Hardy Diagnostics Blog One Cultured Blog Home Categories Toggle sub-menu Subscribe Contact Us Toggle search form What’s all the hyphae about?: Sustainable fungi-based plastic alternatives Posted on November 8, 2021 By Cierra Benavidez No Comments on What’s all the hyphae about?: Sustainable fungi-based plastic alternatives Plastic is invaluable to the scientific community from Petri plates to syringes and almost everything in between. Scientific research alone accounts for approximately 1.8% of global plastic production.(1) With the COVID-19 pandemic the need of the scientific community is increasing due to the increased need for plastic used for PPE, plastic tubes, pipets, etc.(2) While plastic use is vital for many applications, about 91% of all plastic isn’t recycled.(3) It is cheaper and faster to make more plastic than to use recycled materials. With the added hazards associated with plastics used in various scientific and medical applications, recycling plastic in the sciences is more challenging, expensive, and therefore more limited.(4) While alternatives to plastic cups and cutlery are increasingly available, replacing single-use items in a laboratory or healthcare setting is more challenging. One plastic alternative comes from the lab in the form of filamentous fungi. Fungi, more specifically their hyphae, can provide an alternative to reduce overall plastic consumption while also reducing energy usage and carbon dioxide production associated with plastic production.(5) A fungi-based plastic alternative “foam” is created by first inoculating a matrix of agricultural wastes with fungal spores. These spores germinate and are allowed to grow at the optimal conditions for the specific organism. The mycelial network develops within a shaped form that “molds” the fungi into a specific shape. The form also prevents the development of a fruiting body which allows for the formation of more mycelia. Figure 2: Ecovative in New York is producing packaging materials made from fungal mycelia in order to replace Styrofoam. In the future, living fungi could even become our wearable technology and reduce e-waste in addition to plastics. Figure 3: Pycnoporus cinnabarinus is a fungus often used for fungal molding. It has the added advantage of offering color without adding dyes. The process is somewhat similar to using injection and similar molds with inorganic materials. This fungal growth takes about a week to complete.(6, 7) After the mycelia have taken shape, the fungi mixture is heated and dried to stop the growth by killing the fungi.(8) The resulting foam is fairly inexpensive and hardy like plastics but biodegradable in soil within 45 days. Thermal insulation and water resistance make this material ideal for packaging. The foam-like properties can help absorb impact and different forms can be customized to fit a variety of products, cutting down on the need for plastic-based options. Figure 1: A handbag made from fungal leather from Bolt Threads The applications don’t end there as mycelia building materials, insulation, “un-leather,” meat alternatives, soundproofing, and more are already on the market(10). Even Adidas has incorporated mushroom-based materials into a line of shoes.(8, 9) Figure 4: The Nat-2 shoe is made in Germany of fungi derived leather. For instance, it takes 2,500 liters of water, fertilizer, and pesticides to create one cotton T shirt. A fungal alternative takes only 12 liters of water. Figure 5: Mycotex is made 100% from fungal mycelia and is produced in the Netherlands. While fungi foam can’t currently take the place of many of the plastics used in the sciences, the technology is still fairly new and new applications could replace more single use plastics. For now, reducing our plastic consumption and replacing it with renewable and sustainable fungi can make a big difference to our environment. By Lauren Hamilton Technical Services Microbiologist II HARDY DIAGNOSTICS Works Cited: https://www.sciencedaily.com/releases/2015/12/151223221353.htm https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7726519/ https://www.epa.gov/facts-and-figures-about-materials-waste-and-recycling/plastics-material-specific-data https://reader.elsevier.com/reader/sd/pii/S2542504821000348?token=D215208256797DD49B27110A579F5DD0D6545272A15C94FE0BB67CADA92CA3D3DD69F861FC4EC75543B18AF53CE18942&originRegion=us-east-1&originCreation=20211029223809 https://www.researchgate.net/publication/336146038_Mushroom_Packages_An_Ecovative_Approach_in_Packaging_Industry https://blogs.scientificamerican.com/observations/the-mycelium-revolution-is-upon-us/ https://matmatch.com/resources/blog/mycelium-using-mushrooms-to-make-packaging-materials/#:~:text=There%20are%20also%20many%20applicable,textiles%2C%20clothing%2C%20and%20shoes. https://undecidedmf.com/episodes/is-fungus-the-plastic-of-the-future https://www.adidas.com/us/blog/663481-stan-smith-mylotm-made-using-mushrooms https://insights.globalspec.com/article/14950/fungi-based-leather-could-be-the-most-sustainable-leather-option Figure 6: Even furniture can be constructed with fungal materials, by bioMASON. Micro Musings Tags: fashion, filamentous, fungal, fungi, Hardy Diagnostics, hyphae, mycellium, plastic Post navigation Previous Post: The Tick-Borne Powassan Virus Next Post: Beware of Canine Campy! More Related Articles The Tick-Borne Powassan Virus The Winnable Battles: HAIs and Antimicrobial Stewardship The Incredible Indestructible Tardigrade Nanotechnology and the COVID-19 Vaccine Are bananas, as we know them, becoming extinct? The Growing Cannabis Market and Microbiology Leave a Reply Your email address will not be published. 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