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Nanotechnology General News

The latest news from academia, regulators
research labs and other things of interest

Expanding particles to engineer defects

Materials scientists have long known that introducing defects into three-dimensional materials can improve their mechanical and electronic properties. Now a new study finds how defects affect two-dimensional crystalline structures, and the results hold information for designing new materials.

Posted: Apr 8th, 2014

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Scientists disagree on responsible research

New research reveals that the scientists place great emphasis on behaving responsibly; they just disagree on what social responsibility in science entails. Responsibility is, in other words, a matter of perspective.

Posted: Apr 8th, 2014

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Domain walls in nanowires cleverly set in motion

Researchers have achieved a major breakthrough in the development of methods of information processing in nanomagnets. Using a new trick, they have been able to induce synchronous motion of the domain walls in a ferromagnetic nanowire.

Posted: Apr 8th, 2014

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Scalable CVD process for making 2-D molybdenum diselenide

Researchers have unveiled a potentially scalable method for making one-atom-thick layers of molybdenum diselenide - a highly sought semiconductor that is similar to graphene but has better properties for making certain electronic devices like switchable transistors and light-emitting diodes.

Posted: Apr 8th, 2014

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The role of magnetic nanoparticles in breast cancer treatment

This evolving treatment approach involves the injection of nanoparticles into the tumor, which are then activated with magnetic energy. Once activated the nanoparticles produce heat inside the cancer cell. The heat kills the cancer cell with minimal damage to surrounding tissue.

Posted: Apr 8th, 2014

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Ein Nano-Mäntelchen aus Gold

Forscher beobachten die Entstehung einer goldenen Nanohuelle um kleine Glaskugel - Grundlage für gezielte Partikelherstellung.

Posted: Apr 8th, 2014

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Gold nanorods attach to, kill bladder cancer cells

Bladder cancer cells overexpress the protein EGFR; gold nanorods can be engineered to attach to EGFR proteins; and then the application of low-intensity laser to the tissue can preferentially heat these gold nanorods, killing the EGFR-rich cancer cells to which they are attached.

Posted: Apr 8th, 2014

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Even thinner solar cells through use of nanoparticles?

Researchers have measured how irregularly distributed silver particles influence the absorption of light. They demonstrated that nanoparticles interact with one another via their electromagnetic near-fields, so that local 'hot spots' arise where light is concentrated especially strongly.

Posted: Apr 7th, 2014

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Organic solar cells more efficient with molecules face-to-face

New research reveals that energy is transferred more efficiently inside of complex, three-dimensional organic solar cells when the donor molecules align face-on, rather than edge-on, relative to the acceptor. This finding may aid in the design and manufacture of more efficient and economically viable organic solar cell technology.

Posted: Apr 7th, 2014

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