Table of Contents
Sensors, Volume 20, Issue 20 (October-2 2020) – 241 articles
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Cover Story (view full-size image) The development of a rapid and point-of-care diagnostic sensor for SARS-CoV-2 screening is [...] Read more. The development of a rapid and point-of-care diagnostic sensor for SARS-CoV-2 screening is important for controlling the disease spread. Here, we report a rapid, cost-effective, and simple cobalt-functionalized TiO2 nanotube (Co-TNT)-based electrochemical sensor, which detects the S-RBD of spike glycoprotein present on the surface of SARS-CoV-2 virus. The sensor is able to detect S-RBD protein in a very short time of ~30 sec, with a detection limit as low as 0.7nM. We envisage that the detection of S-RBD protein by the Co-TNT sensor is due to the formation of a complex between Co and the protein. We believe that the developed Co-TNT sensor has the potential to detect SARS-CoV-2 in clinical samples, including nasal, nasopharyngeal swabs, and saliva. View this paper.