Volume 92 Issue 32 | p. 24 | Concentrates
Issue Date: August 11, 2014 | Web Date: August 12, 2014

Catching A Thief With Nanopillar Security

When fogged by a person’s breath, nanopatterned films unveil hidden images that could guard products against counterfeiters
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: nanopillars, counterfeit drugs, polyurethane, arrays, security, breath

To protect intellectual property, drugmakers often add holograms or other security tags to a medicine’s packaging. The problem is, counterfeiters are smart: Over time, the criminals figure out how to produce replicas of the tags. Security labels “need to provide a greater degree of protection and be difficult to produce in low-tech environments,” says Nicholas A. Kotov of the University of Michigan. Along with Seok Jae Lee of . . .

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