1. Electrochemical sensors and biosensors: Concepts and principles 2. Electrochemical sensors and biosensors: Commercial applications, manufacturing and marketing3. Electrochemical biosensors: Immunosensors devices4. Electrochemical biosensors: Enzymatic devices5. Electrochemical biosensors: Genosensors and aptasensors6. Electrochemical sensors and biosensors: Biomimetic receptors7. Electrochemical sensors and biosensors for Intra- and extracellular sensing8. Nanoenzyme-based electrochemical sensors and biosensors9. Energy-Based Electrochemical sensors and biosensors10. Electrochemical sensors and biosensors: Food and Environmental applications11. Electrochemical sensors and biosensors: Wearable devices12. Electrochemical sensors and biosensors: Paper-based devices13. Electrochemical sensors and biosensors: Electronic sniffers14. Electrochemical sensors and biosensors: Statistics and data processing15. Electrochemical sensors and biosensors: Electrochemiluminescence devices16. Electrochemical sensors and biosensors: Bipolar devices17. Self-power-based Electrochemical Detection