![Introduction : Organic Electro Chemical Transistors (OECT) ,[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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polymer transistors and microfluidic devices for biosensor applications
- 1. Polymer based transistors & microfluidic devices for biosensor applications Senaka Krishna Kanakamedala Advisor : Dr. Mark A DeCoster 1 Louisiana Tech University, Ruston, LA, USA
- 3. Electrode materials : Gold, silver and platinum
- 4. Channel: Conducting polymers
- 5. Electrolyte solution for electrochemical reactionsGate (G) Electrolyte Source (S) Drain (D) Polymer channel 2
- 7. OECT on Glass (left) & Polyester sheet (right) 4 Fabricated Transistors
- 8. Film Thickness = 200 nm 5 Surface roughness of the patterned film Fig: AFM image of the PEDOT:PSS film
- 9. Transistors Characteristics 6 Vds = Drain voltage, Ids = Drain current, and Vgs = Gate voltage
- 11. IC = Drain current after adding glucose (concentration of interest) 7
- 13. Glutamate Release from Tumor Cells 9
- 15. Gold electrodes are separated by a narrow channel
- 16. Channel length = 50µm4.5 mm 4.6 mm
- 17. 11 Outlet Inlet 1 Inlet 2 Flexible disposable micromixer Fig: Solid works model of the polymer micromixer (left), three layered polymer patterns constitute microchannel of the micromixer (right)
- 18. Fabricated flexible microfluidic devices 12