Nanotechnology News

Nov 18, 2009 | 5 / 5 (3) | 0

If you're watching the complex processes in a living cell, it is easy to miss something important—especially if you are watching changes that take a long time to unfold and require high-spatial-resolution ...

A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents

Nov 19, 2009 | 5 / 5 (3) | 0

(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...

Imaging a catalyst one atom at a time

Nov 09, 2009 | 5 / 5 (3) | 2

(PhysOrg.com) -- The catalytic processes that facilitate the production of many chemicals and fuels could become much more environmentally friendly thanks to a breakthrough achieved by researchers from Lehigh ...

New nanocrystalline diamond probes overcome wear

Nov 10, 2009 | 4.3 / 5 (3) | 0

Researchers at the McCormick School of Engineering and Applied Science at Northwestern University have developed, characterized, and modeled a new kind of probe used in atomic force microscopy (AFM), which images, measures, ...

How Size Matters For Catalysts: Study Links Size, Activity, Electronic Properties

Nov 05, 2009 | 3.7 / 5 (3) | 0

(PhysOrg.com) -- University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical ...

When It Comes to Drug Delivery, Size Matters

Nov 20, 2009 | 5 / 5 (2) | 0

(PhysOrg.com) -- One of the great promises of nanotechnologies lies in its ability to create drug-containing nanoparticles decorated with targeting molecules that recognize and bind to cancer cells, providing drug delivery ...

Highlight: STM banopatterning on pristine Nb-doped SrTiO3 surfaces

Nov 04, 2009 | 5 / 5 (2) | 0

Collaborative users from the Advanced Photon Source at the Argonne National Laboratory, working with the Electronic & Magnetic Materials & Devices Group, have found a controllable way to modify the surfaces ...

In touch with molecules

Nov 12, 2009 | 5 / 5 (2) | 1

The performance of modern electronics increases steadily on a fast pace thanks to the ongoing miniaturization of the utilized components. However, se-vere problems arise due to quantum-mechanical phenomena ...

Understanding mechanical properties of silicon nanowires paves way for nanodevices

Nov 11, 2009 | 3.3 / 5 (3) | 0

Silicon nanowires are attracting significant attention from the electronics industry due to the drive for ever-smaller electronic devices, from cell phones to computers. The operation of these future devices, ...

LLNL licenses carbon nanotube technology to local company

Nov 12, 2009 | 5 / 5 (2) | 0

Lawrence Livermore National Laboratory has exclusively licensed to Porifera Inc. of Hayward a carbon nanotube technology that can be used to desalinate water and can be applied to other liquid based separations.

Highlight: Damping of acoustic vibrations in gold nanoparticles

Nov 19, 2009 | 4 / 5 (2) | 0

Vibrations in nanostructures offer applications in molecular-scale biological sensing and ultrasensitive mass detection. To approach single-atom sensing, it is necessary to reduce the dimensions of the structures ...

Nanotech in Space: Experiment To Weather the Trials of Orbit

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

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

Knocking nanoparticles off the socks

Oct 28, 2009 | 3 / 5 (2) | 0

Scientists in Switzerland are reporting results of one of the first studies on the release of silver nanoparticles from laundering those anti-odor, anti-bacterial socks now on the market. Their findings, scheduled ...

Magnetic Nanotags Spot Cancer in Mice Earlier Than Current Methods