Sentences with phrase «nanotube surface»
«By chemically modifying the nanotube surface to controllably introduce light - emitting defects, we have developed carbon nanotubes as a single photon source, working toward implementing defect - state quantum emitters operating at room temperature and demonstrating their function in technologically useful wavelengths,» said Stephen Doorn.
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New nanotube surface promises dental implants that heal faster and fight infection.»
«By chemically modifying the nanotube surface to controllably introduce light - emitting defects, we have developed carbon nanotubes as a single photon source, working toward implementing defect - state quantum emitters operating at room temperature and demonstrating their function in technologically useful wavelengths,» said Stephen Doorn, leader of the project at Los Alamos and a member of the Center for Integrated Nanotechnologies (CINT).
The researchers demonstrated how this could be applied by moving the nanofibre from the nanotube surface onto a set of electrodes to test its electrical properties.
Not exact matches
The business is trying out a different sort of flexible display material — carbon nanotube technology that can be applied to special surfaces with an inkjet machine.
This tugs at nearby rubidium atoms which have been chilled to a fraction of a degree above absolute zero: a positive charge on the surface of the nanotubes attracts the rubidium atoms» electrons, while the positively charged nucleus is repelled.
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).
Using a method called immersed surface accumulation 3 - D printing (ISA - 3D printing), the research team successfully created the egg - beater microstructure in samples made from plastic and carbon nanotubes.
Jacking up the current to five times the normal amperage one day, postdoc A. V. Palnichenko found that instead of some kin of buckyballs or nanotubes, a diamond grit consisting of hundreds of 10 - micrometer - wide diamonds and a smattering of larger, 100 - micrometer - wide ones had landed on the metal surface below, they report in the 11 November Nature.
So Banhart used a kind of substitute soldercreated on the spotto link two crossed nanotubes: he focused a narrow beam of electrons from a scanning electron microscope at the point where the tubes met, thereby converting contaminants on their surfaces into bridges made from graphite - like carbon that can conduct electricity.
The result was a highly porous carbon nanotube electrode with lots of oxygens exposed on the surface, ready to bind with lithium.
So Shao - Horn and her colleagues decorated the outer surfaces of their nanotubes with two different types of oxygen - containing chemical groups that gave them opposite charges.
The joint research team, led by LLNL Engineer Tiziana Bond and ETH Scientist Hyung Gyu Park, are using spaghetti - like, gold - hafnium - coated carbon nanotubes (CNT) to amplify the detection capabilities in surface - enhanced Raman spectroscopy (SERS).
To test this idea, the researchers applied an established technique to treat the surface of the nanotubes with antibodies that bind to prostate specific antigen (PSA), a common experimental target.
What's more, Wardle says, a three - dimensional forest of carbon nanotubes would provide much more surface area on which target molecules may interact, compared with the two - dimensional surfaces in conventional microfluidics.
Highly crystalline single - walled carbon nanotubes (HCSWCNT) have nearly zero defects in the carbon network on the surface, Shimoi explained.
The nanotubes drastically increase the surface area of the ultracapacitor electrode, allowing it to hold 20 times as much energy.
Just like a gecko lifting its foot away from the wall, researchers pulled the glue pad away at a 90 - degree angle so that only the tips of the branching nanotube bits were touching the surface, and it easily came away.
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.
Robertson and his colleagues grew carbon nanotubes on a conductive copper surface that was coated with co-catalysts cobalt and molybdenum.
«This places the new material in the exclusive class of porous, high surface area materials including mesoporous silica, zeolites, metal organic frameworks, and carbon nanotubes,» says Strømme.
«The presence of residual catalyst on the surface of carbon nanotubes can limit their use in biological or medical applications.»
«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.
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.
As the fuel reacts with oxygen above the surface of the nanotube sheet, it releases a charge that make the sheet expand.
The nanotube - covered surface could make it easier to work with soft material like cells, he suggests.
On carbon nanotubes, which are essentially only surface materials because of their exceptionally thin walls, the particle significantly changes the material's total electrical conductance.
Looking to solve this problem on its manned and unmanned aircraft, the U.S. Air Force will by the end of the year to kick off an 18 - month study of the use of carbon nanotube sheets to create a shielding layer on the surfaces of lightweight composites.
They discovered that coating a work surface with upright carbon nanotubes allows microscopic components to be moved across the surface more easily.
It describes work showing that specially treated TiO2 nanotubes on the surface of orthopedic bone screws survive insertion and removal in bone simulant material.
Shokuhfar is now working with Cortino Sukotjo, a clinical assistant professor at the University of Illinois at Chicago (UIC) College of Dentistry on a dental implant with a surface made from TiO2 nanotubes, but she has been making and testing them for several years.
Because osteoblasts readily adhere to this novel surface, dental implants coated with TiO2 nanotubes could significantly improve healing following dental implant surgery.
She has already demonstrated that bone cells grow more vigorously and adhere better to titanium coated with TiO2 nanotubes than to conventional titanium surfaces.
This is a bone cell anchoring itself to a surface of titanium dioxide nanotubes.
«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.
The paper «Survivability of TiO2 Nanotubes on the Surface of Bone Screws» has been accepted by the journal Surface Innovations.
Gold nanotubes engineered to a specified length, modified surfaces, and to have other desirable characteristics showed expected abilities to enter tumor cells in laboratory studies, and to distribute to tissues within live mice as intended.
Dublin Institute of Technology, Electrical and Controls Engineering and Gaskatel, Kassel, Germany - Fuel Cells University of Applied Science - Germany, Fuel Cells and Nanocomposit Materials Trinity College - Dublin Physics - Nanotubes and Polymer Modified Carbon Nanotubes materials and Spectroscopic Characterization of Liganded Rare Earth Compounds (Chemistry) Our work has resulted inthe start up of two companies: Photonic Cleaning Technologies, LLC, Platteville, WI, USA - Manufacturer of First Contact Polymer, Sales in 62 Countries Xolve, Inc., Platteville, WI, USA Hamilton Group Past and Present Research and Development Projects: Design, Characterization and Synthesis of Chromone Laser Dyes Surface And Optical Characterization of Polymer Strip Coatings for Optics and Astronomy Double Resonance IR / VIS Fluorescence Detection using the National Free Electron Laser Facility in Newport News, Virginia
We have invented new biomaterial surfaces based on natural halloysite nanotubes, that capture rare circulating tumor cells (CTCs) from blood while simultaneously repelling white blood cells.
Heating the nanotubes in a vacuum above 200 degrees Celsius (392 degrees Fahrenheit) reduced surface contamination, but not enough to eliminate inconsistent results, they found.
The new MIT research, published online this week in the journal Nature Nanotechnology [abstract], is based on findings that carbon nanotubes — microscopic, hollow cylinders of pure carbon — can enhance the efficiency of electron collection from a solar cell's surface.
They then either heated the nanotubes in a vacuum or bombarded them with argon ions to clean their surfaces.
A space elevator uses a carbon nanotube ribbon that stretches from the surface of the earth to a counterweight in space.
Effects of Surface Modification on the Suspension Stability and Thermal Conductivity Enhancement of Carbon Nanotubes Nanofluids
Performed surface engineering of 3D carbon microstructures by integrating carbon nanotubes (CNTs) and graphene for electrochemical applications.
Tags for this Online Resume: surface chemistry, nanomaterials, biosensors, nanocomposites, nanotubes, nanoparticles, analytical chemistry, surface mosification