Sentences with phrase «through nanotube»

«Only four years ago did we measure for the first time any electronic transport through a nanotube,» Dekker notes.

Researchers say they hastened new cell production by sending electrical surges through the nanotubes, which are also excellent conductors of electricity.

He says the current is probably pulling the individual atoms along electrostatically, and that this may be how nanocrystals move through all nanotubes.

The external charges attract and trap electrons propagating through nanotubes.

[emphasis mine] Now the team has published a paper which suggests that electrical signals pass through the nanotubes and that a «gap junction» enables transmission to nonadjacent cells.

Not exact matches

Prior to founding Porifera, Dr. Bakajin was an accomplished scientist who performed pioneering work on fluid flow through carbon nanotubes, has co-authored 13 issued, and several pending patents as well as numerous publications that have been cited over 12,000 times.

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

Eventually each atom's outermost electron detaches and enters the nanotube through a process called quantum tunnelling.

Scientists envision implanting nanotubes through small incisions (in, say, a knee) that a patient's own cartilage cells would colonize.

The team also sent a large current through the circuit to burn out any useless metallic nanotubes and ensure that only semiconducting nanotubes were left behind (Nature, DOI: 10.1038 / nature12502).

Solid chips of metal about 20 nanometres across will slide through carbon nanotubes when an electric current is switched on.

But Sinisa Coh of the University of California, Berkeley, and colleagues saw something surprising when they used a high - resolution electron microscope to watch an iron crystal moving through a kinked nanotube.

The nanotubes enable incident light to be trapped and focused at the numerous contact points and crevices, allowing the Raman - scattered light to pass through.

By preserving the electrons and enhancing the light through the use of nanotube jungles, the team is able to significantly increase the SERS» detection sensitivities in CNTs structures.

«It turns out that this is not a showstopper, because we want the nanotubes to precipitate and stick to each other as soon as they exit the sealed system through the needle.

The nanotubes» polymer coating may also be chemically manipulated to bind specific bioparticles flowing through the forest.

With this method, they created a three - dimensional array of permeable carbon nanotubes within a microfluidic device, through which fluid can flow.

To do so, they flowed each solution through the channel and found they were able to create a more uniform coating with a gap between the top of the nanotube forest and the roof of the channel.

The single - walled carbon nanotubes in new fibers created at Rice line up like a fistful of uncooked spaghetti through a process designed by chemist Angel Martí and his colleagues.

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.

This discovery challenges a previously accepted view that metal carbides are needed to create nanotubes, through a process called chemical vapour deposition.

In Friedman's spintronic circuit design, electrons moving through carbon nanotubes — essentially tiny wires composed of carbon — create a magnetic field that affects the flow of current in a nearby graphene nanoribbon, providing cascaded logic gates that are not physically connected.

These results are interpreted in terms of single - electron charging and resonant tunneling through the quantized energy levels of the nanotubes composing the rope.

Under a strong electric field, the cathode emits tight, high - speed beams of electrons through its sharp nanotube tips — a phenomenon called field emission.

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

The custom - built assembly technique developed through this collaboration «gives us the ability to monitor the nanotubes as we're building them, and see their structure, robustness and morphology,» Cosa said.

It may prove a long time before expensive carbon nanotubes find a home in dirt to help boost the function of crops that take them up through their roots.

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.

Due to their exceptional properties, carbon nanotubes are expected to enhance the performance of current solar cells through efficient charge transport inside the device.

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

The team coated a silicon wafer with a layer of upright nanotubes, spaced 100 nanometres apart through a process called chemical vapour deposition.

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

The beam passes harmlessly through living tissue, but the nanotubes get so hot they roast nearly all of the cancer cells after one exposure.

Their findings — that nanotubes and vesicles are an important part of the communications process — show that the extracellular vesicles contribute to the complexity of African trypanosomiasis through the transfer of virulence factors between parasites and inadvertent interaction with host cells, which has a profound effect on disease, the study notes.

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.

«The cool thing about our results is that we found that when you squeeze water into the nanotube, protons move through that water even faster than through normal (bulk) water,» said Aleksandr Noy, an LLNL biophysicist and a lead author of the paper.

The work boosting the performance of lithium batteries with carbon nanotube electrodes was done at the Massachusetts Institute of Technology with initial support through a Dupont / M.