University of Michigan nanopillar arrays with polymer multilayers
A breath-activated drug label

This label fights counterfeit drugs by proving a medicine's legitimacy when it's breathed on. Courtesy University of Michigan Engineering Communications & Marketing
Counterfeit drugs for malaria and tuberculosis kill an estimated 700,000 people annually, yet it’s nearly impossible to distinguish them from the real thing. Researchers from South Korea and the University of Michigan developed a label that proves a drug’s legitimacy when a person breathes on it.