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Interaction of Inorganic and Organic Pollutants with Microplastics
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This book chapter reviews how microplastics interact with inorganic and organic pollutants including heavy metals and organic compounds, via electrostatic interactions, hydrophobic partitioning, and other non-covalent mechanisms. It examines the role of microplastic surface area, functional groups, and aging in facilitating these interactions.
Microplastics can efficiently serve as a vector of several contaminants (heavy metals, organic substances) and transport and migrate in different environments due to the large specific surface area, surface functional groups, and aging. The current chapter comprehensively reviewed the interactions of inorganic and organic pollutants with microplastics. Several mechanisms of interactions, such as electrostatic interactions, hydrophobic interactions, partition, and other non-covalent interactions, are described in detail. Types of inorganic and organic pollutants like manganese, iron, zinc, aluminum, copper, lead, silver, and hydrophobic organic pollutants (e.g., polychlorinated biphenyls, poly-aromatic hydrocarbons, organochlorine pesticides, etc.) are also described comprehensively. Furthermore, several factors affecting these interactions are also discussed.
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This review summarized interactions between microplastics and organic pollutants and metals in the marine environment, covering sorption behavior across polymer types, the role of degradation in altering sorption capacity, and global monitoring data on pollutant concentrations on marine plastics. The authors conclude that microplastic type, pollutant properties, and environmental conditions all strongly influence chemical accumulation on plastic surfaces.
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This review examines the physical and chemical properties of microplastics that determine how they interact with hydrophobic organic contaminants in the environment. Researchers found that factors like polymer type, particle size, weathering, and surface chemistry all influence how strongly microplastics bind to co-occurring pollutants. The findings suggest that microplastics can serve as carriers for harmful chemicals, potentially increasing exposure risks for organisms that ingest them.
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Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.