Research Keyword: 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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Effect of AgNPs on PLA-Based Biocomposites with Polysaccharides: Biodegradability, Antibacterial Activity and Features

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Scientists created new plastic-like materials made from corn-based PLA combined with silver nanoparticles and natural starches or chitosan. These biocomposites break down in soil while also killing harmful bacteria. The materials showed that adding silver particles didn’t prevent fungi from breaking them down in nature, making them suitable for environmentally-friendly products like food packaging that need to both degrade naturally and prevent bacterial growth.

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Effect of AgNPs on PLA-Based Biocomposites with Polysaccharides: Biodegradability, Antibacterial Activity and Features

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Scientists created new eco-friendly plastic films made from corn-based PLA combined with natural starches and tiny silver particles. These films can break down in soil while also killing harmful bacteria, making them ideal for food packaging. The materials maintained good antibacterial properties even as they slowly degraded in the environment, showing promise as sustainable alternatives to conventional plastics.

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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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