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. 2021 Aug 24;21(20):22758–22766. doi: 10.1109/JSEN.2021.3107736

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Fig. 6. — Normalized absorbance response obtained from U-bent GOF sensor probes immobilized with anti-SARS CoV-2 IgG1 and * goat anti-HIgG due to specific and non-specific binding (NSB) of anti-SARS CoV-2 N-protein IgG2-AuNP labels with at varying concentrations (n = 3), respectively. A (C) refers to the average absorbance response obtained from the control experiments for NSB, while A (T) refers to the absorbance response obtained from each of the analyte concentrations (specific or non-specific).