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Gizmag covers an invention by Jayne Wu, associate professor of computer science and electrical engineering at the University of Tennessee, Knoxville, and Shigetoshi Eda, associate professor of Forestry, Wildlife and Fisheries at the UT Institute of Agriculture Center for Wildlife Health. The two have developed a portable device that can be used onsite to detect infectious diseases, pathogens, as well as physiological conditions in people and animals. Furthermore, the article states, it has been designed to be easily used by any health care professional in any location. All the device needs is a droplet of blood.