers have developed a method to control the formation of carbon nanotubes, which can be used as semiconductors or metals. The breakthrough could lead to more powerful, compact and energy-efficient computers and ultra-thin electronic circuits.
Researchers at the University of Michigan have developed brain implants coated with conducting polymer nanotubes, which can record neural signals better than conventional metal electrodes. The new implants may eventually lead to more effective treatment of neurological disorders like Parkinson's disease and paralysis.
Researchers at Case Western Reserve University have developed a method to control the structure and function of single-walled carbon nanotubes. By varying the composition of a metal catalyst, they can produce semiconducting nanotubes with desired properties, opening up new possibilities for applications such as medicine delivery and en...
Researchers have discovered different friction forces when carbon nanotubes slide along their axis versus perpendicular to it, which could provide a new tool for assembling nanotubes into devices. The findings also offer insight into fundamental friction issues and potentially be used to sort nanotubes according to their chirality.
A new biosensor developed by researchers at Rovira i Virgili University can detect extremely low levels of Salmonella typhi, the bacteria that causes typhoid fever, immediately and reliably. The technique uses carbon nanotubes and synthetic DNA fragments to activate an electric signal when they link up with the pathogen.
Current international strategies overlook the role of inland waters in carbon cycling, but a new study highlights their disproportionate impact. The study suggests that rivers and lakes can alter the fate of terrestrial carbon, leading to significant changes in global carbon budgets.
Brown University researchers have discovered that yttrium and nickel, two metal catalysts used to form carbon nanotubes, interfere with critical signaling transactions in neurons. Removing these metals can lead to the development of safe treatments for neurodegenerative diseases such as epilepsy, Parkinson's disease, and paralysis.
Researchers at Wake Forest University School of Medicine have developed DNA-coated nanotubes that can selectively target and kill cancer cells in mice. The treatment uses near-infrared radiation to heat the nanotubes, causing cell death while leaving surrounding tissue unharmed.
Researchers at MIT have successfully grown carbon nanotubes without a metal catalyst, using zirconium oxide instead, which could improve electronic performance and material strength
Researchers have discovered a way to effectively kill kidney tumors in nearly 80 percent of mice by injecting man-made nanotubes into the tumors and heating them with a laser. The study found that the higher the quantity of nanotubes injected, the longer the mice lived and the less tumor regrowth was seen.
Rice University chemist Bob Hauge's team creates bundles of SWNTs using a novel printing process, yielding a high yield of nanotubes. The process could lead to large-scale production of meter-long strands of nanotubes.
The study provides the first experimental evidence of how individual carbon atoms are added to growing nanotubes. The rotation proceeds in discrete steps, resembling the halting motion of a mechanical clock's second hand, with approximately 24 steps per rotation.
Researchers have developed a novel biosensor using carbon nanotubes and aptamers to detect Salmonella typhi bacteria at concentrations as low as one bacterium in 5 mL. The technique enables fast, simple, and precise detection of micro-organisms.
A DuPont-Lehigh University team has developed a DNA-based method to sort and separate specific types of carbon nanotubes (CNTs) from a mixture. The new method utilizes tailored DNA sequences that can recognize individual types of CNTs and purify them with sufficient yield for fundamental studies and application development.
New research reveals that permafrost in the Arctic contains over 1.5 trillion tons of frozen carbon, exceeding previous estimates by a factor of two. Thawing of this carbon can lead to massive releases of greenhouse gases, further exacerbating climate change.
Researchers at MIT developed a new thermal material that naturally dissipates heat from devices using a hierarchical branched network similar to cell protein networks. This design effectively prevents device failure and melting, enabling the creation of reliable nanodevices.
University of Houston researchers have developed highly conductive nanocomposites using polycarbonate and carbon nanotubes, improving the integrity of electronics in aircraft, computers, and iPhones. The findings could lead to antistatic coatings and electromagnetic interference shields, increasing device lifespan and efficiency.
Scientists successfully capture a single electron in a highly tunable carbon nanotube double quantum dot using ultraclean nanotubes. They also discovered a new type of tunneling analogous to Klein paradox, allowing electrons to pass through obstacles without sufficient energy.
A new nanotube-coated power measurement device has been developed at NIST, enabling faster and more accurate calibration of high-power laser systems. The device uses a sprayed-on coating of carbon nanotubes to conduct heat hundreds of times better than conventional materials.
Researchers at Sandia National Laboratories have created a device that can detect the entire visible spectrum of light using carbon nanotubes. The device uses chromophores and single-walled carbon nanotubes to trigger nerve impulses, enabling detection of colors of the rainbow.
A research team found that potassium ions strongly bound to the surface of titania nanotubes improve their performance in solar cells producing hydrogen gas from water. By controlling potassium deposition, engineers can achieve significant energy savings.
Researchers at Stanford University have developed a new method to produce mass quantities of graphene nanoribbons, which are essential for electronics applications. The technique uses plasma etching to slice open carbon nanotubes, creating uniform ribbons with smooth edges.
Scientists at Rice University have found a way to produce ultrathin, electrically conductive nanoribbons using a room-temperature chemical process. These ribbons are made from graphene, the single-layer form of graphite, and exhibit remarkable strength and conductivity.
Researchers at Lehigh University have developed a new cooling method for carbon nanotube electronics by utilizing nonconventional radiation in a near-field zone, dissipating heat into the substrate. The method increases effective thermal conductance over the interface between nanotubes and polar substrates.
Researchers have found that underground water is a major sink for carbon dioxide in gas fields, storing it safely for millions of years. This breakthrough could improve the accuracy of computer models used for carbon capture and storage, a crucial approach to reducing atmospheric carbon dioxide levels.
Researchers at Rensselaer Polytechnic Institute have discovered that incorporating treated carbon nanotubes into epoxy composites can significantly improve toughness and crack resistance. The study found a five-fold reduction in crack growth rate when subjected to repetitive stress.
Researchers at University at Buffalo found that single-walled carbon nanotubes do not experience electromigration and thermomigration like metals, producing significantly less heat. This property makes carbon nanotubes ideal for future electronic devices, including electric cars and sophisticated naval systems.
Researchers at Rice University and the University of Oulu discovered that carbon nanotube brush contacts can significantly reduce resistance in electrical commutators, leading to improved performance and reduced energy loss. The study found a 10-fold decrease in resistance compared to traditional copper-carbon composite brushes.
Scientists at the University of Cincinnati have discovered new uses for spun carbon nanotube fibers, which exhibit high tensile strength and conductivity. The team found that these fibers can be used to create lightweight and efficient antennas for wireless communication, with potential applications in aerospace industries.
Researchers at the University of Connecticut have discovered a way to increase the luminescence efficiency of single-walled carbon nanotubes, which could lead to breakthroughs in medical imaging and biological sensors. By wrapping a chemical 'sleeve' around the nanotube, they were able to reduce exterior defects and enhance its ability...