Rajasekhar Chokkareddy, PhD, is an associate in the Department of Chemistry, Aditya College of Engineering, Andhra Pradesh, India. His primary research interests span the development of electrochemical sensors and biosensors for various pharmaceutical drugs, the green synthesis of nanoparticles, separation techniques, and the synthesis of ionic-functionalized nanocomposites. He has authored more than 30 research articles. Suvardhan Kanchi, PhD, is an associate professor in the Department of Chemistry at CHRIST (Deemed to be University), Bengaluru, India. He is dedicated to the field of chemistry, with a particular focus on nanoelectrochemistry and separation sciences. Gan G Redhi, PhD, is Professor Emeritus and former head of the Chemistry Department at Durban University of Technology, Durban, South Africa. He has published more than 100 research papers in peer-reviewed journals and his main research interests are in physical and electroanalytical chemistry.