Sentences with phrase «nanotubes form»

«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.

Laid down in thin films, randomly oriented carbon nanotubes form conductive networks that can serve as electrodes; patterned and layered films can function as sensors or transistors.

Not exact matches

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

Carbon nanotubes seeded this clump of bone - forming mineral, a technique that could help heal broken bones.

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.

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.

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.

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.

Metal chips that slide back and forth inside carbon nanotubes could form the 1s and 0s needed to act as archival storage devices.

But the researchers found that if they seasoned the lithium carbonate with just the right metals, they could form more valuable carbon nanotubes instead.

In this latest effort, they used a carbon nanotube paste to form an electrically conductive network matrix with excellent bendability.

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.

To do so, they engineered a collection of 20 DNA double helices to form a nanotube big enough (15 to 20 nanometers — just over one - billionth of a meter — in diameter) to house the fibrils.

The dome's structure inspired an explanation of the architecture of human red blood cells, the discovery of fullerene molecules (which take the form of buckyballs and carbon nanotubes), and ways to process data for robotic vision.

The problem is that nanotubes exist in a form akin to a pile of soot, and no one knows how to fashion them into an extended rope, braid, cable or ribbon.

But in February a team of researchers found that bundles of carbon nanotubes doped with nitrogen form a more efficient and more compact catalyst.

Basic nanotubes are good for many things, like forming into microelectronic components or electrically conductive fibers and composites; for more sensitive uses like drug delivery and solar panels, they need to be as pristine as possible.

The reigning darling of nanotech, and researchers» favorite form of carbon for the past decade, has been the nanotube.

«Various forms of carbon, including nanotubes, are considered for hydrogen or other fuel storage because they have a huge internal surface area for the fuel molecules to stick to.

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

This won't be easy, because each individual carbon nanotube's conductive properties are dependent on how they are formed, Raffaelle says.

Nanocomp says it can produce nanotubes that are tens to hundreds of times as long, forming carbon yarns and sheets (yarns up to one kilometer in length, with a tensile strength better than steel, and sheets made in 18 - square - foot sections).

As it squeezes through the pores, the gas is forced into contact with the catalyst, and carbon nanotubes begin to form.

Nanotubes fuse to form vesicles in African trypanosomes, a parasite that causes African sleeping sickness.

The nanotubes, despite only making up a small fraction of the volume — less than 2 percent — can form a percolating, one - dimensional transport network, to provide pathways for the helium to leak back out instead of being trapped within the metal, where it could continue to do damage.

«Yes, the surface consists of nanotubes, but basically nanotubes are just a thicker form of the native oxide, which is the same as the white pigment that you find everywhere: in food, toothpaste, cosmetics, multivitamin and multimineral supplements, paints — all kinds of products,» she said.

For example, researchers use SCF processes to form nanoparticles or nanowires inside the tiny nanotubes.

These questions will be addressed by combining unbiased «omics» - approaches (i.e. genomics, transcriptomics, and proteomics) and a targeted genetic analysis with both superresolution live - cell imaging and electron microscopy of nanotube - forming cells.

In addition, SCFs are used to attach other chemicals to the carbon nanotubes to form the nanocomposites.

In this new process, the tiny, thread - like carbon nanotubes (CNTs) arrange themselves — almost like felting — to form a stable, tear - resistant layer.

As early as the 1960s, Dresselhaus led one of the very first groups that explored the carbon materials that form the basis for 2D graphene and 1D carbon nanotubes.

The nanoparticles were made of silica, but the researchers noted that in previous studies they used graphene and carbon nanotubes to form nanoparticle surfactants.

Nanophase Carbon Materials (carbon nanotubes, nanodiamond, nanocomposite]-- A form of matter in which small clusters of atoms form the building blocks of a larger structure.

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

The transport rates in these nanotube pores, which form one - dimensional water wires, also exceed those of biological channels and man - made proton conductors, making carbon nanotubes the fastest known proton conductor.

We have seen researchers look to counter this problem by using different electrolytes, reinforcing batteries with Kevlar and creating forests of 3D nanotubes that stop dendrites from forming.

Except this time the titanium dioxide arrives in the form of nanotubes about 135 nanometers wide and a tenth of a millimeter long.

Apple has previously been awarded patents for flexible screens and a foldable phone with «carbon nanotubes» that bend to form the center hinge.