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Papers
3 resultsShowing papers from National University College
ClearTemporal and spatial distribution of microplastic in the sediment of the Han River, South Korea
The first comprehensive survey of microplastic temporal and spatial distribution in Han River sediment in South Korea found microplastics at all sites with concentrations varying by season and proximity to urban areas, with polyethylene and polypropylene fragments and fibers as the dominant types.
Microplastics in gastrointestinal tracts of gentoo penguin (Pygoscelis papua) chicks on King George Island, Antarctica
Researchers found an average of 27 microplastics per individual in the stomach and upper intestines of 14 dead gentoo penguin chicks on King George Island, Antarctica, with 378 microplastics total identified by FTIR spectroscopy. The number of microplastics did not increase with chick body mass, suggesting no long-term accumulation, likely because penguins regurgitate indigestible items.
High-performance biodegradable poly(lactic acid) composites with xylan and lignin copolymer
Researchers developed high-performance biodegradable poly(lactic acid) composites by incorporating xylan and lignin derived from lignocellulosic biomass, improving PLA mechanical properties and addressing its brittleness limitations while maintaining biodegradability as a sustainable alternative to conventional plastics.