Dr Roberta Brayner was recruited as Associate Professor by Paris Diderot University in 2003 to expand its nanotechnology program. She conducts basic and applied research at the intersection of chemistry, physics and biology towards (i) Synthesis of semiconductors and noble metals using the Polyol Process (ii) the development of hybrid “living” materials based on micro-algae and nanoparticle interactions and also (iii) the toxicological impact of nanoparticles in the environment. Her research has been supported by grants from ANR, ECO-Sud and NanoSciences-Ile de France. Dr Roberta Brayner obtained her BS in Chemical Engineering in Brazil in 1995 and her Ph.D. in Chemistry from Paris Diderot University in 2001. She co-authored over 50 publications and 8 book chapters. She is a frequent contributor to Journal of Material Chemistry, Chemistry of Materials, Nano Letters, and other peer-reviewed journals. She is a member of the Nanoscience & Society Bureau at C-Nano Ile de France. Professor Fernand Fiévet is a Senior Professor at Paris Diderot University. He conducts basic and applied research in materials science towards (i) the controlled synthesis of metallic nanoparticles and (ii) the development of high magnetic materials. He is inventor of the Polyol process. He co-authored over 100 publications. He is a frequent contributor to Advanced Materials, Journal of Material Chemistry, Chemistry of Materials, Nano Letters, and other peer-reviewed journals. Dr. Thibaud Coradin, born in 1970, is Directeur de Recherche at the CNRS since 2007. He is currently leading the « Materials and Biology » group in the Laboratoire de Chimie de la Matière Condensée de Paris (UPMC-P6). His research topics include silica biomineralization, green sol-gel chemistry, bionanocomposites, biomaterials and sol-gel bioencapsulation. He co-authored over 75 publications and 10 book chapters. He is a member of the Advisory Editorial Board ofCurrent Medicinal Chemistry and Silicon.