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. 2021 Dec 18;12(12):1581. doi: 10.3390/mi12121581

Figure 5.

Figure 5

Results of target sDNA detection at various concentrations in a buffer solution employing a nanoribbon biosensor. Legend: sDNA concentration is C = 1.1 × 10−18 M (1); C = 1.1 × 10−17 M (2); C = 1.1 × 10−16 M (3); C = 1.1 × 10−15 M (4). The experiment was carried out in a working 1 mM PPB (pH 7.4), Vds = 0.2 V, Vg = 50 V; solution volume was 450 μL. The number of technical repetitions is three. The arrows indicate the moments of adding the target sDNA solution and the potassium-phosphate wash buffer.