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New 'near-field' radiation therapy promises relief for overheating laptops
Researchers at Lehigh University, IBM and the Ioffe Institute have developed a way to release heat trapped inside billions of tiny semiconductor electronic circuits and channel it into the substrate, which is larger and can be more easily cooled. Their method exploits the electron scattering that occurs in nonsuspended carbon nanotube transistors. This scattering causes a wave, or surface polariton, which is particularly strong in the near field zone above the substrate. (2009-04-13)

Cheap catalyst made easy
Catalysts made of carbon nanotubes dipped in a polymer solution equal the energy output and otherwise outperform platinum catalysts in fuel cells, a team of Case Western Reserve University engineers has found. (2011-03-22)

Penta-graphene, a new structural variant of carbon, discovered
Researchers at Virginia Commonwealth University and universities in China and Japan have discovered a new structural variant of carbon called 'penta-graphene' -- a very thin sheet of pure carbon that has a unique structure inspired by a pentagonal pattern of tiles found paving the streets of Cairo. (2015-02-03)

Move over, silicon, there's a new circuit in town
Dr. Chongwu Zhou of the USC Viterbi School of Engineering has developed a flexible, energy-efficient hybrid circuit combining carbon nanotube thin film transistors with thin film transistors comprised of indium, gallium and zinc oxide. (2014-06-17)

Computer model maps strengths, weaknesses of nanotubes
In theory, carbon nanotubes are 100 times stronger than steel, but in practice they've proven much weaker, raising questions about precisely how they break and why. A new computer modeling approach described in this week's Proceedings of the National Academy of Sciences offers new clues. The model creates a (2006-03-27)

Carbon nanotubes boost cancer-fighting cells
Yale University engineers have found that the defects in carbon nanotubes cause T cell antigens to cluster in the blood and stimulate the body's natural immune response. Their findings, which appear as the cover article of the April 20 issue of the journal Langmuir, could improve current adoptive immunotherapy, a treatment used to boost the body's ability to fight cancer. (2010-04-20)

NASA Goddard's nanotechnology comes to market
Finding affordable ways to make technology available to everyone is a common challenge. Now, a researcher at NASA's Goddard Space Flight Center, Greenbelt, Md. has done that with the process that creates (2006-11-14)

Carbon nanotubes grow up, out, and in all three dimensions
Next-generation computer chips, integrated circuits, and the microelectromechanical (MEMS) devices that power them depend upon carbon nanotubes that can be grown up, down, sideways, and in all three dimensions. Researchers at Rensselaer are the first to achieve this unprecedented, specific, and controlled nanotube growth. (2002-04-03)

Nanotubes find niche in electric switches
Researchers in the United States and Finland have found that carbon nanotubes can significantly improve the performance of electrical contacts that are common in millions of motors used in a variety of electrical applications. Findings published this month in Advanced Materials conclude that (2009-03-10)

Supercomputer simulations reveal strongest carbon nanotubes
A team of researchers at Penn State has used computer simulations to discover carbon fibers with mechanical strength comparable to that of diamond, in the form of incredibly strong and stiff carbon tubes about 0.4 nanometers in diameter. The so-called nanotubes, which have not yet been synthesized, could theoretically be made from simple starting materials and prove useful in a variety of applications. (2001-09-17)

Spinal injuries: the recovery of motor skills thanks to nanomaterials
Re-establishing motor skills and neuronal connectivity thanks to the implantation of carbon nanotubes in the injury site. This is the result of a study conducted by SISSA and the University of Trieste and published in PNAS. For the first time, the researchers have used nanomaterial implants in animals with spinal injury, showing the potential of therapeutic approaches that use the mechanical and electric properties of regenerative scaffolds to treat the injured area. (2020-09-28)

Spinning carbon nanotubes spawns new wireless applications
The University of Cincinnati has long been known for its world-record-breaking carbon nanotubes. Now researchers at the University of Cincinnati have discovered new uses by spinning carbon nanotubes into longer fibers with additional useful properties. (2009-03-09)

Researchers gauge quantum properties of nanotubes, essential for next-gen electronics
Today, a group of scientists from the University of Illinois at Urbana-Champaign, Lehigh University and Harvard University are reporting on the discovery of an important method for measuring the properties of nanotube materials using a microwave probe. (2016-01-07)

New theory explains electronic and thermal behavior of nanotubes
Researchers at the University of Illinois at Urbana-Champaign have made an important theoretical breakthrough in the understanding of energy dissipation and thermal breakdown in metallic carbon nanotubes. Their discovery will help move nanotube wires from laboratory to marketplace. (2006-01-19)

Extreme darkness: Carbon nanotube forest covers NIST's ultra-dark detector
Harnessing darkness for practical use, researchers at the National Institute of Standards and Technology have developed a laser power detector coated with the world's darkest material -- a forest of carbon nanotubes that reflects almost no light across the visible and part of the infrared spectrum. (2010-08-18)

MIT nanotubes sniff out cancer agents in living cells
MIT engineers have developed carbon nanotubes into sensors for cancer drugs and other DNA-damaging agents inside living cells. (2008-12-14)

MIT sensor detects spoiled meat
MIT chemists have devised an inexpensive, portable sensor that can detect gases emitted by rotting meat, allowing consumers to determine whether the meat in their grocery store or refrigerator is safe to eat. (2015-04-15)

Electromechanics also operates at the nanoscale
What limits the behavior of a carbon nanotube? This is a question that many scientists are trying to answer. Physicists at University of Gothenburg, Sweden, have now shown that electromechanical principles are valid also at the nanometer scale. In this way, the unique properties of carbon nanotubes can be combined with classical physics -- and this may prove useful in the quantum computers of the future. (2011-05-09)

Jefferson and Delaware researchers combine tiny nanotubes and antibodies to detect cancer
By coating the surfaces of tiny carbon nanotubes with monoclonal antibodies, biochemists and engineers at Jefferson Medical College and the University of Delaware have teamed up to detect cancer cells in a tiny drop of water. The work is aimed at developing nanotube-based biosensors that can spot cancer cells circulating in the blood from a treated tumor that has returned or from a new cancer. (2005-11-17)

Layered security: Carbon nanotubes promise improved flame-resistant coating
Using an approach akin to assembling a club sandwich at the nanoscale, NIST researchers have succeeded in crafting a uniform, carbon-nanotube-based coating that greatly reduces the flammability of foam commonly used in furniture and other soft furnishings. (2014-01-15)

NRL scientists produce carbon nanotubes using commercially available polymeric resins
Scientists at the Naval Research Laboratory have successfully produced carbon nanotubes in high yields in bulk solid compositions using commercially available aromatic containing resins. The concentration of multi-walled carbon nanotubes and metal nanoparticles can be easily varied within the shaped carbonaceous solid. Carbon nanotube containing fibers and films have also been formulated from the precursor compositions. The potential range of applications is huge, including structure, energy, sensors, separation/filtration, battery, electronic displays and nanoelectronic devices. (2008-02-07)

Electrochemical doping: researchers improve carbon nanotube transparent conductors
Skoltech researchers and their colleagues from Aalto University have discovered that electrochemical doping with ionic liquid can significantly enhance the optical and electrical properties of transparent conductors made of single-walled carbon nanotube films. (2020-07-29)

Sapphire stars in nanotube supporting role
USC researchers have found why some but not all sapphire surfaces spontaneously arrange carbon nanotubes into useful patterns, opening the door for systematic exploration of sapphire as a SWNT (single walll nanotube transistor) substrate medium. (2005-04-25)

Researchers create DNA-based sensors for nano-tongues and nano-noses
University of Pennsylvania researchers have created nano-sized sensors from carbon tubes coated with strands of DNA that could be tuned to detect specific odors and tastes. These sensors could form (2005-09-15)

UConn chemists find secret to increasing luminescence efficiency of carbon nanotubes
University of Connecticut chemists have found a way to greatly increase the luminescence efficiency of carbon nanotubes by wrapping them in a chemical (2009-03-06)

New 'frozen smoke' material: 1 ounce could carpet three football fields
Scientists are reporting the development of a new, ultra-light form of (2011-01-12)

New book highlights status of research into carbon nanotubes
Published by Springer and edited by scientists from Lehigh University and DuPont, the book explores nanotubes' potential applications in electronics, lasers and medicine and contains sections on theories and modeling, synthesis and characterization, optical spectroscopy, and transport and electromechanical applications. (2005-06-24)

UCLA physicists create world's smallest incandescent lamp
UCLA physicists have created the world's smallest incandescent lamp using a filament made from a single carbon nanotube only 100 atoms wide. Invisible to the untrained eye, the filament appears as a tiny point of light when the lamp is turned on. Even with the best optical microscope it is only just possible to resolve the nanotube's nonzero length. The team uses an electron microscope capable of atomic resolution to image the filament's true structure. (2009-05-06)

Researchers generate hydrogen without the carbon footprint
A greener, less expensive method to produce hydrogen for fuel may eventually be possible with the help of water, solar energy and nanotube diodes that use the entire spectrum of the sun's energy, according to Penn State researchers. (2008-07-15)

Improved wettability of carbon nanotubes opens the door to new possibilities
Carbon nanotubes have long been touted as the wonder material of the future but their wonder properties can also be their downfall. The non-reactive nature of carbon nanotubes means they can be difficult to incorporate into other materials for real world applications. (2007-11-21)

Deformation of nanotubes to control conductivity
Scientists from the NUST MISIS Laboratory of Inorganic Nanomaterials together with their international colleagues have proved it possible to change the structural and conductive properties of nanotubes by stretching them. This can potentially expand nanotubes' application into electronics and high-precision sensors such as microprocessors and high-precision detectors. The research article has been published in Ultramicroscopy. (2018-10-23)

Method sorts out double-walled carbon nanotube problem
It's hard to study something with any rigor if the subject can't be produced uniformly and efficiently. Researchers who study double-walled carbon nanotubes find themselves in just this predicament. The problem is that current techniques for synthesizing double-walled carbon nanotubes also produce unwanted single- and multi-walled nanotubes. Northwestern University researchers now offer a clever solution: They used a technique called density gradient ultracentrifugation to cleanly and easily separate the double-walled nanotubes from the undesirables. (2008-12-14)

Growing carbon nanotubes with the right twist
Researchers synthetize nanotubes with a specific structure expanding previous theories on carbon nanotube growth. (2019-12-13)

Scientists untangle nanotubes to release their potential in the electronics industry
Researchers have demonstrated how to produce electronic inks for the development of new applications using the 'wonder material', carbon nanotubes. (2013-10-21)

NNI publishes report on carbon nanotube (CNT) commercialization
The National Nanotechnology Initiative today published the proceedings of a technical interchange meeting on 'Realizing the Promise of Carbon Nanotubes: Challenges, Opportunities, and the Pathway to Commercialization,' held at NASA Headquarters on Sept. 15, 2014. (2015-03-12)

'Waviness' explains why carbon nanotube forests have low stiffness
A new study has found that (2013-09-30)

Movies show nanotubes bend like sluggish guitar strings
Rice University scientists have discovered a way to use standard optical microscopes and video cameras to film individual carbon nanotubes, an important advance in nanotechnology imaging that's described online in Physical Review Letters. The method may be useful for life scientists probing the interaction of nanotubes with cells and biomolecules. The movies show that nanotubes can be plucked -- like tiny guitar strings -- by individual molecules of water. (2006-06-27)

Tough tubes -- Carbon nanotubes endure heavy wear and tear
The ability of carbon nanotubes to withstand repeated stress yet retain their structural and mechanical integrity is similar to the behavior of soft tissue, according to a new study from Rensselaer Polytechnic Institute. When paired with the strong electrical conductivity of carbon nanotubes, this ability to endure wear and tear, or fatigue, suggests the materials could be used to create structures that mimic artificial muscles or interesting electro-mechanical systems, researchers said. (2007-07-02)

Duke chemists describe new kind of 'nanotube' transistor
Duke University researchers exploring ways to build ultrasmall electronic devices out of atom-thick carbon cylinders have incorporated one of these (2004-03-29)

Thermal superconductivity in carbon nanotubes not so 'super' when added to certain materials
Superb conductors of heat and infinitesimal in size, carbon nanotubes might be used to prevent overheating in next-generation computing devices or as fillers to enhance thermal conductivity of insulating materials, such as durable plastics or engine oil. But a research team at Rensselaer Polytechnic Institute has discovered that the nanotubes' role as thermal superconductors is greatly diminished when mixed with materials such as polymers that make up plastics. (2003-11-11)

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