1. Introduction of Biological and Chemical Threat Agents. Semra Akgönüllü, Handan Yavuz, Adil Denizli2. The Key Concepts of Plasmonic Nanosensors. Aykut Arif Topçu, Merve Asena Özbek, Gaye Ezgi Yılmaz, and Adil Denizli3. Plasmonic Nanosensors for Biological and Chemical Threat Agents Detection. Yeşeren Saylan, Semra Akgönüllü, Adil Denizli4. Synthetic Biology Applications for Biosensing of Biological and Chemical Threats. Abdurahman Atilla, Ece Avcı, Nazlıcan Tunç, Doğuş Akboğa, Urartu Şeker5. Microfluidic-Based Plasmonic Nanosensors for Biological and Chemical Threats. Özgecan Erdem, Eylul Gulsen Yilmaz, Beyza Nur Küçük, Fatih Inci, Yeşeren Saylan6. Surface-Enhanced Raman Spectroscopy-Based Plasmonic Nanosensors for the Detection of Threats. Najma Memon7. Surface Plasmon Resonance Nanosensors for Sensing of Bacterial Threats. Neslihan Idil, Sevgi Aslıyüce, Bo Mattiasson8. Plasmonic Nanosensors for Real-time Detection of Nerve Agents. Monireh Bakhshpour-Yucel, Ali Araz, Sinem Diken-Gur, Nese Lortlar Unlu, Bilgen Osman9. Flurometric Sensing of Chemical Threat Agents via Plasmonic Nanoparticles. Huma Shaikh, Abbas Aziz, Tufail Hussain Sherazi10. The Application of Molecular Imprinting-Based Plasmonic Nanosensor Platforms for the Sensing of Chemical and Biological Threats.Rüstem Keçili and Adil Denizli11. Detection of Chemical and Biological Threat Agents Using Nanomaterials-Based Plasmonic Nanosensors. Süleyman Aşır, Deniz Türkmen, Mamajan Ovezova, Ilgım Göktürk, Gaye Ezgi Yılmaz, Fatma Yılmaz12. Plasmonic Sensors Based on Molecularly Imprinted Polymers for Detection of Biological and Chemical Threats. Cem Esen and Francesco Canfarotta13. Explosive Detection Using Plasmonic Nanosensors. D.Çimen, S. Aslıyüce, M. Çalışır, M. Erkek, N. Bereli14. COVID-19 Detection with Plasmonic Nanosensors. Serhat Ünal, Yeşeren Saylan, Özge Altıntaş, Seçkin Kılıç, Adil Denizli15. Other Analytical Methods for Detection of Biological and Chemical Threats. Simge Balaban Hanoglu, Nursima Ucar, and Suna Timur