Alice Romagnoli, Mattia D'Agostino, Eleonora Pavoni, Chiara Ardiccioni, Stefano Motta, Paolo Crippa, Giorgio Biagetti, Valentina Notarstefano, Jesmina Rexha, Nunzio Perta, Simone Barocci, Brianna K Costabile, Gabriele Colasurdo, Sara Caucci, Davide Mencarelli, Claudio Turchetti, Marco Farina, Luca Pierantoni, Anna La Teana, Richard Al Hadi, Francesco Cicconardi, Mauro Chinappi, Emiliano Trucchi, Filippo Mancia, Stefano Menzo, Blasco Morozzo Della Rocca, Ilda D'Annessa, Daniele Di Marino
Reliable point-of-care (POC) rapid tests are crucial to detect infection and contain the spread of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). The emergence of several variants of concern (VOC) can reduce binding affinity to diagnostic antibodies, limiting the efficacy of the currently adopted tests, while showing unaltered or increased affinity for the host receptor, angiotensin converting enzyme 2 (ACE2). We present a graphene field-effect transistor (gFET) biosensor design, which exploits the Spike-ACE2 interaction, the crucial step for SARS-CoV-2 infection...
February 2023: Nano Today