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Characterization and Analysis of Polyethylene and Polypropylene Microplastic from Packed Food
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Researchers developed a methodology using NaCl and ethanol to extract and characterize polyethylene and polypropylene microplastics from packed food samples, then demonstrated that plastic-degrading bacterial isolates could achieve complete bioremediation of the extracted LDPE and PP microplastics.
Microplastics are generated as a result of partial degradation of plastic materials which has been continuously used and disposed in the terrestrial and aquatic environment. Produced microplastic present in marine and terrestrial ecosystem is now entering in to the food chain. Many packed food containers are made up plastic like Low density Polyethylene, High Density Polyethylene, Polypropylene, Polystyrene etc. Current study is focused on designing methodology for extraction of microplastics from food sample, identification and characterization of extracted microplastic by using FTIR analytical technique. After Microplastic identification, complete degradation of microplastic by plastic degrading bacterial isolates were analyzed. Nacl and Ethanol were used for extraction of microplastic from food sample. Bioremediation approach showed efficient degradation of LDPE and Polypropylene microplastic.
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Enrichment of Microbes Potentially Degrading Polyethylene Using a Microcosm Approach
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Researchers used a microcosm enrichment approach to isolate and cultivate microbes with potential for degrading polyethylene plastic. The study developed a method for enriching and screening plastic-degrading bacterial communities from environmental samples.
Isolation and Characterization of Polyethylene and Polyethylene Terephthalate-degrading Bacteria from Jakarta Bay, Indonesia
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Researchers isolated bacteria from Jakarta Bay, Indonesia, that showed the ability to degrade polyethylene and polyethylene terephthalate microplastics in laboratory conditions. They identified the most effective bacterial strains and confirmed plastic degradation through weight loss measurements and surface analysis. The study supports the potential of using naturally occurring marine bacteria for bioremediation of plastic-polluted coastal environments.
Bioprospecting indigenous bacteria from landfill leachate for enhanced polypropylene microplastics degradation
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Researchers isolated bacteria from landfill leachate to test their ability to degrade polypropylene microplastics. They identified a novel Staphylococcus haemolyticus strain that reduced polypropylene dry weight by over 25% in 30 days, with surface and chemical analysis confirming structural degradation through hydrolysis and oxidation.
Enrichment and isolation of micro plastic degrading microorganisms from various natural sources
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Researchers isolated microplastic-degrading microorganisms from soil and water samples using mineral salt media with polyethylene and polypropylene as sole carbon sources, successfully identifying four distinct microbial isolates capable of degrading these polymers.
Strategies for the Remediation of Micro- and Nanoplastics from Contaminated Food and Water: Advancements and Challenges
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This review summarizes existing research on methods for removing micro- and nanoplastics from contaminated food and water, including filtration, chemical treatment, and biological approaches using microorganisms. While several promising techniques exist, the complexity of real-world plastic pollution makes it difficult to scale these solutions, and more cross-disciplinary research is needed to protect food and water safety.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.