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. Author manuscript; available in PMC: 2023 Sep 6.
Published in final edited form as: J Phys Chem Lett. 2021 Feb 25;12(8):2166–2171. doi: 10.1021/acs.jpclett.0c03570

Figure 4:

Figure 4:

A) Fluorescence spectra from Rh-6G conjugated spike protein specific DNA aptamer attached GNS in the presence of only buffer, only artificial nasal matrix and artificial nasal matrix infected with flu virus antigen (100 fg/mL). B) Fluorescence spectra from Rh-6G conjugated spike protein specific DNA aptamer attached GNS in the presence of artificial nasal matrix infected with SARS-CoV-2 spike recombinant antigen (100 fg/mL and 300 fg/mL). C) Fluorescence spectra from Rh-6G conjugated spike protein specific DNA aptamer attached GNS in the presence of artificial nasal matrix infected with pseudo baculovirus (20 virus particle/mL and 100 virus particle/mL)