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This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.

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Malaria kills hundreds of thousands of people in Africa annually, and it sickens millions more.

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Medicine can keep the disease in check and save lives.

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But up to half the drugs in Africa may be substandard and up to a third may be counterfeit.

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At the moment, there's no easy way to reliably test a drug in the field.

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That could change if a new technology called PharmaCheck, developed by researchers at Boston University, moves from prototype to reality.

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The pill in question is dissolved in liquid.

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Miniscule amounts of the liquid pass through channels in what's called a microfluidic chip.

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The channels include a molecule that will bond to the real drug.

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That event produces fluorescence that can be measured by a smartphone app,

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which reveals how much of the drug is present and active in the pill.

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The technology was recently awarded one of nine grants by the National Collegiate Inventors and Innovators Alliance.

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The research team plans to soon test prototypes in the field in Ghana.

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If PharmaCheck works, regulators and pharmacists could have a simple, inexpensive method to determine whether a drug is effective.

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Which could impede counterfeiters and save thousands of lives.

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Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.

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