Archive for 'Nano Tech'
Easy assembly of electronic biological chips
Posted on 18. Jan, 2009 by admin.
A handheld, ultra-portable device that can recognize and immediately report on a wide variety of environmental or medical compounds may eventually be possible, using a method that incorporates a mixture of biologically tagged nanowires onto integrated circuit chips, according to Penn State researchers.
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Argonne research unveiling the secrets of nanoparticle haloing
Posted on 06. Jun, 2008 by admin.
ARGONNE, Ill. (June 5, 2008) – A glass of milk, a gallon of paint, and a bottle of salad dressing all look to the naked eye like liquids. But when viewed under a microscope these everyday liquids, called “colloids,” actually contain small globules or particles that stay suspended in solution.
Colloids require a delicate balance of [...]
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New superconductors present new mysteries, possibilities
Posted on 06. Jun, 2008 by admin.
Johns Hopkins University researchers and colleagues in China have unlocked some of the secrets of newly discovered iron-based high-temperature superconductors, research that could result in the design of better superconductors for use in industry, medicine, transportation and energy generation.
In an article published today in the journal Nature, the team, led by Chia-Ling Chien, the Jacob [...]
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Nanoparticles assemble by millions to encase oil drops
Posted on 30. May, 2008 by admin.
Designer ‘nanobatons’ could be used to trap oil, deliver drugs
HOUSTON — May 29, 2008 — In a development that could lead to new technologies for cleaning up oil spills and polluted groundwater, scientists at Rice University have shown how tiny, stick-shaped particles of metal and carbon can trap oil droplets in water by spontaneously assembling [...]
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A molecular ’salve’ to soothe surface stresses
Posted on 30. May, 2008 by admin.
Researchers at the National Institute of Standards and Technology (NIST) have shown for the first time that a single layer of molecular “salve” can significantly soothe the stresses affecting clean metal surfaces. The discovery, revealed in a new paper,* may help scientists to understand the factors that influence surface stress, which is important in a [...]
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Nanoparticle technique could lead to improved semiconductors
Posted on 06. Aug, 2007 by admin.
University of Texas at Austin researchers explore ‘deep trap’ phenomenonAUSTIN, Texas—Devices made from plastic semiconductors, like solar cells and light-emitting diodes (LEDs), could be improved based on information gained using a new nanoparticle technique developed at The University of Texas at Austin.
As electrical charges travel through plastic semiconductors, they can be trapped much like a [...]
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Bacteria ferry nanoparticles into cells for early diagnosis, treatment
Posted on 13. Jun, 2007 by admin.
June 13, 2007 — Researchers at Purdue University have shown that common bacteria can deliver a valuable cargo of “smart nanoparticles” into a cell to precisely position sensors, drugs or DNA for the early diagnosis and treatment of various diseases.
The approach represents a potential way to overcome hurdles in delivering cargo to the interiors of [...]
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Nanoparticles unlock the future of superalloy metals
Posted on 13. Jun, 2007 by admin.
ALBUQUERQUE, N.M. — Sandia National Laboratories is pioneering the future of superalloy materials by advancing the science behind how those superalloys are made.As part of Sandia’s nanoscale research, a group of experts specializing in inorganic synthesis and characterization, modeling, and radiation science have designed a radical system of experiments to study the science of creating [...]
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Nanotube flickering reveals single-molecule rendezvous
Posted on 07. Jun, 2007 by admin.
Excitons play peek-a-boo on carbon nanotubesHOUSTON, June 7, 2007 — In the quantum world, photons and electrons dance, bump and carry out transactions that govern everything we see in the world around us. In this week’s issue of Science, French and U.S. scientists describe a new technique in nanotechnology that allowed them to zoom in [...]
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