Sentences with phrase «nanotubes with»

Decorating and Filling of Multi-Walled Carbon Nanotubes with TiO2 Nanoparticles via Wet Chemical Method

«We found that carbon nanotubes with diameters smaller than a nanometer bear a key structural feature that enables enhanced transport.

They chose it for its ability to yield nanotubes with multiple walls.

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 «theranostic» nanoparticle that combines Bhatia's nanosensors or Belcher's nanotubes with Hammond's gobstopper could simultaneously diagnose and treat cancer.

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.

The nozzle firing a jet of carbon nanotubes with helium plasma off and on.

The models showed that thinner carbon nanotubes with a relatively high concentration of nitrogen would perform best, as oxygen atoms readily bond to the carbon atom nearest the nitrogen.

The curve of the nanotube provides a way to tune the nanotubes» binding energy, according to the researchers, who determined that «ultrathin» nanotubes with a radius between 7 and 10 angstroms would be ideal.

To solve the problem, chemists had been coating the nanotubes with various substances, but doing so often altered the tubes» physical and electrical properties, thus limiting their utility.

The researchers coat the nanotubes with a fuel called trinitramine and ignite it with a laser or an electric spark.

The hair - width fibers can be woven into thicker cables, and the team is investigating ways to improve their electrical properties through doping the nanotubes with iodide.

To test this idea, the researchers applied an established technique to treat the surface of the nanotubes with antibodies that bind to prostate specific antigen (PSA), a common experimental target.

So Shao - Horn and her colleagues decorated the outer surfaces of their nanotubes with two different types of oxygen - containing chemical groups that gave them opposite charges.

Researchers say they have developed a new chemical process to produce large amounts of carbon nanotubes with relative ease.

Huaichen Zhang, Silvia V. Nedea and colleagues wanted to investigate how mixing carbon nanotubes with sugar alcohols might affect their energy storage properties.

The platform builds the fibrils by combining the properties of the nanotube with a synthetic peptide fragment that is placed inside the cylinder.

Not exact matches

The business is trying out a different sort of flexible display material — carbon nanotube technology that can be applied to special surfaces with an inkjet machine.

Eight Strategic Investors Including Dell and Cisco Investments Signal Nantero's Strong Support WOBURN, MA — April 5, 2018 — Nantero Inc., the nanotechnology company developing nextgeneration memory using carbon nanotubes, today announced that it has expanded product development with a wide range of new and existing customers.

He had been studying carbon nanotubes while in India and seized the opportunity to work with graphene pioneers Geim and Novoselov.

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.

The spherical gold nanoparticles can be replaced with more complex shaped nanomaterials — such as hollow nanoparticles, nanorods, or nanotubes — to render a better absorption of near - infrared light to penetrate biological tissues.

Carbon nanomaterials such as fullerenes, nanotubes, and graphene have outstanding physical properties associated with their low dimensionality and graphite - like chemical bonding.

Twisted in one way, a nanotube behaves like a metallic wire, freely conducting electricity, while one with a slightly different twist behaves like a semiconductor — it can switch between being an insulator and a conductor.

Rafiee is developing a way to line a hydrogen vehicle's fuel tank with a one - atom - thick layer of graphene, essentially a sheet of single - walled carbon nanotubes that have been opened up and laid flat, so that the tank can better store and release hydrogen.

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

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

Leaves infiltrated with carbon nanotubes (orange) are imaged with a single particle microscope that monitors their near infrared fluorescence (bottom).

Researchers say they may soon be able to repair injured and worn - out cartilage with the help of nanotubes.

The researchers worked on the nanometer scale — one billionth of a meter — with carbon nanotubes.

His major concern: that carbon nanotubes may not be biologically compatible with existing cartilage tissue in the joint.

These results are consistent with the idea that semiconducting carbon nanotubes are able to expand the light capture by plant materials to other parts of the solar spectrum such as the green, near infrared and ultraviolet.

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.

Daniel Branton and his colleagues placed 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.

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

Their findings showed that with one exception, heat transfer within a mixture decreased as the nanotube diameter decreased.

The researchers analyzed what happened when carbon nanotubes of varying sizes were mixed with two types of sugar alcohols — erythritol and xylitol, both naturally occurring compounds in foods.

With the one - step process, the material can be made very long, or into a tube with a wider or narrower diameter, and the density of nanotubes can be varied to produce materials with differing properties for different neWith the one - step process, the material can be made very long, or into a tube with a wider or narrower diameter, and the density of nanotubes can be varied to produce materials with differing properties for different newith a wider or narrower diameter, and the density of nanotubes can be varied to produce materials with differing properties for different newith differing properties for different needs.

In early testing, a three - dimensional (3D) fiber - like supercapacitor made with the uninterrupted fibers of carbon nanotubes and graphene matched or bettered — by a factor of four — the reported record - high capacities for this type of device.

The angle I've been devoting my efforts to is a new kind of conducting cable made of what are called armchair quantum wires: single - walled carbon nanotubes [buckytubes] with a particular structure.

The group twisted carbon nanotube fibers into a yarn, then coated one piece of yarn with zinc to form an anode, and another with magnesium oxide to form a cathode.

Scientists funded by the NSF are working to synthesize, characterize and functionalize boron nitride nanotubes and boron nitride nanoribbons to create new electronic and optical materials with tunable properties.

By coating the wings of a Blue Morpho butterfly with carbon nanotubes that magnify the effect, researchers there made an insect into a sensor that changes color when its temperature changes a mere 1 / 25th of a degree.

All can be made with carbon nanotubes, sprayed like ink onto flexible plastic sheets or other substrates.

So Cola, NSF Graduate Research Fellow Erik Anderson and Research Engineer Thomas Bougher replaced the calcium with aluminum and tried a variety of oxide materials on the carbon nanotubes before settling on a bilayer material composed of alumina (Al2O3) and hafnium dioxide (HfO2).

The result was a highly porous carbon nanotube electrode with lots of oxygens exposed on the surface, ready to bind with lithium.

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

For converting heat to electricity, the principle is the same as for light — capturing oscillations in a field with the broadband carbon nanotube antenna.

The team coated flexible strands of silicon rubber with a mix of long chains of carbon atoms, called carbon nanotubes, and tiny bunches of silver molecules, called silver nanoparticles.

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.