Nanotechnology News - May 2008 Archives

Carbon nanoribbons hold out possibility of smaller, speedier computer chips (5/31/2008)

Using graphene, researchers develop field-effect transistor that can operate at room temperature ...> Full Article

Nanoparticles assemble by millions to encase oil drops (5/31/2008)

Designer 'nanobatons' could be used to trap oil, deliver drugs ...> Full Article

Breakthrough results in super-hard nanocrystalline iron that can take the heat (5/30/2008)

Researchers have created a substance far stronger and harder than conventional iron, and which retains these properties under extremely high temperatures - opening the door to a wide variety of potential applications, such as engine components that are exposed to high stress and high temperatures. ...> Full Article

Chemists Create Cancer-Detecting Nanoparticles (5/29/2008)

A team has created the smallest iron oxide nanoparticles to date for cancer detection by magnetic resonance imaging (MRI). The magnetic nanoparticles operate like tiny guided missiles, seeking and attaching themselves to malignant tumor cells. Once they bind, the particles emit stronger signals that MRI scans can detect. ...> Full Article

Magnetic nanoparticles: suitable for cancer therapy? (5/29/2008)

A measuring procedure can help to investigate in some detail the behaviour of magnetic nanoparticles which are used for cancer therapy. ...> Full Article

Scientists Create New Nanotube Structures (5/28/2008)

Researchers are developing techniques to coax carbon nanotubes to self-assemble into ordered structures - essentially making the nanotubes do the hard work for them. ...> Full Article

Failed HIV Drug Gets Second Chance with Addition of Gold Nanoparticles (5/25/2008)

Researchers have discovered that adding tiny bits of gold to a failed HIV drug rekindle the drug's ability to stop the virus from invading the body's immune system. ...> Full Article

Fabrics that render toxins harmless (5/24/2008)

Fiber scientist is working with the U.S. government to create fabrics made of functional nanofibers that would decompose toxic industrial chemicals into harmless byproducts. ...> Full Article

Fluorescent nano-barcodes could revolutionise diagnostics (5/23/2008)

A new technology with research and clinical application including the early detection of disease ...> Full Article

Carbon nanotubes that look like asbestos, behave like asbestos (5/21/2008)

New study shows inhaling long, thin carbon nanotubes may result in asbestos-related disease ...> Full Article

Spin control: New technique sorts nanotubes by length (5/18/2008)

Researchers have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges ...> Full Article

Nanostructures Will Raise Thin-Film Solar Cell Efficiency (5/17/2008)

Thanks to nanostructures that scatter and channel light, electrical engineers are working toward thin-film "single junction" solar cells with the potential for nearly 45 percent sunlight-to-electricity conversion efficiencies. ...> Full Article

Held together by metal-metal bonds: a large ring containing 36 gold atoms (5/16/2008)

Chinese researchers have recently made a "golden crown" with a diameter of only a few nanometers ...> Full Article

Nanowires May Boost Solar Cell Efficiency (5/15/2008)

Electrical engineers have created experimental solar cells spiked with nanowires that could lead to highly efficient thin-film solar cells of the future. ...> Full Article

Federal Government Taps NC State Experts To Explain Nanotech Risks (5/13/2008)

The arm of the federal government responsible for coordinating nanotechnology research and regulations across the country has called on experts from North Carolina State University to craft a white paper that will lay out how government and industry officials should communicate potential risks associated with nanotechnology to the media and the public ...> Full Article

Scientists demonstrate method for integrating nanowire devices directly onto silicon (5/10/2008)

Fabrication technique could yield low-cost, scalable nanowire photonic and electronic circuits ...> Full Article

Researchers Target Tumors with Tiny 'Nanoworms' (5/9/2008)

Researchers have developed nanometer-sized "nanoworms" that can cruise through the bloodstream without significant interference from the body's immune defense system and-like tiny anti-cancer missiles-home in on tumors. ...> Full Article

Chemists measure chilli sauce hotness with nanotubes (5/8/2008)

chemists have found a way of using carbon nanotubes to judge the heat of chilli sauces ...> Full Article

Contact through silver particles in ink (5/7/2008)

Researchers print the conductor paths ...> Full Article

Nanotube production leaps from sooty mess in test tube to ready formed chemical microsensors (5/7/2008)

Researchers have found a way of producing carbon nanotubes in which they instantly form a highly sensitive ready made electric circuit ...> Full Article

ICON releases global research needs assessment for nanotechnology (5/5/2008)

Diverse group of stakeholders takes on challenge of predicting nanotechnology's risks ...> Full Article

Melting defects could lead to smaller, more powerful microchips (5/5/2008)

As microchips shrink, even tiny defects in the lines, dots and other shapes etched on them become major barriers to performance. Engineers have now found a way to literally melt away such defects, using a process that could dramatically improve chip quality without increasing fabrication cost. ...> Full Article

Nanoengineered barrier invented to protect plastic electronics from water degradation (5/5/2008)

World's best protection from moisture and oxygen ...> Full Article

Tracking the spread of cancer: Nano-sized particles hunt down cancer cells (5/4/2008)

Pioneering the use of nanomedicine to catch the spread of cancer at its earliest stage is the focus of one of 76 new research grants announced today by the Canadian Cancer Society. ...> Full Article

Go Speed Racer! Revving up the world's fastest nanomotors (5/4/2008)

In a "major step" toward a practical energy source for powering tomorrow's nanomachines, researchers in Arizona report development of a new generation of sub-microscopic nanomotors that are up to 10 times more powerful than existing motors ...> Full Article

Graphene-based gadgets may be just years away (5/3/2008)

Researchers have produced tiny liquid crystal devices with electrodes made from graphene - an exciting development that could lead to computer and TV displays based on this technology. ...> Full Article

$25M CU-Saudi link will boost nanoscale research (5/3/2008)

Research to include water desalination, carbon capture and solar energy ...> Full Article

Too Much Technology May Be Killing Beneficial Bacteria (5/2/2008)

Engineer concerned about environmental impact of silver nanoparticles in wastewater treatment ...> Full Article

Spiraling nanotrees offer new twist on growth of nanowires (5/2/2008)

New way of growing nanowires may be useful in high-performance integrated circuits, biosensors, solar cells, LEDs and lasers. ...> Full Article

Making a Good Impression: Nanoimprint Lithography Tests (5/1/2008)

In what should be good news for integrated circuit manufacturers, recent studies have helped resolve two important questions about an emerging microcircuit manufacturing technology called nanoimprint lithography-yes, it can accurately stamp delicate insulating structures on advanced microchips, and, no, it doesn't damage them, in fact it makes them better. ...> Full Article

Scientists make chemical cousin of DNA for use as new nanotechnology building block (5/1/2008)

Researchers are using DNA to make intricate nano-sized objects ...> Full Article