Dr. Nandita Dasgupta is working as Assistant Professor at Department of Biotechnology, Institute of Engineering and Technology, Lucknow, India. Her areas of interest include advanced materials fabrication and its applications in medicine, food, and biomedical. She is the Associate Editor of Environmental Chemistry Letters. She has received several awards and recognitions from different national and international organizations. She is the elected fellow of the Linnean Society (London) and Bose Science Society. Dr. Shivendu Ranjan is Senior Research Associate, at the University of Johannesburg, South Africa. He is Elected Fellow of several scientific societies e.g. Indian Chemical Society, Linnean Society (London), Bose Science Society, and Indian Engineering Teachers Association. His research interests include nanomedicine, biomaterials, and toxicology. He is Associate Editor of Environmental Chemistry Letters and Editorial Board Member of severaljournals of international repute.Dr. Eric Lichtfouse is an environmental chemist working at the University of Aix-Marseille, France. He has invented carbon-13 dating. He is teaching scientific writing and communication and has published the book Scientific Writing for Impact Factors. He is the founder and Chief Editor of scientific journals and series in environmental chemistry and agriculture. He got the Analytical Chemistry Prize from the French Chemical Society, the Grand Prize of the Universities of Nancy and Metz, and a Journal Citation Award by the Essential Indicators. Dr. Bhartendu Nath Mishra is Professor and Head at Department of Biotechnology, Institute of Engineering and Technology, Lucknow, India. He has 20+ years of experience in academia and research and is also serving as Dean R&D and Industrial Research at Dr. A.P.J. Abdul Kalam Technical University, Lucknow, India. He has published many articles from the interdisciplinary domains of Biotechnology, Bioinformatics, and Bioprinting.

• Chapter 1 Nanocellulose-based Materials for Heavy Metal Removal from Wastewater.- Chapter 2 Visible-Light-Responsive Heterostructured Nanophotocatalysts for Organic Pollutants Decomposition.- Chapter 3 Conductive Polymer Nanobiosensors.- Chapter 4 Fabrication and Potential Applications of Nanoporous Membranes for Separation Processes.- Chapter 5 Nanomaterials for effective control of algal blooms in water.- Chapter 6 Nanotechnological Developments in Nanofiber-Based Membranes Used for Water Treatment Applications.- Chapter 7 Fe-based nanomaterials for removing the environmental endocrine disrupting chemicals in water: a review.- Chapter 8 Plasmonics, Vibrational Nanospectroscopy and Polymers.- Chapter 9 Phyto-Nanosensors: Advancement of Phytochemicals as an Electrochemical Platform for various Biomedical Applications.- Chapter 10 Nano-adsorbents in wastewater treatment for phosphate and nitrate removal.