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A research team at the Shenzhen Institutes of Advanced Technology has developed an innovative fabric derived from the Cordyceps militaris fungus, which is traditionally used in Chinese medicine. This breakthrough in sustainable fashion aims to reduce environmental harm while offering unique properties that conventional textiles do not possess.
The new material is created by cultivating the fungus into small pellets, which are then pressed into flexible sheets with added glycerol to enhance pliability. One of the standout features of this living textile is its self-cleaning ability. If the fabric experiences a tear, new fungal pellets can be applied to the damaged area, prompting the growth of new fibers. Although the textile exhibits biological activity, it does not continue to grow during regular usage, as its activity halts under dry conditions with limited nutrients.
In addition to its regenerative capabilities, the fungal fabric can host various microorganisms, allowing for the integration of engineered yeast for color and melanin-rich hyphae from Aspergillus niger to provide UV protection. This versatility positions the material as a “plug-and-play platform,” where different organisms can be combined to impart specific characteristics without altering the fundamental structure of the fabric.
Environmental assessments indicate that the fabric biodegrades completely within 41 days, showcasing its potential for temporary applications in fashion, art installations, and biodegradable packaging. However, researchers caution that this material is not poised to replace traditional fabrics like cotton in the near future. Current production costs remain a significant barrier, with the culture medium comprising over 95 percent of expenses. To achieve commercial viability, the team aims to identify more affordable nutrient sources and enhance the fermentation process.
Looking ahead, the researchers envision a future where the fungus could autonomously produce its own pigments and functional molecules, minimizing reliance on external inputs. The potential for synthetic gene circuits may further enable targeted activation of biological functions based on specific environmental conditions.
This advancement represents a promising step toward a more sustainable future in textile production, with applications that extend beyond clothing into broader biodegradable solutions.
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