1. Introduction: Nanomaterials and electrochemical sensors 2. Process manufacturing techniques for nanomaterials 3. Biological methods for preparing nanomaterials 4. Chemical methods for preparing nanomaterials 5. Toxicity of nanomaterials 6. Types of electrochemical Sensors 7. Electrochemical sensors using nanotechnology 8. Nanotechnology-based sensing methods 9. Metal oxides and their sensing application 10. Silicate and its sensing applications 11. RFID sensors based on nanomaterials 12. Electrochemical sensors a pure process for environment and energy applications 13. Biological and biomedical applications of electrochemical sensors 14. Electrochemical sensors for organic compounds 15. Electrochemical sensor for heavy metal detection 16. Electrochemical sensor for detection of nitric oxides 17. Nanomaterials-based electrochemical sensing of histamine 18. Nanostructured complexes of gold(I) in sensing 19. Analyte sensing with self-healing materials