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News tagged with atom gold

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

NMR used to determine whether gold nanoparticles exhibit 'handedness'

Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny ...

Nanotechnology / Bio & Medicine

created Dec 08, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Preparing a homogenous haystack

(PhysOrg.com) -- What if you could turn the whole haystack into needles? Instead of hunting for one item, you’d have 10 billion of the desired items laid out neatly in front of you. That’s what researchers ...

Nanotechnology / Nanomaterials

created Nov 28, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Nanoparticle imaging: A resonant improvement

Raman spectroscopy is a powerful technique for analyzing atomic structure based on the inelastic scatter of light from molecules, with diverse applications including medical imaging and chemical sensing. Researchers ...

Nanotechnology / Bio & Medicine

created Oct 28, 2011 | popularity 5 / 5 (1) | comments 0

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

Cosmic crashes forging gold: Nuclear reactions in space do produce the heaviest elements

(PhysOrg.com) -- Collisions of neutron stars produce the heaviest elements such as gold or lead. The cosmic site where the heaviest chemical elements such as lead or gold are formed has most likely been identified: ...

Space & Earth / Astronomy

created Sep 09, 2011 | popularity 4.8 / 5 (25) | comments 46 | 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

Better lasers for optical communications

A new laser procedure could boost optical fiber communications. This technique could become essential for the future expansion of the Internet. It also opens up new frontiers in basic research.

Nanotechnology / Nanophysics

created Apr 12, 2011 | popularity not rated yet | comments 0

Rapid etching X-rayed: Physicists unveil processes during fast chemical dissolution

A breakthrough in the study of chemical reactions during etching and coating of materials was achieved by a research group headed by Kiel physicist, Professor Olaf Magnussen. The team from the Christian-Albrechts-Universitat ...

Physics / Condensed Matter

created Mar 23, 2011 | popularity 5 / 5 (1) | comments 0

Fingerprints of a gold cluster revealed

Nanometre-scale gold particles are currently intensively investigated for possible applications in catalysis, sensing, photonics, biolabelling, drug carriers and molecular electronics. The particles are prepared ...

Chemistry / Materials Science

created Feb 28, 2011 | popularity not rated yet | comments 0

Engineer shrinks 'U' logo

In an example of how a technology wonk displays school spirit, an engineer has created a golden University of Utah logo that is smaller than the width of an average human hair.

Nanotechnology / Nanomaterials

created Sep 17, 2010 | popularity not rated yet | comments 0

The perfect nanocube: Precise control of size, shape and composition

(PhysOrg.com) -- With growing interest in using nanoparticles for everything from antibacterial socks to medical imaging to electronic devices, the need to understand the environmental, health and safety risks ...

Nanotechnology / Nanomaterials

created Sep 01, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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

An Alchemist's Dream: Superatoms Mimic Elements

(PhysOrg.com) -- Dr. Will Castleman and his team have discovered clusters of atoms that mimic some of the properties of other elements. Called "superatoms," these clusters of atoms behave like a single "superatom" ...

Chemistry / Materials Science

created Jul 29, 2010 | popularity 4.9 / 5 (8) | comments 3

Scientists provide an atomic view of the destruction caused by radiation in extreme environments

(PhysOrg.com) -- In extreme environments, some materials quickly recover from being hit by energetic ions, while other materials are permanently scarred, according to scientists at Pacific Northwest National ...

Chemistry / Materials Science

created Jul 16, 2010 | popularity 5 / 5 (2) | comments 0