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Next generation of chiroptical nanomaterials?

Researchers have shown that free-base and nickel porphyrin-diaminopurine conjugates are formed by hydrogen-bond-directed assembly on single-stranded oligothymidine templates of different lengths into helical multiporphyrin nanoassemblies. The nanoassemblies have highly modular structural and chiroptical properties.

Posted: Jan 29th, 2014

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Deformation in detail

Molecular dynamics simulations reveal the mechanisms by which metal nanowires deform or break under strain.

Posted: Jan 29th, 2014

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Nanotechnology and patents in Europe

A new brochure explains how to get started if you want to search for nanotechnology inventions in patent databases, and what to look out for if you are thinking about applying to the European Patent Office for a nanotechnology patent yourself.

Posted: Jan 28th, 2014

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Snapshots of life: Nanotechnology meets cell biology

Many of the most exciting frontiers in biomedical research sound like the stuff of science fiction, but here's some work that even looks like it's straight from the set of Star Trek! This scanning electron micrograph captures the pivotal moment when nanospheres - a futuristic approach to drug delivery - are swallowed up by a human fibroblast cell.

Posted: Jan 28th, 2014

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Lungs may suffer when certain elements go nano

Scientists have been systematically studying the effects of transition metal oxide nanoparticles on human lung cells. These nanoparticles are used extensively in optical and recording devices, water purification systems, cosmetics and skin care products, and targeted drug delivery, among other applications.

Posted: Jan 28th, 2014

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Ausgerichtete DNA-Drähte für die Nanoelektronik

Da die anhaltende Miniaturisierung elektronischer Bauelemente bald an ihre physikalischen Grenzen stößt, suchen Forscher nach neuen Herstellungsmethoden. Einen aussichtsreichen Ansatz liefert DNA-Origami, bei dem sich Einzelstränge des Biomoleküls selbstständig zu beliebig geformten Nanostrukturen zusammenfinden.

Posted: Jan 28th, 2014

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Computing with silicon neurons

Scientists from Berlin and Heidelberg use artifical nerve cells to classify different types of data. Thus, they may recognize handwritten numbers, or distinguish plant species based on their flowers.

Posted: Jan 27th, 2014

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Ultra-tiny nanocomputer may point the way to further miniaturization in industry

An interdisciplinary team of scientists and engineers from The MITRE Corporation and Harvard University have taken key steps toward ultra-small electronic computer systems that push beyond the imminent end of Moore's Law, which states that the device density and overall processing power for computers will double every two to three years.

Posted: Jan 27th, 2014

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