Rapid Response

A minilab that sits in the palm of your hand could slash the time it takes to detect cholera bacteria in water from 3 or more days—in a traditional lab setting—to 30 minutes.
Built around a smartphone, the lab uses heating units, lenses and image processing to test for cholera in a single drop of water, says engineer Katherine Clayton, who invented the device with Purdue University colleagues and formed a company to develop it. 
Her hope is that the device can be used to rapidly identify cholera-contaminated water sources to contain outbreaks and prevent them from spreading. 
NPR Goats and Soda

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