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DNA-based molecular tagging system could replace printed barcodes

DNA-based molecular tagging system could replace printed barcodes

Science
Nov. 3 (UPI) -- A new DNA-based molecular tagging system could change the way goods, from vaccines to textbooks, are tracked. The trackable plastic tags commonly found on clothes do more than prevent retail theft. Advertisement Radio frequency identification -- and other tracking technologies like barcodes and QR codes -- helps manufacturers, logistics operators, transportation coordinators and warehouse managers keep tabs on inventory. In hospitals, tracking technologies help ensure the right medicines get to the right patients. Though ubiquitous, these traditional methods for tracking products have plenty of flaws. Tags can be damaged or removed. For some applications, they're too bulky, impractical and not easily scaled. Enter Porcupine, the new molecular tagging system developed by r...