MARCO MASCINI, PhD, is a Full Professor of Analytical Chemistry in the Department of Chemistry at the University of Firenze, Italy. He has been one of the pioneers of biosensor technology. His research interests are related to electrochemical, piezoelectric, and optical biosensors. He pioneered several practical applications of these devices in industrial prototypes for use in bioanalysis, medicine, the environment, and food quality and safety. Some of these devices are commercialized today. Dr. Mascini is the author of more than 300 publications and has taken part in several European Commission projects and steering committees.