Md Saquib Hasnain (Ph.D) is currently working as the Professor and Dean, Department of Pharmaceutical Technology, School of Health and Medical Sciences, Barasat, Kolkata, West Bengal, India. He has over 13 years of research experience in the field of drug delivery and pharmaceutical formulation analyses, especially systematic development and characterization of diverse nanostructured drug delivery systems, controlled release drug delivery systems, bioenhanced drug delivery systems, nanomaterials and nanocomposites employing Quality by Design approaches and many more. Till date he has authored over 100 publications in various high impact peer-reviewed journals, more than 100 book chapters and 30 books to his credit. He is also serving as the reviewer of several prestigious journals. Overall, he has earned a highly impressive publishing and cited record. He has also participated and presented his research work at over ten conferences in India, and abroad. He was also a member of scientific societies i.e., Royal Society of Chemistry, Great Britain, International Association of Environmental and Analytical Chemistry, Switzerland and Swiss Chemical Society, Switzerland. Amit Kumar Nayak (M. Pharm, Ph.D) is currently working as Professor at School of Pharmaceutical Sciences,Siksha ‘O' Anusandhan (Deemed to be University), Odisha, India. He has earned his PhD from IFTM University, Moradabad, Uttar Pradesh, India. He has over 14 years of research experiences in the field of pharmaceutics, especially in the development and characterization of novel biopolymeric and nanostructured drug delivery systems. Till date, he has authored more than 138 research and review publications in various high-impact peer-reviewed journals and 135 book chapters. He has edited/authored 23 international books to his credit. Dr. Nayak has presented his research work at several conferences. He has received University Foundation Day Research Award, 2019 and 2022 by Biju Patnaik University of Technology, Odisha. Dr. Nayak is a life member of the Association of Pharmaceutical Teachers of India (APTI) and a registered pharmacist.Prof. Tejraj M. Aminabhavi is Director of Research at the Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, India, and Diamond Jubilee Professor for Life at Karnatak University. He is also an Honorary Professor at Macquarie University, Australia. He received his PhD from the University of Texas, Austin, USA. His research interests include polymer science, membrane technologies, environmental remediation, energy materials, and sustainable materials development.

• 1. Biosensor materials: An introductionRaju Ratan Wadekar, Azim Ansari, Jineet Kumar Gawad, Pradip Bawane,Mohd Usman Mohd Siddique, Vahid Reza Askari, Rustem R. Zairov,Tejraj M. Aminabhavi, Md Saquib Hasnain, and Amit Kumar Nayak2. Inorganic components used in biosensorassembliesKarla G. Martinez Robinson3. Biopolymers used in biosensor assembliesVahid Reza Askari, Sahar Darbani Keshik, Mohammad Mahdi Dabbaghi, Mohammad Saleh Fadaei, and Vafa Baradaran Rahimi4. Polymeric nanoparticles used in biosensorsBikash Ranjan Jena, Rasmita Dash, and Haragouri Mishra5. Cellulose-based biosensorsCarmen-Alice Teaca, Ioana-Alexandra Duceac, Fulga Tanasa, and Marioara Nechifor6. Metallic nanoparticles used in biosensorsMohammad Harun-Ur-Rashid and Abu Bin Imran7. Silver nanoparticles based biosensors: Techniques and trendsNibedita Nath, Subhendu Chakroborty, and Namrata Pradhan8. Magnetic nanoparticles used in biosensorsAnkita Parmanik and Anindya Bose9. Gold nanoparticles used in biosensorsJisha Babu, D.S. Sheny, Soumya Sasikumar, and K.R. Ajish10. Iron and iron oxide nanoparticles used in biosensorsKumar Kashyap Hazarika and Gitashree Darabdhara11. Zinc and zinc oxide nanoparticles used in biosensorsBiswajeet Acharya, Srikanta Moharana, Amulyaratna Behera, and Tungabidya Maharana12. Carbon nanostructures used in biosensorsVahid Reza Askari, Rozhan Safaei, Hesan Soleimani Roudi, Kimiya Saffarian, Adeleh Moniripour, Sahar Darbani Keshik, Mohammad Saleh Fadaei, and Vafa Baradaran Rahimi13. Carbon dots in biosensorsH. Muktha, R. Sharath, K.J. Chandini, and Anuradha N. Gangapur14. Graphene-based biosensorSora Yasri and Viroj Wiwanitkit15. Silica-based nanoparticles in biosensorsKalyani Eswar, Dokkari Nagalaxmi Yadav, and Aravind Kumar Rengan16. Metallo-organic frameworks as biosensorsAnirudh S., Kashmira Harpale, Praveen Kumar B., and Shweta Jagtap17. Nanocomposites used in biosensorsGomathi Sivakumar, Anashwara Babu, and Samarendra Maji18. Electrospun nanofibers used in biosensorsMahmoud H. Abu Elella, Eman Abobakr Ali, Marwa Y. Abdel Tawwab, and Heba M. Abdallah19. Thin layers for biosensor applicationsMahmoud H. Abu Elella, Shaimaa Elyamny, Laila Saad, and Moshera Samy20. Laser-induced graphene (LIG): Fabrication, challenges, and opportunitiesMadhusudan B. Kulkarni, Narasimha H. Ayachit, Tejraj M. Aminabhavi, Amit Kumar Nayak, and Md Saquib Hasnain21. Microneedle used in biosensingVahid Reza Askari, Vahid Tayebi-Khorrami, Negin Sabbaghzade, Mohammad Reza Fadaei, and Vafa Baradaran Rahimi22. Bioconjugate materials used in biosensorsKarla G. Martinez Robinson23. Biological cellular structures used in biosensorsShuvam Sar, Arun Baidya, Ankit Kumar, Saptapadi Saha, Tanmoy Banerjee, Amit Kumar Halder, and Nilanjan Ghosh24. Nucleic acids used in biosensor applications for biomarker detectionSatakshi Hazra, Sourav Sarkar, Manashjit Gogoi, and Sanjukta Patra25. Lipid-based materials used in biosensorsChandra Lekha Putta, Rounik Karmakar, and Aravind Kumar Rengan26. Nanotechnology-based liquid crystals used in biosensorsHazal Ezgi Gultekin and Merve Karpuz27. Electrochemical materials used in biosensorsVy Anh Tran, Thu-Thao Thi Vo, and Giang N.L. Vo28. Electromagnetic materials used in biosensorsBajarang Bali Lal Srivastava and Marwa Emmanuel29. Ultrasound-assisted biosensorsSohrab Nikazar