Research Topic: polylactic acid

Development of Active Antibacterial CEO/CS@PLA Nonwovens and the Application on Food Preservation

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Researchers created special biodegradable packaging material made from corn-based plastic combined with chitosan (from crab shells) and cinnamon oil. When placed over fresh strawberries, this material killed 99.99% of harmful bacteria and significantly extended shelf life. The packaging reduced strawberry decay, weight loss, and spoilage while maintaining nutritional quality.

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Radiation protection and structural stability of fungal melanin polylactic acid biocomposites in low Earth orbit

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Scientists tested special materials made with fungal melanin and plastic in space to see if they could protect against radiation. After 6 months on the International Space Station, materials containing fungal melanin showed better resistance to damage than regular plastic. These bio-based materials could help protect astronauts and equipment during long space missions while being more sustainable than traditional synthetic materials.

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Tailoring the Mechanical Properties of Fungal Mycelium Mats with Material Extrusion Additive Manufacturing of PHBH and PLA Biopolymers

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Researchers have developed a new method to strengthen mushroom-based materials by using 3D printing to apply layers of plant-based plastics onto them. These reinforced materials have significantly improved strength while remaining fully biodegradable and compostable. This innovation makes fungal mycelium materials suitable for more demanding applications like flexible textiles and wearable electronics, offering a sustainable alternative to petroleum-based products.

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Agricultural Waste-Derived Biopolymers for Sustainable Food Packaging: Challenges and Future Prospects

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This review explores how agricultural waste like rice husks and corn cobs can be transformed into eco-friendly packaging materials to replace harmful plastic. Currently, most plastics take hundreds of years to decompose and cause serious environmental damage, but biopolymers derived from farm waste are completely biodegradable. The article discusses various ways to extract these materials and improve their properties, while identifying remaining challenges that need to be solved before widespread commercial adoption.

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Extracted Spent Coffee Grounds as a Performance-Enhancing Additive for Poly(Lactic Acid) Biodegradable Nursery Bags in Agriculture

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This research developed eco-friendly nursery bags by combining biodegradable plastic (PLA) with leftover coffee grounds. The coffee grounds, which would otherwise be waste, improve the plastic’s flexibility and help it break down faster in soil. The resulting bags protect plant roots from sunlight while safely degrading in the environment within a few months, offering farmers a sustainable alternative to traditional plastic bags.

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Radiation protection and structural stability of fungal melanin polylactic acid biocomposites in low Earth orbit

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Scientists sent biocomposite materials containing fungal melanin into space for six months to test if they could protect equipment and astronauts from radiation and other harsh conditions. The results showed that fungal melanin-infused materials lost significantly less mass and showed better radiation protection than plain plastics. This research suggests that fungal melanin-based materials could be valuable for long-duration space missions because they are lightweight, biodegradable, and could potentially be grown in space.

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