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Probing the secret to bone's strength

New research reveals for the first time the role of bone's atomistic structure in a toughening mechanism that incorporates several previously proposed theories.

Posted: Aug 27th, 2007

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DNA nanotechnology center opens in Denmark

The University of Aarhus celebrated the opening of its new Centre for DNA Nanotechnology last week as a giant leap into the future of fighting disease using the building blocks of the human body.

Posted: Aug 25th, 2007

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Nanotweezers unlock anticancer drug secrets

The annoying bulges of an overwound telephone cord that shorten its reach and limit a caller's motion help explain why drugs called camptothecins are so effective in killing cancer cells.

Posted: Aug 22nd, 2007

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Nanotubes enable new approach to cancer radiotherapy

In an important step toward realizing the potential of radionuclide-loaded nanoparticles as radiotherapeutic agents, scientists have demonstrated that ultrashort carbon nanotubes will permanently entrap the potent alpha particle emitting element astatine-211, which has a half-life of 7.2 hours.

Posted: Aug 22nd, 2007

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Targeting quantum dots to deliver SiRNA therapy

Take a quantum dot, add a coating of poly(ethylene glycol) (PEG), and attach a homing peptide and a piece of small interfering RNA (siRNA), and the result is a targeted nanoparticle that can stop the production of a specific protein by a targeted cell.

Posted: Aug 22nd, 2007

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