Abdelhamid Elaissari, PhD, DEA, is Director of Research at the National Center for Scientific Research (CNRS) in Lyon, France. A partial list of his current research interests includes functionalization of complex colloidal systems, physical chemistry and colloidal characterization of colloidal particles, adsorption, desorption, covalent grafting, and specific immobilization of biomolecules and polyelectrolytes onto colloidal particles.