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From 2D blueprint, material assembles into novel 3D nanostructures

An international team of scientists affiliated with the UW-Madison Nanoscale Science and Engineering Center has coaxed a self-assembling material into forming never-before-seen, three-dimensional nanoscale structures, with potential applications ranging from catalysis and chemical separation to semiconductor manufacturing.

Posted: Jan 27th, 2006

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Nanofactories: Glimpsing the future of process technology

A special report titled "Nanofactories: Glimpsing the future of process technology" is the cover article for the January 2006 issue of CleanRooms Magazine. The lengthy article, subtitled "Making sense of the molecular machine shop," concludes that, while the promise of medical nanorobotics and nanoscale factories and their products is still far off, the principle of molecular manufacturing already has been demonstrated in the laboratory and the next step, nanoscale systems that make other nanoscale systems, currently has a strong theoretical foundation.

Posted: Jan 27th, 2006

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Mystery of metallic glass is cracked

Using state-of-the-art lab techniques and powerful computer simulations, Johns Hopkins researchers have discovered how atoms pack themselves in unusual materials known as metallic glasses. Their findings should help scientists better understand the atomic scale structure of this material, which is used to make sports equipment, cell phone cases, armor-piercing projectiles and other products.

Posted: Jan 26th, 2006

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DNA-wrapped carbon nanotubes serve as sensors in living cells

Single walled carbon nanotubes wrapped with DNA can be placed inside living cells and detect trace amounts of harmful contaminants using near infrared light, report researchers at the University of Illinois at Urbana-Champaign. Their discovery opens the door to new types of optical sensors and biomarkers that exploit the unique properties of nanoparticles in living systems.

Posted: Jan 26th, 2006

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New nanofibers for use in advanced filtration and medical applications

Fingerprints are usually used to identify people but, this time, they gave Penn State chemical engineers the crucial clue needed to discover an easy, versatile new method for making nanofibers that have potential uses in advanced filtration as well as wound care, drug delivery, bioassays and other medical applications.

Posted: Jan 26th, 2006

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Nanomagnetism findings point to new computer technologies based on magnetic spin

Researchers at the U.S. Department of Energy's Argonne National Laboratory are helping to open a new frontier in electronics, to be made up of very small and very fast devices. A new discovery by this group opens a path to new computer technologies and related devices, and could drive entire industries into the future, the researchers say.

Posted: Jan 25th, 2006

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A nanoscanning platform for biological assay

A nanoscanning platform is being developed by Prof. Sang-Gook Kim at the Micro and Nano Systems Laboratory (MNSL) at MIT. The paper describes how the variable stiffness is accomplished by engaging or disengaging electrostatically actuated clutches, in addition to the discussions on many possible benefits of the in-plane scanning platform.

Posted: Jan 25th, 2006

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Scientists develop process for creating biocompatible fibers

Scientists at Virginia Tech have developed a single-step process for creating nonwoven fibrous mats from a small organic molecule ? creating a new nanoscale material with potential applications where biocompatible materials are required, such as scaffolds for tissue growth and drug delivery.

Posted: Jan 25th, 2006

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Development of nanoparticle libraries for biosensing

A team of researchers at the Massachusetts General Hospital has created a large library of nanoparticles, each with a different small molecule decorating its surface. They then screen this library to see if any of the nanoparticles will bind to any number of cancer cells while ignoring healthy cells.

Posted: Jan 25th, 2006

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Laser beams build and hold nanoscale structures

A form of matter held together by nothing more substantial than light has been created by physicists in the UK. The method, known as "optical binding", was used to glue together about 100 polystyrene beads ? each 400-nanometres in diameter ? in a flat two-dimensional structure.

Posted: Jan 24th, 2006

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A single molecule working as the nano scale version of the steam engine

A single molecule working as the nano scale version of the steam engine: that is the molecular motor developed by a group of UT scientists led by prof. Julius Vancso of the MESA+ Institute for Nanotechnology. Natural motor molecules, capable of converting chemical energy into movement, have been the source of inspiration for this new synthetic version: a polymer molecule that stretches and shrinks caused by redox reactions.

Posted: Jan 23rd, 2006

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