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Scientists uncover Black Widow Spider Silk…stronger than Kevlar

Posted on June 15, 2007 by CD



LOS ANGELES, June 14, 2007 (AFP) – The prospect of super-strength military body armor inspired by silk from deadly black widow spiders has moved a step closer after research revealed by a US university.
Vitacost.com
Scientists at the University of California, Riverside, outside Los Angeles, have identified the genes and DNA sequences for two key proteins used in the “dragline” silk of the tiny but lethal spiders found in the region.
The university said in a news release that the discovery could lead to a variety of new materials for industrial, medical and military uses.
Dragline silk from black widows is regarded as superior to that from other spiders because of its strength and extensibility, which enable the silk to absorb enormous amounts of energy.
The silk’s properties have interested the military, medical and sporting worlds, who are keen to explore the possibility of copying the structure of the silk for lightweight body armor, medical devices and athletic attire.
The genetic discovery was made by UC Riverside professor Cheryl Hayashi and a team of researchers.
There are currently no products on the market based on the dragline silk of spiders.
“There’s nothing quite as good yet as natural dragline silk, but we should get a lot closer now that we have the full genetic recipe,” Hayashi said.
Now the genetic blueprint of the silk has been identified it may be possible to synthetically produce the proteins by inserting the genetic sequences into host organisms such as bacteria, plants or animals, she said.
The next challenge would be attempting to spin the proteins into silk fibers that have the same properties as spider spun silk.

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2 thoughts on “Scientists uncover Black Widow Spider Silk…stronger than Kevlar”

  1. No name says:
    August 8, 2007 at 8:15 am

    Is it possible that there is an spider like in Spierman movie?
    That it can bite you and give you super powers?

    Reply
  2. johanna says:
    August 15, 2007 at 10:35 pm

    OMG I FOUND A BLACK WIDOW OUT SIDE MY DOOR IT WAS SO CRAZY LOOKING AT IT ANY QUESTIONS JUST E-MAIL ME AT
    CHONANA48@YAHOO.COM

    Reply

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