Nanomaterials news

Fast, easy, and highly sensitive arsenic detection with gold nanoparticles

Nanotechnology / Nanomaterials

created Nov 25, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...


Cement's basic molecular structure finally decoded

Nanotechnology / Nanomaterials

created Sep 09, 2009 | popularity 4.2 / 5 (16) | comments 5

(PhysOrg.com) -- In the 2,000 or so years since the Roman Empire employed a naturally occurring form of cement to build a vast system of concrete aqueducts and other large edifices, researchers have analyzed the molecular ...


Water droplets direct self-assembly process in thin-film materials

Nanotechnology / Nanomaterials

created Nov 23, 2009 | popularity 5 / 5 (5) | comments 2

You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...


Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotechnology / Nanomaterials

created Nov 24, 2009 | popularity 4 / 5 (2) | comments 0

Novel nanomaterials developed at Rensselaer were sent into orbit on Nov. 16 aboard Space Shuttle Atlantis.


Troublesome green algae serve as coating substrate in record-setting battery

Nanotechnology / Nanomaterials

created Sep 10, 2009 | popularity 3.7 / 5 (10) | comments 9

(PhysOrg.com) -- Unwanted blooms of Cladophora algae throughout the Baltic and in other parts of the world are not entirely without a positive side. A group of researchers at the Angstrom Laboratory at Uppsala University have d ...


Scientists synthesize graphene-like material: Polymer with honeycomb structure

Scientists synthesize graphene-like material: Polymer with honeycomb structure

Nanotechnology / Nanomaterials

created Nov 19, 2009 | popularity 4.7 / 5 (20) | comments 1

Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...


Research gives clues for self-cleaning materials, water-striding robots

Research gives clues for self-cleaning materials, water-striding robots

Nanotechnology / Nanomaterials

created May 04, 2009 | popularity 4.6 / 5 (8) | comments 0

Self-cleaning walls, counter tops, fabrics, even micro-robots that can walk on water -- all those things and more could be closer to reality because of research recently completed by scientists at the University ...


Researchers design new graphene-based, nano-material with magnetic properties

New graphene-based nanomaterial with magnetic properties designed

Nanotechnology / Nanomaterials

created Sep 02, 2009 | popularity 3.1 / 5 (18) | comments 4

An international team of researchers has designed a new graphite-based, magnetic nano-material that acts as a semiconductor and could help material scientists create the next generation of electronic devices ...


Carbonized TiO2 nanotubes with semimetallic properties increase the efficiency of methanol fuel cells

Nanotechnology / Nanomaterials

created Sep 08, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Mention of nanotubes usually means carbon nanotubes. But not all tiny tubes are made of carbon. For example, layers made of nanoscopic titanium dioxide have proven to be useful materials for biotechnology, ...


Plastics that convert light to electricity could have a big impact

Plastics that convert light to electricity could have a big impact

Nanotechnology / Nanomaterials

created Aug 04, 2009 | popularity 4.6 / 5 (12) | comments 5

University of Washington researchers have found a way to measure exactly how much electrical current is carried by tiny bubbles and channels that form inside nanoscale solar cells, paving the way for development ...


Salt block unexpectedly stretches in new experiments

Salt block unexpectedly stretches in new experiments

Nanotechnology / Nanomaterials

created Jun 24, 2009 | popularity 4.6 / 5 (7) | comments 4

To stretch a supply of salt generally means using it sparingly.


Harnessing nanopatterns

Harnessing nanopatterns: Tiny textures can produce big differences

Nanotechnology / Nanomaterials

created Sep 24, 2009 | popularity 5 / 5 (4) | comments 0

(PhysOrg.com) -- Research at MIT has uncovered new information about how nanoscale patterns on the surface of a material can produce significant changes in the way it interacts with liquids. The discovery ...


Friction force differences could offer a new means for sorting and assembling nanotubes

Friction force differences offer new means for manipulating nanotubes

Nanotechnology / Nanomaterials

created Sep 15, 2009 | popularity 4 / 5 (3) | comments 0

(PhysOrg.com) -- Nanotubes and nanowires are promising building blocks for future integrated nanoelectronic and photonic circuits, nanosensors, interconnects and electro-mechanical nanodevices. But some fundamental ...


24-carat gold 'snowflakes' improve graphene's electrical properties

Graphene Used As Floating-Molecular Carpet To Ornament It With 24-Carat Gold 'Snowflakes'

Nanotechnology / Nanomaterials

created Oct 12, 2009 | popularity 4.2 / 5 (6) | comments 0

(PhysOrg.com) -- In an effort to make graphene more useful in electronics applications, Kansas State University engineers made a golden discovery -- gold "snowflakes" on graphene.


Silver Nanoparticles Give Polymer Solar Cells A Boost

Nanotechnology / Nanomaterials

created Oct 05, 2009 | popularity 4.3 / 5 (13) | comments 0

(PhysOrg.com) -- Small bits of metal may play a new role in solar power. Researchers at Ohio State University are experimenting with polymer semiconductors that absorb the sun’s energy and generate electricity. The goal: ...