Recyclable smart package (IMAGE) Carnegie Mellon Portugal Program Caption 1) A printed smart label integrated in a package of perishable fresh food monitors its storage temperature over time and informs consumer through two LEDs whether the item is safe to consume or whether there is the risk of contamination due to poor refrigeration. 2) Both the food package and the integrated smart label can be fully recycled using conventional means and the proposed separation and recycling method, respectively. Materials that can be recycled through conventional methods are identified by their United Sates recycling codes Credit ISR - FCTUC Usage Restrictions This image can only be used in content related to this paper. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.