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. 2018 Jul 27;8(3):72. doi: 10.3390/bios8030072

Figure 5.

Figure 5

Typical ΔIds(t) dependencies obtained upon detection of oDVA in buffer using (h-k)-SOI-NW sensors with immobilized oDNA probes. Experimental conditions: 1 mM potassium phosphate buffer (pH 7.4), Vg = −50 V, Vd = −0.2) V, total volume of solution in the cell 450 μL. Final concentrations of target oDVA in the measuring cell were 3.3 × 10−17 M (curve 1), 3.3 × 10−16 M (curve 2), 3.3 × 10−15 M (curve 3), 3.3 × 10−14 M (curve 4). Arrows indicate the addition of target oDNA solution (CS) and wash with buffer.