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Screen-Printed Graphene/Carbon Electrodes on Paper Substrates as Impedance Sensors for Detection of Coronavirus in Nasopharyngeal Fluid Samples

Diagnostics (Basel). 2021-06; 
Muhammad Ali Ehsan, Safyan Akram Khan, Abdul Rehman
Products/Services Used Details Operation
Protein Reagents and Products … Germany). SARS-CoV-2 spike protein (RBD) (cat no.: Z03483-100; Z03483-1) and SARS-CoV-2 spike S1 IgG antibody (cat no.: A02038-1) were purchased from GenScript Inc., (Piscataway, NJ, USA). Influenza A antigen (N1H1) (no … Get A Quote

摘要

Severe acute respiratory syndrome (SARS-CoV-2), the causative agent of the global pandemic, which has resulted in more than one million deaths with tens of millions reported cases, requires a fast, accurate, and portable testing mechanism operable in the field environment. Electrochemical sensors, based on paper substrates with portable electrochemical devices, can prove an excellent alternative in mitigating the economic and public health effects of the disease. Herein, we present an impedance biosensor for the detection of the SARS-CoV-2 spike protein utilizing the IgG anti-SARS-CoV-2 spike antibody. This label-free platform utilizing screen-printed electrodes works on the principle of redox reaction impedanc... More

关键词

COVID-19 antibodies, Graphene/Carbon, SARS-CoV-2, electrochemical sensors