Nanotechnology



1 May 2013

Scientists merge electronics with bio-printed ear


Using off-the-shelf 3D printing tools, Princeton scientists have built a functional cell-cultured ear that can "hear" radio frequencies...

17 April 2013

"Nanosponge" removes toxins from bloodstream


Nanoengineers say they have created a "nanosponge" that is capable of safely removing a broad class of dangerous substances from the bloodstream - including toxins produced by MRSA, E. coli, venomous snakes, and bees...

9 November 2010

Nanogenerator powers conventional electronics


Electronic gadgets that don't require charging are a step closer after the successful demonstration of a nanoscale generator that produces enough electricity from mechanical movement to power a LCD display...

13 May 2010

Molecular "robot" built from DNA


A team of scientists have programmed an autonomous molecular "robot" made out of DNA to start, move, turn, and stop while following a DNA track...

19 April 2010

Neural implant "melts" onto brain


Scientists have developed a brain implant that essentially melts into place, snugly fitting to the brain's surface. According to the development team, the ultrathin flexible implants, made partly from silk, can record brain activity more faithfully than thicker implants embedded with similar electronics...

12 April 2010

Artificial photosynthesis: modified virus splits water


MIT researchers have found a novel way to mimic the process by which plants use sunlight to split water into hydrogen and oxygen. They used a modified virus as a "biological scaffold" that can assemble the nanoscale components needed to split a water molecule into hydrogen and oxygen atoms...

3 March 2010

New concerns over nanosilver


Scientists have found that when nanosilver - a nanoparticle growing in popularity as a bactericidal agent - is suspended in solution, its toxicity increases tenfold, causing birth defects and death in aquatic species...

17 December 2009

Bacteria used to crank-up tiny machines


Scientists have created hybrid biomechanical systems driven by bacteria and controlled by manipulation of oxygen levels...

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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