Nanotweezers Unlock Anticancer Drug Secrets

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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, according to investigators led by Mary-Ann Bjornsti, Ph.D., at St. Jude Children’s Research Hospital, and Nynke Dekker, Ph.D., at Delft Technology University.


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All News summaries for August 22, 2007

Air-purifying church windows early nanotechnology

Aug 21, 2008 | User rating: not rated yet
Stained glass windows that are painted with gold purify the air when they are lit up by sunlight, a team of Queensland University of Technology experts have discovered.

New 'nano-positioners' may have atomic-scale precision

Aug 20, 2008 | User rating: not rated yet
Engineers have created a tiny motorized positioning device that has twice the dexterity of similar devices being developed for applications that include biological sensors and more compact, powerful computer ...

Unregulated nanoparticles from diesel engines inhibit lungs

Aug 20, 2008 | User rating: not rated yet
(PhysOrg.com) -- Diesel engines emit countless carbon nanoparticles into the air, slipping through government regulation and vehicle filters. A new University of Michigan simulation shows that these nanoparticles can get ...

An Unconventional Metal

Aug 20, 2008 | User rating: not rated yet
The semiconductor silicon and the ferromagnet iron are the basis for much of mankind's technology, used in everything from computers to electric motors. In this week's issue of the journal Nature (August ...

Light touch: Controlling the behavior of quantum dots

Aug 19, 2008 | User rating: not rated yet
Researchers from the National Institute of Standards and Technology and the Joint Quantum Institute (JQI), a collaborative center of the University of Maryland and NIST, have reported a new way to fine-tune ...
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