{"id":656,"date":"2023-04-25T06:24:17","date_gmt":"2023-04-25T06:24:17","guid":{"rendered":"http:\/\/magote.hu\/?p=656"},"modified":"2023-04-25T06:31:38","modified_gmt":"2023-04-25T06:31:38","slug":"a-gombakbol-keszult-vegan-bor-kepes-megjavitani-magat","status":"publish","type":"post","link":"http:\/\/magote.hu\/en\/2023\/04\/25\/a-gombakbol-keszult-vegan-bor-kepes-megjavitani-magat\/","title":{"rendered":"A vegan leather made of dormant fungi can repair itself"},"content":{"rendered":"

The fungi can regrow, potentially fixing tears in items one day made from the alternative leather.<\/p>\n

Imagine if a ripped leather jacket could repair itself instead of needing to be replaced.\u00a0This could one day be a reality, if the jacket is fashioned from fungus, researchers report April 11 in Advanced Functional Materials. The team made a self-healing leather from mushrooms\u2019 threadlike structures called mycelium, building on past iterations of the material to allow it to fix itself.<\/p>\n

Mycelium leather is already an emerging product, but it\u2019s produced in a way that extinguishes fungal growth. Elise Elsacker and colleagues speculated that if the production conditions were tweaked, the mycelium could retain its ability to regrow if damaged.<\/p>\n

That novel approach could offer inspiration to other researchers trying to get into the mycelium leather market, says Valeria La Saponara, a mechanical and aerospace engineer at the University of California, Davis.<\/p>\n

Elsacker, a bioengineer now at the Vrije Universiteit Brussel, and her colleagues first grew mycelium in a soup rich in proteins, carbohydrates and other nutrients. A skin formed on the surface of the liquid, which the scientists scooped off, cleaned and dried to make a thin, somewhat fragile leather material. They used temperatures and chemicals mild enough to form the leather but leave parts of the fungus functional. Left dormant were chlamydospores, little nodules on the mycelium that can spring back to life and grow more mycelium when conditions are prime.<\/p>\n

After punching holes in the leather, the researchers doused the area in the same broth used to grow it to revive the chlamydospores. The mycelium eventually regrew over the punctures. Once healed, the hole-punched areas were just as strong as undamaged areas \u2014 however, the repairs were visible from one side of the leather.<\/p>\n

\"Three

\nChlamydospores are little nodules on fungi\u2019s threadlike mycelium that can spring back to life. They\u2019re dormant in the punctured leather (left). With the right nutrients, the chlamydospores reanimated and the leather healed itself (middle), but the tiny patches are still slightly visible in the repaired leather (right).<\/em><\/span>E. ELSACKER\u00a0ET AL\/ADVANCED FUNCTIONAL MATERIALS, 2023<\/em><\/span><\/span><\/p>\n<\/figcaption><\/figure>\n

The technique could potentially go beyond a proof-of-concept and into commercialization in the next decade, says study coauthor Martyn Dade-Robertson, codirector of the Hub for Biotechnology in the Built Environment in Newcastle upon Tyne. But first, the team will need to make the leather stronger and determine how to control the chlamydospores\u2019 growth. Otherwise, he says, someone could \u201cwalk out in the rain, and then all of a sudden find that [their] jacket is growing, or perhaps [has] mushrooms popping out of it.\u201d<\/p>\n

Source: ScienceNews<\/a><\/em><\/p>\n

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