Sentences with phrase «nanotubes grow»

«Carbon nanotubes grown in combustion flames.»

The material that we have developed utilises high - quality carbon nanotubes grown at a high density to allow electrical transport throughout the composite material.»

«Densest array of carbon nanotubes grown to date.»

Not exact matches

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 RPI team made the paper battery by first growing an array of carbon nanotubes on a silicon surface and then covering the array in dissolved cellulose (the main constituent of paper).

Researchers report in the Journal of Biomedical Materials Research Part A that they successfully grew cartilage around carbon nanotubes in their lab — and are optimistic that one day they will be able to duplicate the feat inside the human body.

Materials scientist Robert Haddon has demonstrated that the bone - forming mineral hydroxyapatite will grow around a nanotube scaffold, replacing the collagen fibrils that grow naturally.

As expected, cartilage cells grew around the nanotubes, which are so strong that scientists now use them to reinforce plastic.

After eight days, the plantings showed that purified single - walled nanotubes in water enhanced the germination rate and shoot growth of wheatgrass, which grew an average of 13 percent larger than plants in plain water.

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.

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.

When I was at Berkeley, Richard Smalley, a Rice University chemist, was learning how to grow large quantities of carbon nanotubes in his lab.

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.

The team used a plasma - enhanced chemical vapour deposition (PECVD) process to grow the carbon nanotubes, while optimizing the plasma growth conditions to produce MWCNTs with tips made of deployed graphene sheets.

Depending on how the CNTs grow, a fraction of these carbon nanotubes can end up behaving like metallic wires that always conduct electricity, instead of acting like semiconductors that can be switched off.

New research, published in the journal Scientific Reports, demonstrates that by growing nanomaterials, specifically carbon nanotubes, on the surface of the carbon fibres it is possible to impart these necessary properties.

Now a team from Cambridge University in England has devised a simple technique to increase the density of nanotube forests grown on conductive supports about five times over previous methods.

Robertson and his colleagues grew carbon nanotubes on a conductive copper surface that was coated with co-catalysts cobalt and molybdenum.

The sensors are built with carbon nanotubes and two - and three - dimensional, textile nanostructures grown at the University of Arkansas.

«In microelectronics, this approach to growing high - density carbon nanotube forests on conductors can potentially replace and outperform the current copper - based interconnects in a future generation of devices,» says Cambridge researcher Hisashi Sugime.

The researchers customized the anode by growing the iridium oxide nanotubes on a zinc oxide surface to create a more uniform surface area to better support chemical reactions.

But the IWM scientist Manuel Mee found a solution for protecting the fine carbon nanotubes, which grow like forests on a substrate: «During our first experiments, fused silica from the reaction chamber accidentally came into contact with the coating plasma.

Growing diamonds on nanotubes is a tricky proposition, because carbon tends to form graphite.

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.

But it works a little too well and quickly oxidizes — or burns — the growing nanotubes.

When Hata tuned his apparatus to add about 100 parts per million of water to hydrocarbons — the source of the carbon for the growing tubes — and other inert carrier gases, the water reacted with the amorphous carbon from the catalyst particles but didn't damage the growing nanotubes.

Today, most nanotubes are grown with the help of vanishingly small catalyst particles that help carbon atoms in a vapor develop into tiny tubes.

She has already demonstrated that bone cells grow more vigorously and adhere better to titanium coated with TiO2 nanotubes than to conventional titanium surfaces.

At the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL), research performed with collaborators from Princeton University and the Institute for Advanced Computational Science at the State University of New York at Stony Brook has shown how plasma causes exceptionally strong, microscopic structures known as carbon nanotubes to grow.

Understanding how carbon nanotubes (CNT) nucleate, grow and self - organize to form macroscale materials is critical...

«They grow in such a way that the carbon nanotubes arrange themselves perpendicular to the substrate, like a bamboo «forest» on a field, where each bamboo will be equivalent to a nanotube.»

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