Biofunctionalization of Graphene-Based FET Sensors through Heterobifunctional Nanoscaffolds: Technology Validation toward Rapid COVID-19 Diagnostics and Monitoring
Publication year: 2022
Authors: Piccinini E. *, Fenoy G.E. , Cantillo A.L. , Allegretto J.A. , Scotto J. , Piccinini J.M. , Marmisollé W.A. , Azzaroni O. *
Published in: Advanced Materials Interfaces, 2102526
The biofunctionalization of graphene field-effect transistors (GFETs) through vinylsulfonated-polyethyleneimine nanoscaffold is presented for enhanced biosensing of severe acute respiratory-related coronavirus 2 (SARS-CoV-2) spike protein and human ferritin, two targets of great importance for the rapid diagnostic and monitoring of individuals with COVID-19. The heterobifunctional nanoscaffold enables covalent immobilization of binding proteins and antifouling polymers while…