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. 2022 Dec 5;12(12):1125. doi: 10.3390/bios12121125

Figure 4.

Figure 4

Results of OLED−FLISA (DABNA−OLED) for sensing antibodies to SARS-CoV-2. Each sample was measured three times. (a) Fluorescence intensity of samples tested with 1:80 dilution of human serum under the DABNA−OLED excitation. (b) SNR of samples tested with 1:80 dilution of human serum under the DABNA−OLED excitation. (c) Fluorescence intensity of samples tested with 1:160 dilution of human serum under the DABNA−OLED excitation. (d) SNR of samples tested with 1:160 dilution of human serum under the DABNA−OLED excitation. The error in the fluorescence intensity is shown in (b,d), but is hard to see because it is small compared to the overall fluorescence intensity.