J. G. Manjunatha, PhD, is an Assistant Professor of Chemistry at Field Marshal K.M. Cariappa College. He has published 13 books and special journal issues, and over 160 research articles in reputed international journals. His research interests include electrochemistry, supercapacitors, and biosensors. Chaudhery Mustansar Hussain, PhD, is an adjunct professor and Director of Laboratories in the Department of Chemistry and Environmental Sciences at the New Jersey Institute of Technology. He is the author of numerous papers in peer-reviewed journals, as well as the author and editor of over 150 books. His research is focused on the applications of nanotechnology and advanced materials, environmental management, and analytical chemistry.