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Wenn alle an der DNA zerren

Wissenschaftlern ist eine quantitative Beschreibung von DNA-Ringen gelungen, sodass nun molekulare Eigenschaften wie etwa die Steifigkeit und der DNA-Durchmesser in nanoskopische Groessen wie Form und Ausdehnung des Polymerrings uebersetzt werden koennen.

Posted: Mar 17th, 2010

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Research finds weakest chemical bonds produce materials stronger than steel

Since its development in China thousands of years ago, silk from silkworms, spiders and other insects has been used for high-end, luxury fabrics as well as for parachutes and medical sutures. Now, National Science Foundation-supported researchers are untangling some of its most closely guarded secrets, and explaining why silk is so super strong.

Posted: Mar 17th, 2010

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