Nanotechnology News – Latest Headlines

Atomtronics: A new phase

Just as NASA engineers test new rocket designs in computer studies before committing themselves to full prototypes, so physicists will often model matter under various circumstances to see whether something new appears. This is especially true of atomtronics, a relatively new science devoted to creating artificial tailored materials consisting of neutral atoms held in an array with laser beams, or atoms moving along a desired track under electric or magnetic influence. A new study shows how a simple "joystick" consisting of an adjustable magnetic field can create several new phases of atomtronic matter, several of them never seen before.

Feb 19th, 2012

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Living model of brain tumor to test effectiveness of nanoparticles

Researchers have created a living 3-D model of a brain tumor and its surrounding blood vessels. In experiments, the scientists report that iron-oxide nanoparticles carrying the agent tumstatin were taken by blood vessels, meaning they should block blood vessel growth. The living-tissue model could be used to test the effectiveness of nanoparticles in fighting other diseases.

Feb 18th, 2012

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Wie Falten in Graphen entstehen und verschwinden

Nanowissenschaftler konnten Folgendes herausfinden: Waehrend des Abkuehlens werden die "Maschen" des Graphengitters gequetscht, bis zur Entlastung Falten entstehen. Umgekehrt werden die Maschen beim Aufheizen erst ordentlich auseinandergezogen, bevor die Falte wieder verschwindet.

Feb 17th, 2012

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Inspired by gecko feet, scientists invent super-adhesive material

For years, biologists have been amazed by the power of gecko feet, which let these 5-ounce lizards produce an adhesive force roughly equivalent to carrying nine pounds up a wall without slipping. Now, a team of polymer scientists and a biologist at the University of Massachusetts Amherst have discovered exactly how the gecko does it, leading them to invent "Geckskin", a device that can hold 700 pounds on a smooth wall.

Feb 17th, 2012

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Emerging from the vortex

A theory that accurately describes the properties of relativistic electron vortex beams will impact applications such as electron microscopy.

Feb 17th, 2012

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