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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.
BioSteel was a trademark name for a high-strength fiber-based material made of the recombinant spider silk-like protein extracted from the milk of transgenic goats, made by defunct Montreal-based company Nexia Biotechnologies, and later by the Randy Lewis lab of the University of Wyoming and Utah State University. [1]
Silk proteins present in other spider silk types are also occasionally referred to as spidroin. These include tubuliform silk protein (TuSP), flagelliform silk protein (Flag; O44358 - Q9NHW4 - O44359 ), minor ampullate silk proteins (MiSp; K4MTL7 ), aciniform silk protein (AcSP), pyriform silk protein (PySp) and aggregate silk glue (ASG2/AgSp).
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Spider silk is a protein fibre or silk spun by spiders. Spiders use silk to make webs or other structures that function as adhesive traps to catch prey, to entangle and restrain prey before biting, to transmit tactile information, or as nests or cocoons to protect their offspring.
It has the tensile strength as high as 1.79 gigapascals (as much as 37%) and the elasticity above 38% exceeding the maximum reported features of the spider silk. [citation needed] It is reported that dragon silk is more flexible than the "Monster Silk" and stronger than the "Big Red, recombinant spider silk designed for increased strength. [1]
Home Depot’s viral 12-foot skeleton lives up to the hype. Its oversized design makes for an eye-catching Halloween display, and once assembled, it’s surprisingly stable considering its size. Pros
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.