Nisar Ali is an Associate Professor in the Department of Basic and Applied Sciences, College of Applied and Health Sciences, A’Sharqiyah University, Oman. His research interest includes polymer/biopolymer hybrids and assembly materials, magnetic composite nanostructures, surface functionalization, wettability, and wastewater remediation. Muhammad Bilal is working as an Associate Professor at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland. Previously, he served as an assistant/associate Professor at Poznan University of Technology, Poland, and the School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China. He earned his Ph.D. from Shanghai Jiao Tong University, specializing in bioengineering and applied biotechnology. His main research activities are oriented to Environmental biotechnology, nanotechnology, enzyme engineering, immobilization, chemical modifications, and industrial applications of microbial enzymes, liquid, and solid waste management. He has authored over 700 peer-reviewed articles, 150 book chapters, 25 edited books. Dr. Bilal is the associate editor of Frontiers in Chemical Engineering and Frontiers in Environmental Science (Frontiers), and an editorial board member for several journals. He was listed as a highly cited researcher (Clarivate) in 2021 and holds several "highly cited papers" in WOS. Adnan Khan earned his Ph.D. in Inorganic Chemistry from the Institute of Chemistry University of Campinas, Sao Paulo-Brazil (UNICAMP) in 2011. His main areas of interest includes adsorption, catalysis, biopolymers, and molecularly imprinted polymers. He is currently wroks as an Associate Professor at the Institute of Chemical Sciences, University of Peshawar. Dr. Adnan has more than 75 publications to his name in international peer-reviewed journals, including co-editor of books, author book chapters, review papers, and conference papers that are either published or in progress. Tuan Anh Nguyen is a Senior Principal Research Scientist at the Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam. He received a BS in physics from Hanoi University in 1992, a BS in economics from Hanoi National Economics University in 1997, and a PhD in chemistry from the Paris Diderot University, France, in 2003. He was a Visiting Scientist at Seoul National University, South Korea, in 2004, and the University of Wollongong, Australia, in 2005. He then worked as a Postdoctoral Research Associate and Research Scientist at Montana State University, United States in 2006-09. In 2012 he was appointed as the Head of the Microanalysis Department at the Institute for Tropical Technology. His research areas of interest include smart sensors, smart networks, smart hospitals, smart cities, complexiverse, and digital twins. He has edited more than 74 books for Elsevier, 12 books for CRC Press, 1 book for Springer, 1 book for RSC, and 2 books for IGI Global. He is the Editor-in-Chief of Kenkyu Journal of Nanotechnology & Nanoscience.

• Part 1: BASICS and FUNDAMENTALS1. A preface to the chitosan-biopolymer, its origin, and properties2. Chitin and chitosan manufacturing and processing techniques3. Chitosan-based nanomaterials, multiple forms, and characterization4. Degradability of chitosan nanostructures in the natural environment5. Functional properties of chitosan-based nanomaterialPart 2: Emerging applications OF CHITOSAN-BASED NANOMATERIALS6. Chitosan-based nanomaterials in decontamination of industrial products7. Chitosan-based nanomaterials in decontamination of pharmaceutical products 8. Chitosan-based nanomaterials in decontamination of heavy metals9. Chitosan-based nanomaterials in decontamination of inorganic species10. Chitosan-based nanomaterials in decontamination of organic dyes11. Chitosan-based nanomaterials in decontamination of pesticides12. Chitosan-based nanomaterials in decontamination of hydrocarbons13. Chitosan-based nanomaterials in decontamination of phenols and biphenyls14. Chitosan-based nanomaterials in decontamination of detergents15. Chitosan-based nanomaterials in decontamination of plasticizersPart 3: CURRENT CHALLENGES AND FUTURE SCOPE16. Safety, regulations, and economic impact of chitosan nanostructures17. Eco- and toxicological impact of chitosan nanostructures18. Current status of chitosan nanostructures in the field of environmental remediation​​​​19. Challenges and Future prospects of chitosan nanostructures in environmental remediation

Nisar Ali is an Associate Professor in the Department of Basic and Applied Sciences, College of Applied and Health Sciences, A’Sharqiyah University, Oman. His research interest includes polymer/biopolymer hybrids and assembly materials, magnetic composite nanostructures, surface functionalization, wettability, and wastewater remediation. Muhammad Bilal is working as an Associate Professor at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland. Previously, he served as an assistant/associate Professor at Poznan University of Technology, Poland, and the School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China. He earned his Ph.D. from Shanghai Jiao Tong University, specializing in bioengineering and applied biotechnology. His main research activities are oriented to Environmental biotechnology, nanotechnology, enzyme engineering, immobilization, chemical modifications, and industrial applications of microbial enzymes, liquid, and solid waste management. He has authored over 700 peer-reviewed articles, 150 book chapters, 25 edited books. Dr. Bilal is the associate editor of Frontiers in Chemical Engineering and Frontiers in Environmental Science (Frontiers), and an editorial board member for several journals. He was listed as a highly cited researcher (Clarivate) in 2021 and holds several "highly cited papers" in WOS. Adnan Khan earned his Ph.D. in Inorganic Chemistry from the Institute of Chemistry University of Campinas, Sao Paulo-Brazil (UNICAMP) in 2011. His main areas of interest includes adsorption, catalysis, biopolymers, and molecularly imprinted polymers. He is currently wroks as an Associate Professor at the Institute of Chemical Sciences, University of Peshawar. Dr. Adnan has more than 75 publications to his name in international peer-reviewed journals, including co-editor of books, author book chapters, review papers, and conference papers that are either published or in progress. Tuan Anh Nguyen is a Senior Principal Research Scientist at the Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam. He received a BS in physics from Hanoi University in 1992, a BS in economics from Hanoi National Economics University in 1997, and a PhD in chemistry from the Paris Diderot University, France, in 2003. He was a Visiting Scientist at Seoul National University, South Korea, in 2004, and the University of Wollongong, Australia, in 2005. He then worked as a Postdoctoral Research Associate and Research Scientist at Montana State University, United States in 2006-09. In 2012 he was appointed as the Head of the Microanalysis Department at the Institute for Tropical Technology. His research areas of interest include smart sensors, smart networks, smart hospitals, smart cities, complexiverse, and digital twins. He has edited more than 74 books for Elsevier, 12 books for CRC Press, 1 book for Springer, 1 book for RSC, and 2 books for IGI Global. He is the Editor-in-Chief of Kenkyu Journal of Nanotechnology & Nanoscience.

• Part 1: BASICS and FUNDAMENTALS1. A preface to the chitosan-biopolymer, its origin, and properties2. Chitin and chitosan manufacturing and processing techniques3. Chitosan-based nanomaterials, multiple forms, and characterization4. Degradability of chitosan nanostructures in the natural environment5. Functional properties of chitosan-based nanomaterialPart 2: Emerging applications OF CHITOSAN-BASED NANOMATERIALS6. Chitosan-based nanomaterials in decontamination of industrial products7. Chitosan-based nanomaterials in decontamination of pharmaceutical products 8. Chitosan-based nanomaterials in decontamination of heavy metals9. Chitosan-based nanomaterials in decontamination of inorganic species10. Chitosan-based nanomaterials in decontamination of organic dyes11. Chitosan-based nanomaterials in decontamination of pesticides12. Chitosan-based nanomaterials in decontamination of hydrocarbons13. Chitosan-based nanomaterials in decontamination of phenols and biphenyls14. Chitosan-based nanomaterials in decontamination of detergents15. Chitosan-based nanomaterials in decontamination of plasticizersPart 3: CURRENT CHALLENGES AND FUTURE SCOPE16. Safety, regulations, and economic impact of chitosan nanostructures17. Eco- and toxicological impact of chitosan nanostructures18. Current status of chitosan nanostructures in the field of environmental remediation​​​​19. Challenges and Future prospects of chitosan nanostructures in environmental remediation

Nisar Ali is an Associate Professor in the Department of Basic and Applied Sciences, College of Applied and Health Sciences, A’Sharqiyah University, Oman. His research interest includes polymer/biopolymer hybrids and assembly materials, magnetic composite nanostructures, surface functionalization, wettability, and wastewater remediation. Muhammad Bilal is working as an Associate Professor at the Faculty of Civil and Environmental Engineering, Gdansk University of Technology, Poland. Previously, he served as an assistant/associate Professor at Poznan University of Technology, Poland, and the School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China. He earned his Ph.D. from Shanghai Jiao Tong University, specializing in bioengineering and applied biotechnology. His main research activities are oriented to Environmental biotechnology, nanotechnology, enzyme engineering, immobilization, chemical modifications, and industrial applications of microbial enzymes, liquid, and solid waste management. He has authored over 700 peer-reviewed articles, 150 book chapters, 25 edited books. Dr. Bilal is the associate editor of Frontiers in Chemical Engineering and Frontiers in Environmental Science (Frontiers), and an editorial board member for several journals. He was listed as a highly cited researcher (Clarivate) in 2021 and holds several "highly cited papers" in WOS. Adnan Khan earned his Ph.D. in Inorganic Chemistry from the Institute of Chemistry University of Campinas, Sao Paulo-Brazil (UNICAMP) in 2011. His main areas of interest includes adsorption, catalysis, biopolymers, and molecularly imprinted polymers. He is currently wroks as an Associate Professor at the Institute of Chemical Sciences, University of Peshawar. Dr. Adnan has more than 75 publications to his name in international peer-reviewed journals, including co-editor of books, author book chapters, review papers, and conference papers that are either published or in progress. Tuan Anh Nguyen is a Senior Principal Research Scientist at the Institute for Tropical Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam. He received a BS in physics from Hanoi University in 1992, a BS in economics from Hanoi National Economics University in 1997, and a PhD in chemistry from the Paris Diderot University, France, in 2003. He was a Visiting Scientist at Seoul National University, South Korea, in 2004, and the University of Wollongong, Australia, in 2005. He then worked as a Postdoctoral Research Associate and Research Scientist at Montana State University, United States in 2006-09. In 2012 he was appointed as the Head of the Microanalysis Department at the Institute for Tropical Technology. His research areas of interest include smart sensors, smart networks, smart hospitals, smart cities, complexiverse, and digital twins. He has edited more than 74 books for Elsevier, 12 books for CRC Press, 1 book for Springer, 1 book for RSC, and 2 books for IGI Global. He is the Editor-in-Chief of Kenkyu Journal of Nanotechnology & Nanoscience.

• Part 1: BASICS and FUNDAMENTALS1. A preface to the chitosan-biopolymer, its origin, and properties2. Chitin and chitosan manufacturing and processing techniques3. Chitosan-based nanomaterials, multiple forms, and characterization4. Degradability of chitosan nanostructures in the natural environment5. Functional properties of chitosan-based nanomaterialPart 2: Emerging applications OF CHITOSAN-BASED NANOMATERIALS6. Chitosan-based nanomaterials in decontamination of industrial products7. Chitosan-based nanomaterials in decontamination of pharmaceutical products 8. Chitosan-based nanomaterials in decontamination of heavy metals9. Chitosan-based nanomaterials in decontamination of inorganic species10. Chitosan-based nanomaterials in decontamination of organic dyes11. Chitosan-based nanomaterials in decontamination of pesticides12. Chitosan-based nanomaterials in decontamination of hydrocarbons13. Chitosan-based nanomaterials in decontamination of phenols and biphenyls14. Chitosan-based nanomaterials in decontamination of detergents15. Chitosan-based nanomaterials in decontamination of plasticizersPart 3: CURRENT CHALLENGES AND FUTURE SCOPE16. Safety, regulations, and economic impact of chitosan nanostructures17. Eco- and toxicological impact of chitosan nanostructures18. Current status of chitosan nanostructures in the field of environmental remediation​​​​19. Challenges and Future prospects of chitosan nanostructures in environmental remediation