Filtering pollution: A microfluidic device for collecting microplastics via acoustic focusing

Plastic debris particles smaller than 5 mm in size, known as microplastics (MPs), are a serious environmental concern. Formed by the breaking down of plastic waste due to wear and tear and sunlight or produced by fiber waste in laundry wastewater and as microbeads in beauty products, they adsorb and introduce harmful chemicals that pollute the environment. By 2050, MPs might outnumber the fish in the oceans. Under these circumstances, the collection and removal of MPs from water are crucial.

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