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