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Reusable Water-Treatment Particles Trick, Trap And Terminate Water Contaminant

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  • Reusable Water-Treatment Particles Trick, Trap And Terminate Water Contaminant

    By Alton Parrish (Reporter)

    Rice University scientists have developed something akin to the Venus’ flytrap of particles for water remediation.

    Micron-sized spheres created in the lab of Rice environmental engineer Pedro Alvarez are built to catch and destroy bisphenol A (BPA), a synthetic chemical used to make plastics.

    The research is detailed in the American Chemical Society journal Environmental Science & Technology.

    BPA is commonly used to coat the insides of food cans, bottle tops and water supply lines, and was once a component of baby bottles. While BPA that seeps into food and drink is considered safe in low doses, prolonged exposure is suspected of affecting the health of children and contributing to high blood pressure.Rice University researchers have enhanced micron-sized titanium dioxide particles to trap and destroy BPA, a water contaminant with health implications. Cyclodextrin molecules on the surface trap BPA, which is then degraded by reactive oxygen species (ROS) produced by the light-activated particles.

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