Sentences with phrase «nanowires as»

The authors of the Angewandte Chemie study, Liangfang Zhang and Joseph Wang from the University of California San Diego, and their colleagues now propose ultrasound - propelled gold nanowires as an active transport / release vehicle for the Cas9 - sgRNA complex over the membrane.

The Majorana arrangement gives the two electrons some extra room to maneuver and allows them to traverse the nanowire as a quantized pair — that is, exactly two at a time.

Surprisingly, this phenomenon does not depend on the diameter of the nanowire as long as d < 500nm.

Not exact matches

But in 2013, a research scientist in El - Naggar's laboratory, Sahand Pirbadian, discovered that these projections, referred to as «nanowires,» were actually extensions of the cell membrane covered in cytochromes — proteins containing iron that facilitate electron transport.

Whereas the fine nanowires initially crystallise in a hexagonal, so - called wurtzite structure, this behaviour changes after some time and the wires adopt a cubic zinc blende structure as they continue to grow.

This change is of relevance to applications, as the structure and shape of the nanowires considerably affect the properties of the resulting material.

The nanowires collect sunlight, much like the light - absorbing layer on a solar panel, and the bacteria use the energy from that sunlight to carry out chemical reactions that turn carbon dioxide into a liquid fuel such as isopropanol.

«We demonstrate that other asymmetric materials, such as asymmetric nanowires, thin films, and quantum dots of a single material can also be high - performance thermal rectifiers, as long as you have lateral confinement,» Ruan said.

The image, captured by a scanning electron microscope, was taken as the nanowires grew on silicon at room temperature.

The gold strips act as gates: A voltage applied to them stops or starts the flow of electrons through the main nanowire with an unprecedented combination of speed and precision.

As it turned out, other research groups had shown that some bacteria can transfer electrons via conductive pili, tiny hairs extending far beyond a bacterium's body that can act as nanowireAs it turned out, other research groups had shown that some bacteria can transfer electrons via conductive pili, tiny hairs extending far beyond a bacterium's body that can act as nanowireas nanowires.

The new approach uses yarns, made from nanowires of the element niobium, as the electrodes in tiny supercapacitors (which are essentially pairs of electrically conducting fibers with an insulator between).

In this new work, he and his colleagues have shown that desirable characteristics for such devices, such as high power density, are not unique to carbon - based nanoparticles, and that niobium nanowire yarn is a promising an alternative.

An electric current can do the trick; as an electron crosses a domain wall and feels its own magnetic pointing, or spin, flipped from one orientation to the other, it forces an atom within the nanowire to flip magnetic orientations as well to compensate.

That latter characterization is certainly true of racetrack memory, a proposed scheme in which data bits, encoded as magnetized regions on nanowires, move back and forth along the nanowire «racetrack» and past read / write heads.

Moreover, the resulting hierarchically assembled nanowires (C - GeNWs) show enhanced chemical and thermal stability, as well as outstanding electrochemical properties.

«Magnetic nanowires: Domain walls as new information storage medium.»

Small magnetic domain wall structures in nanowires can be used to store information and, for example, can be used as angle sensors.

Scientists now report in ACS Applied Nano Materials a hybrid material consisting of imitation pearl combined with silver nanowires that works as a heater, with the added benefit of high flexibility, suggesting a potential role in wearable devices.

The composite material showed excellent heating properties, producing heat as electric current was passed through the silver nanowires, even when bent repeatedly or when rolled up into a tube.

The magnetization in the branches can be oriented in two different directions along the nanowire axis, where each direction would serve as the «0» and «1» necessary for data storage and processing.

It will help advance the development of nanoscale biosensors and ultratiny lenses that can bend light inside future optical chips as well as the fabrication of nanowires that could be used to build more advanced computer chips, researchers report in Nature Nanotechnology.

One group at Lund University in Sweden has been able to kick - start the spontaneous growth of «forests» of 1000 - nm - high «nanowire trees», using 50 - nm - wide clusters of gold as a catalyst, and a gallium phosphide substrate.

Just as spikes ripple down the branching tendrils of a neuron, pulses of electricity cascaded like flash floods through the chip's transistors and nanowires.

M.I.T. breeds viruses that coat themselves in selected substances, then self - assemble into such devices as liquid crystals, nanowires and electrodes

As they do, the nanowire contorts, lengthening by 90 per cent and swelling to two - and - a-half times its former volume.

In the time - lapse video above, taken as the battery is charged by electrons pumping into the tin oxide, lithium ions can be seen streaming though the hollow nanowire to pair with the electrons.

Also, it is used as nanowires in electrical measurement technology.

The germanium nanowires produced by this method have superior electronic properties compared to silicon and can be used as high - capacity anode material for lithium - ion batteries, but the nanowires were previously too expensive and difficult to produce.

The IBM team fabricated single crystal nanostructures, such as nanowires, nanostructures containing constrictions, and cross junctions, as well as 3 - D stacked nanowires, made with so - called III - V materials.

It is covered with bendy nanowires tipped with lectin — a protein that binds to carbohydrates such as the sugars bacteria have on their surface.

The UMass Amherst teams knew from previous studies that Geobacter grow electrically conductive filaments known as microbial nanowires, which can transport electrons outside the cell to make electrical connections with minerals, electrodes or other cells.

Gallium nitride nanowires, however, don't experience the same sort of crystal strain, so scientists hope to use them as tunable, broad - spectrum light sources.

An inserted organic material works as a spacer layer to control the energy transfer from the nanowire into the metal.

They found that the nanowires should generate a magnetic field as an electrical current passes through the atoms, just as larger conductive coils, known as solenoids, do.

The results are customized proteins that might block the flu virus, or tweak immune system functioning, or serve as building blocks for nanowires and cages.

Kaveh - Baghbadorani has been exploring the development of hybrid metal / organic semiconductor nanowires that work as an energy pump to compensate for energy losses in the metal coating.

Scientists refer to this style of experiment as tunneling spectroscopy because electrons are taking a quantum route through the nanowire to the other side.

Robinson, J.T., Jorgolli, M., Shalek, A.K., Yoon, M.H., Gertner, R.S., and Park, H., «Vertical Nanowire Electrode Arrays as a Scalable Platform for Intracellular Interfacing to Neuronal Circuits,» Nature Nanotech.

Using the SPM tip as a movable gate, they can tune few - electron quantum dots formed in GaAs and an InAs nanowires.

The things that we have demonstrated — such as the fact that the vertical nanowires can deliver any biological effector to any cell type in a spatially selected fashion — have drawn interest from many different people, and we have been working with stem cell institutes and others to demonstrate the unique utility of this particular platform.

With our chip, which can electrically as well as chemically interface with neurons, we can individually address individual nanowires or nanowire bundles that are penetrating the cells so that we can record from individual cells.

Resume: Transparent conducting oxides such as Sn doped In2O3 nanowires (NWs) have been investigated in the past since they are important building blocks for the realization of novel electronic and optoelectronic devices like solar cells, but In is rare and expensive [1].

For this new battery, the researchers used nanowires, which are highly conductive and have a large surface area, making them great at holding charge as electrodes.

«For example, the morphology of the nanowire array protects the bacteria like Easter eggs buried in tall grass so that these usually - oxygen sensitive organisms can survive in environmental carbon - dioxide sources such as flue gases.»

«We were able to uniformly populate our nanowire array with S. ovata using buffered brackish water with trace vitamins as the only organic component.»

''... researchers have created assemblies of nanowires that show potential in applications such as armor, flame - retardant fabric, bacteria filters, oil cracking, controlled drug release, decomposition of pollutants and chemical warfare agents.»