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Tech January 10, 2024

Scientists find massive invisible nanoplastic particles in bottled water

A recent study by researchers at Columbia and Rutgers universities reveals that the average liter of bottled water contains nearly a quarter million invisible nanoplastics, detected and categorized for the first time using a microscope with dual lasers. The study examined five samples from three common bottled water brands, finding particle levels ranging from 110,000 to 400,000 per liter, with an average of around 240,000. Much of the plastic appears to originate from the bottle itself and the reverse osmosis membrane filter. The researchers advise considering alternatives like tap water, as nanoplastics can have potential health impacts, although they do not recommend against drinking bottled water when necessary due to dehydration risks. Nanoplastics are particles below 1 micrometer and can enter the bloodstream, posing potential health risks. The study used Stimulated Raman Scattering microscopy to analyze the nanoplastics and hopes to extend the research to probe tap water in the future.

Source – CGTN

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