Now there’s a way to diagnose HIV with a smartphone

February 5, 2015 4:46 PM

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Here’s how it works: The “dongle” device takes a prick of blood and tests it to see whether there are a higher-than-normal number of the antibodies that fight HIV and syphilis in the blood. That immune system reaction indicates that the patient is positive, explains Wan Laksanasopin, a biomedical engineering PhD student at Columbia who helped develop the device.

The dongle attaches to any smartphone or tablet through the audio jack, and the device’s app reads the results, giving a diagnosis in about 15 minutes, Laksanasopin tells Quartz. (The team has so far only developed an iOS app for Apple devices.) The app provides directions to the health care worker ...

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