20 May '13, 4pm

These color-changing gloves are an early warning system for invisible toxins in the air

Challenges still lie ahead for the research team though. “The dye molecule must detect a specific analyte in a targeted manner – only then will a chemical reaction occur. Moreover, the dye must adhere securely; it cannot disappear due to washing,” explains Dr. Sabine Trupp, head of the Fraunhofer EMFT Sensor Materials group. “We aim for the customer’s preferences in the color selection as well. All of these aspects must be kept in mind when developing the molecule and pigment properties.” The technology could also be applied in different cases, say for instance integrated with a time and data recording sensor to measure and monitor long term exposures. Textiles like these could also be used to alert consumers of bad food that may spoil before the “best by” date.

Full article: http://www.ecouterre.com/color-changing-glove-alerts-wear...

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