Prof. Gaio Paradossi is Full Professor of Physical Chemistry at Dipartimento di Scienze e Tecnologie Chimiche, University of Rome Tor Vergata, Rome, Italy. After graduating at the University of Rome, Italy, he was a post-doc in Israel, the United States, and France. In 1984, he joined the Department of Chemistry of the University of Naples, Italy, as assistant professor. In 1990, he moved to the University of Rome Tor Vergata. In 1999 he was Visiting Professor at University of Kyoto. He is author of more than 200 papers in international, peer-reviewed journals on several topics concerning biomaterials. His research activities cover the design of new functional contrast agents, the structural and dynamic properties of hydrogels, the formulation of nanocomposites for biomedical uses, micro- and nano-devices for molecular imaging, drug release, and dosimetry.