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Image of illustration of microplastics in water viewed through magnifying lens

CWRU’s Max Pennington and Medicine’s Sanjay Rajagopalan highlight concerns over microplastic exposure

Media | September 20, 2026 | Story by: Editorial Staff

The CLEANR SIP is a straw that filters microplastics from drinking water

WKYC: Max Pennington, the co-founder of CLEANR, a startup launched at Case Western Reserve, said that CLEANR SIP filters 99% of microplastics plus chemicals and heavy metals, while Sanjay Rajagopalan, director of the Case Cardiovascular Research Institute at the School of Medicine, said microplastic and nanoplastic exposure is widespread, with some surveys finding them in 90% of drinking water. 

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