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 Nanotechnology
19 November 2009
Sunscreen, cosmetics cause genetic damage
Titanium dioxide nanoparticles - found in common household products such as cosmetics, sunscreen and vitamins – were found to cause systemic genetic damage in mice...
23 October 2009
Brain can "tidy-up" nanojunk, say Swedish boffins
Concerns about the biological safety of nanotechnology are being voiced by the medical community, but Swedish researchers say that their experiments with rats show that the brain can effectively deal with any bits of nanowaste that might find their way there...
31 August 2009
Nano-scale plasmon laser breaks size barrier
A new milestone in laser physics has been reached with the creation of the world's smallest semiconductor laser, capable of generating coherent visible light in a space smaller than a single protein molecule...
27 April 2009
Nano-mechanical sensors "wired" using photonics
Yale researchers have demonstrated silicon-based nano-cantilevers, smaller than the wavelength of light, that operate on photonic principles eliminating the need for electric transducers and expensive laser setups...
3 April 2009
Battery built from GM viruses
Researchers have genetically engineered viruses to build both the positively and negatively charged ends of a lithium-ion battery. The new virus-produced batteries have the same energy capacity and power performance as the state-of-the-art rechargeable batteries being considered to power plug-in hybrid cars...
30 April 2008
Nanoparticle Laced Wastewater Could Compromise Treatment Plants
The silver nanoparticles used in a growing number of consumer products can wreak havoc with the benign bacteria that are used by water treatment plants to remove ammonia from wastewater...
22 January 2008
Tweaking Diatoms For Nanofabrication Duties
Unicellular algae known as diatoms could represent the next big breakthrough in computer chip technology...
19 January 2007
"Walking" Molecule Does Some Work
A molecule that scientists designed to be able to move in a straight line on a flat surface has now been fitted with some additional molecular bits and pieces that allow it to carry a load...
29 September 2006
Nanotech Gone Bad: Who You Gonna Call?
There's no doubt that the development of micro-machines the size of a molecule will affect humanity as fundamentally as the Industrial Revolution did. But like any other technology, there are going to be some downsides...
16 November 2006
Nanotech Challenges Identified
Humanity is in danger of squandering the potential of nanotechnology due to a lack of clear information about its risks, says a new nanotechnology taskforce...
31 March 2006
From Little Things, Big Conundrums Grow
Nanotech’s impact on humanity will be enormous, so the Center for Responsible Nanotechnology has formed a special task force comprised of experts from multiple disciplines charged with: “developing comprehensive recommendations for the safe and responsible use of nanotechnology”. But is a collaborative network of big-brained individuals really enough to control the nanotech genie once it’s out of the bottle?
1 March 2006
New And Improved Insta-Nanotube!
Scientists have stumbled on to a way to get nanotubes to spontaneously take shape into complex hexagonal networks on the surface of a layered crystal...
19 October 2005
Nanomaterial Error-Correction Process Mimics Nature
Researchers are using a new error-correction process based on catalytic DNA to control the assembly of nanoparticles...
27 September 2005
Novel "Walking" Molecule Mooted For Nano-Abacus
A molecule that "walks" in a straight line much like a human could be the building block for molecular computers that, in something of a retro fashion, work like an abacus...
3 August 2005
Disease Seeking Nanoprobes Get Glowing Report
Disease diagnostics could improve dramatically with a nanoprobe that lights up only when activated by defective proteases that are a common sign of cancer and many other diseases...
27 July 2005
Nanoparticles Transport Gene Therapy
Instead of using potentially toxic and unstable viral vectors, scientists say they can now accomplish gene delivery using custom made nanoparticles...
25 October 2004
Nano-Fabric Reveals Unique Properties
Graphene, the world's first single-atom-thick fabric, heralds a new class of materials and may lead to computers made from a single molecule...
27 September 2004
Novel Nanotubes Terminate Bio-Nasties
Scientists have synthesized a simple molecule that produces perfectly uniform, self-assembled nanotubes which can be trained to kill bacteria...
30 August 2004
Nanoparticles Go Green
Scientists are using proteins to design and assemble metal oxide nanoparticles that could be used to clean up environmental pollution...
13 August 2004
RNA Used As Nano-Scaffolding
Biology builds beautiful nanoscale structures, and we'd like to borrow some of them for nanotechnology, say researchers...
4 December 2003
Molecular Memory Durability Demonstrated
Researchers have been skeptical that molecular devices could survive the rigors of real-world use but a new study has demonstrated that molecular memories are indeed both durable and practical...
27 July 2003
Physicists Build Nano Motor
A Berkeley physicist has created the first nano-scale motor - a gold rotor on a nanotube shaft that could ride on the back of a virus...
24 July 2003
Nanoscale Self-Assembly Demonstrated
Scientists have demonstrated a technique that could one day allow electronic devices to assemble themselves automatically...
26 June 2003
First 3D Nano-Structure Announced
A new, three-dimensional designer material assembled from two different types of particles only billionths of a meter across has been created...
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