Carbon nanotube (31) | ![]() |
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#DNA motor uses arms to walk across a nanotube Purdue University rightoriginal Studyposted by Emil Venere-Purdue on December 19 2013engineers made a motor out of DNA
and then used it to move nanoparticles of cadmium disulfide along the length of a nanotube.
As it moves along a carbon-nanotube track it continuously harvests energy from strands of RNA molecules vital to a variety of roles in living cells
and viruses. ur motors extract chemical energy from RNA molecules decorated on the nanotubes and use that energy to fuel autonomous walking along the carbon nanotube trackchoi says.
The process repeats until reaching the end of the nanotube track. The researchers combined two fluorescent imaging systems to document the motor s movement one in the visible spectrum and the other in the near-infrared range.
and the nanotubes are fluorescent in the near-infrared. The motor took about 20 hours to reach the end of the nanotube which was several microns long
but the process might be sped up by changing temperature and ph a measure of acidity.
Here is the proof. xperts say the achievement will galvanize efforts to find successors to silicon chips which could soon encounter physical limits that might prevent them from delivering smaller faster cheaper electronic devices. arbon nanotubes CNTS have long been considered as a potential successor to the silicon transistorsays Professor
But with billions of nanotubes on a chip even a tiny degree of misaligned tubes could cause errors
Bypassing the misaligned nanotubes required even greater subtlety. The Stanford researchers created a powerful algorithm that maps out a circuit layout that is guaranteed to work no matter
But the sensors aren just useful for explosives the researchers found that the coated nanotubes can also detect two pesticides that contain nitro-aromatic compounds.
photosynthetic activity measured by the rate of electron flow through the thylakoid membranes was 49 percent greater than that in isolated chloroplasts without embedded nanotubes.
the nanotubes moved into the chloroplast and boosted photosynthetic electron flow by about 30 percent.
When the target molecule binds to a polymer wrapped around the nanotube, it alters the tube fluorescence. e could someday use these carbon nanotubes to make sensors that detect in real time, at the single-particle level,
and nanotubes using any method they like and use the shrinking action to compact them into a higher density."
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015an even more versatile optical chip:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015an even more versatile optical chip:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015an even more versatile optical chip:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015an even more versatile optical chip:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
Rice university researchers model graphene/nanotube hybrids to test properties September 14th, 2015coming out September 14th, 2015nano in food and agriculture:
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