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Investigation of binding affinity between nucleocapsid protein (N protein) of SARS-CoV and SARS-CoV double-stranded DNA (dsDNA) genome using transistors. (a) Schematics of the N protein sensor, (b) plan-view photography of the sensor and (c) real-time detection of the N protein from 0.003 nM to 3000 nM at constant bias of 350 mV. Figures modified from Ref. [2] and used with permission.
