Sentences with phrase «from nanotubes»

Abstract: Carbon nanotubes bound for electronics need to be as clean as possible to maximize their utility in next - generation nanoscale devices, and scientists at Rice and Swansea universities have found a way to remove contaminants from the nanotubes.

The near - infrared light that causes the nanotubes to fluoresce can penetrate about eight centimeters into human tissue, so physicians could potentially shine the light through skin and flesh to look for fluorescence from nanotubes signaling the presence of cancer cells.

If they found a way to coat with diamond the nanothreads that the CSIRO specialists make from nanotubes, these diamond - coated nanothreads could be used to manufacture ultra-thin saws capable of cutting through silicon wafers for instance.

Strong, lightweight materials made from nanotubes could protect aircraft and satellites from harmful electromagnetic interference

Because different types of tissue absorb emissions from the nanotubes differently, the scanner took readings from many locations to triangulate the tumor's exact location, as confirmed by later MRI scans.

They suspect the results spring from nanotubes» natural hydrophobic (water - avoiding) nature that in one experiment apparently facilitated the plants» enhanced uptake of water.

The researchers demonstrated how this could be applied by moving the nanofibre from the nanotube surface onto a set of electrodes to test its electrical properties.

Not exact matches

Woven from conductive thread built on microscopic carbon nanotube sheets, this fiber could one day help power human - sized electronic wearables and high - performance solar cells.

Ultracapacitors using nanotubes have gone on to be a success, notably through FastCap Systems, a firm founded by John Cooley, also from MIT.

Sung June Cho, a chemist at the Korean Institute of Energy Research in Taejon, suspected that the storage capabilities of nanotubes could result in part from their ability to conduct electrical charges, which may help hydrogen molecules adhere.

* Top Image: Adapted with permission from Elaboration of Nanostructured Biointerfaces with Tunable Degree of Coverage by Protein Nanotubes Using Electrophoretic Deposition

As the STM tip was moved along the length of the nanotubes, well - defined positions were found where the transport current changes abruptly from a graphitic - like response to one that is highly nonlinear and asymmetrical, including near - perfect rectification.

The cellulose forms a flexible sheet studded with embedded nanotubes that can be peeled away from the substrate.

Now, researchers at the Massachusetts Institute of Technology have discovered that highly charged single - walled carbon nanotubes (CNTs) coated with DNA and chitosan (a biomolecule derived from shrimp and other crustacean shells) are able to spontaneously penetrate into chloroplasts.

Single - wall fullerene nanotubes were converted from nearly endless, highly tangled ropes into short, open - ended pipes that behave as individual macromolecules.

Their suggestions include using a nanotechnology called «resistive memory» to keep electronics humming and using carbon nanotube shielding — originally made by NASA to shield spacecraft from radiation — for protection.

Using a method called immersed surface accumulation 3 - D printing (ISA - 3D printing), the research team successfully created the egg - beater microstructure in samples made from plastic and carbon nanotubes.

OSLO — In her long career as a physicist at the Massachusetts Institute of Technology (MIT) in Cambridge, Mildred «Millie» Dresselhaus, who is now 83, has researched the electronic structure of carbon in its myriad forms, from bulk graphite to nanotubes.

With colleagues, Baughman has developed a «thermocell» constructed from a carbon nanotube - based material that converts waste heat into electricity.

Alternatively, adding a catalyst turns them into carbon nanotubes, which have been used in everything from solar cells to biosensors.

Lieber fashioned a tip from a carbon nanotube and affixed at the end of it a molecular fragment called a carboxyl group.

So Banhart used a kind of substitute soldercreated on the spotto link two crossed nanotubes: he focused a narrow beam of electrons from a scanning electron microscope at the point where the tubes met, thereby converting contaminants on their surfaces into bridges made from graphite - like carbon that can conduct electricity.

«With carbon nanotubes, a path to flexible, low - cost sensors: Potential applications range from air - quality monitors to electronic skin.»

Sound from the carbon nanotubes is 260 times louder, because the nanotubes are better at converting electricity to heat, Kaili says.

And in 2006, researchers at Dresden Technical University, Germany, studied the swords with an electron microscope and discovered that their strength probably comes from carbon nanotubes and nanowires made from a mineral called cementite.

Electronics companies have been working for years to replace ITO with transparent conductors made from films of carbon nanotubes.

Ultimately, the researchers believe their device design — a combination of a carbon nanotube antenna and diode rectifier — could compete with conventional photovoltaic technologies for producing electricity from sunlight and other sources.

A close - up of a novel battery electrode made from chemically adorned carbon nanotubes.

Ultrathin films made from aligned carbon nanotubes (left) blare as loudly and clearly as conventional speakers.

The devices, made from transparent and flexible carbon nanotube films, don't require any of the bulky magnets and sound cones of conventional speakers.

One reason it's tricky to make and hook up nanowires, made of single - crystal silicon, or nanotubes, made of molecule - thick sheets of carbon, is that they are fragile and can easily break when transported from one substrate to another.

Concentrated heat can induce nanowires or nanotubes to sprout from a silicon chip.

The research team, which included Zhaolin Liu and colleagues from the A * STAR Institute of Materials Research and Engineering with colleagues from Nanyang Technological University and the National University of Singapore, combined nanometer - sized crystals of this material with sheets of carbon or carbon nanotubes.

Kotov is creating fabrics partially made from conductive carbon nanotubes (picture microscopic ziti made of rolled carbon atoms), which he expects could lead to garments that are essentially themselves electronic devices.

In a paper published in the journal Materials and Design, engineers from FSU's High - Performance Materials Institute, in collaboration with scientists from Institut National des Sciences Appliquées in Lyon, France, detail the impressive properties and cost - effective manufacturing process of an advanced series of motion sensors made using buckypaper — razor thin, flexible sheets of pure, exceptionally durable carbon nanotubes.

Researchers have dreamed of making fabrics from carbon nanotubes ever since the tiny all - carbon cylinders were discovered in 1991.

From a carbon nanotube, Dutch researchers have crafted a transistor that toggles on and off with the flow of a single electron.

«Scientists develop force sensor from carbon nanotubes.»

Carbon nanotube (CNT) membranes have a bright future in addressing the world's growing need to purify water from the sea, researchers say in a study published in the journal Desalination.

Researchers with Berkeley Lab and the University of California (UC) Berkeley have created tactile sensors from composite films of carbon nanotubes and silver nanoparticles similar to the highly sensitive whiskers of cats and rats.

A group of researchers from Russia, Belarus and Spain, including MIPT professor Yury Lozovik, have developed a microscopic force sensor based on carbon nanotubes.

At the annual meeting of the American Physical Society and in the 12 March issue of Physical Review Letters, Kociak and his colleagues at the French national research agency CNRS and the Russian Academy of Sciences in Chernogolovka showed that empty nanotubes can also carry electron pairs between nonsuperconducting electrodes (in this case, metal pads made from a sandwich of aluminum oxide, platinum, and gold).

«Wheat gets boost from purified nanotubes: Toxicity study shows plant growth enhanced by — but only by — purified nanotubes.»

Ropes, hundreds of nanometers in diameter, made of single - walled carbon nanotubes and containing smaller braided bundles, can be spun from a superacid solution containing dissolved carbon nanotubes.

They then attached strips of gold to both ends of each nanotube, creating a transistor, and linked up to three such devices in various ways to make circuits that would execute simple logical functions: flipping a signal from off to on or vice versa, turning two off signals into an on, storing a unit of information or creating an oscillating signal.

First tests with nanotubes and catalysts In order to test the improved technique, Vadim Migunov, together with his colleagues from the Ernst Ruska - Centre, examined an inorganic lanthanide nanotube using the new sensor.

Researchers at McGill University have developed a new, low - cost method to build DNA nanotubes block by block — a breakthrough that could help pave the way for scaffolds made from DNA strands to be used in applications such as optical and electronic devices or smart drug - delivery systems.

As she sets up her own lab, Casiraghi's focus will shift from DLC films to carbon nanotubes.

Using this process, the researchers grew stacks of flexible electronics up to three layers high, mixed and matched from silicon, the semiconductors gallium arsenide and gallium nitride, as well as carbon nanotubes, they reported in Science.

Single - walled carbon nanotubes (SWCNT) are just about the thinnest tubes that can be wrought from nature.