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NIST-made 'sun and rain' used to study nanoparticle release from polymers

(National Institute of Standards and Technology (NIST)) In a recently published paper, researchers from the National Institute of Standards and Technology (NIST) describe how they subjected a commercial nanoparticle-infused coating to NIST-developed methods for accelerating the effects of weathering from ultraviolet (UV) radiation and simulated washings of rainwater. Their results indicate that humidity and exposure time are contributing factors for nanoparticle release from the coatings, findings that may be useful in designing future studies to determine potential ecological and health impacts.
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