News tagged with nanoscale structure

Light touch keeps a grip on delicate nanoparticles

(Phys.org) -- Using a refined technique for trapping and manipulating nanoparticles, researchers at the National Institute of Standards and Technology (NIST) have extended the trapped particles' useful life ...

Nanotechnology / Bio & Medicine

created May 03, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Imaging complex domain wall structures in magnetic nanostripes

(Phys.org) -- Researchers from the NIST Center for Nanoscale Science and Technology and Massachusetts Institute of Technology have used the scanning electron microscopy with polarization analysis (SEMPA) technique to provide ...

Nanotechnology / Nanophysics

created Apr 19, 2012 | popularity 5 / 5 (1) | comments 0

New nano-material combinations produce leap in infrared technology

Arizona State University researchers are finding ways to improve infrared photodetector technology that is critical to national defense and security systems, as well as used increasingly in commercial applications and consumer ...

Nanotechnology / Nanophysics

created Feb 14, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Zinc-finger proteins act as site-specific adapters for DNA-origami structures

(PhysOrg.com) -- DNA is not merely a carrier of genetic information; DNA is a useful building material for nanoscale structures. In a way similar to origami, the Japanese art of paper folding, a long single ...

Chemistry / Biochemistry

created Feb 02, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A spider web's strength lies in more than its silk

While researchers have long known of the incredible strength of spider silk, the robust nature of the tiny filaments cannot alone explain how webs survive multiple tears and winds that exceed hurricane strength.

Technology / Computer Sciences

created Feb 01, 2012 | popularity 4.7 / 5 (11) | comments 0 | with audio podcast

DNA motor programmed to navigate a network of tracks

Expanding on previous work with engines traveling on straight tracks, a team of researchers at Kyoto University and the University of Oxford have successfully used DNA building blocks to construct a motor ...

Nanotechnology / Bio & Medicine

created Jan 22, 2012 | popularity 5 / 5 (8) | comments 2 | with audio podcast

A baby crystal is born

Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals. Now scientists have determined that a structure comprising 32 lead-sulfur pairs is the smallest ...

Physics / Condensed Matter

created Jan 17, 2012 | popularity 5 / 5 (1) | comments 2

Carving at the nanoscale

Researchers at the Catalan Institute of Nanotechnology have successfully demonstrated a new method for producing a wide variety of complex hollow nanoparticles. The work, published this week in Science, applies well known ...

Nanotechnology / Nanomaterials

created Dec 08, 2011 | popularity 4.4 / 5 (5) | comments 0

'Nature's armor' could help engineers design stronger materials

(PhysOrg.com) -- In nature, the strength of mother-of-pearl is a key to survival for some shellfish. Now a team led by Xiaodong Li, an engineering professor at the University of South Carolina, has posited an explanation ...

Nanotechnology / Nanomaterials

created Nov 14, 2011 | popularity 4.8 / 5 (6) | comments 3 | with audio podcast

Researchers ink nanostructures with tiny 'soldering iron'

Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...

Nanotechnology / Nanophysics

created Nov 07, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Researchers fabricate DNA strands on a reusable chip, fold them into novel nanostructures

In the emerging field of synthetic biology, engineers use biological building blocks, such as snippets of DNA, to construct novel technologies. One of the key challenges in the field is finding a way to quickly and economically ...

Nanotechnology / Bio & Medicine

created Oct 31, 2011 | popularity 5 / 5 (3) | comments 0

Borrowing from brightly-colored birds: Physicists develop lasers inspired by nature

Researchers at Yale University are studying how two types of nanoscale structures on the feathers of birds produce brilliant and distinctive colors. The researchers are hoping that by borrowing these nanoscale ...

Physics / Optics & Photonics

created Oct 12, 2011 | popularity 4.3 / 5 (6) | comments 1 | with audio podcast

Hidden beauty of the nano-cosmos

When researchers receive prizes, it is usually to honour their scientific work. However, the photographs from the scanning electron microscope, taken by Siddhartha Pathak during his postdoctoral time at Empa ...

Nanotechnology / Nanophysics

created Oct 12, 2011 | popularity 5 / 5 (3) | comments 1

Nanomaterials: Pillars of the assembly

The ever-increasing demand for enhanced performance in electronic devices such as solar cells, sensors and batteries is matched by a need to find ways to make smaller electrical components. Several techniques ...

Nanotechnology / Nanomaterials

created Sep 29, 2011 | popularity 4 / 5 (2) | comments 1

Tiny wires change behavior at nanoscale

Thin gold wires often used in high-end electronic applications are wonderfully flexible as well as conductive. But those qualities don't necessarily apply to the same wires at the nanoscale.

Nanotechnology / Nanomaterials

created Aug 29, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast