Scientists at Yale Institute for Nanoscience and Quantum Electronics have developed nanowire sensors attached with simple microprocessor electronics which are both sensitive and specific enough to be used for point-of-care (POC) disease detection. When highly specific antigens activate immune cells, acid is produced. A current is generated in the nanowire electronics. This indicates that a specific antigen (viruses, bacteria or cancer cell) is present, allowing for detection. The system gives results really fast and is compatible with the currently available CMOS electronics.