Fabrication of CNT-based flexible FET biosensors functionalized with enzymes to detect typical additives in the beverage sector

Project Title: Fabrication of CNT-based flexible FET biosensors functionalized with enzymes to detect typical additives in the beverage sector

Project Description: This Ph.D. thesis project aims at fabricating carbon nanotube-based field-effect transistor (CNTFET) biosensors on flexible substrates to detect typical additives used in industrial beverages and wine. In particular, CNTFETs will be first designed and fabricated using different deposition techniques and patterning steps. Subsequently, to develop biosensors sensitive to the abovementioned analytes, selective and specific enzymes will be immobilized and used to react with the analytes. Characterization of material morphology and electrical performance will be observed on both CNTFETs and CNTFET-based biosensors. As a final goal of the project, a CNTFET biosensor array will be developed to monitor the different additives at the same time on a real-time basis. This biosensor array will help to detect all these carcinogenic additives with low detection limit, allowing broad-range employment in the field of food quality monitoring in the beverage sectors.

Fabrication Steps of Transistor Based Biosensors

For more information please contact Sarwar Inam and Dr. Luisa Petti.