Green biosynthesis of nanoparticles : mechanisms and applications / edited by Mahendra Rai (Institute of Chemistry, Biological Chemistry Laboratory, Universidade Estadual de Campinas, Campinas, Brazil, and Department of Biotechnology, SGB Amravati University, Amravati, Maharashtra, India) Clemens Posten (Institute of Process Engineering in Life Sciences, Section III Bioprocess Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany).