Students create low-cost biosensor to detect contaminated water in developing nations

Diarrheal disease is the second leading cause of death in children under five years old—killing as many as 1.5 million children worldwide every year. These startling statistics from the World Health Organization (2009) point to the reason why a group of undergraduate students from Arizona State University is working to develop a low-cost biosensor—a simple device that would detect contaminated drinking water.

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