News tagged with gold surface

Single-Molecule Magnets Open New Door for Information Technology

(PhysOrg.com) -- Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state. Their work is a first step toward a new generation ...

Physics / Condensed Matter

created Mar 09, 2009 | popularity 4.7 / 5 (24) | comments 2 feature

Researchers create 3-D invisibility cloak: study

European researchers have taken the world a step closer to fictional wizard Harry Potter's invisibility cape after they made an object disappear using a three-dimensional "cloak", a study published Thursday in the US-based ...

Physics / General Physics

created Mar 18, 2010 | popularity 4.4 / 5 (16) | comments 6

What a ride! Researchers take molecules for a spin (w/ Video)

(PhysOrg.com) -- Kolomeisky and Rice graduate student Alexey Akimov have taken a large step toward defining the behavior of these molecular whirligigs with a new paper in the American Chemical Society's Journal of Physical ...

Nanotechnology / Nanophysics

created Feb 01, 2011 | popularity 5 / 5 (8) | comments 1 | with audio podcast

Solved: The mystery of the nanoscale crop circles

(PhysOrg.com) -- Almost three years ago a team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) was performing an experiment in which layers of gold mere ...

Nanotechnology / Nanophysics

created Mar 02, 2012 | popularity 3.8 / 5 (10) | comments 4 | with audio podcast

Graphene nanoribbons grow due to domino-like effect

(PhysOrg.com) -- While many labs are trying to efficiently synthesize large two-dimensional sheets of graphene, a team of researchers from Sweden and the UK is investigating the synthesis of very thin strips ...

Nanotechnology / Nanomaterials

created Sep 15, 2011 | popularity 4.6 / 5 (8) | comments 1 | with audio podcast feature

DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...

Nanotechnology / Bio & Medicine

created Jan 23, 2012 | popularity 4.3 / 5 (8) | comments 0 | with audio podcast feature

Researchers Holding Steady in an Atomic-Scale Tug-of-War

(PhysOrg.com) -- How hard do you have to pull on a single atom of -- let's say -- gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that ...

Nanotechnology / Nanophysics

created Mar 31, 2010 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Narrowest bridges of gold are also the strongest, study finds

At an atomic scale, the tiniest bridge of gold -- that made of a single atom -- is actually the strongest, according to new research by engineers at the University at Buffalo's Laboratory for Quantum Devices.

Nanotechnology / Nanophysics

created Jul 13, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Biosensor chip enables high-sensitivity protein analysis for disease diagnosis

In the battle against cancer and other diseases, precise analysis of specific proteins can point the way toward targeted treatments. Scientists at the Technische Universitaet Muenchen (TUM, Germany), together ...

Nanotechnology / Bio & Medicine

created Apr 22, 2010 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Nanoneedle is small in size, but huge in applications

(PhysOrg.com) -- Researchers at the University of Illinois have developed a membrane-penetrating nanoneedle for the targeted delivery of one or more molecules into the cytoplasm or the nucleus of living cells. ...

Nanotechnology / Bio & Medicine

created Apr 28, 2009 | popularity 5 / 5 (4) | comments 0

Harnessing nanopatterns: Tiny textures can produce big differences

(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 ...

Nanotechnology / Nanomaterials

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

Prediction of intrinsic magnetism at silicon surfaces could lead to single-spin magnetoelectronics

The integration of single-spin magnetoelectronics into standard silicon technology may soon be possible, if experiments confirm a new theoretical prediction by physicists at the Naval Research Laboratory and ...

Physics / Condensed Matter

created Aug 26, 2010 | popularity 5 / 5 (4) | comments 1 | with audio podcast

A New Family of Molecules for Self-Assembly: The Carboranes

(PhysOrg.com) -- To be useful in real-world applications, a self-assembled monolayer (SAM) of molecules on a surface must have a stable and controllable geometry. Researchers at Penn State and the Sigma-Aldrich ...

Nanotechnology / Nanomaterials

created Mar 24, 2009 | popularity 4.3 / 5 (3) | comments 0

Cobblestones fool innate immunity

Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity 5 / 5 (2) | comments 0

All smoothed out: Hydroxyl radicals remove nanoscopic irregularities on polished gold surfaces

(PhysOrg.com) -- The precious metal gold is the material of choice for many technical applications because it does not corrode - and because it also has interesting electrical, magnetic, and optical properties. Gold is thus ...

Chemistry / Materials Science

created Jan 14, 2010 | popularity 4 / 5 (2) | comments 0 | with audio podcast