Engineers create a zwitterionic hydrogel system to swiftly eliminate micropollutants from water

"Zwitterionic" might not be a word you come across every day, but for Professor Patrick Doyle of the MIT Department of Chemical Engineering, it's a word that's central to the technology his group is developing to remove micropollutants from water. Derived from the German word "zwitter," meaning "hybrid," "zwitterionic" molecules are those with an equal number of positive and negative charges.

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