Ram K. Gupta is Associate Professor of Chemistry at Pittsburg State University. Dr. Gupta’s research focuses on green energy production and storage using conducting polymers and composites, electrocatalysts for fuel cells, nanomaterials, optoelectronics and photovoltaics devices, organic-inorganic hetero-junctions for sensors, nanomagnetism, bio-based polymers, bio-compatible nanofibers for tissue regeneration, scaffold and antibacterial applications, and bio-degradable metallic implants. Dr. Gupta has published over 200 peer-reviewed articles, given over 275 national/international/ regional presentations, chaired many sessions at national/international meetings, wrote several book chapters, and received over two million dollars for research and educational activities from external agencies. He serves as Associate Editor, Guest Editor, and editorial board member for various journals. Ajay Kumar Mishra (MSc, MPhil, Ph.D., FRSC) is Professor of Chemistry at the Nanotechnology and Water Sustainability Research Unit at the College of Science, Engineering & Technology at the University of South Africa. He also holds an adjunct professorship at Jiangsu University, China. His research interests include the synthesis of multifunctional nanomaterials, including polymers, carbon nanomaterials, composite materials, and wastewater research. Prof. Mishra has authored and edited numerous peer-reviewed scientific international journal articles and books in this subject area.