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. Biosensors: History and Classifications2. Fundamentals Of Biosensing3. Biosensor-Signal Transducers4. Chemical Biosensors5. Temperature Biosensors6. Electrical Biosensors7. Electrochemical Biosensors8. Piezoelectrical Biosensors9. Mechanical Biosensors10. Wearable Biosensors11. Amperometric Biosensors12. Optical Biosensors13. Fluorescence-Based Biosensors14. Chemiluminescence-Based Biosensors15. Magnetoelectric-Based Biosensors16. Calorimetric Biosensors17. Nanobiosensors18. Enzymatic Biosensors19. Glucose Biosensors20. Immunosensors21. Microbial Biosensors22. Bacteriophase-Based Biosensors23. Antibody-Based Biosensors24. Aptasensors25. RNA-Based Biosensors26. cDNA Based Biosensors27. Genosensors28. Microfluidic Biosensors29. Surface Plasmon Resonance Biosensors30. Hydrogel-Based Biosensors31. Biomems-Based Biosensors32. Current Challenges and Future Prospects of Biosensors