{"id":9873,"date":"2025-10-18T07:17:02","date_gmt":"2025-10-18T07:17:02","guid":{"rendered":"https:\/\/behzistdanesh.com\/?p=9873"},"modified":"2025-10-18T07:17:02","modified_gmt":"2025-10-18T07:17:02","slug":"goodbye-plastic","status":"publish","type":"post","link":"https:\/\/behzistdanesh.com\/en\/goodbye-plastic\/","title":{"rendered":"Goodbye Plastic? Scientists Create a Supermaterial That Outperforms Metals and Glass"},"content":{"rendered":"<p style=\"text-align: left;\">News-\u00a0Scientists at Rice University and the University of Houston have developed a powerful new material by guiding bacteria to <strong>grow cellulose<\/strong> in aligned patterns, resulting in <strong>sheets with the strength of metals and the flexibility of plastic<\/strong>\u2014<strong>without pollution<\/strong>. Using a rotating bioreactor, they transformed the purest biopolymer on Earth into a high-performance alternative to plastic capable of heat conduction, integration with advanced nanomaterials, and applications in packaging, electronics, and even energy storage.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">These researchers have developed an innovative and scalable approach to <strong>engineer bacterial cellulose<\/strong> and convert it into high-strength, multifunctional materials. Published in Nature Communications, the study introduces a dynamic biosynthesis technique that aligns bacterial cellulose fibers in real time, producing biopolymer sheets with exceptional mechanical properties.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">The study\u2019s first author, a Ph.D. student in Materials Science and Nanoengineering at Rice University, said: &#8220;Our approach involves developing a rotating bioreactor that directs the movement of cellulose-producing bacteria and aligns their motion during growth. This alignment significantly enhances the mechanical properties of microbial cellulose, creating a material as strong as certain metals and glass, yet flexible, foldable, transparent, and environmentally friendly.&#8221;<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">Bacterial cellulose fibers typically form randomly, limiting their <strong>mechanical strength<\/strong> and performance. By controlling fluid dynamics in their novel bioreactor, the researchers achieved in-situ alignment of cellulose nanofibrils, producing sheets with tensile strength up to 436 MPa.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">Moreover, incorporating boron nitride nanosheets during synthesis resulted in a hybrid material with even greater strength\u2014around 553 MPa\u2014and<strong> improved thermal properties<\/strong>, dissipating heat three times faster than control samples.<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">July 22, 2025<\/p>\n<p dir=\"ltr\" style=\"text-align: left;\">Ref: <a href=\"https:\/\/www.sciencedaily.com\/releases\/2025\/07\/250721223831.htm#:~:text=Summary%3A,of%20plastic%E2%80%94without%20the%20pollution.\">www.sciencedaily.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>News-\u00a0Scientists at Rice University and the University of Houston have developed a powerful new material by guiding bacteria to grow cellulose in aligned patterns, resulting in sheets with the strength of metals and the flexibility of plastic\u2014without pollution. Using a rotating bioreactor, they transformed the purest biopolymer on Earth into a high-performance alternative to plastic [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9869,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-9873","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>Goodbye Plastic? 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