Researchers at the University of Illinois at Urbana-Champaign have developed a versatile iPhone-based biosensor that, with about $200 worth of parts, is just as accurate as a $50,000 laboratory spectrophotometer.
The system, consisting of an iPhone cradle and an app, can detect viruses, bacteria, toxins, proteins and even allergens in food using the smartphone's camera as a spectrometer and the...
