Sentences with phrase «nanotubes into»

By pulling from the edge of the nanotube «forest,» the team assembles bundles of hundreds of individual nanotubes into threads.

A simple way to turn carbon nanotubes into valuable graphene nanoribbons may be to grind them, according to research led by Rice University.

The next step, Chen said, is to build biomimetic membranes by incorporating natural membrane proteins or other synthetic water channels such as carbon nanotubes into these sheet matrices.

They mixed the nanotubes into a plasma of helium ions, which they then blasted through a nozzle and onto paper.

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.

Researchers at Umeå University in Sweden have discovered that controlled placement of the carbon nanotubes into nano - structures produces a huge boost in electronic performance.

In a recent study, researchers injected carbon nanotubes into kidney tumors in mice, and then directed a near - infrared laser at the tumors.

By mixing carbon nanotubes into chewed gum, researchers created a bendable, stretchable sensor that can track how fast a person breathes when worn over the neck.

The lab of co-author Dr. Robert Bast Jr., an expert in ovarian cancer and vice president for translational research at MD Anderson, inserted gel - bound carbon nanotubes into the ovaries of rodents to mimic the accumulations that are expected for nanotubes linked to special antibodies that recognize tumor cells.

They then grouped the nanotubes into a cylinder - shaped forest, measuring about 50 micrometers tall and 1 millimeter wide, and centered the array within a 3 millimeter - wide, 7 - millimeter long microfluidic channel.

Cary Baur, a doctoral student in Voit's lab, has figured out a way to incorporate organic nanostructures known as «buckyballs» and single - walled carbon nanotubes into PVDF fibers to double its piezoelectric performance.

The team integrated a three - dimensional array of carbon nanotubes into a microfluidic device by using chemical vapor deposition and photolithography to grow and pattern carbon nanotubes onto silicon wafers.

Put enough nanotubes into such a solution and they're caught between the repellant forces and an inability to move in a crowded environment, Martí said.

The researchers injected about 20 micrograms of single - walled carbon nanotubes into mice.

By the integration of smallest carbon nanotubes into a nanostructured waveguide, they have developed a compact miniaturized switching element that converts electric signals into clearly defined optical signals.

The team threw a dash of nanotubes into a liquid polymer resin and let it harden.

Recently, NASA scientist Chiu - Wing Lam spritzed carbon nanotubes into the lungs of mice and found that they caused granulomas, nodules that are symptoms of toxicity.

But scientists say they may one day be able to insert microscopic carbon nanotubes into injured joints — such as knees — encouraging new, stronger cartilage cells to grow in place damaged or thinning ones.

The Sloan Kettering group was having trouble delivering nanotubes into cells to create cancer diagnostics.

Not exact matches

After being tightly packed together, the nanotubes are woven into the back of the jacket and inside the front of the vest (which always stays buttoned).

Then you'll see the cost for nanotubes come down enough that they can be incorporated into everyday uses — perhaps tires, to increase durability.

That could overcome one of the biggest drawbacks of graphene and nanotubes, in terms of their ability to be woven into long fibers: their extreme slipperiness.

The nanotubes also quickly snapped back into position to deflect a second bullet that might hit the same spot.

But the materials fall short in a three - dimensional world due to the poor interlayer conductivity, as do two - step processes melding nanotubes and graphene into three dimensions.

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.

Raw nanotube material was purified in large batches, and the ropes were cut into 100 - to 300 - nanometer lengths.

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

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.

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 needs.

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.

Factories and laboratories producing nanoparticles and nanotubes should treat them as if they were hazardous and minimize their release into the environment.

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.

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.

One hundred times as strong as steel and able to conduct like either metals or semiconductors, carbon nanotubes have long been touted for uses as down to earth as lightweight fuel tanks and car bumpers and as fanciful as cables for elevators into space.

The carbon nanotubes integrated into the waveguide act as a small light source.

Such a gap allowed solutions to flow over, then down into the forest, coating each individual nanotube.

But coaxing individual nanotubes to wrap into fibers has proven challenging.

A process revealed last year by Martí and lead authors Chengmin Jiang, a graduate student, and Avishek Saha, a Rice alumnus, starts with negatively charging carbon nanotubes by infusing them with potassium, a metal, and turning them into a kind of salt known as a polyelectrolyte.

The tricky bit, according to Martí, whose lab reported its results this month in the journal ACS Nano, is keeping the densely packed nanotubes apart before they're drawn together into a fiber.

Earlier research at Rice by chemist and chemical engineer Matteo Pasquali, a co-author on the new paper, used an acid dissolution process to keep the nanotubes separated until they could be spun into fibers.

Carbon nanotubes extruded into a pure fiber are the product of an acid - free process invented at Rice University.

Sheets of graphene, one to a few atoms thick, and aligned, single - walled carbon nanotubes self - assemble into an interconnected prorous network that run the length of the fiber.

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.

Carbon nanotubes may be the key to shrinking down transistors and squeezing more computer power into less space.

Once these peptides find a bacterium, they nestle into its outer membrane, then shape - shift themselves into nanotubes, which act as spigots, draining the cell and killing it within minutes.

The same carbon nanotubes that make up the skeleton of the 1D battery can also accelerate the conversion of dissolved oxygen into hydroxide ions, a process that harms battery effectiveness if left uncontrolled but as a stand - alone process boasts therapeutic potential for treating cancer and bacterial infections.

Old plastic bags made into carbon nanotubes Instead of being burned, or converted into new ones, plastic bags can be «upcycled» into valuable...

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.

The resulting fibril - filled nanotubes can then be organized into two - dimensional structures through a series of DNA - DNA hybridization interactions.