Ravindra Kumar Gautam is a Raja Jwala Prasad postdoctoral fellow in the Department of Chemistry at BHU Varanasi, India. He has authored and co-authored 52 research and review papers, 22 book chapters, and three books. He is a Fellow of the Indian Chemical Society and has been a Life Member of the Indian Science Congress Association since 2013. He also serves as a reviewer for more than 30 journals. His areas of interest include electrochemical sensors, heavy metal pollution, adsorption of nanomaterials, and their analogues for water and wastewater remediation.

Subhash Chandra is an Assistant Professor in the Department of Chemistry at B.S.N.V. (KKV) P.G. College, Lucknow, India. He received his PhD from IIT BHU Varanasi, and his research interests include environmental nanotechnology and sensors for biomedical and environmental applications. He has published more than 18 peer-reviewed research articles and four book chapters. He has been awarded by different organizations.

Radha Rani is an Associate Professor in the Department of Biotechnology at Motilal Nehru National Institute of Technology, Prayagraj, India. She has a PhD in Microbiology from CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nagpur India, and has been teaching for over 15 years. Dr. Radha has published 30 research papers, 10 book chapters, and has edited five conference proceedings. She is also actively involved as a reviewer of more than 20 journals.