{"id":7072,"date":"2021-07-17T16:31:58","date_gmt":"2021-07-17T16:31:58","guid":{"rendered":"https:\/\/behzistdanesh.com\/?p=7072"},"modified":"2021-07-17T16:31:58","modified_gmt":"2021-07-17T16:31:58","slug":"vegan-spider-silk","status":"publish","type":"post","link":"https:\/\/behzistdanesh.com\/en\/vegan-spider-silk\/","title":{"rendered":"Vegan Spider Silk: Replacement for Common Plastics"},"content":{"rendered":"<p style=\"text-align: left;\">News- By mimicking the self-assembling microstructures that give spider silk its incredible strength, scientists at the University of Cambridge have produced a <strong>plant-based film<\/strong> with the strength of common <strong>single-use plastics<\/strong>, offering a &#8220;vegan&#8221; <strong>eco-friendly<\/strong> alternative to the material. The free-standing film can be colored for industrial use, and then easily <strong>composted<\/strong> once its job is done<\/p>\n<p style=\"text-align: left;\">\u00a0\u201cWe found that one of the key features that gives spider silk its strength is the hydrogen bonds are arranged regularly in space and at a very high density,\u201d says study author Professor Tuomas Knowles<\/p>\n<p style=\"text-align: left;\">The scientists then set out to recreate this process using self-assembling proteins sourced from plants instead. This began with <strong>soy protein isolate<\/strong>, which like all proteins, is made of polypeptide chains that can be made to self-assemble under the right conditions. Achieving this involved a mix of acetic acid and water, high temperatures and ultrasonication, to improve the solubility of the protein and make it easier to control its self-assembly into ordered structures<\/p>\n<p style=\"text-align: left;\">The finished product is a set of protein structures with enhanced molecular interactions driven by hydrogen bond formation, just like in spider silk. When the solvent is removed, a water-insoluble film remains with a mechanical performance equivalent to common single-use plastics like <strong>polyethylene<\/strong>. And because it involves no chemical modifications to its all-natural building blocks, the material can safely degrade in home composting systems<\/p>\n<p style=\"text-align: left;\">The research was published in the journal\u00a0<a href=\"https:\/\/www.nature.com\/articles\/s41467-021-23813-6\"><em>Nature Communications<\/em><\/a><\/p>\n<p style=\"text-align: left;\">10.06.2021<\/p>\n<p style=\"text-align: left;\">Ref: <a href=\"https:\/\/newatlas.com\/materials\/vegan-spider-silk-plant-based-plastic\/\">www.newatlas.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>News- By mimicking the self-assembling microstructures that give spider silk its incredible strength, scientists at the University of Cambridge have produced a plant-based film with the strength of common single-use plastics, offering a &#8220;vegan&#8221; eco-friendly alternative to the material. The free-standing film can be colored for industrial use, and then easily composted once its job [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-7072","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Vegan Spider Silk: Replacement for Common Plastics<\/title>\n<meta name=\"description\" content=\"Scientists at the University of Cambridge have produced a plant-based film with the strength of common single-use plastics\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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