Tuesday, November 28, 2006
Pure carbon nanotubes pass first in vivo test
In the first experiments of their kind, researchers at Rice University and The University of Texas M. D. Anderson Cancer Center have determined that carbon nanotubes injected directly into the bloodstream of research lab animals cause no immediate adverse health effects and circulate for more than one hour before they are removed by the liver.
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Thursday, November 23, 2006
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On the Cutting Edge: Carbon Nanotube Cutlery
Researchers at the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU) have designed a carbon nanotube knife that, in theory, would work like a tight-wire cheese slicer.
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Rice chemists create, grow nanotube seeds
Rice University chemists today revealed the first method for cutting carbon nanotubes into "seeds" and using those seeds to sprout new nanotubes. The findings offer hope that seeded growth may one day produce the large quantities of pure nanotubes needed for dozens of materials applications.
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Thursday, November 16, 2006
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NASA Nanotechnology Comes to Market
Finding affordable ways to make technology available to everyone is a common challenge. Now, NASA has done that with the process that creates "nanotubes."
Earlier this year, NASA licensed its patented technique for manufacturing these high-quality "single-walled carbon nanotubes" to Idaho Space Materials (ISM) in Boise, Idaho. Now the carbon nanotubes based on this creation process are being used by researchers and companies that are working on things that will impact almost every facet of life, such as new materials with ceramics and polymers.
Nanotubes Grow Smaller than a Nanometer
As it is, nanotubes are tiny. But researchers at the University of California, Berkeley, have found a way to make these carbon structures even smaller. The size of the tubes, which are used in mass and chemical sensors as well as transistors and oscillators, impart properties that allow for more exacting performance--for instance, the ability to oscillate at higher frequencies or improved conductivity.
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Neural networking nanotubes
New implantable biomedical devices that can act as artificial nerve cells, control severe pain, or allow otherwise paralyzed muscles to be moved might one day be possible thanks to developments in materials science.
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Wednesday, November 08, 2006
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New Techniques Pave Way for Carbon Nanotubes in Electronic Devices
A team from Rensselaer Polytechnic Institute reports two new techniques, each following a different approach, for placing carbon nanotube patterns on metal surfaces of just about any shape and size.
The results could help overcome some of the key hurdles to using carbon nanotubes in computer chips, displays, sensors, and many other electronic devices.
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Monday, November 06, 2006
The results could help overcome some of the key hurdles to using carbon nanotubes in computer chips, displays, sensors, and many other electronic devices.
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Nantero Announces Routine Use of Nanotubes in Production CMOS Fabs
Nantero, Inc., a nanotechnology company using carbon nanotubes for the development of next-generation semiconductor devices, has resolved all of the major obstacles that had been preventing carbon nanotubes from being used in mass production in semiconductor fabs.
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