Sentences with word «nanotube»

A nanotube is a tiny, cylindrical structure made of atoms. It is extremely small and thin, like a microscopic tube. Nanotubes have unique properties that make them useful in various fields, such as electronics and materials science. Full definition
Professor Ravi Silva, Director of the ATI and Head of the Nanoelectronics Centre (NEC) at the University of Surrey said: «In the future, carbon nanotube modified carbon fibre composites could lead to exciting possibilities such as energy harvesting and storage structures with self - healing capabilities.
Layers of nanotubes in between the fibreglass and steel of the skis spread out incoming energy, dampening the shakes and helping the skiers maintain their speed and stability.
Ying Zhou and Reiko Azumi from Japan's National Institute of Advanced Industrial Science and Technology reviewed the latest research on the use of carbon nanotubes in manufacturing an important component of optoelectronic devices called transparent conductive films (TCFs).
Decorating and Filling of Multi-Walled Carbon Nanotubes with TiO2 Nanoparticles via Wet Chemical Method
Researchers say they have developed a new chemical process to produce large amounts of carbon nanotubes with relative ease.
They demonstrated their technique by printing a layer of carbon nanotubes on paper.
The researchers injected about 20 micrograms of single - walled carbon nanotubes into mice.
To learn more about Hongjie Dai's research, see «Carbon Nanotubes as Multifunctional Biological Transporters and Near - Infrared Agents for Selective Cancer Cell Destruction,» Nadine Wong Shi Kam et al. in Proceedings of the National Academy of Sciences, Vol.
During the 1990s, several scientists speculated that a space elevator ribbon could be made from nanotubes, but «it was just an idea mentioned in passing,» says Edwards.
They discovered that by adding ionic liquid — a kind of liquid salt — they can modify the optical transparency of single - walled carbon nanotube films in a controlled pattern.
University of Oregon chemists have devised a way to see the internal structures of electronic waves trapped in carbon nanotubes by external electrostatic charges.
Nanotechnology promises to revolutionize water purification and treatment through nanotube membranes for water desalination, and nanomaterials to eliminate germs from water.
Typical lithium - ion batteries use separate materials for conducting electrons and binding active materials, but NREL's approach uses carbon nanotubes for both functions.
«Carbon nanotube arrays could actually be a platform that could target that size of bioparticle.»
Daniel Branton and his colleagues placed single - walled carbon nanotubes onto a silicon wafer, cooled it to about -163 °C and sprayed it with water, causing an 80 - nanometre - thick layer of ice to form.
He uses modeling to map how nanotubes grow into particular types of forests before attempting to test their resulting properties.
New nanotube surface promises dental implants that heal faster and fight infection.»
Bond and her collaborators are using metal - coated nanotubes bunched together like a jungle canopy to amplify the signals of both the incident and Raman scattered light by exciting local electron plasmons.
The next application could make for a noisier world: Chinese researchers have found a way to make flexible, paper - thin loudspeakers out of nanotube sheets.
Then, one day on an airplane, Schindall read an article «about a technique... being used in a different field to grow vertically aligned nanotubes on a flat substrate,» he recalls.
Shokuhfar's team, in collaboration with Alexander Yarin, a professor in UIC's Department of Mechanical and Industrial Engineering, loaded TiO2 nanotubes with the anti-inflammatory drug sodium naproxen and demonstrated that it could be released gradually after implant surgery.
In the June 30 Science, IBM researchers report a carbon - nanotube transistor with an overall width of 40 nanometers — the smallest ever.
The result was a highly porous carbon nanotube electrode with lots of oxygens exposed on the surface, ready to bind with lithium.
The mechanical flexibility of single - walled carbon nanotubes also should allow them to be incorporated into emerging applications such as flexible electronics and wearable electronics, he said.
For years, scientists have been experimenting with carbon nanotube devices as a successor to silicon devices, as silicon could soon meet its physical limit in delivering increasingly smaller, faster and cheaper electronic devices.
In the new research, LLNL researchers used carbon nanotube pores to line up water molecules into perfect one - dimensional chains and showed that they allow proton transport rates to approach the ultimate limits for the Grotthuss transport mechanism.
«Single - photon emitter has promise for quantum info - processing: Carbon nanotubes form first known tunable room - temperature quantum emitters at telecom wavelengths.»
Barron said engineers who use nanotube fibers or films in devices currently modify the material through doping or other means to get the conductive properties they require.
She investigated and helped explain the fundamental interactions between electrons and phonons in nanostructures, and by the year 2000 was able to isolate the Raman spectra from individual nanotubes.
The new devices have luminescence systems that function more like cathode ray tubes, with carbon nanotubes acting as cathodes, and a phosphor screen in a vacuum cavity acting as the anode.
The diameter of carbon nanotube yarn is similar to the diameter of a typical spider - silk thread, Lepró confirmed.
A hat tip to Kurzweil Accelerating Intelligence for describing how scientists from Tohoku University in Japan had combined carbon nanotube field emitters with a solution of indium oxide and tin oxide to produce a very efficient planar light source.
But when touched, the pressure squishes the pillars, pushing the conductive nanotubes together to make a continuous electrical path and allowing current to flow.
Experiments conducted in Maschmann's lab will help scientists understand the process and ultimately help control it, allowing engineers to create nanotube forests with desired mechanical, thermal and electrical properties.
For this study, the researchers used the technique to pinpoint small concentrations of nanotubes inside rodents.
This top - down approach to making graphene is quite different from previous works by Tour's lab, which pioneered the small - scale manufacture of the atom - thick material from common carbon sources, even Girl Scout cookies, and learned to split multiwalled nanotubes into useful graphene nanoribbons.
The researchers first made multiwalled carbon nanotubes between 40 and 200 nanometers in diameter and up to 30 microns long.
Thomas Webster, an associate engineering professor at Brown University, and Brown researcher Dongwoo Khang, along with Grace Park, a research scientist (and one of Webster's former PhD students) at Becton, Dickinson and Company, a Franklin Lakes, N.J. — medical technology firm, say they grew cartilage cells by placing chondrocytes (cartilage - forming cells) and carbon nanotubes together on a polycarbonate urethane surface.
And carbon nanotube membranes come with other perks, Das added, including self - cleaning properties.
Expanding on that work, the Texas group created sheets of nanotubes so thin that an acre of the material weighs just a quarter of a pound.
«The advantage of this approach is that we can map how different synthesis parameters, such as temperature and catalyst particle size, influence how nanotubes form while simultaneously testing the resulting CNT forests for how they will behave in one comprehensive simulation,» Maschmann said.
«High purity carbon nanotube thin films not only have the potential to make inroads into current applications but also accelerate the development of emerging technologies such as organic light - emitting diodes and organic photovoltaic devices.
A few nanoscale adjustments may be all that is required to make graphene - nanotube junctions excel at transferring heat, according to Rice University scientists.
The scientists synthesized the sponges by a chemical vapor deposition (CVD) process during which the CNTs (multi-walled nanotubes with diameters in the range of 30 to 50nm and lengths of tens to hundreds of micrometers,) self - assembled into a porous, interconnected, three - dimensional framework.
A single carbon nanotube about two billionths of a meter wide can compete with the best materials of today at detecting ammonia and nitrous oxide, a gas often found in automobile emissions.
They probably won't all pan out, but if nanotubes fulfill just a few of these predictions, they'll be worth the buzz.
While he has mostly learned what does not work, he filed for a patent on a so - called nanotube detangler in May, and a second patent for a CNT growth technology that he keeps under wraps.
The carbon nanotubes absorb pulsed laser light, and this absorption leads to an ultrasound wave via the photoacoustic effect.
«The results are quite remarkable and will lead to much follow - up,» says Hongjie Dai, a chemist and nanotube expert at Stanford University.

Phrases with «nanotube»

a b c d e f g h i j k l m n o p q r s t u v w x y z