The result is a very firm and resilient material which could be used in the future as a possible replacement for plastic, as part of bio-based composites and in medical applications, surgical fibres, textile industry and packaging.They created a truly new bio-based material by gluing together wood cellulose fibres and the silk protein found in spider web threads. At the same time, we infiltrated the cellulosic network with a soft and energy dissipating spider silk adhesive matrix," explained research scientist Pezhman Mohammadi from VTT.Silk is a natural protein which is excreted by animals like silkworms and also found in spider web threads.

Well, researchers at the Aalto University and VTT Technical Research Centre of Finland have succeeded in discovering a strong and extensible possible substitute for plastic.Nature offers great ingredients for developing new materials, such as firm and easily available cellulose and tough and flexible silk used in this research. The DNA has all this information contained in it," Linder explained."Our work illustrates the new and versatile possibilities of protein engineering. The spider web silk used by Aalto University researchers, however, is not actually taken from spider webs A4 COLORFUL PVC SHEET FOR BOOK BINDING COVERS but is instead produced by the researchers using bacteria with synthetic DNA."Because we know the structure of the DNA, we can copy it and use this to manufacture silk protein molecules which are chemically similar to those found in spider web threads.

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