DR MARK J. WINTER / SCIENCE PHOTO LIBRARY DR MARK J. WINTER / SCIENCE PHOTO LIBRARY
Bisphenol A, molecular model. This chemical is used in the plastics industry as an antioxidant and as a component of epoxy resins and polycarbonate plastics. There are concerns that increasing levels of bisphenol A in the environment could be harmful. It is already known as a synthetic oestrogen that lowers sperm count in men and is also thought to disrupt foetal development. Atoms are represented as spheres are colour-coded: carbon (blue), oxygen (red) and hydrogen (yellow).
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