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Technology Research News February 11, 2004 |
DNA sorts nanotubes Researchers have come up with a way to use DNA to separate carbon nanotubes by electrical type -- metallic or semi conducting -- and by diameter. A carbon nanotubes's electrical properties and diameter are related. |
Technology Research News August 13, 2003 |
Carbon wires expand nano toolkit Scientists looking for building blocks to form electronics and machines that are not much bigger than molecules have gained a new tool. |
Technology Research News February 25, 2004 |
Nanotube mix makes liquid crystal Carbon nanotubes are rolled-up sheets of carbon atoms that can be as narrow as 0.4 nanometers, or the span of four hydrogen atoms. They have useful electrical and mechanical properties and are a leading player in nanotechnology. |
Technology Research News May 5, 2004 |
Nano Test Tubes Fabricated Researchers have found a way to make minuscule test tubes from carbon and silica nanotubes. |
Technology Research News December 15, 2004 |
DNA Makes Nanotube Transistors Researchers have harnessed the self-assembly abilities of DNA to construct field-effect transistors from carbon nanotubes. |
Technology Research News May 7, 2003 |
Nanotube shines telecom light Researchers are continually working to expand the usefulness of carbon nanotubes. Scientists from IBM Research have found a way to make the tubes emit light, and have fashioned a nanotube transistor that emits 1.5-micron infrared light, a wavelength widely used in telecommunications. |
Technology Research News January 28, 2004 |
Nanotubes tied to silicon circuit Connecting minuscule nanotube transistors to traditional silicon transistors enables the atomic-scale electronics to communicate with existing electronic equipment. |
Technology Research News December 1, 2004 |
Short Nanotubes Carry Big Currents Researchers have developed a simple way to fabricate carbon nanotube devices whose length is as small as ten nanometers, and have shown that electricity can pass through the nanotubes very efficiently. |
Technology Research News October 8, 2003 |
Nanotubes harvest electrons Researchers from the University of Bologna and the University of Trieste in Italy, and the University of Notre Dame have found a way to alter carbon nanotubes so that they efficiently separate electrical charge. The method could lead to more efficient solar cells. |
Technology Research News December 3, 2003 Kimberly Patch |
DNA assembles nanotube transistor Scientists have caused a transistor to self-assemble from a test tube concoction of DNA, proteins, antibodies, carbon nanotubes and minuscule specks of silver and gold. The feat shows that it is possible to assemble the smallest of machines and electronic devices by harnessing DNA's properties. |
Technology Research News April 7, 2004 |
Fiber spun from nanotube smoke Researchers from the University of Cambridge in England have developed a relatively simple way to manufacture continuous fibers of carbon nanotubes. |
Technology Research News December 29, 2004 |
Coated Nanotubes Make Biosensors Researchers are using carbon nanotubes to sense single molecules, and are tapping the way carbon nanotubes give off near-infrared light in order to read what the sensors have detected. |
Technology Research News November 3, 2004 |
Coated Nanotubes Record Light Researchers have combined minuscule carbon nanotube transistors and photosensitive polymer to make a fast optoelectronic memory device that promises to speed digital photography and provide high-density data storage. |
Technology Research News October 8, 2003 |
Nanotubes boost storage Scientists from IBM Research in Zurich, Osaka Prefecture University in Japan, and the Japanese Nanotechnology Research Institute have advanced the possibilities of using multiwalled carbon nanotubes to make denser, more efficient data storage devices. |
Technology Research News July 14, 2004 |
Laser tweezer traps nanotubes The researchers have showed that it is possible to pattern clusters of nanotubes into configurations that are likely to have near-term applications as chemical, biological and physical sensors. |
Technology Research News July 16, 2003 |
Nano toolbox gains carbon cones Researchers have come up with a useful twist on carbon nanotubes. Their nano pipettes grow thicker at one end to form microscopic cones that have central channels. |
Technology Research News May 19, 2004 |
Nanotube Makes Metal Transistor Researchers from the University of Illinois have found a way to produce a field effect in a metallic single-wall carbon nanotube that conducts electricity 40 times more efficiently than copper. The metal transistor could be used in practical applications in five to ten years. |
Chemistry World September 14, 2011 Simon Hadlington |
World's Longest Carbon-Carbon Bond Created Harnessing both attractive and repulsive forces enabled chemists to make a carbon-carbon bond 30 per cent long than normal. |
Technology Research News April 23, 2003 |
Nanotube web could mimic brain Researchers from NASA Ames Research Center have found a way to grow minuscule webs of connected carbon nanotubes. These networks could herald a new type of electronics that have huge numbers of random connections, a setup similar to a brain's synapses. |
Technology Research News September 8, 2004 |
Nanotube Transistor Has Power Aiming to make electrical componets faster, researchers are working to make components from carbon nanotubes, which are rolled-up sheets of carbon atoms that can be smaller than a nanometer in diameter. |
Technology Research News June 18, 2003 |
Nanotube transistors make memory Researchers from the Samsung Advanced Institute of Technology in Korea and the Chonbuk National University in Korea have laid the groundwork for making nonvolatile computer memory out of carbon nanotubes. |
Chemistry World July 8, 2009 Phillip Broadwith |
DNA gets nanotubes sorted out DNA could be the answer to sorting different kinds of carbon nanotubes, say US researchers. |
Technology Research News December 29, 2004 |
DNA Makes and Breaks Particle Clumps Nanotechnology is all about manipulating materials on the molecular scale. Many teams of researchers are using artificial strands of DNA to do so. |
Technology Research News September 24, 2003 |
Glow shows individual DNA Researchers have made a type of artificial DNA of that glows when it combines with a specific sequence of natural DNA. In principle, the method could be used to develop DNA chips that directly sense individual DNA molecules. |
Technology Research News January 12, 2005 |
Nano Gas Turbine Designed One especially useful component of a microscopic machine would be a motor. Researchers have worked out how a nanoscale gas turbine made from nanotubes would work. |
Chemistry World June 25, 2013 Laura Howes |
Van der Waals forces between atoms measured Lucas Beguin and co-workers at the French National Centre for Scientific Research in Palaiseau, France, however, have developed a new way of measuring these forces. |
Technology Research News October 6, 2004 |
Nanotube diode reverses itself A minuscule p-n junction diode that could be used as a field-effect transistor or a light-emitting diode is a step forward in the push to make nanoscale electronic components. |
Technology Research News July 30, 2003 Eric Smalley |
Chip senses trace DNA Handheld detectors could one day allow you to monitor your body for cancer, your water for chemicals, and your food for bacteria. This requires inexpensive electronics that are capable of detecting trace amounts of substances. One candidate is a chip containing DNA-tipped carbon nanotubes. |
Technology Research News September 22, 2004 |
Plastics Ease Nanotube Circuits Researchers have devised a way to make a random, self-assembled network of carbon nanotubes embedded in polymer that preserves the nanotubes' electrical conductivity and is suitable for thermal printing processes. |
Technology Research News August 25, 2004 Eric Smalley |
Tools Design DNA-Nanotube Logic Researchers are aiming to make the process of assembling molecular-scale components easier with a suite of computer-aided design tools for designing computer circuits made from carbon nanotubes assembled by DNA. |
Technology Research News June 2, 2004 |
Buckyballs Gain Smaller Kin Researchers from Xiamen University and the Chinese Academy of Sciences have constructed a smaller version of the buckyball or C60 fullerene molecule, a spherical cage of carbon atoms. |
Technology Research News February 9, 2005 |
Nanotubes on plastic speed circuits Many researchers are working to make plastic electronics that are as fast as today's silicon electronic components -- with the promise to enable flexible, inexpensive and very-large area computer screens. One group of researchers has taken a significant step closer to this goal. |
Technology Research News May 21, 2003 |
Nanotubes smash length record Duke University researchers produced nanotubes as long as two millimeters, which is 100 times longer than previous efforts. Nanotubes have great potential as components of nanomachines and nanoelectronics. |
Technology Research News March 24, 2004 |
DNA has nano building in hand Researchers from Ludwig Maximilians University in Germany have built a simple molecular machine from DNA that can bind to and release single molecules of a specific type of protein. |
Technology Research News December 1, 2004 Eric Smalley |
For Pure Nanotubes Add Water Washing away impurities with water turns out to be as good for growing carbon nanotubes as it is for keeping a clean house. |
Technology Research News March 9, 2005 |
Method Makes Double Nanotubes Researchers can now fabricate pure batches of double-walled carbon nanotubes, which theoretically should be more thermally and chemically stable than single walled nanotubes. |
Chemistry World September 19, 2010 Simon Hadlington |
One dimensional carbon chains get longer Researchers in Canada have synthesised the longest polyyne to date - a linear chain of carbon atoms. |
Technology Research News March 9, 2005 |
Nanotubes Boost Molecular Devices Researchers have constructed an extremely small transistor from a pair of single-walled carbon nanotubes and organic molecules. The tiny transistor could eventually be used in ultra-low-power electronics. |
Technology Research News June 30, 2004 |
Nanotubes boost neuron growth The method is a step toward neuron-electronic interfaces that would allow for direct biological control of computers and prosthetic devices. |
Technology Research News April 9, 2003 |
Twisted nanotubes have spring Researchers from the University of North Carolina at Chapel Hill have found a way to use carbon nanotubes -- rolled-up sheets of carbon atoms that form naturally in soot -- as tiny springs for microscopic devices. |
Technology Research News April 20, 2005 |
Nanotube Chemical Sensor Gains Speed Researchers have made single-walled carbon nanotube chemical sensors that transmit information by measuring the charge in the nanotubes' capacitance, or ability to store electric charge. |
Technology Research News December 29, 2004 |
Sapphire Steps Shape Nanotubes Arrays Researchers have found that it is possible to grow carbon nanotubes along atom-size steps on a sapphire surface. |
Technology Research News August 27, 2003 |
Nanotubes spark gas detector Researchers from Rensselaer Polytechnic Institute have found a way to use carbon nanotubes to make very small, sensitive gas detectors. |
Technology Research News November 3, 2004 Kimberly Patch |
DNA in nanotubes sorts molecules Researchers have made a synthetic membrane that recognizes certain biochemical molecules and allows them to pass through. The method could be used to make biological sensors like those needed for genetics research, and to sort biological molecules, |
Chemistry World December 7, 2009 Simon Hadlington |
Metal atoms in carbon nanotubes caught on film An international team of researchers has filmed individual metal atoms as they move around and react within the confines of a carbon nanotube. |
Technology Research News November 3, 2004 |
Nanotubes Lengthen to Centimeters Researchers have found a way to grow very long carbon nanotubes. One long-range possibility is using ultralong carbon nanotubes fibers to make an elevator to low Earth orbit. |
Technology Research News August 27, 2003 |
Detector senses single DNA Researchers from the University of California at Los Angeles have tapped differences in the folding characteristics of single-stranded and double-stranded DNA to make a sensor capable of detecting a single DNA molecule. |
Technology Research News October 6, 2004 |
Design rules build on self-assembly Researchers at the University of Michigan have developed computer simulations that promise to speed the process of finding ways to build practical nanostructures, including precisely-structured materials, electronic and optical components, and chemical sensors. |
Chemistry World May 30, 2012 Jon Cartwright |
Tiny buckyball grown around metal atom An international team of researchers has observed the smallest fullerene to form spontaneously to date using metal atoms for stabilization. |
Chemistry World January 2012 |
DNA motors on With the relentless rise of DNA nanotechnology's popularity, Emma Davies explores the role chemistry has played in its success |