HemoGlobe device works with a smartphone to detect anemia

A terrible scourge in the developing world, anemia claims hundreds of thousands of lives every year. Medical tests to detect the condition and prevent tragedy are often unavailable, but students at John Hopkins University have invented a sensor that turns a cell phone into an inexpensive blood analysis tool. At an awards ceremony in Seattle on July 14, the bioengineernig undergraduates revealed their device, the HemoGlobe, which will soon be undergoing testing in Africa.

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