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Size-dependent adsorption of waterborne Benzophenone-3 on microplastics and its desorption under simulated gastrointestinal conditions by Ruofan Cui; Mui-Choo Jong; Luhua You; Feijian Mao; Dingding Yao; Karina Yew-Hoong Gin; Yiliang He is a Environmental Science article available to read on EtoBox.

What is Size-dependent adsorption of waterborne Benzophenone-3 on microplastics and its desorption under simulated gastrointestinal conditions about?

Microplastics (MPs) are global pollutants with heightened environmental and health concerns in recent years because of their worldwide distribution across aquatic environments, ability to load chemical contaminants and the potential for ingestion by animals, including human. In this study, three commonly used and environmentally detected plastics, i.e. polystyrene, polyethylene, polypropylene with sizes of 550, 250 and 75 μm, plus two submicron-sized polystyrene microplastics (5 and 0.5 μm) were assessed as solid adsorbents for a prevalent UV filter, benzophenone-3 (BP-3). The affinity and process of adsorption exhibited differentials among different sizes and types of MPs. Apparent desorption of BP-3 from MPs under simulated gastrointestinal conditions was not significantly enhanced, which might be due to the presence of the enzyme proteins, indicating potential risk of the contaminants carried by MPs. The desorption of BP-3 from MPs was affected by the size, type of MPs and the components of the gastrointestinal fluid.

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Author

Ruofan Cui; Mui-Choo Jong; Luhua You; Feijian Mao; Dingding Yao; Karina Yew-Hoong Gin; Yiliang He

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)