How To Use Nanotube In A Sentence
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The light-emitting carbon nanotubes represent the first electrically controlled single-molecule light emitter ever constructed.
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The field emission properties of hafnium coated carbon nanotubes ( CNTs ) were investigated.
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If this technology was implemented in a fuel cell vehicle, it would cost about $200, as opposed to using carbon nanotube tanks (which cost about $5.5 million) or metal hydrides (which cost about $30,000).
Chicken Feathers May Fuel Hydrogen Cars in the Future | Inhabitat
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Among the approaches being developed today are nanotubes, nanowires and nanocomposites for batteries.
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Their proposed design combines an organic photoactive molecule, azobenzene, with the ever-popular carbon nanotube.
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The thesis conducted an elementary study on carbon - nanotube - planer - display technique.
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Two different continuum electrostatic models are formulated to describe the ion solvation inside the nanotube.
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Which in this case, researchers reasoned, resulted in the orderly molecular structure of the nanotubes.
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Many materials scientists predict that the tiny, hollow cylinders of carbon atoms known as carbon nanotubes will eventually lead to a new generation of supersmall transistors.
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Discovered in 1991 by Japanese scientist Sumio Iijima, carbon nanotubes are cylindrical carbon molecules that are very similar in structure to a fullerene, or buckyball, but instead of being a sphere, the nanotube is tubular in shape.
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The sensor is based on carbon nanotubes wrapped in a polymer that is sensitive to glucose concentrations.
‘Nano-Tattoos’ Will Allow Diabetics to Monitor Their Blood Sugar | Impact Lab
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The two main contenders are hypersonic ramjets or scramjets and nanotube-based space elevators.
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The idea is for injected "nanotube" particles to be carried to tumours in the bloodstream.
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The research showed that the forked nanotubes amplify current, a necessary property for transistors.
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The film will contain nanoscale pieces of semiconductor material and single-walled carbon nanotubes to maximize energy conversion.
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The nanotube is the smallest tube on earth and we have found a sleeve to put over it,
PhysOrg.com - latest science and technology news stories
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These nanotube devices could be suspended in a solution and used for photocatalytic solar hydrogen production.
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Stable yet flexible, a carbon nanotube conducts heat very efficiently and has a large surface area.
The Scientist
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As a new member of fullerene, carbon nanotubes has exhibit perfect optical limiting property.
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Carbon nanotube field emission display (CNT-FED) is a new type of flat panel display, it has drawn tremendous interest from flat display field.
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A nanotube is essentially a sheet of graphite rolled into a cylinder forming a single molecule.
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The aligned nanotube thin films are substantially strong, and chemically inertial with their onset field low and the emission current strong.
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The resulting porphyrin nanotubes have ‘interesting electronic and optical properties such as an intense resonance light scattering ability and photocatalytic activity.’
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What this means is that metallic carbon nanotubes can be separated from semiconducting carbon nanotubes, and the latter can be sorted by diameter.
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In the 28 January print issue of PRL, researchers calculate that a group of concentric nanotubes nested inside an outer set of tubes can slide back and forth a billion times every second.
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The mixture of nanotubes created in Tour's lab includes both semiconducting nanotubes and conducting nanotubes.
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US researchers have demonstrated a form of nanotube archival memory that can store a memory bit for a billion years, and has a theoretical trillion bits/square inch density.
Tew's Day!
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Based on scanning electron microscope images of the failed nanotube films, we attribute the ultimate failure to agglomerates in the film (point defects that act as stress concentrators).
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Our group has recently discovered that carbon nanotube dispersions applied in very thin layers form highly transparent conductive films.
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More recent trickery with carbon nanotubes really caught my attention, and then last week came the dual announcements of easily extrudable nanotube ribbons and diamond-nanotube composites with very interesting properties.
Making Materials Fun | Impact Lab
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Carbon nanotubes emerged from research into the all-carbon soccerball-shaped molecules known as the fullerenes.
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When nanotubes were placed inside cells and radiated by the laser beam, the cells were quickly destroyed by the heat.
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Nanotubes are microscopic tubes constructed from carbon rings which can be used to build logic circuits.
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The electronic properties of a carbon nanotube, for example, depend on its chirality, which, in turn, depends on the direction in which the graphene sheet has been rolled up to form the nanotube.
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He also noted that nanotubes may be used as replacements for conventional electrical connectors made of metal wires in ever smaller integrated circuits.
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According to their calculations, placing azobenzene on carbon nanotubes will stabilize both the ground and higher energy states.
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Nanotube bio - technology has become the frontier and hot issue in nano - technology.
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The two main contenders are hypersonic ramjets or scramjets and nanotube-based space elevators.
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Using this method the researchers have deposited platinum outside the nanotube and grown a nanowire of gold inside the tube.
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Applied as very thin films, they create a fabric of nanotube ropes that can conduct electricity in circuits.
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Nanotubes are hollow cylinders of pure carbon that are just one atom thick.
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An added advantage, Stoddart notes, is that carbon nanotubes are much more chemically compatible with organic switching molecules, such as catenanes, than more conventional metallic electrodes are.
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For several years, the research team has been using fluorination as a chemical step toward creating designer nanotubes.
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Past carbon nanotube transistors were typically constructed atop silicon composites common in the electronics industry.
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Carbon nanotubes are rolled up sheets of graphene just a few nanometres in diameter that can behave as either metals or semiconductors depending on their atomic arrangement.
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The grids comprise carbon nanotubes - long, hollow cylinders of pure carbon a few millionths of a millimetre across and several thousand nanometres long.
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Sandia National Laboratories researchers have successfully designed and demonstrated key features of a hydrogen storage system for GM Sandia researchers construct carbon nanotube device that can detect colors of the rainbow Jumbo 'nanotube' existence confirmed at Sandia/LANL nanotech center
Nano Tech Wire
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Depiction of sunlight-driven photocatalytic carbon dioxide conversion to hydrocarbon fuels using nitrogen-doped titania nanotube arrays surface-loaded with Cu and / or Pt cocatalyst nanoparticles.
Green Car Congress
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Related work to purify semiconducting nanotubes and remove graphitic contamination is also being carried out.
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When they mixed small amounts of carbon nanotubes and epoxies (glue-like materials) with crushed rock that has the same composition and grain size as lunar dust, they discovered to their surprise that they had created a very strong material with the consistency of concrete.
Why the Moon? Here's Why. - NASA Watch
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‘When glucose encounters the enzyme, hydrogen peroxide is produced, which quickly reacts with the ferricyanide to modulate the electronic structure and optical characteristics of the nanotube,’ Strano said.
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Researchers say these nanotube - DNA sensors could monitor cellular activity over long periods of time.
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Their proposal combines carbon nanotubes with a well known photoactive chemical, azobenzene, to store solar energy at high densities.
Ars Technica
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For a while, researchers have been looking at using carbon nanotubes as semiconductors, crisscrossing them in a netlike pattern.
Material World: Carbon Nanotubes Net Make Bendable Circuits
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The attachment of proteins, for example, might allow novel biological experiments aimed at modelling complex protein assemblies and examining the effects of spatial organization, whereas molecular electronic or plasmonic circuits might be created by attaching nanowires, carbon nanotubes or gold nanoparticles.
Genetic Engineering's Next Challenge: The Smiley Face
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Indeed, the electron microscopy pictures of the transversal cuts show this last organization and demonstrate the embodiment of the nanotubes.
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Two different continuum electrostatic models are formulated to describe the ion solvation inside the nanotube.
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Common spectroscopic techniques are poor at seeing tubes bigger than two nanometers in diameter - or most of the nanotubes in the CVD "supergrowth" process.
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The result is a sooty deposit on one of the electrodes that contains columns filled with nanotubes.
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The results show a dislocation of the nanotube indicative of a possible disassembly process that may influence the channel conduction.
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Past carbon nanotube transistors were typically constructed atop silicon composites common in the electronics industry.
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What Sarah Palin knows about scientific processes and methods would fit in a a nanotube.
Palin calls for Obama to boycott climate change conference
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The study on the carbon nanotubes lattice dynamics can supply information about tube structure and chirality.
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Once considered blue-sky research, the field has produced such milestones as carbon nanotubes a few hundred millionths of an inch thick that function as the world's tiniest transistors.
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In this paper, we research overheated carbon source application for carbon nanotube growth.
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The grids comprise carbon nanotubes - long, hollow cylinders of pure carbon a few millionths of a millimetre across and several thousand nanometres long.
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Recently, researchers have shown that Dielectrophoresis (DEP) is an efficient technique to manipulate carbon nanotubes.
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They say the result could explain why graphite lubricant - a spray of randomly oriented flakes - works so well, and why carbon nanotubes nested inside each other spin unexpectedly freely.
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The molecules are similar to their better-known cousins, carbon nanotubes.
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One way the new nanotubes can be customized is by using them as scaffolding for other materials.
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Kolpak and Grossman managed to find the right balance between ΔH and activation energy when they examined computational models of azobenzene (azo) bound to carbon nanotubes (CNT) in azo/CNT nanostructures.
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Nanotube antennae hugely increase the number of photons that can be captured.
Times, Sunday Times
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OLEDS are far superior in brightness and in their compact nature. the holy grail is to make them last more than a few thousand hours. there is also a lot of hope for carbon nanotubes. — dave kliman
Jumping on the L.E.D. Bandwagon - Bits Blog - NYTimes.com
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Silicon Valley is experimenting with silicon nanowires and carbon nanotubes, two structures that could eventually replace standard transistors on chips.
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Carbon nanotube arrays can also be grown in intricate patterns using metal masks.
The World’s Longest Carbon Nanotube | Impact Lab
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In the next stage, robotic climbers would ascend the ribbon, epoxying additional carbon-nanotube ribbons to the mother line as the robots shimmy spaceward.
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To better study the structure and thermodynamics of ion solvation in nanotubes, we focus exclusively on the solvation of a solitary ion inside the channel.
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They have also proposed a method for separating the metallic from the semiconducting nanotubes using the intrinsic magnetic properties of the nanotubes themselves.
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Using a method for assessing the premiums that companies pay for insurance, a team of scientists and insurance experts have concluded that the manufacturing processes for five, near-market nanomaterials -- including quantum dots, carbon nanotubes and buckyballs -- present fewer risks to the environment than some common industrial processes like oil refining.
Songs to Go With the News
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A carbon nanotube is a single molecule that's about 500 times narrower than the silicon used in today's processor and is about 10 atoms across.
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Other uses include applications in nanoscale electronics, where the nanotubes can be used as conducting or insulating materials.
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They can control precisely where the nanotube penetrates a cell, for example, and een pinpoint smaller cell structures, such as the nucleus or mitochondrion .
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Carbon nanotubes are cylinders made from rings of carbon atoms that would be used as the channel between where the power enters and flows out of a transistor.
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Watson Research Center, built the world's first logic circuit out of a single long carbon molecule called a nanotube.
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Ferritin catalyst particle scale is only several nanometers, which is advantageous for single - walled carbon nanotube growth.
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One of the surfactants we're using, sodium cholate, has a molecular structure that's similar to a nanotube -- basically hexagons put together," he said.
PhysOrg.com - latest science and technology news stories
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Structural relatives to fullerenes, carbon nanotubes have been the object of theoretical work for the past few years.
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We work with a completely new transistor concept, in which a carbon nanotube or a single organic molecule takes the place of the traditional semi-conductor transistor.
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In everyday terms, the charge in the batteries containing carbon nanotubes lasts longer.
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The reaction to attach them to carbon nanotubes involves a ring-closure between atoms in the ‘anchor’ and two carbon atoms of the nanotube.
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Carbon nanotubes are molecular-scale tubes usually made of a carbon allotrope.
Original Signal - Transmitting Gadgets
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The gap between nanotube and its silicon oxide substrate thermally insulates the nanotube, meaning heat builds up in the structure rather than dissipating.
Undefined
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We think there's a match between the sodium cholate and the structure of nanotubes, and it binds just a little bit better to an armchair than it does to zigzags.
PhysOrg.com - latest science and technology news stories
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The nanotube is the smallest tube on earth and we have found a sleeve to put over it," says Papadimitrakopoulos, whose discovery is featured in the March 6 issue of
The Foresight Institute
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In his project, called The Creation of an Elastic Integrated Circuit for Applications in Medicine, Tom designed a tensiometer to measure tissue tension, based on a novel multi-walled carbon nanotube elastomer.
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Nanotubes are stronger than metal because the chemical bond holding them together is stronger.
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Faradaic current of the order of a sub-picoampere was detected during nano-oxidation using a carbon nanotube probe.
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But carbon nanotubes and graphene also enable some completely new applications -- such as nanotube-based transparent conductors for the display industry and nanotube-enhanced supercapacitors for the coming "smart" electricity grid.
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The interactions of the lipid molecules with the nanotube may be classified as hydrophobic and hydrogen-bondlike.
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This, in fact, is direct evidence supporting the model of amyloids as waterfilled nanotubes.
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These developable surfaces can be explained either by the curvature of long and rather flexible nanotubes or by short nanotubes.
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To make fibers up to tens of microns across, scientists must align hundreds of the nanotubes into bundles.
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Carbon nanotubes, unmodified (pristine) and modified through charged atoms, were simulated in water, and their water conduction rates determined.
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We plan to do additional work to improve the quality of carbon nanotube dispersion and use more ductile binder resins.
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About two-thirds of nanotubes are semiconductors, and the remaining third are metals.
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Porous adonic aluminum oxide templates are widely used to fabricate nanowires or nanotubes of many materials.
