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Spiders produce silk using special organs called spinnerets, located typically on the underside of their abdomen. They look a bit like an icing nozzle The 7 Types of Spider Webs and the Incredible ...
Spider silk is ideal for synthesizing medical skin grafts or ligament implants because it is one of the strongest known natural fibers and triggers little immune response in animals. Spider silk may also make fine sutures for stitching nerves or eyes to heal with little scarring. Medical uses of spider silk have been introduced previously.
Spider silk structure: crystalline beta-sheets separated by amorphous linkages. Silks have a hierarchical structure. The primary structure is the amino acid sequence of its proteins (), mainly consisting of highly repetitive glycine and alanine blocks, [4] [5] which is why silks are often referred to as a block co-polymer.
The length of the silk fiber depends on how it has been prepared. Since the cocoon is made of one strand, if the cocoon is unwound carefully the fibers can be very long. Spider silk is the strongest natural fiber known. The strongest dragline silk is five times stronger than steel and three times tougher than Kevlar.
The spider silk has a greater tensile strength than steel, and the material is even strong enough to stop a bullet. In terms of everyday usage, spider silk could be a huge game changer when it ...
Kim Kraig Thompson, a retired lawyer, invented the protein expression platform in 2002, which would become the basis for Kraig Lab's work with spider silk. [3] He founded Kraig Biocraft Laboratories in April 2006 to develop and commercialize spider silks and other high-performance polymers gene and sequences using platform technology in combination with genetic engineering concepts.
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Dragon silk is far more flexible than Kevlar (the material used by US Army to develop body armor). Its flexibility is 38% higher than normal spider silk and is noticeably more flexible than the "Monster silk" from the same laboratory. In percentage, Kevlar's flexibility is 3% and dragon silk's flexibility is 30% to 40%.