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.
Not exact matches
A team of researchers at UCI had been experimenting with
nanowires for potential use in batteries, but found that over time the thin, fragile wires would break down and crack after too many charging cycles.
«We found out that the growth of the
nanowires is not only due to the VLS mechanism but that a second component also contributes, which we were able to observe and quantify
for the first time in this experiment.
This change is important when it comes to applications, since the structure and shape of the
nanowires have important consequences
for the properties of the resulting material.
Their findings do not only provide
for a better understanding of growth, they also enable approaches to customizing
nanowires with special properties
for certain applications in the future.
«We found that growth of
nanowires is not only caused by the VLS process, but also by a second component that was observed and quantified directly
for the first time in this experiment.
«Strings of electron - carrying proteins may hold the secret to «electric bacteria»: The
nanowire structure and electron transfer process of a unique bacterium could provide a foundation
for sustainable energy.»
Their observations reveal exact details of the growth process responsible
for the evolving shape and crystal structure of the crystalline
nanowires.
The findings also provide new approaches to tailoring
nanowires with desired properties
for specific applications.
«Silicon chip with integrated laser: Light from a
nanowire: Nanolaser
for information technology.»
A fully integrated nanosystem of semiconductor
nanowires for direct solar water splitting.
Using epitaxy, the semiconductor
nanowires can then be grown atom
for atom out of these holes.»
Silver
nanowires have drawn significant interest in recent years
for use in many applications, ranging from prosthetic devices to wearable health sensors, due to their flexibility, stretchability and conductive properties.
Nanowires for LEDs are made up of an inner core of gallium nitride (GaN) and a layer of indium - gallium - nitride (InGaN) on the outside, both of which are semiconducting materials.
But conventional techniques
for printing circuits don't work well with silver
nanowires; the
nanowires often clog the printing nozzles.
The researchers have used the new technique to create prototypes that make use of the silver
nanowire circuits, including a glove with an internal heater and a wearable electrode
for use in electrocardiography.
Tiny cages with
nanowire bars could block light from entering or exiting, but allow other materials through — which might be useful
for biomedicine
The new system also includes one of the fastest detectors available
for single photon counting, a superconducting
nanowire single photon detector (SNSPD).
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.
Small magnetic domain wall structures in
nanowires can be used to store information and,
for example, can be used as angle sensors.
A team of researchers at the Brazilian Center
for Physics Research is studying the motion of vortex domain walls — local regions of charge that collectively store information via their configuration — driven by magnetic fields in ferromagnetic
nanowires, which are configured in a straight line with an asymmetric Y - like branch.
Researchers have come up with a crossbar design
for computer chips, essentially building a layer of
nanowires on top of another layer of
nanowires at a perpendicular angle.
In the information technology world, nanoprinting could be used to achieve the controlled placement of catalytic seed particles
for growing semiconducting
nanowires.
He believes
nanowires could pave the way
for molecular electronics because they are more predictable than other techniques and can be built without conventional lithography.
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.
Wang and his team looked at creating a
nanowire material that was flexible, easily manufactured and environmentally friendly and could cool with an electric field safe
for human use.
Their vertically aligned ferroelectric barium strontium titanate
nanowire array can cool about 5.5 degrees Fahrenheit using 36 volts, an electric field level safe
for humans.
For the experiment, the team built a tiny battery with a lithium - cobalt anode and a cathode made from tin oxide
nanowires just 200 nanometres wide.
Now, researchers at the Missouri University of Science and Technology have shown
for the first time that germanium
nanowires can be deposited by a simple, one - step process called electrodeposition that could provide a low cost route to fabricate these anodes.
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.
Earlier evidence
for the quasiparticles was found in one - dimensional
nanowires, in which a Majorana fermion sat motionless at each end of the wire, like a particle bound to a particular spot within a material.
ZIF - 8 film is easily coated on Pd
nanowires by simple dipping (
for 2 - 6 hours) in a methanol solution including Zn (NO3) 2 · 6H2O and 2 - methylimidazole.
Scientists had long suspected that bacterial
nanowires were pili — Latin
for «hair» — which are hair - like features common on other bacteria, allowing them to adhere to surfaces and even connect to one another.
The team set up an aluminium superconductor and built an escape route
for the electrons using
nanowires.
THE shimmering sea mouse, Aphrodita aculeata, may hold a key to creating nanoscale electronics, making it possible to produce
nanowires 100 times longer than existing methods allow — and
for a fraction of the price.
For instance, certain substrates on which the
nanowires grow create conditions so that the
nanowire growth orientation is dictated by the substrate's underlying crystal structure.
Experiments of this type expose the
nanowire to a strong magnet, which unlocks an extra way
for electrons in the wire to organize themselves at low temperatures.
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.
«Latest
nanowire experiment boosts confidence in Majorana sighting: New test matches theory and offers the best evidence yet
for the oddball particles.»
We will present the selected technologies that include silver
nanowires transparent conductive films, silicon anode
for Li - ion batteries and 3D micro batteries.
For, say, perturbation experiments, we use 1.5 - micron or 2 - micron length
nanowires, but these can be longer.
For example, researchers use SCF processes to form nanoparticles or
nanowires inside the tiny nanotubes.
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.
Prof. Fernando Patolsky; High - Capacity, Three - Dimensional Silicon
Nanowire (SiNW) Anode
for Lithium - Ion Batteries
In the notice, Chang Ming Li from the Institute
for Clean Energy & Advanced Materials (ICEAM) at Southwest University in China, states that there is «insufficient evidence to conclusively» identify the composition of the
nanowire array described in the article, which «severely undermines the validity of the reported conclusions.»
Dr. El - Naggar has increased our understanding of electron transfer focusing on bacterial
nanowires, and is working to develop new nanomaterials and tools
for energy conversion.
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].
In the case of Ge - based semiconductors a lot of work was done on the direct tailoring of the material geometry (
nanowires, phononic crystals, nanoporous materials, etc.) achieving
for example materials with ultra-low thermal conductivity.
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.
Resume: Silicon
nanowires have attracted high attention
for their possible application in nanoelectronics and thermoelectricity.