Dr. Varaprasad Kokkarachedu is an Associate Professor in the Faculty of Engineering, Architecture and Design, San Sebastián University, Chile. He received PhD (2011) in biocidal temperature-sensitive hydrogels from the Department of Polymer Science and Technology, India. He worked as an Investigator at the Advanced Polymer Research Center (CIPA), Chile. He received 3 International Postdoctoral Fellowships at Creighton University, USA, Tshwane University of Technology, South Africa, and Concepcion University, Chile. He developed the bioactivity of hybrid nanomaterials for advanced biomedical applications. He has published numerous articles, books, book chapters, and has 2 patents. His primary objective is to translate primary nano and polymer technology research results for the next generation of biomedical applications.Prof. Rotimi Sadiku is currently an Emeritus Professor at the Tshwane University of Technology, Pretoria, South Africa.Professor Emmanuel Rotimi Sadiku started his career as early as in 1976 as assistant Supervisor at the Zaria Industries Limited Nigeria and later received the Nigeria Government Scholarship to pursue a BSc [Hons.] (1980) degree at the University of Strathclyde, Glasgow, Scotland, UK. During this journey, he received numerous awards as best student and then, received the Nigeria government scholarship to pursue his PHD (1986) in Polymer Science at University of Strathclyde. He did a 1½ years postdoctoral fellowship at the CNR/University of Genova, Italy (1989/90) After receiving postdoctoral fellowship award (Swedish Institute Research Fellowship) he joined (1990) the Department of Polymer Technology, Royal Institute of Technology, Stockholm, Sweden. He did spend ½ year at the Faculty of Physics, Freiburg University as Visiting Scientist. In 1999, he later received South African Research Foundation (NRF) Fellowship award to join University of Stellenbosch, Institute for Polymer Science.
