Tuesday, July 31, 2007

Color Changing Plastic Films Indicate when Perishable Foods have Spoiled

Ability to sight spoiled perishable food items because the packaging has changed its color, or to spot a counterfeit dollar bill by stretching it to see if it changes hue, will soon be possible. These types of promising commercial applications are being developed with a new type of flexible plastic film developed by scientists at the University of Southampton in the United Kingdom and the Deutsches Kunststoff-Institut (DKI) in Darmstadt, Germany.

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