Invisible nanoparticle barcodes could help law enforcement catch criminals

The long arm of the law has the added advantage of technology working alongside them in order to uncover dastardly crimes that have been committed by nefarious minds. However, there are moments when even the law remains one step behind, and in this particular game of cat and mouse, perhaps the introduction of an invisible barcodemight be able to work in the favor of the authorities as it can be used to track the likes of explosives, medicines and bank notes. A team that hails from the Worcester Polytechnic Institute in the US discovered that selected nanoparticles do feature special characteristics that are able to mark different items.

An invisible barcode is being developed to track explosives, medicines and bank notes, scientists report. A team from the Worcester Polytechnic Institute in the US has found that some nanoparticles have unique characteristics that can be used to mark items. The researchers say the technique could link objects to their manufacturer, seller or buyer. The study is published in the journal Scientific Reports. “Nanoparticles are so small, they can be put into any objects,” said Dr Ming Su, who carried out the research. Using barcodes to mark and trace objects is now used widely by manufacturers. But the researchers say that covert barcodes could be used to fight crime and reduce counterfeiting. The team have found that some nanoparticles can be added to items such as explosives, ink and medicines during the manufacturing process. Because these particles have a unique melting point that can be detected with scanners, they provide a “thermal” barcode.

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Written by Chastity Mansfield

I'm a writer, an amateur designer, and a collector of trinkets that nobody else wants. You can find me on Noozeez, and Twitter.

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