Fluorescent tampons help researchers locate river pollution

March 31, 2015 5:43 AM

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Fluorescent tampons help researchers locate river pollution

Our new method may be unconventional -- but it’s cheap and it works," said study author David Lerner.

Most tampons are made of natural, untreated cotton, a material that readily absorbs a class of chemicals called optical brighteners. Optical brightening agents (OBAs), which have a "whitening effect" and also enhance color brightness, are used in toilet paper, detergents and shampoos. That makes the...

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